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Details

Personal Details

 Emeritus Professor. Vidya Jyothi Rohan W. Jayasekara

Biography

  

Positions 

 

 

Position

Address

From

To

Emeritus Professor of Anatomy

Faculty of Medicine, University of Colombo

January 2016 

present

 Dean 

Faculty of Medicine, University of Colombo

August  2011 

 August 2014

 Chair & Senior Professor of Anatomy

Department of Anatomy, Faculty of Medicine, University of Colombo

March 2008 

 September 2015

 Chair & Professor of Anatomy

Department of Anatomy, Faculty of Medicine, University of Colombo

March 2000 

March 2008

 Head of Department

Department of Anatomy, Faculty of Medicine, University of Colombo

Sept. 1995 

Dec. 2002

Founder Director

Department of Anatomy, Faculty of Medicine, University of Colombo

 August 1983 

 August 2014

 Medical Geneticist

Department of Anatomy, Faculty of Medicine, University of Colombo 

 August 1983 

 September 2015

Adjunct Associate Professor

College of Medicine, University of South Alabama, U.S.A. 

 February  1995

 July 1995

Associate Professor

Department of Anatomy, Faculty of Medicine, University of Colombo

April 1991  

 March 2000

Senior Lecturer

 Department of Anatomy, Faculty of Medicine, University of Colombo

 April 1981 

 April 1991

Lecturer

Department of Anatomy, Faculty of Medicine, University of Colombo

 January 1974 

 April 1981

Education & Training

Degrees, Diplomas etc.

Date Conferred

Results(give Class or Grade)

M.B.B.S.

1967 – 1972 

 

 Ph.D

 1977 - 1980  

 

Fellow      

2002 

 

C.Biol., MSB[London] 

1985

 

 Fellow       

 2014

 

 Fellow       

 2014

 

Honors, Awards and Grants

 

 

Honors

 

Awards 

 

  1. Commonwealth Tropical Medicine Research Award Department of Human Genetics, University of Newcastle upon Tyne. U.K. April 1977 - April 1980.
  2. Commonwealth Senior Medical Fellowship - Human Genetics Guys Hospital. London, University of Cambridge.  University of Newcastle upon Tyne (U.K.)July - September 1989.
  3. University Postgraduate Research Grant University of Newcastle upon Tyne (U.K.) May 1980 - July 1980. 
  4. Represented the UK at NATO Advanced Study Institute Methodologies for Analysis of Human Growth and Development, Urbino, Italy. May - June 1979. 
  5. W.H.O. Fellowship - Human Genetics National University of Singapore, Mahidol University,Thailand, University of Malaysia,University of Jakarta. Indonesia. August - October 1983.
  6. W.H.O. Fellowship - Human Genetics Department of Medical Genetics, University of South Alabama. U.S.A. July - September 1986.
  7. W.H.O. Visiting Scientist Grant - Human Genetics Prince of Wales Hospital, Sydney, Australia and University of Hong Kong. November - December 1987.
  8. W.H.O. Visiting Scientist Grant - Human Genetics National University of Singapore. July - August 1993
  9. Senior Faculty Fellowship - ECFMG (Educational Commission for Foreign Medical Graduates) U.S.A.- Medical Genetics and Anatomy University of South Alabama College of Medicine February 1 - July 31 1995
  10. Participant - Educational Commission for Foreign Medical Graduates (ECFMG), International Workshop in Active Learning Washington, U.S.A. May 1995.
 
 

SPECIAL AWARDS
National

  1. Presidential Award for research 2004, 2007 and 2012 Merit Award - 2013 
  2. Glaxo-Wellcome Research Award – 2000. Sri Lanka Medical Association For the Project "Anatomical and pathological analysis of the renal vessels".
  3. S. E. Seneviratne Prize The 119th Anniversary Scientific Sessions of the Sri Lanka Medical Association. March 22-25, 2006, Colombo,Sri Lanka. For the research paper- The prevalence of the methylenetetrahydrofolate reductease 677> polymorphism in the Sri Lankan population. Dissanayake VHW, Jayasekara RW, Senevirathne HR, Kalsheker N, Broughton Pipkin F, Morgan L.

 International

  1. The 3rd Prize for Oral presentations: The British meeting of the International Society for the Study of Hypertension in pregnancy. July 24 – 25th. 2003. Glasgow, United Kingdom. For the paper titled ‘The Urine protein heat coagulation test is a reliable screening test for proteinuria in pregnancy ”Dissanayake VHW, Morgan L, Broughton Pipkin F, Vathanan V, Premaratne S, Jayasekara RW, Seneviratne HR, 2003) The urine protein heat coagulation test is a reliable screening test for proteinuria in pregnancy. The British Meeting of the International Society for the Study of Hypertension in Pregnancy. 
  2. Price for the Best paper at the International Conference and Workshop. The basis anddiagnosis of genetic disorders. February 1-4, 2007. Chennai, India. Wetthasinghe, TK, Mallawarachchi PHR, De Saram EMNR, Perera VS, Dissanayake VHW, Jayasekara RW. (2007) Chromosomal abnormalities in Sri Lankan women with primary amenorrhoea. ICOGEN‘07, International Conference and Workshop on Genetics: The basis and diagnosis of genetic disorders. February 14, 2007. Chennai, India. (Abstracted in the proceedings of ICOGEN ‘07, 51)
  3. Prize for one of the “outstanding poster presentations” at the International conference on Frontiers in Molecular Life Sciences. September 16 -18, 2009. Colombo, Sri Lanka. Wettasinghe TK,Jayasekara RW, Dissanayake VHW. Absence of Y chromosome microdeletions in a Chort of Male Partners from Couples with Spontaneous Recurrent Pregnancy loss. International conference on Frontiers in Molecular Life Sciences. September 16 -18, 2009.Colombo, Sri Lanka. (Abstracted in the Proceedings of the Conference:35).
  4. Prize for one of the “outstanding poster presentations” at the International conference on Frontiers in Molecular Life Sciences. September 16 -18, 2009. Colombo, Sri Lanka.Samaranayake TN, Jameel Mr, Gajasinghe SVD, Fernando DS, Jayasekara RW, Dissanayake VHW. Polymorphisms in the Tumour Necrosis Factor Genes and Susceptibility to Cutaneous Leishmaniasis in the Sri Lankan Population. International Conference on Frontiers in Molecular Life Sciences. September 16 -18, 2009. Colombo, Sri Lanka. (Abstracted in the Proceedings of the Conference:42)
  5. The creation of the web site of the Human Genetics Unit - "Genetic Disorders and Birth Defects Sri Lanka Collection" (http://infolanka.com/org/genetics) The site was created by Prof. Rohan Jayasekara (Content development) and Dr. Vajira H. W. Dissanayake(Web site design and publishing).
 

The website has won the following awards:

  • StudyWeb Academic Excellence Award in the Genetics Category ~ awarded in January 1998 by StudyWEB.com USA. CHERUBS' Angel Award ~ For helping to raise birth defects awareness and for helping to fight the war against birth defects, awarded on 26/3/1999, by CHERUBS - The Association of Congenital Diaphragmatic Hernia Research, Advocacy, and Support.

Grants

 

  1. National Research Council [NRC] Grants 2005 – Grant No 05-15, Rs 3,799,980/-For the study of “Inherited factors in pre-eclampsia and weight of babies at birth: Investigations on the role of the Epidermal Growth Factor (EGF) Gene.With Co-investigator
  2. Human Genetic Unit,National Science Foundation [NSF] Grants 2004 Grant No.SIDA/2004/BT/01Rs. 2,238,000/-For the study of “The frequency of genetic thrombophilic polymorphisms in the Sri Lankan population and the association of these polymorphisms with pre-eclampsia.With Co-investigator
  3. Human Genetic Unit,National Science Foundation [NSF] Grants 2005 Grant No.RG/2005/EQ/02Rs. 998,960/-To purchase a (-80) degrees Celcius freezer for bio banking.With Co-investigator
  4. Human Genetic Unit National Science Foundation [NSF] Grants 2005 Grant No.SIDA/2005/BT/04 Rs 945,220/- For the study of “The Association of genetic thrombophilic polymorphisms with recurrent pregnancy loss”. With Co-investigator
  5. Human Genetic Unit Information Communication Technology Agency [ICTA] 2007 - Community Assistance Project Grant No. ICTA/CON/73/C034 Rs. 612,000/- To provide distance genetic consultation services using Internet to rural communities - the TELE-GENETICS PROJECT. With Co-investigator Human Genetic Unit
  6. National Science Foundation [NSF] Equipment Grant 2000 - Grant No.RG/2000/EQ/03 Rs.439,000/- Leica MZ6 Stereomicroscope with accessories
  7. Department of Anatomy National Science Foundation Research Grant 2000 - Grant No.RG/2001/M/11 Rs.227,000/- For the study of the Morphological & Morphometric Study of the Human renal vessels
  8. Department of Anatomy IRQUE project Research Grants for Staff Student Collaborative Research 2006: Grant No. – 2006-4: Rs. 150,000/-For “A study of genetic factors at the maternal-fetal interface that predisposes to adult onset cardiovascular disease, hypertension and diabetes. With Co Investigators
  9. Human Genetic Unit IRQUE project Research Grants for Staff Student Collaborative Research 2006: Grant No. – 2006-4: Rs. 150,000/- For“A study of chromosome abnormalities in male factor subfertility".  With Co Investigators
  10. Human Genetic Unit Sri Lanka Medical Association –Glaxo Welcome Research Award 2002. Rs 50,000/- For the project proposal titled ‘Does urinalysis by the heat coagulation method performed by midwives in the ward reliably predict significant proteinuria?” With Co-investigator
  11. Human Genetic Unit Sri Lanka Medical Association –Glaxo Welcome Research Award 2002. Rs 50,000/- For the project proposal titled ‘Does urinalysis by the heat coagulation method performed by midwives in the ward reliably predict significant proteinuria?” With Co-investigator Human Genetics Unit

 

Research with abstracts

 PRESENTATIONS AT SCIENTIFIC MEETINGS PUBLISHED AS ABSTRACTS

 International 

  1. Mastana SS, Jayasekara R, Papiha SS. (1993) Genetic diversity in Sri Lanka: Some implications in Paternity and Forensic testing. Advances in Forensic Haemogenetics, 15th Congress of the International Society for Forensic Haemogenetics, Venezia, Italy. October 13 – 15. (Abstracted in Proceedings).
  2. De Silva KRD, Jayasekara R, Gunasekara WSL, Silva TRN. (1997) Morphological examination of the anterior and posterior communicating arteries of the Circle of Willis in anastomosis. 4th European Association of Clinical Anatomy Congress Lille. France. Sept.11 – 15. (Abstracted in Proceedings).
  3. De Silva KRD, Jayasekara R, Gunasekara WSL, Silva TRN. (1997) The origin of the posterior cerebral artery and its supply to the memory areas of the brain. Sixth Conference on the Neurobiology of Learning and Memory.Irvine,California.U.S.A. October.21 - 24. (Abstracted in Proceedings).
  4. De Silva KRD, Jayasekara R, Gunasekara WSL, Silva TRN. (1997) Comparison of the Circle of Willis between Sri Lankan and South Indian Populations. 45th National Conference of the Anatomical Society of India. India. December 27 - 29. (Abstracted in Proceedings).
  5. De Silva KRD, Jayasekara R, Gunasekara WSL, Silva TRN. (1998) Comparison of Hypoplasia in the Vessels of the Circle of Willis between Cadaveric and Three Dimensional Time - of - flight MR Angiography. 3rd Meeting of the European Society of Neurosonology and Cerebral Haemodynamics, Glasgow, Scotland. U.K. May 24 - 26. (Abstracted in Proceedings).
  6. De Silva KRD, Jayasekara R, Gunasekara WSL, Silva TRN. (1998) Variation in Configuration in Adult Brains. Poster Review. 3rd Meeting of the European Society of Neurosonology and Cerebral Hemodynamics, Glasgow, Scotland. U.K. May 24 - 26. (Abstracted in Proceedings).
  7. De Silva KRD, Jayasekara R, Gunasekara WSL, Silva TRN. (1998) Comparison of the configuration of the circle of Willis between fetal and adult brains. Forum of European Neuroscience Berlin, Germany. June 27 - July 1. (Abstracted in Proceedings).
  8. Sumathipala A, Fernando DJS, Jayasekara R, Abeysinghe MRN, Siribaddene S, Dissanayake VHW, De Silva N. (1998) Establishing a Twin Registry in Sri Lanka. Poster Review. Ninth International Congress on Twin Studies. Helsinki. Finland. June 4-6.
  9. De Silva KRD, Jayasekara R, Gunasekara WSL Silva TRN. (1998) The variation in the “typical” Circle of Willis. Poster Review. Proceedings of the Australian Physiological and Pharmacological Society. Brisbane. Australia. September 27 - October 1. (Abstracted in Proceedings).
  10. Dissanayake VHW, Malalasekara AP, Goonewardena S, Jayasekara RW. (2000)Computer Assisted Learning in Gross Anatomy: A student viewpoint. Asia Pacific Association of Medical Informatics, Medical Informatics Conference 2000. Hong Kong SAR. September 27 – 30 
  11. Dissanayake VHW, Simpson R, Jayasekara RW. (2001) A study of attitudes towards the new genetic and assisted reproductive technologies in Sri Lanka: A preliminary report. Postgraduate Forum on Genetics and Society – Colloquium 5: Nottingham, United Kingdom. June 20-21.
  12. Dissanayake VHW, Malalasekara AP, Goonewardene S, Jayasekara RW. (2002) Computer assisted learning in Gross Anatomy: A student viewpoint. International Conference on Curriculum Change in Medical Schools.Colombo. Sri Lanka. June 30-July 3.
  13. Perera BJJF, Jayasekara R and Wanigasekera V. (2002) Anatomy in Problem Based Learning Activities. 1st Malaysian Conference on Anatomical Sciences. Malaysia. October 12 – 13.
  14. Dissanayake VHW, , Morgan L, Broughton Pipkin F, Vathanan V, Premaratne S Jayasekara RW, Seneviratne HR, (2003) The urine protein heat coagulation test is a reliable screening test for proteinuria in pregnancy. The British Meeting of the International Society for the Study of Hypertension in Pregnancy. Glasgow, United kingdom. July 24 – 25th [This paper was awarded the third prize for oral presentations] 
  15. Dissanayake VHW, Morgan L, Broughton Pipkin F, Jayasekara RW, Seneviratne HR, (2003). A study of the association between Epidermal Growth Factor (EGF) polymorphisms and pre-eclampsia. British Human Genetics Conference, York, United Kingdom. September 15 – 17. 2003. (Abstracted in Journal of Medical Genetics 2003. 40 (Suppl.1): S83 ).
  16. Dissanayake VHW, Morgan L, Broughton Pipkin F, Jayasekara RW, Seneviratne HR, (2003). A Study of the Methylenetetrahydrofolate reductase (MTHFR) C677T Polymorphism among Sri Lankans – implications for cardiovascular fitness. 6th Asian Congress of Sports Medicine, Sri Lanka. October 23 - 27.
  17. Dissanayake VHW, Morgan L, Broughton Pipkin F, Jayasekara RW, Seneviratne HR, (2004). A study of the association of Transforming Growth Factor Alpha (TGFA) polymorphisms and Pre-eclampsia. Society for Gynaecological Investigation, Houston, Texas. USA March 23 – 25. (Abstracted in Journal of Medical Genetics 2003. 40 (Suppl.1): S83).
  18. Dissanayake VHW, Morgan L, Broughton Pipkin F, Jayasekara RW, Seneviratne HR (2003) A study of the association between Epidermal Growth Factor (EGF) polymorphisms and pre-eclampsia. British Human Genetics Conference 2003. September 15-17, 2003, York, United Kingdom. (Abstracted in the Journal of Medical Genetics 2003. 40(Suppl.1): S83).
  19. Dissanayake VHW, Morgan L, Broughton Pipkin F, Jayasekara RW, Seneviratne HR. Noor Kalsheker. (2004) A study of the association of Transforming Growth Factor Alpha (TGFΑ) polymorphisms and Pre-eclampsia. The Society for Gynaecological Investigation 51st Annual Scientific Meeting, March 23-25, 2004, Houston, Texas, USA. (Abstracted in the Journal of the Society for Gynaecologic Investigation 2004,11(Suppl.1) : 257A).
  20. Dissanayake VHW, Morgan L, Broughton Pipkin F, Jayasekara RW, Seneviratne HR. (2004) A Study of the Association of the Methylene-Tetrahydrofolate Reductase 677C>T Polymorphism and Pre-eclampsia in Sinhalese Women in Sri Lanka. 14th World Congress of the International Society for the Study of Hypertension in Pregnancy, November 14-17, 2004. Vienna, Austria. (Abstracted in Hypertension in Pregnancy 2004, 23 (Suppl.1): 20).
  21. Dissanayake VHW, Morgan L, Broughton Pipkin F, Jayasekara RW, Seneviratne HR. (2004) A Study of the Association of the Angiotensinogen Haplotypes with Pre-eclampsia in Sinhalese women in Sri Lanka. 14th World Congress of the International Society for the Study of Hypertension in Pregnancy, November 14-17, 2004. Vienna, Austria. (Abstracted in Hypertension in Pregnancy 2004, 23 (Suppl.1): 81).
  22. Dissanayake VHW, Morgan L, Broughton Pipkin F, Jayasekara RW, Seneviratne HR. (2004). Severe Maternal and Fetal Morbidity and Mortality Associated Pre-eclampsia in Sinhalese Women in Sri Lanka. 14th World Congress of the International Society for the Study of Hypertension in Pregnancy, November 14-17, 2004. Vienna, Austria. (Abstracted in Hypertension in Pregnancy 2004, 23 (Suppl.1): 132).
  23. Dissanayake VHW, Morgan L, Broughton Pipkin F, Jayasekara RW, Seneviratne HR, Noor Kalsheker. (2004) The Association of Epidermal Growth Factor (EGF) Haplotypes with the Weight of Babies at Birth. 14th World Congress of the International Society for the Study of Hypertension in Pregnancy, November 14-17, 2004. Vienna, Austria. (Abstracted in Hypertension in Pregnancy 2004, 23 (Suppl.1): 81).
  24. De Silva KRD, Jayasekara R W, Gunasekara WSL, Silva TRN. (2006) Comparison of the diameter of cerebral arteries in Asian populations. 29th Japan Neuroscience Meeting. Kyoto. Japan July 19-21, 2006.
  25. Dissanayake VHW, Gammulla CG, Jayaweera SLD, Broughton Pipkin F, Morgan L, Jayasekara RW.(2006). Haplotype Analysis of the Methylenetetrahydrofolate Reductase(MTHFR) Gene in the Sri Lanka Population. 11th International Congress of Human Genetics. August 6 – 10, 2006. Brisbane. Australia.
  26. Wetthasinghe, TK, Mallawarachchi PHR, De Saram EMNR, Perera VS, Dissanayake VHW, Jayasekara RW. (2007) Chromosomal abnormalities in Sri Lankan women with primary amenorrhoea. ICOGEN ‘07, International Conference and Workshop on Genetics: The basis and diagnosis of genetic disorders. February 1-4, 2007. Chennai, India. (Abstracted in the proceedings of ICOGEN ‘07, 51) [This paper was awarded the prize for the best paper].
  27. Weerasekera LY, Goonasekara HWW, Jayasekara RW, Dissanayake VHW. (2008) A descriptive study of the prevalence of factor V (F5) 1691 G>A, prothrombin (F2) 20210G>A and methylenetetrahydrofolate reductase (MTHFR) 677C>T polymorphisms among patients with thromboembolism in the Sri Lankan population. 13th Human Genome Meeting. September 27-30, 2008. Hyderabad, India. Abstracted in the proceedings of the 13th Human Genome Meeting. 229.
  28. Dissanayake VHW, Weerasekara LY, Gammulla CG, Jayaweera SLD, Kariyawasam C, Perera B, Sandamal LYS, Broughton Pipkin F, Morgan L, Jayasekara RW. (2008) The prevalence of variant alleles of functionally significant polymorphisms in the methylenetetrahydrofolate reductase, factor V, and prothrombin genes in the Sri Lankan population. 13th Human Genome Meeting. September 27-30, 2008. Hyderabad, India. Abstracted in the proceedings of the 13th Human Genome Meeting. 117. 
  29. Samarakoon PS, Jayasekara RW, Dissanayake VHW. (2008) Sri Lankan Genome Variation Database. 13th Human Genome Meeting. September 27-30, 2008. Hyderabad, India. Abstracted in the proceedings of the 13th Human Genome Meeting. 96. 
  30. Samaranayake TN, Fernando SD, Jayasekara RW, Dissanayake VHW. (2008) Inherited Susceptibility to Cutaneous Leishmaniasis in Sri Lanka. 13th International Congress on Infectious Diseases. June 19-22, 2008. Kuala Lumpur, Malaysia. Abstracted in the International Journal of Infectious Disease, 2008,12 (suppl 1)
  31. Samaranayake TN, Fernando SD, Jayasekara RW, Dissanayake VHW.(2008) Inherited Variability in Tumour Necrosis Factor Production and Potential Susceptibility to Cutaneous Leishmaniasis in the Sri Lankan Population. 13th International Congress on Infectious Diseases. June 19-22, 2008. Kuala Lumpur, Malaysia. Abstracted in the International Journal of Infectious Disease, 2008,12 (suppl 1).
  32. Samarakoon PS, Jayasekara RW, Dissanayake VHW. Seq Annotator a DNA sequence annotation system for genomic laboratories. International Conference on Bioinformatics (InCoB). The official conference of the Asia-Pacific Bioinformatics Network (APBioNet). September 7-11, 2009. Singapore. (Abstracted in the proceedings of InCoB).
  33. Chenthuran T, Jayasekara RW, Dissanayake VHW. Association of epidermal growth factor (EGF) gene variations and pre-eclampsia. International conference on Frontiers in Molecular Life Sciences. September 16 -18, 2009. Colombo, Sri Lanka. (Abstracted in the Proceedings of the Conference:32) 
  34. Harendra GG, Jayasekara RW, Dissanayake VHW. Investigations on the role of the heparin binding epidermal growth factor (HBEGF) gene with pre-eclampsia. International conference on Frontiers in Molecular Life Sciences. September 16 -18, 2009. Colombo, Sri Lanka. (Abstracted in the Proceedings of the Conference:33)
  35. Wettasinghe TK, Jayasekara RW, Dissanayake VHW. Absence of Y chromosome microdeletions in a Cohort of Male Partners from Couples with Spontaneous Recurrent Pregnancy loss. International conference on Frontiers in Molecular Life Sciences. September 16 -18, 2009. Colombo, Sri Lanka. (Abstracted in the Proceedings of the Conference:35). [This paper was judged as one of the “outstanding poster presentations” at the conference]
  36. Gunathilake VW, Andraweera PH, Wetthasinghe TK, De Saram EMNR, Perera VS, Dissanayake VHW, Jayasekara RW. Chromosomal abnormalities in Sri Lankan women with Primary Ammenorrhoea. International conference on Frontiers in Molecular Life Sciences. September 16 -18, 2009. Colombo, Sri Lanka. (Abstracted in the Proceedings of the Conference:35)
  37. Goonasekara HWW, Sandamal LYS, Weerasekara LY, Jayasekara RW, Dissanayake VHW. A Family Series of Genetic Thrombophilic Polymorphisms in Sri Lanka. International conference on Frontiers in Molecular Life Sciences. September 16 -18, 2009. Colombo, Sri Lanka. (Abstracted in the Proceedings of the Conference:35-6)
  38. Kuruppu A, Sandamal LYS, Weerasekara LY, Goonasekara HWW, Jayasekara RW, Dissanayake VHW. A descriptive study of the prevalence of Factor V (F5) 1691G>A, Protrhombin (F2) 20210G>A and methylenetetrahydrofolate 677C>T polymorphisms among patients with thromboembolism in the Sri Lankan population. International conference on Frontiers in Molecular Life Sciences. September 16 -18, 2009. Colombo, Sri Lanka. (Abstracted in the Proceedings of the Conference:36)
  39. Samaranayake TN, Jameel Mr, Gajasinghe SVD, Fernando DS, Jayasekara RW, Dissanayake VHW. Polymorphisms in the Tumour Necrosis Factor Genes and Susceptibility to Cutaneous Leishmaniasis in the Sri Lankan Population. International conference on Frontiers in Molecular Life Sciences. September 16 -18, 2009. Colombo, Sri Lanka. (Abstracted in the Proceedings of the Conference:42) [This paper was judged as one of the “outstanding poster presentations” at the conference.]
  40. Dissanayake VHW, Fathu Mohammed, Dilum Nisansala, Jayasekara.. RW A survey on General knowledge of Genetics among Medical Students in the Faculty of Medicine, University of Colombo. Human Genome Meeting 2010. May 18-21. Montpellier, France. (Abstracted in the HUGO Journal 4(suppl 1):145.
  41. Andraweera PH, Nowak RC, Thompson SD, Dissanayake VHW, Jayasekara RW, Dekker GA, Roberts CT. Association of single nucleotide polymorphisms in cytokine genes with preeclampsia in a Sinhalese population from Sri-Lanka. 17th World Congress of the International Society for the Study of Hypertension in Pregnancy, October 03-06, 2010. Melbourne, Australia (Abstracted in Hypertension in Pregnancy 2010,1(Suppl 1):S10)
  42. Andraweera PH, Thompson SD, Dissanayake VHW, Jayasekara RW, Dekker GA, Roberts CT. Insulin like growth factor family genes and the risk of preeclampsia in a Sinhalese population from Sri-Lanka. 17th World Congress of the International Society for the Study of Hypertension in Pregnancy, October 03-06, 2010. Melbourne, Australia (Abstracted in Hypertension in Pregnancy 2010,1(Suppl 1):S10)
  43. Andraweera PH, Nowak RC, Thompson SD, Furness DL, Dissanayake VHW, Jayasekara RW, Dekker GA, Roberts CT. Single nucleotide polymorphisms in genes modulating inflammation and the risk of preeclampsia in a Sinhalese population from Sri-Lanka. 11th International Congress of Reproductive Immunology, August 15-19, 2010. Cairns, Australia (Abstracted in Journal of Reproductive Immunology 2010,86(Suppl 1):50)
  44. Andraweera PH, Furness DL, Nowak RC, Thompson SD, Dissanayake VHW, Jayasekara RW, Dekker GA, Roberts CT. Single nucleotide polymorphisms in genes regulating inflammation and the risk of Recurrent Pregnancy Loss in a Sinhalese population from Sri-Lanka. 11th International Congress of Reproductive Immunology, August 15-19, 2010. Cairns, Australia (Abstracted in Journal of Reproductive Immunology 2010,86(Suppl 1):63)
  45. Andraweera PH, Dissanayake VHW, Jayasekara RW, Dekker GA, Roberts CT. Hypoxia inducible factor -1α gene polymorphisms and the risk of preeclampsia in a Sinhalese population from Sri-Lanka. Annual Scientific Conference of the Endocrine Society of Australia, August 29-September 01, 2010. Sydney, Australia (Abstracted in the proceedings of the conference)
  46. U.N.D. Sirisena, R.W. Jayasekara, V.H.W. Dissanayake. A descriptive study of children with ambiguous genitalia in Sri Lanka. A workshop on Disorders of Sex Development: new directions and persistent doubts, October 14th – 15th 2011, Royal Hotel Carlton, Bologna – Italy. (Poster presentation) 
  47. Prabha Andraweera, Gustaaf Dekker, Steven Thompson, Ang Zhou, Denise Furness, Rachael Nowak, Jamie Zhang,Robert C., Vajira Dissanayake, Rohan Jayasekara. A Candidate Gene Association Study of Recurrent Pregnancy Loss in a Sinhalese Population from Sri Lanka. Human Genome Meeting 2012, March 11-14, 2012. Sydney, Australia. (Abstracted in the proceedings of the conference,p188.) 
  48. Prabha Andraweera, Gustaaf Dekker, Steven Thompson, Ang Zhou, Denise Furness, Rachael Nowak, Jamie Zhang,Robert C., Vajira Dissanayake, Rohan Jayasekara. A Candidate Gene Association Study of preelampsia in Sinhala women. Human Genome Meeting 2012, March 11-14, 2012. Sydney, Australia. (Abstracted in the proceedings of the conference, p194.) 
  49. U.N.D. Sirisena, K. McElreavey, A. Bashamboo, R.W. Jayasekara, V.H. Dissanayake. (2013) A novel de novo mutation in the aristaless domain of the arx gene in a sri lankan male child with acquired microcephaly, psychomotor delay and ambiguous genitalia (2013). Joint conference of Human Genome Meeting and 21st International Congress of Genetics Marina Bay Sands, Singapore, 13th to 18th April 2013. Poster No HGM2013-ICG-1411. Abstracted in the Conference Abstract book, p.159
  50. Amarasekara R, Jayasekara RW, Senanayake H, Dissanayake VHW. The detection of pathogenic bacteria present in placental tissues of women with preeclampsia using novel molecular genetics techniques. Society for Gynecology Investigations (SGI) summit, 5-8th September 2013. Istanbul, Turkey. (Top ten abstract in the SGI summit 2013, Turkey).
  51. Samaranayaka N, Fernando D, Balaji K, Jayasekara RW, Dissanayake VHW. (2013). HLA-DQ alleles as susceptibility to Cutaeneous Leishmaniasis in Sri Lanka. Joint Conference of the Human Genome Meeting 2013 and 21st International Congress of Genetics, April 12-18, 2013. Singapore. (Abstracted in the proceedings of the conference, p226.)
  52. S.R. Banstola, S.M.A. Jayawardana, A.V.L.K. Udalamaththa, H.W.S.S. Karunaratne, R.W. Jayasekara, V.H.W. Dissanayake. (2014). A case report of a Sri Lankan child with mosaic cell lines for ring chromosome 6 and monosomy 6. International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology , 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka. (Abstracted in the proceedings of the conference)
  53. P.B. Jeerasinghe, A.V.L.K. Udalamaththa, K.N.D. Weerapperuma, N Jayasinghe, R.W. Jayasekara, V.H.W. Dissanayake (2014). A case report of a child with trisomy 21 and reciprocal translocation between chromosome 1 and 18. International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology , 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka. (Abstracted in the proceedings of the conference)
  54. K.M.D. Gunathilake, U.G.I.U. Kariyawasam, S.P. Akmeemana, N.W.D. Dissanayake, R.W. Jayasekara, V.H.W. Dissanayake (2014). Hypergonadotrophic hypogonadism associated with 46,X,inv(X)(p11.2p21). International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology, 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka. (Abstracted in the proceedings of the conference)
  55. B. Gautam, U.G.I.U. Kariyawasam, P.M.G. Punchihewa, N.D.W. Dissanayake, T. Wanigasekara, R.W. Jayasekara, V.H.W. Dissanayake (2014). A paternally inherited unbalanced Chromosomal (8;11) Translocation in a Child Presenting with Dysmorphic Features and Seizures. International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology, 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka. (Abstracted in the proceedings of the conference)
  56. U.G.I.U. Kariyawasam, N.D. Sirisena, A.V.L.K. Udalamaththa, N.T. Hidellage, S. Sumanasena, R.W. Jayasekara, V.H.W. Dissanayake (2014). Two siblings presenting with dysmorphism, developmental delay and intellectual disability due to partial trisomy 8p and partial monosomy 18p resulting from a maternal balanced translocation t(8;18)(p21.3;p11.23). International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology, 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka. (Abstracted in the proceedings of the conference)
  57. U.G.I.U. Kariyawasam, A.V.L.K. Udalamaththa, H.W.S.S. Karunaratne, R.W. Jayasekara,V.H.W. Dissanayake (2014). A maternally inherited partial trisomy 1(q44qter) and partial trisomy 15(pterq22) in a child with Silver Russell phenotype. International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology, 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka. (Abstracted in the proceedings of the conference)
  58. S.M.A. Jayawardana, D. Sumathipala, P.K.D.S. Nisansala, R.W. Jayasekara, V.H.W. Dissanayake (2014). Phenotypic spectrum of Sri Lankan females with Isochromosome X. International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology, 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka. (Abstracted in the proceedings of the conference)
  59. N.D. Sirisena, A.A.G.S. Abeysekara, K.S.H. de Silva, R.W. Jayasekara, Vajira H. W. Dissanayake (2014). Clinical and genetic characterization of Androgen Receptor (AR) gene mutations in a cohort of Sri Lankan patients with 46,XY Disorders of Sex Development. International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology, 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka. (Abstracted in the proceedings of the conference)
  60. N.D. Sirisena, K. McElreavey, A. Bashamboo, K.S.H. de Silva, R.W. Jayasekara, V.H. W. Dissanayake (2014). A Child with a novel de novo mutation in the Aristaless Domain of the Aristaless-Related Homeobox (ARX) gene presenting with ambiguous genitalia. International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology, 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka. (Abstracted in the proceedings of the conference)
  61. K.N.D. Weerapperuma, B. Gautham, H.W.S.S. Karunaratne, D. Samarasinghe, R.W. Jayasekara, V.H. W. Dissanayake (2014). Child with maternally inherited pericentric inversion of chromosome 9 presenting with dysmorphism, developmental delay and multiple congenital malformations. International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology, 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka. (Abstracted in the proceedings of the conference)
  62. L.D.S. Senaratne, B. Gautham, D.S. Sumathipala, N.D. Sirisena, R.W. Jayasekera, V.H.W. Dissanayake (2014). A case series of four Sri Lankan patients with 5p deletion. International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology, 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka. (Abstracted in the proceedings of the conference)
  63. S. Kidnapillai, U.G.I.U. Kariyawasam, N.D.W. Dissanayake, R.W. Jayasekara, P.M.G. Punchihewa, V.H.W. Dissanayake (2014). Karyotype-phenotype correlation in p artial monosomy of the long arm of chromosome 13: A case report. International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology, 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka. (Abstracted in the proceedings of the conference)
  64. T.D. Wanigasekera, D. Sumathipala, U.G.I.U. Kariyawasam, A.V.L.K. Udalamaththa, L.P.C. Saman Kumara, R.W. Jayasekara, V.H.W. Dissanayake(2014). A Male Infant with Partial Monosomy of 7p21 Syndrome Associated with Craniosynostois, Craniofacial Dysmorphism and Non Communicating Hydrocephalus. International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology, 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka.
  65. A.V.L.K. Udalamaththa, U.G.I.U. Kariyawasam, P.K.D.S. Nisansala, R.W. Jayasekara, V.H.W. Dissanayake (2014). Chromosomal aetiology of 669 cases of syndromic and non-syndromic birth defects: A summary report. International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology, 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka.
  66. A.V.L.K. Udalamaththa, U.G.I.U. Kariyawasam, D.S. Sumathipala, M. De Silva, R.W. Jayasekara, V.H.W. Dissanayake (2014). Phenotype of partial trisomy of chromosome 8(p21→pter) and partial monosomy of chromosome 11(q25→qter); A case of dysmorphic features and global developmental delay. International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology, 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka.
  67. L.A.N Kulathunga, H.W.S.S Karunaratne, L.S.D Senaratne, A.V.L.K Udalamaththa, R.W. Jayasekara, V.H.W Dissanayake (2014). A ring chromosome 21 in a child with dysmorphic features. International Conference on Birth Defects, Genes, Genome and Human Malformations and Symposium on Genetic Eye Diseases in Clinical Ophthalmology, 9 – 11 February 2014, Waters Edge, Colombo, Sri Lanka.
  68. PH Andraweera, GA Dekker, SD Thompson, DL Furness, RC Nowak, A Zhou, V Zhang, VHW Dissanayake, RW Jayasekara, CT Roberts. A study of ninety eight single nucleotide polymorphisms in recurrent spontaneous miscarriage. Annual Scientific Sessions of the Australian Society for Medical Research, June 2014, Adelaide, Australia. “Awarded the best oral presentation award in reproductive health, pregnancy and child health”
  69. Nirmala D. Sirisena, Kenneth McElreavey, Anu Bashamboo, K.S.H. de Silva, Rohan W. Jayasekara, Vajira H.W. Dissanayake. Child with a Homozygous Mutation in the Treacher Collins-Franceschetti Syndrome 1 gene (TCOF1) Presenting with Ambiguous Genitalia, Cranio-facial Dysmorphism and Multiple Congenital Malformations. Selected for poster presentation at the European School of Genetic Medicine, 27th Course in Medical Genetics held at Bertinoro, Italy, May 11-15, 2014. Abstracted in the Programme & Abstract Book, p. 42-43.
  70. Jayawardana SMA, Sumathipala D, Hidellage NT, Abeysekara AAGS, Ratnayake PD, Jayasekera RW, Dissanayake VHW. Initial report of MECP2 gene mutations in three girls with Rett syndrome in Sri Lanka. 8th Annual Academic Sessions of the Association of Sri Lankan Neurologists and the 8th Annual Congress of the Asian Society Against Dementia 2014, Colombo, Sri Lanka. November 14- 16, 2014. (Abstracted in the Proceedings of the 8th Annual Academic Sessions of the Association of Sri Lankan Neurologists and the 8th Annual Congress of the Asian Society Against Dementia. p77).
  71. Senaratne LDS, Oye AM, Selmer KK, Wanigasinghe J, Sumathipala DS, Netthikumara NF, Jayasekara RW, Dissanayake VHW. Clinical evaluation and genetic study of Tuberous Sclerosis Complex in a cohort of Sri Lankan children. 8th Annual Academic Sessions of the Association of Sri Lankan Neurologists and the 8th Annual Congress of the Asian Society Against Dementia 2014, Colombo, Sri Lanka. November 14-16, 2014. (Abstracted in the Proceedings of the 8th Annual Academic Sessions of the Association of Sri Lanakan Neurologists and the 8th Annual Congress of the Asian Society Against Dementia.p33)
  72. Senaratne LDS, Oye AM, Selmer KK, Wanigasinghe J, Sumathipala DS, Jayasekara RW, Dissanayake VHW. Evaluation of infantile spasms in a cohort of Sri Lankan children with Tuberous Sclerosis Complex. 8th Annual Academic Sessions of the Association of Sri Lankan Neurologists and the 8th Annual Congress of the Asian Society Against Dementia 2014, Colombo, Sri Lanka. November 14-16, 2014. (Abstracted in the Proceedings of the 8th Annual Academic Sessions of the Association of Sri Lanakan Neurologists and the 8th Annual Congress of the Asian Society Against Dementia. p32)
      • National Meetings
  73. Jayasekara R, Soysa P. (1976) A clinical study of Down syndrome in 1975 / 76. 32nd Annual Sessions of the Sri Lanka Association for the Advancement of Science. Sri Lanka. Dec. 7 – 11, 1976. (Abstracted in Proceedings).
  74. Welihinda J, Karunanayake EH, Jayasekara R, Yasaratne SE, Peiris JB, Ulf Pettersson. (1988) The use of cloned DNA probes in the detection of carrier status of X-Linked Duchenne Muscular Dystrophy. 44th Annual Sessions of the Sri Lanka Association for the Advancement of Science. Sri Lanka. December.1988. (Abstracted in Proceedings).
  75. Welihinda J, Karunanayake EH, Jayasekara R, Peiris JB, Ulf Pettersson. (1990) Deletion screening of Sri Lankan Duchenne Muscular Dystrophy patients using the polymerase chain reaction. 46th Annual Sessions of the Sri Lanka Association for the Advancement of Science. Sri Lanka. December. 1999. (Abstracted in Proceedings).
  76. De Silva KRD, De Silva MVC, Jayasekara R, Gunasekara WSL, Silva TRN. (1997) Variation in the Circulus Arteriosus of Willis in Sri Lankan fetal brains. 53rd Annual Sessions of the Sri Lanka Association for the Advancement of Science. Sri Lanka. December 8 - 12. 1997.(Abstracted in Proceedings).
  77. Perera HTM, Chandrasekara NV, Karunanayake EH, Welihinda J, Jayasekara R. (1998) Application of a multiplex PCR system in the detection of dystrophin gene deletion in a preliminary sample of Sri Lankan patients. 54th Annual Sessions of the Sri Lanka Association for the Advancement of Science. Sri Lanka. December 14 - 19. 1998. (Abstracted in Proceedings). 
  78. Sumathipala A, De Silva N, Fernando DJS, Jayasekara R, Siribaddana S. (1999) Cross cultural adaptation and preliminary validation of a zygosity determination questionnaire for twins in Sri Lanka. 112th Anniversary Academic Sessions of the Sri Lanka Medical Association. Sri Lanka. March 24 - 28, 1999.
  79. Sumathipala A, Fernando DJS, Jayasekara R, Siribaddana S, Dissanayake VHW, De Silva N. (1999) Establishment of a twin register in Sri Lanka. Poster Review. 112th Anniversary Academic Sessions of the Sri Lanka Medical Association. Sri Lanka. March 24 - 28, 1999.
  80. Dissanayake VHW, Jayasekara R. (1999) Dissemination of medical information through the internet. 1st Academic Sessions of the Health Informatics Society of Sri Lanka. April 4, 1999.
  81. Wijesuriya SRE, Abeywickrama RP, Jayasekara R, Amarasinghe L. (1999) The course of the lateral femoral cutaneous nerve of the thigh and significance in its blockade. Annual Scientific Sessions of the Sri Lanka College of Surgeons. Sri Lanka. July 29-31,1999. 
  82. Dissanayake VHW, Samarasinghe D, Morgan L, Broughton Pipkin F, Seneviratne HR, Jayasekara RW. (2004) Severe maternal and fetal morbidity and mortality associated with pre-eclampsia in Sinhalese women in Sri Lanka. 37th Annual Scientific Sessions of the Sri Lanka College of Obstetricians and Gynaecologists. September 3 - 5, 2004. Colombo, Sri Lanka. (Abstracted in Sri Lanka Journal of Obstetrics and Gynaecology 2004. 26 (Suppl.1): 25-26)
  83. Dissanayake VHW, Samarasinghe D, Morgan L, Broughton Pipkin F, Seneviratne HR, Jayasekara RW. (2004) An analysis of the reasons for non-participation of subjects referred for recruitment for the Inherited Factors in Pre-eclampsia study (IFPE Study). 37th Annual Scientific Sessions of the Sri Lanka College of Obstetricians and Gynaecologists. September 3 - 5, 2004. Colombo, Sri Lanka. (Abstracted in Sri Lanka Journal of Obstetrics and Gynaecology 2004. 26 (Suppl.1): 28-29.)
  84. Dissanayake VHW, Jayasekara RW. (2004) Very few clinical genetic referrals in Sri Lanka originate from family physicians. Proceedings of the 30th Annual Academic Sessions of the College of General Practitioners of Sri Lanka. November 5 - 7, 2004. Colombo. Sri Lanka.
  85. DissanayakeVHW, Wickramasinghe D, Jayasekara RW. (2006). A descriptive study of prevalence and pattern of congenital heart disease among children with Down Syndrome SLMA 119th Annual Scientific Sessions. March 22 – 25, 2006. Sri Lanka.
  86. Dissanayake VHW, Perera WMDTN, Govindapala DS, Gamage R, Perera S, Jayasekara RW. (2006). An audit of the Neurogenetics Clinic at the Institute of Neurology (ION), National Hospital of Sri Lanka (NHSL) SLMA 119th Annual Scientific Sessions. March 22 – 25, 2006. Sri Lanka.
  87. Dissanayake VHW, Jayasekara RW, Senevirathne HR, Kalsheker N, Morgan L, Broughton Pipkin F. (2006). The prevalence of the methylenetetrahydrofolate reductease 677C>T polymorphism in the Sri Lankan population. SLMA 119th Annual Scientific Sessions, 22 – 25 March, 2006. Sri Lanka.
  88. Samarasinghe HD, Mayurathan K, Dissanayake VHW, Gamage R, Jayasekara RW. (2006) A Preliminary study of familial Parkinson's Disease in Sri Lanka. Proceedings of the 119th Anniversary Scientific Sessions of the Sri Lanka Medical Association. March 22 - 25, 2006. Colombo, Sri Lanka. (Abstracted in Ceylon Medical Journal 2006, 51(Suppl.1): 13).
  89. Gammulla CG, Jayawardena, N, Mallawarachchi PHR, Dissanayake VHWJayasekara RW. (2006) Prevalence of thrombophilic genetic variants in Sinhalese women with recurrent pregnancy loss: Preliminary results. Sri Lanka College of Obstetricians and Gynaecologists. 39thAnnual Scientific Sessions. October 20 – 22, 2006. Sri Lanka. (Abstracted in Sri Lanka Journal of Obstetrics and Gynaecology 2006,28(Suppl.1): 58).
  90. Wettasinghe TK, Mallawarachchi PHR, De Saram ENMR,Perera VS,DissanayakeVHW, Jayasekara RW. (2006) Chromosomal abnormalities in Sri Lankan women with primary amenorrhoea. Sri Lanka College of Obstetricians and Gynaecologists. 39thAnnual Scientific Sessions. October 20 – 22, 2006. Sri Lanka.(Abstracted in Sri Lanka Journal of Obstetrics and Gynaecology 2006;28(Suppl.1): 36-37)
  91. Dissanayake VHW, Gammulla CG, Jayaweera SLD, Broughton Pipkin F, Morgan L, Jayasekara RW. (2007) Genetic polymorphisms in the methylenetetrahydrofolate reductase, factor V and prothrombin genes in the Sri Lankan population. 120th Annual Scientific Sessions of the Sri Lanka Medical Association. March 21 - 24, 2007. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2007, 52 (Suppl.1): 44).
  92. Andraweera PH, Gammulla CG, Weerasekara LY, Dissanayake VHW, Jayasekara RW. (2007) The prevalence of thrombophilic genetic variants in patients with a history of thromboembolism. 120th Annual Scientific Sessions of the Sri Lanka Medical Association. March 21 - 24, 2007. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2007, 52 (Suppl. 1): 44)
  93. Dissanayake VHW, Kariyawasam C, Perera BM, Sandamal LYS, Weerasekera LY, Jayasekara RW. (2008) Genetic testing for the factor V gene polymorphisms – should we be testing for both Leiden and R2? 121st Annual Scientific Sessions of the Sri Lanka Medical Association. March 19 - 22, 2008. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2008, 53 (Suppl. 1): 2).
  94. Dissanayake VHW, Andraweera PH, Wetthasinghe TK, Perera VS, De Saram EMNR, Athapaththu AMMH, Opanayake DJS, Hidellage NT, Pedurupillay CRJ, Jayasekara RW. (2008) The cytogenetic profile of children with Down syndrome. 121st Annual Scientific Sessions of the Sri Lanka Medical Association. March 19 - 22, 2008. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2008, 53 (Suppl. 1): 2).
  95. Andraweera PH, Wetthasinghe TK, Dissanayake VHW, Jayasekara RW. (2008) A case series of true hermaphrodites. 121st Annual Scientific Sessions of the Sri Lanka Medical Association. March 19 - 22, 2008. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2008, 53 (Suppl. 1): 2).
  96. Dissanayake VHW, Weerasekera LY, Gammulla CG Andraweera PH, Wetthasinghe TK, , Goonasekera HWW, Jayasekara RW. (2008) Genetic thrombophilic polymorphisms and pregnancy complications. 121st Annual Scientific Sessions of the Sri Lanka Medical Association. March 19 - 22, 2008. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2008, 53 (Suppl. 1): 5)
  97. Samaranayake TN, Fernando SD, Jayasekara RW, Dissanayake VHW (2008) Inherited variability in tumour necrosis factor production and potential susceptibility to cutaneous leishmaniasis in the Sri Lankan population. 121st Annual Scientific Sessions of the Sri Lanka Medical Association. March 19 - 22, 2008. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2008, 53 (Suppl. 1): 8).
  98. Dissanayake VHW, Andraweera PH, Wetthasinghe TK, Perera VS, De Saram EMNR, Athapathu AMMH, Openayake DJS, Hidellage NT, Pedurupillay CRJ, Jayasekara RW. (2008) Cytogenetic diagnostic services in Sri Lanka 2006-2007. 121st Annual Scientific Sessions of the Sri Lanka Medical Association. March 19 - 22, 2008. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2008, 53 (Suppl. 1): 12).
  99. Dissanayake VHW, Weerasekera LY, Goonasekera HWW, Jayasekara RW. (2008) A Comparative study of genetic thrombophilic polymorphisms in children presenting with thrombosis with that of the general population. 11th Annual Scientific Congress. Sri Lanka College of Paediatricians. Kandy. June 19-22, 2008. Sri Lanka (Abstract in ISSN: 1391-2992.
  100. Wetthasinghe KT, Dissanayake VHW, Jayasekara RW. (2008) A descriptive study on role of Y chromosome microdeletion in spontaneous recurrent pregnancy loss. 41st Annual Scientific Congress. Sri Lanka College of Obstetricians & Gynaecologists. June 27-29, 2008. Sri Lanka (Abstract in Sri Lanka Journal of Obstetrics & Gynaecology. Vol 30; Supp 1, 98-99).
  101. Samarakoon PS, Jayasekara RW, Dissanayake VHW. (2008) The Sri Lankan Human Genome Variation Database. HISSL 2008 – The Scientific Sessions of the Health Informatics Society of Sri Lanka. 26 July 2008. Colombo, Sri Lanka. Abstracted in the Proceedings of HISSL 2008, 19.
  102. Dissanayake VHW, Weerasekera LY, Goonasekera HWW, Jayasekara RW. (2008) Genetic Thrombophilic Polymorphisms in Sri Lankan patients presenting with Deep Vein Thrombosis. Annual Scientific Sessions of the Sri Lanka College of Surgeons of Sri Lanka, August 28-30, 2008. Colombo, Sri Lanka. (Abstracted in the Programme and Abstracts of The College of Surgeons of Sri Lanka, 114.)
  103. Jayasekara RT, Ediriwickrama N, Dissanayake MM, Jayasekara RW, (2008) A descriptive study of the meningo-orbital foramen on adult dry skulls of a Sri Lankan population . Annual Scientific Sessions of the College of Surgeons of the Sri Lanka. August 28-30, 2008. Colombo, Sri Lanka (Abstracted in the Programme and Abstracts of The College of Surgeons of Sri Lanka, 151.)
  104. Jayasekara RT, Ediriwickrama N, Dissanayake MM, Jayasekara RW, (2008) A descriptive study of the position and variations of the supraorbital and infra orbital foramina related to gender and side. Annual Scientific Sessions of the College of Surgeons of the Sri Lanka. August 28-30, 2008. Colombo, Sri Lanka (Abstracted in the Programme and Abstracts of The College of Surgeons of Sri Lanka, 152.)
  105. Amarasooriya JDMS, Malalasekara AP, Karunaratne K, Jayasekara RW, (2008) A descriptive study of the Dimensions of the footprint and the position of attachment of the anterior cruciate ligament. Annual Scientific Sessions of the College of Surgeons of the Sri Lanka. August 28-30, 2008. Colombo, Sri Lanka (Abstracted in the Programme and Abstracts of The College of Surgeons of Sri Lanka, 159.
  106. Weerasekera LY, Goonasekera HWW, Nanayakkara HLV, Weerathunga RP, Gunasekara NCA, Dissanayake VHW, Jayasekara RW. (2008) A descriptive study of the prevalence of factor V ( F5 ) 1691 G>A, Prothrombin ( F2 ) 20210 G>A and methylenetetrahydrofolate reductase ( MTHFR ) 677 C>T polymorphisms among patients with thromboembolism in the Sri Lanka Population. 9th Annual Scientific Sessions of the Sri Lanka College of Haematologist. August 29-30, 2008. Colombo, Sri Lanka. (Abstracted in the Proceedings of the 9th Annual Academic Sessions The College of Haematologist of Sri Lanka, 29.
  107. TK Wetthasinghe, PH Andraweera, VHW Dissanayake, RW Jayasekara. (2008) Genetic Abnormalities in Women With Primary amenorrhoea and Masculine Features. 41st Annual Academic Sessions of the Sri Lanka College of Physicians. Sri Lanka October 2-4, 2008. (Abstracted in the Proceedings of the Annual Academic Sessions of the CCP, 46.)
  108. Weerasekera LY, Goonasekara HWW, Jayasekara RW, Dissanayake VHW. (2008) A descriptive study of the prevalence of factor V (F5) 1691 G>A, prothrombin (F2) 20210G>A and methylenetetrahydrofolate reductase (MTHFR) 677C>T polymorphisms among patients with thromboembolism in the Sri Lankan population. 41st Annual Academic Sessions of the Sri Lanka College of Physicians. Sri Lanka October 2-4, 2008. (Abstracted in the Proceedings of the Annual Academic Sessions of the CCP, 49.)
  109. Jayasekara RT, Dissanayake MM, Ediriwickrama, N, Jayasekara R. (2008). A descriptive study of the positions of the supraorbital and infraorbital foramina related to gender and side. 17th Annual Scientific Sessions of the College of Ophthalmologists. Sri Lanka. October 10, 2008.
  110. Chenthuran T, Jayasekara RW, Dissanayake VHW. (2009) Association of epidermal growth factor (EGF) gene variations and pre-eclampsia. 122nd Annual Scientific Sessions of the Sri Lanka Medical Association. March 18-21, 2009. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2008, 54 (supple 1):34.)
  111. Harendra GG, Jayasekara RW, Dissanayake VHW. (2009) Investigations on the role of the heparin binding epidermal growth factor (HBEGF) gene with pre-eclampsia. 122nd Annual Scientific Sessions of the Sri Lanka Medical Association. March 18-21, 2009. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2008, 54 (supple 1):34.)
  112. Niroshana GAL, Wimalachandra BCM, Ranasinghe KPNG, Balagobi B, Anthony DJ, Jayasekara RW. (2009) Where exactly is the femoral pulse felt? A cadaveric study for the surface marking of the femoral artery. Annual Scientific Sessions of the Sri Lanka College of Surgeons. Sri Lanka. August 26-29, 2009. Colombo, Sri Lanka. (Abstracted in the Programme and Abstracts of The College of Surgeons of Sri Lanka, 77.
  113. Niroshana GAL, Wimalachandra BCM, Ranasinghe KPNG, Balagobi B, Anthony DJ, Jayasekara RW. (2009) Where is the deep inguinal ring (dir)? Annual Scientific Sessions of the Sri Lanka College of Surgeons. Sri Lanka. August 26-29, 2009. Colombo, Sri Lanka (Abstracted in the Programme and Abstracts of The College of Surgeons of Sri Lanka, 147.
  114. Ranasinghe KPNG, Wimalachandra BCM, Balagobi B, Niroshana GAL, Anthony DJ, Jayasekara RW. (2009) Anatomical relations between cutaneous veins and nerves at the cubital fossa. Annual Scientific Sessions of the Sri Lanka College of Surgeons. Sri Lanka. August 26-29, 2009. Colombo, Sri Lanka (Abstracted in the Programme and Abstracts of The College of Surgeons of Sri Lanka, 149.
  115. Balagobi B, Ranasinghe KPNG, Wimalachandra BCM, Niroshana GAL, Anthony DJ, Jayasekara RW. (2009) Venous arrangement at the cubital fossa in relation to the brachial artery. Annual Scientific Sessions of the Sri Lanka College of Surgeons. Sri Lanka. August 26-29, 2009. Colombo, Sri Lanka. Poster presentation (Abstracted in the Programme and Abstracts of The College of Surgeons of Sri Lanka, 206.
  116. Wimalachandra BCM Niroshana GAL, Ranasinghe KPNG, Balagobi B, Anthony DJ, Jayasekara RW. (2009) Variations of the pubic branch of the inferior epigastric artery: An anatomical study in Sri Lankan cadavers. Annual Scientific Sessions of the Sri Lanka College of Surgeons. Sri Lanka. August 26-29, 2009. Colombo, Sri Lanka (Abstracted in the Programme and Abstracts of The College of Surgeons of Sri Lanka, 153.
  117. Wettasinghe TK, Dissanayake VHW, Jayasekara RW. AZFc partial deletions in male partners of women with spontaneous recurrent pregnancy loss in Sri Lanka. 42nd Annual Scientific Sessions of the Sri Lanka College of Obstetricians and Gynaecologists. November 13-15, 2009. Colombo, Sri Lanka. (Abstracted in the Sri Lanka Journal of Obstetrics and Gynaecology 2009,31(1): 71).
  118. Harendra GG, Jayasekara RW, Dissanayake VHW. Haplotypes of Heparin Binding Epidermal Growth Factor (HBEGF) gene is associated with weight of babies at birth among Sinhalese. 42nd Annual Scientific Sessions of the Sri Lanka College of Obstetricians and Gynaecologists. November 13-15, 2009. Colombo, Sri Lanka. (Abstracted in the Sri Lanka Journal of Obstetrics and Gynaecology 2009,31(1):73.
  119. Chenthuran T, Jayasekara RW, Dissanayake VHW. Association of variants in the Epidermal Growth Factor (EGF) gene with birth weight of babies. 42nd Annual Scientific Sessions of the Sri Lanka College of Obstetricians and Gynaecologists. November 13-15, 2009. Colombo, Sri Lanka. (Abstracted in the Sri Lanka Journal of Obstetrics and Gynaecology 2009,31(1):74).
  120. Wettasinghe TK, Dissanayake VHW, Jayasekara RW. AZFc partial deletions in male partners of women with spontaneous recurrent pregnancy loss in Sri Lanka. 42nd Annual Scientific Sessions of the Sri Lanka College of Obstetricians and Gynaecologists. November 13-15, 2009. Colombo, Sri Lanka. (Abstracted in the Sri Lanka Journal of Obstetrics and Gynaecology 2009,31(1): 71).
  121. Samaranayake TN, Fernando SD, Jayasekara RW, Dissanayake VHW. Host genetic susceptibility to cutaneous leishmaniasis in Sri Lanka. 123rd Annual Scientific Sessions of the Sri Lanka Medical Association. May 31 to June 2, 2010. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2010, 55 (supple 1):29)
  122. Hidellage NT, Goonasekera HWW, Jayasekara RW, Wijesundara WSS, Dissanayake VHW. Factor 5 Hong Kong and Cambridge mutations are absent in patients with deep vein thrombosis. 124th Annual Scientific Sessions of the Sri Lanka Medical Association. June 7 to 10, 2011. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2011, 56 (supple 1):32) 
  123. Kuruppu A, Wijewardene I, Weerasekera, LY, Goonasekara HWW, Jayasekara RW, Dissanayake VHW. The prevalence of JAK2 V677F and MTHFR 677C>T and 1298A>C variants in thrombophilia patients in Sri Lanka. 124th Annual Scientific Sessions of the Sri Lanka Medical Association. June 7 to 10, 2011. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2011, 56 (supple 1):67)
  124. Kuruppu A, Wijewardene I, Goonasekara HWW, Jayasekara RW, Dissanayake VHW. The prevalence of JAK2V617F mutation among patients referred for genetic thrombophilia screening. Annual Scientific Sessions of the Sri Lanka College of Haematologists. July 15 to 16, 2011. Colombo, Sri Lanka. (Abstracted in the Proceedings of the Conference).
  125. Dr. UND Sirisena, Prof. KHS de Silva, Prof. R.W. Jayasekara, Prof. VHW Dissanayake. (2012) Phenotypic features of a cohort of patients with 46, XY disorders of sex development (46, XY DSD) in Sri Lanka. Selected for poster presentation at the 125th Anniversary International Medical Congress, Sri Lanka Medical Association. 2nd to 6th July, 2012. Colombo, Sri Lanka. Abstracted in the Ceylon Medical Journal 2012,57 ( supple 1):92
  126. Dr. UND Sirisena, Prof. KHS de Silva, Mr. AAGS Abeysekara, Prof. RW Jayasekara, Prof. VHW Dissanayake. Clinical and Molecular genetic studies in a cohort of Sri Lankan patients with 46, XY disorders of sex development (46, XY DSD). Selected for poster presentation at the 125th Anniversary International Medical Congress, Sri Lanka Medical Association. 2nd to 6th July, 2012. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal, June 2012, 57(Supple 1), 94
  127. N Thakur, AAGS Abeysekera, J Wanigasinghe, AB Padeniya, RW Jayasekara, VHW Dissanayake. The spectrum of deletions and duplications in the dystrophin gene (DMD) in a cohort of patient in Duchenne Muscular Dystrophy (DMD) in Sri Lanka. 125th Anniversary International Medical Congress, Sri Lanka Medical Association. July 2 to 6, 2012. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2012,57 (supple 1):93).
  128. Goonasekara HWW, Kuruppu AI, Jayasekara RW, Dissanayake VHW. Hereditary Thrombophilia in a cohort of patients with thromboembolism in Sri lanka. 125th Anniversary International Medical Congress, Sri Lanka Medical Association. July 2 to 6, 2012. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2012,57 (supple 1):95).
  129. Prabha Andraweera, Gustaaf Dekker, Steven Thompson, Ang Zhou, Denise Furness, Rachael Nowak, Jamie Zhang, Vajira Dissanayake, Rohan Jayasekara. A Candidate Gene Association Study of Recurrent Pregnancy Loss in a Sinhalese Population from Sri Lanka. 125th Anniversary International Medical Congress, Sri Lanka Medical Association. July 2 to 6, 2012. Colombo, Sri Lanka.( Abstracted in the Ceylon Medical Journal 2012,57 (supple 1):93).
  130. Sumathipala WLDS, Jayasekara RW, Dissanayake VHW.A descriptive study of the pattern of hereditary neurological disorders seen in a genetic clinic in Colombo,Sri Lanka.6th Annual Scientific Sessions of the Association of Sri Lanka Neurologists. November 16 to 18,2012.Colombo,Sri Lanka.( Abstracted in the Proceedings of the Conference ,52)
  131. N Thakur, AAGS Abeysekera, J Wanigasinghe, AB Padeniya, RW Jayasekara, VHW Dissanayake. Deletions and duplications pattern in the dystrophin gene (DMD) in Sri Lanka patients with Duchenne Muscular Dystrophy. 6th Annual Scientific Sessions of the Association of Sri Lanka Neurologists. November 16 to 18,2012 Colombo, Sri Lanka.(Abstracted in the Proceedings of the Conference,56) 
  132. Sumathipala WLDS, Jayasekara RW, Dissanayake VHW.Clinical and Molecular genetic feature of Huntington’s Disease in Sri Lanka.6th Annual Scientific Sessions of the Association of Sri Lanka Neurologists. November 16 to 18,2012.Colombo,Sri Lanka.( Abstracted in the Proceedings of the Conference ,59)
  133. Sumathipala WLDS, Madushanka DBR, Abeysekara AAGS, Jayasekara RW, Tallaksen C,Dissanayake VHW. Molecular and Clinical Characterization of Autosomal Dominant Ataxia in Sri Lanka. 6th Annual Scientific Sessions of the Association of Sri Lanka Neurologists. November 16 to 18,2012.Colombo, Sri Lanka.( Abstracted in the Proceedings of the Conference ,63)
  134. Andraweera P, Jayasekara RW,sSenanayake H, Dissanayake VHW.Assosiation of Infective agents with pre-eclampsia. 45th Annual Scientific Sessions of the Sri Lanka Collage of Obstetricians and Gynecologists. October 17 to 23, 2012. Colombo, Sri Lanka. (Abstracted Lanka Journal of Obstetrics and Gynaecology, 2012;34 (Suppl1),69.)
  135. Prabha Andraweera, Gustaaf Dekker, Steven Thompson, Ang Zhou, Denise Furness, Rachael Nowak, Jamie Zhang,C Roberts, Vajira Dissanayake, Rohan Jayasekara. A Candidate gene association study of pre-eclampsia in Sinhalese woman. 125th Anniversary International Medical Congress, Sri Lanka Medical Association. July 2 to 6, 2012. Colombo, Sri Lanka.( Abstracted in the Ceylon Medical Journal 2012,57 ( Supple 1):29).
  136. Harendra GG, Jayasekara RW, Dissanayke VHW, Disruption of LyF-1 medicated transcription regulation of HBEGF expression could lead to preeclmpsia. 125th Anniversary International Medical Congress, Sri Lanka Medical Association. July 2 to 6, 2012. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2012,57 ( Supple 1):92). 
  137. Goonasekara HWW, Kuruppu AI, Wijewardene I, Jayasekara RW, Dissanayake VHW.JAK2 mutation prevalence among patients with myeloproliferative neoplasms and thrombophilia in Sri Lanka. 125th Anniversary International Medical Congress, Sri Lanka Medical Association. July 2 to 6, 2012. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2012, 57 (Supple 1):95).
  138. Amarasekara R, Jayasekara RW, Senanayake H, Dissanayake VHW. Complications associated with preeclampsia. 125th Anniversary International Medical Congress, Sri Lanka Medical Association. July 2 to 6, 2012. Colombo, Sri Lanka. (Abstracted in the Ceylon Medical Journal 2012, 57 (Supple 1):96).
  139. Amarasekara R, Jayasekara RW, Senanayake H, Dissanayake VHW. Association of Infective agents with Pre-eclampsia. 45th Annual Scientific Sessions of the Sri Lanka College of Obstetricians and Gynaecologists. October 17 to 23, 2012. Colombo, Sri Lanka. (Abstracted in Sri Lanka Journal of Obstetrics and Gynaecology, 2012; 34, 69)
  140. PB Jeerasinghe, UND Sirisena, RW Jayasekara, VHW Dissanayake. Prevalence of haemoglobin beta gene mutations in a cohort of Sri Lankan patients referred for β Thalassaemia Screening. (2014) 127th Anniversary International Medical Congress of the Sri Lanka Medical Association July 15 to 18, Bandaranaike Memorial International Conference Hall, Colombo, Sri Lanka. (Abstracted in the proceedings – P 105)
  141. IUH Godapitiya, UND Sirisena, HWW Goonasekera, PKD Nisasnala, RW Jayasekara VHW Dissanayake. Prevalence of Factor V Leiden polymorphism in Sri Lankan patients referred for Thrombophilia Screening in Sri Lanka. (2014) 127th Anniversary International Medical Congress of the Sri Lanka Medical Association July 15 to 18, Bandaranaike Memorial International Conference Hall, Colombo, Sri Lanka. (Abstracted in the proceedings – P 105)
  142. LAN Kulathunga, UND Sirisena, HWW Goonasekera, PKD Nisasnala, RW Jayasekara VHW Dissanayake. Prevalence of MTHFR 677C>T (rs1801133) gene polymorphism in patients referred for Thrombophilia Screening in Sri Lanka. (2014) 127th Anniversary International Medical Congress of the Sri Lanka Medical Association July 15 to 18, Bandaranaike Memorial International Conference Hall, Colombo, Sri Lanka. (Abstracted in the proceedings – P 106)
  143. AGPM Padeniya, AAGS Abeysekara, HWW Goonasekera, RW Jayasekara VHW Dissanayake. Haemachromatosis gene (HFE) in transfusion dependant tralassaemia: phenotype genotype relationship in a Sri Lankan population. (2014) 127th Anniversary International Medical Congress of the Sri Lanka Medical Association July 15 to 18, Bandaranaike Memorial International Conference Hall, Colombo, Sri Lanka. (Abstracted in the proceedings - P 142)
  144. KMD Gunathilake, UGIU Kariyawasam, UND Sirisena, PKD Nisasnala, HWW Goonasekera, RW Jayasekara VHW Dissanayake. Prevalence of Prothrombin G20210A mutation in a cohort of Sri Lankan patients with Thrombo-embolic disorders referred for Thtombophilia screening. (2014) 127th Anniversary International Medical Congress of the Sri Lanka Medical Association July 15 to 18, Bandaranaike Memorial International Conference Hall, Colombo, Sri Lanka. (Abstracted in the proceedings – P 142)
  145. B Gautam, ND Sirisena, NDW Dissanayake, RW Jayasekara, VHW Dissanayake. Novel breast cancer susceptibility gene (BRCA1) mutations in Sri Lankan families with hereditary breast and ovarian cancer syndrome. Selected for poster presentation and abstracted in the proceedings of the 127th Anniversary International Medical Congress of the Sri Lanka Medical Association held on 17 July 2014 at the Bandaranaike Memorial International Conference Hall, Colombo, p.144
  146. SR Banstola, ND Sirisena, DS Sumathipala, VHW Dissanayake, RW Jayasekara. Clinical and genetic features of Spinal Muscular Atrophy in Sri Lanka. Selected for poster presentation and abstracted in the proceedings of the 127th Anniversary International Medical Congress of the Sri Lanka Medical Association held on 17 July 2014 at the Bandaranaike Memorial International Conference Hall, Colombo, p.144.
  147. G.H. Galhena, V.H.W. Dissanayake, R. Jayasekara. Haplotypes of Heparin Binding Epidermal Growth Factor (HBEGF) gene and its association with birth weight of babies of Sinhalese mothers. Proceedings of the Annual Research Symposium 2014, University of Colombo, November 20th -21st 2014. P.140-141
  148. L.D.S.Senaratne, A.M.Oye, K.K.Selmer, J.Wanigasinghe, D.S.Sumathipala, R.W. Jayasekera, V.H.W. Dissanayake. Clinical evaluation and genetic study of Tuberous Sclerosis Complex in a cohort of Sri Lankan children. Proceedings of the Annual Research Symposium 2014, University of Colombo, November 20th -21st 2014. P.142
  149. T.D. Wanigasekera,U. Liyanage, V.H.W. Dissanayake, R.W. Jayasekera. A study of skeletal dysplasia in a selected cohort of Sri Lankan Patients. Proceedings of the Annual Research Symposium 2014, University of Colombo, November 20th -21st 2014. P.154
  150. U.N.D.Sirisena,K.McElreavey, A.Bashamboo, K.S.H. de Silva, R.W. Jayasekara, V.H.W. Dissanayake. Child with a novel homozygous mutation in the Treacher Collins-Franceschetti syndrome 1 (TCOF1) gene presenting with ambiguous genitalia, cranio-facial dysmorphism and multiple congenital malformations. Proceedings of the Annual Research Symposium 2014, University of Colombo, November 20th -21st 2014. P.154

Research Interests

 

Appointments

 

 

 

Appointments

 

Emeritus Professor
Member - University Council
Former Dean - Faculty of Medicine
Former Member - University Senate

 

Memberships

 

MEMBERSHIPS (Professional Societies):

  • Member/ Fellow – Royal Society of Biology, London,U.K.
  • Member - Basic Science Education Foundation (BSEF). Washington, U.S.A. 
  • Life Member & Past President - Sri Lanka Sports Medicine Association.
  • Life Member & Vice President 2013 - Sri Lanka Medical Association.
  • Life Member - Sri Lanka Association for the Advancement of Science.

Undergraduate

 

Postgraduate

 

Projects

  

Publications

 

 

Books/Book Chapter 

 
  • Hand book – Basic Medical Genetics for use of Undergraduates and Postgraduates. 65 pp . 1st published 1996. 5th Edition 2015.Co-author of a sector paper titled : Conservation of Genetic Resources in Sri Lanka. 1985. This was a section of a report on the National Conservation Strategy submitted to His Excellency the President of Sri Lanka.
  • Manual of Sports Medicine - Faculty of Medicine Sports Association . Editor 2009

BOOK REVIEWS BY INVITATION:

  1. Malnutrition, Behaviour and Social Organisation.Edited by L.S. Greene. p.p. 312. Academic Press, New York, 1977. This book was the outcome of a symposium held at the Annual Meeting of the American Association for the Advancement of Science. February 1976. It was reviewed in the Journal of Biosocial Sciences - U.K. 1980. 12. ( 2 ) : 236 - 238.
  2. The Genetics of Pain. Progress in Pain Research and Management – Volume 28. International Association for the Study of Pain. Jeffrey S. Mogil, editor, 2004. Pp 349. IASP Press. ISBN 0-931092-51-5. It was reviewed in the Ceylon Medical Journal, June. 2005


Invitation To Review Manuscripts:
Invited to review manuscripts submitted for publication to the Journal -Human Biology. 1985. This Journal was the official publication of the Human Biology Council. U.S.A.

 

Conference Paper 

 

Journal Paper 

 

International Journals

  1. Jayasekara R, Street J. (1978) Parental age and parity in Dyslexic boys. J. Biosoc. Sci.10: 255 - 261.
  2. Jayasekara R, Kristl GB, Wertelecki W. (1988) Acceptance of genetic services: A Study of Physicians in Colombo, Sri Lanka. J.Biosoc.Sci. 20: 1 – 7.
  3. Jayasekara R, Lasswell-Hoff J, Garner C, Kdristl G, Hoff C. (1988) Adolescent growth in stature among Sinhalese males: Preliminary results of a cross-sectional study. Human Biology. 60 (6): 825 - 831.
  4. Jayasekara R. (1989) The attitudes of doctors and students towards a genetic service in an Asian country: Sri Lanka. Asia Oceania J. Obstet. & Gynae. 15(3): 267 - 270.
  5. Welihinda J, Karunanayake E, Jayasekara R, Peiris JB, Ulf Pettersson, Claes Wadelius. (1993) Deletion screening of Sri Lankan Duchenne muscular dystrophy patients using the polymerase chain reaction. Annals of Tropical Paediatrics. 13: 83 - 86.
  6. Mastana SS, Jayasekara R, Fisher P, Sokol RJ, Papiha SS. (1993) Genetic Polymorphism of Orosomucoid (ORM) in populations of the United Kingdom, Indian Subcontinent and Cambodia. Japanese Journal of Human Genetics. 38: 289 - 296.
  7. Jayasekara R, Mastana SS, Papiha SS. (1994) Distribution of Group specific component (GC) and Transferrin (TF) subtypes in populations of Sri Lanka. Gene Geography. 8: 151 - 156.
  8. Papiha SS, Mastana SS Jayasekara R. (1996) Genetic Variation in Sri Lanka. Human Biology. 68 (5): 707 - 737.
  9. Papiha SS, Mastana SS, Purandare CA, Jayasekara R, Chakraborty R. (1996) Population Genetic Study of Three VNTR Loci (D2S44, D7S22, and D12S11) in Five Ethnically Defined Populations of the Indian Subcontinent. Human Biology. 68(5): 819 - 835.
  10. Sumathipala A, Fernando DJS, Siribaddana SH, Abeysingha MRN, Jayasekara R., Dissanayake VHW, De Silva N (2000) Establishing a twin register in Sri Lanka. Twin Research 3: 202-204.
  11. Dissanayake VHW, Simpson R, Jayasekara RW (2002) Attitudes towards the new genetic and assisted reproductive technologies in Sri Lanka: A preliminary report. New Genetics and Society. 21(1): 65-74.
  12. Dissanayake VHW, Morgan L, Broughton Pipkin F, Vathanan V, Premaratne S, Jayasekara RW, Seneviratne HR (2004). The urine protein heat coagulation test – a useful screening test for proteinuria in pregnancy in developing countries: A method validation study. British Journal of Obstetrics and Gynaecology 111: (5) 491-494.
  13. Simpson R, Dissanayake VHW, Jayasekara RW (2005) Contemplating choice: attitudes towards intervening in human reproduction in Sri Lanka. New Genetics and Society. 24 (1):99-117.
  14. Dissanayake VHW, Jayasekara RW, Seneviratn HR, Morgan L, Broughton Pipkin F. (2007) Morbidity and mortality associated with pre-ecalmpsia among Sinhalese women delivering in two tertiary care hospitals in Sri Lanka.) J. Obstetrics and Gynaecology Research. 33 (1): 56–62.
  15. Dissanayake VHW, Tower C, Broderick A, Stocker LJ, Seneviratne HR, Jayasekara RW, Kalsheker N, Broughton Pipkin F, Morgan L.(2007) Polymorphism in the epidermal growth factor gene is associated with birth weight in Sinhalese and white Western Europeans. Molecular Human Reproduction. 13(6):425-9.
  16. Dissanayake VHW, Giles V, Jayasekara RW, Seneviratne HR., Noor Kalsheker, Broughton Pipkin F, Morgan L. (2009). A study of three candidate genes for pre-eclampsia in a Sinhalese population from Sri Lanka. J.Obstet.Gynaecol. Res. 35(2):234-242.
  17. Dissanayake VHW, Gammulla CG, Jayaweera LSD and Jayasekara RW (2009) Prevalence of genetic thrombophilic poymorphisms in the Sri Lankan population – implications for association study design and clinical genetic testing services. Experimental and Molecular Pathology. 87 (2): 159-162.
  18. De Silva KRD, Silva TRN, Gunasekara WSL, Jayasekara R (2009). Variations in the origin of the posterior cerebral artery in adult Sri Lankans. Neurology India. 57(1) : 46-49.
  19. De Silva KRD, Silva R, Gunasekara WSL, Jayasekara RW (2009).Prevalence of typical circle of Willis and the variation in the anterior communicating artery: A study of a Sri Lankan population. Annals of the Indian Academy of Neurology.12:157-61.
  20. De Silva KRD, Silva R, De Silva C, Gunasekara WSL, Dias P, Jayasekara RW (2010).Comparison of the configuration of the posterior communicating artery between foetal and adult brains: A study of a Sri Lankan population. Annals of the Indian Academy of Neurology.13 (3):198-201.
  21. Wetthasinghe TK, Jayasekara RW, Dissanayake VHW. (2010) Y chromosome microdeletions are not associated with spontaneous recurrent pregnancy loss in a Sinhalese population in Sri Lanka. Human Reprod. 2010 Dec: 25(12) 3152-6. doi: 10.1093/humrep/deq/271 E pub 2010 Oct 31. 
  22. Dissanayake VHW, Bandarage G. Pedurupillai C, Jayasekara R. (2010) Case Report. A Sri Lankan child with 49,XXXXY. Indian Journal of Human Genetics. 16 (3) 164.
  23. Samarakoon LB, Lakmal KC, Thillainathan S, Bataduwaarachchi VR, Anthony DJ, Jayasekara RW. (2011) Anatomical relations of the superficial sensory branches of the radial nerve: a cadaveric study with clinical implications. Patient safe surgery 2011 Nov 4;5 (1):28.
  24. Dissanayake VH, Jayasinghe JD, Thilakaratne V, Jayasekara RW. (2011) A novel mutation in SLC37A4 gene in Sri Lankan boy with Glycogen Storage Disease type 1b associated with very early onset neutropenia. Journal of Molecular Genetic 2011;5;262-3.
  25. Gamage TH, Godapitiya IU, Nanayakkara S, Jayasekara RW, Dissanayake VH. (2012) A Child with mosaicism for deletion (14) (q11.2q13). Indian Journal of Human Genetics 2012 Jan; 18(1): 130-33.
  26. Harendra GG, Jayasekara RW, Dissanayake VHW, [2012] Haplotypes of heparin-bindingepidermal-growth-factor-like growth factor gene are associated with pre-eclampsia. .Journal of Obstetrics and Gynaecology Research 2012 Jan:3891:239-46. 
  27. Vajira H.W Dissanayake, Nirmala D. Sirisena, Lakshini Y. Weerasekara, Chumithri G. Gammulla, Harshalal R. Seneviratne, Rohan W. Jayasekara. (2012) Candidate gene study of genetic thrombophilic polymorphisms in pre-eclampsia and recurrent pregnancy loss in Sinhalese women. The Journal of Obstetrics and Gynaecology Research. Vol 38 (9), 1168-1176, September 2012. doi:10.1111/j.1447-0756.2012.01846.x
  28. Kalum T. Wettasinghe, Nirmala D. Sirisena, Prabha H. Andraweera, Rohan W. Jayasekara, Vajira H.W. Dissanayake. (2012) A case series of Five Sri Lankan Patients with Ovotesticular Disorder of Sex Development. Clinical Pediatric Endocrinology 2012; 21(4), 69-73
  29. Katulanda Prasad, Rajapakse Rasika D.K, Kariyawasam Jayani, Jayasekara Rohan, Dissanayake Vajira H.W. (2012) An adolescent with 48,XXYY Syndrome with hypergonadotrophic hypogonadism , attention deficit hyperactive disorder and renal malformations. The Indian Journal of Endocrinology and Metabolism 2012, 16 (5): 824-6.
  30. Sumathipala D, Gamage T, Wijesiriwardhana B, Jayasekara RW, Dissanayake VHW. (2012) An infant born to a mother with Gestational Diabetes presenting with 49, XXXXY Syndrome and Renal Agenesis – A Case Report. Journal of Clinical Research Paediatric Endocrinology. 2012 December; 4 (4): 223 – 225.
  31. Andraweera PH, Dekker GA, Dissanayake VH, Bianco – Miotto T, Jayasekara RW, Roberts CT. (2012) Vascular endothelial growth factor family gene polymorphisms in preeclampsia in Sinhalese women in Sri Lanka. Journal of Maternal Fetal Neonatal Med. 2012; doi: 10.3109/14767058.2012.743520
  32. TK. Wettasinghe, Rohan W. Jayasekara, Vajira HW Dissanayake. (2012) The low frequency of Y chromosome micro deletions in sub fertile males in a Sinhalese population of Sri Lanka. Indian Journal of Human Genetics. 2012; 18 (3) 320-325
  33. Padeniya PM, Godapitiya I, Pathirana DR, Jayasekara RW, Dissanayake VHW, [2014] A Sri Lankan child with 48,XXXX syndrome. Indian Journal of Paediatrics 2014 Feb:81[2];201-2 DOI: 10.1007/s12098-013-0995-x. Epub2013 Mar14.
  34. Lasitha Samarakoon, Nirmala D. Sirisena, Kalum T. Wettasinghe, K.W. Jayani C. Kariyawasam, Rohan W. Jayasekara, Vajira H.W. Dissanayake. (2013) Prevalence of chromosomal abnormalities in Sri Lankan women with primary amenorrhoea. Journal of Obstetrics and Gynaecology Research 2013; 39 (5), 991 – 997, May 2013. doi: 10.1111/j. 1447-0756.2012.02063.x
  35. Dulika S Sumathipala, Gayan S Abeysekera, Rohan W Jayasekara, Chantal ME Tallaksen, Vajira HW Dissanayake (2013) Autosomal dominant hereditary ataxia in Sri Lanka. BMC Neurology 2013, 13:39 doi:10.1186/1471-2377-13-39
  36. Dulika S. Sumathipala, Rohan W. Jayasekara, Vajira HW Dissanayake. (2013) Clinical and genetic features of Huntington disease in Sri Lanka. BMC Neurology 2013, 13:191
  37. Vipula Rasanga Bataduwaarachchi, Muditha Madhuwanthi Dissanayake, Sharmila Thillainathan, Rohan Waas Jayasekara. (2013) Perception of the learning strategies and the learning styles among the first year medical students: A cross sectional survey. South East Journal of Medical Education Vol. 7, no. 1, 2013
  38. Samarakoon LB, Guruge MH, Jayasekara M, Malalasekera AP, Anthony DJ, Jayasekara RW. (2014) Anatomical landmarks for safer carpal tunnel decompression: An experimental cadaveric study. Patient Safe Surgery. 2014 Feb 17;8(1):8. doi: 10.1186/1754-9493-8-8.
  39. Chenthuran T, Galhenagey GH, Jayasekara RW, Dissanayake VH (2014). Polymorphism in epidermal growth factor gene is associated with pr-eclampsia and low birth weight. J Obstet Gynaecol Res. 2014 May;40(5):1235-42. doi: 10.1111/jog.12362.
  40. PH Andraweera, GA Dekker, SD Thompson, RC Nowak, VHW Dissanayake, RW Jayasekara, CT Roberts (2014). Polymorphisms in the fibrinolytic pathway genes and the risk of recurrent miscarriage – Reproductive BioMedicine Online,2014, in Press
  41. PH Andraweera, GA Dekker, SD Thompson, VHW Dissanayake, RW Jayasekara, CT Roberts (2014). Hypoxia-Inducible factor-1α gene polymorphisms in early and late onset preeclampsia. Placenta, 2014;35:491-49
  42. N.D. Sirisena, K. McElreavey, A. Bashamboo, K.S.H. de Silva, R.W. Jayasekara, V.H.W. Dissanayake (2014). Child with a novel de novo mutation in the Aristaless Domain of the Aristaless-Related Homeobox (ARX) gene presenting with ambiguous genitalia and psychomotor delay. Sex Dev 2014;8:156–159 DOI: 10.1159/000365458
  43. KMD Gunathilake, UND Sirisena, PKD Nisansala, HWW Goonasekera, RW Jayasekara, VHW Dissanayake (2014). The prevalence of Prothrombin (F2) 20210G>A Mutation in a Cohort of Sri Lankan Patients with Thromboembolic Disorders. Indian Journal of Hematology and Blood Transfusion. DOI 10.1007/s12288-014-0452-7
  44. Ranmalee Amarasekara, Rohan W. Jayasekara, Hemantha Senanayake, Vajira HW Dissanayake (2014). The Microbiome of the placenta in pre-eclampsia supports the role of bacteria in the multifactorial cause of pre-eclampsia. Journal of Obstetrics and Gynecology Research (2014). DOI: 10.1111/jog.12619
  45. Thillainathan S, Sirisena ND, Kariyawasam KWJC, Jayasekara RW, Dissanayake VHW. Cytogenetic analysis of chromosomal abnormalities in Sri Lankan children. World Journal of Pediatrics. 2014 Nov 20. [Epub ahead of print]
  46. Sirisena ND, Thalgahagoda S, Abeyagunawardena A, Neumann M, Schmudlach, Jayasekara RW, Dissanayake VHW, [2015] Novel COL4A3 Gene Mutations in a consanguineous family with Autosomal Recessive Alport Syndrome. Nephrology 2015 Aug:20[8];580.doi; 10.1111/nep.12430.
  47. Andraweera PH, GA Dekker, RW Jayasekara, VHW Dissanayake, CT Roberts (2015). The obesity related FTO gene variant associates with the risk of recurrent miscarriage, Acta Obtetrica et Gynecologica Scandinavica 2015 Jul:94[7]:22-6.doi;10.1111/aogs.12640.Epub2015 Apr 28.
  48. Andraweera PH, Dekker GA, Jayasekara RW, Dissanayake VHW, Roberts CT (2015). Polymorphisms in the inflammatory pathway genes and the risk of preeclampsia in Sinhalese women. Journal of Maternal Fetal and Neonatal Medicine 2015 Apr. 28:1-5.
  49. Malalasekera A, Beneragama T, Kanesu S, Sahathevan V, Jayasekara R. Extra and Intramuscular Distribution of the Thoracodorsal Nerve with regard to Nerve Reconstruction Surgeries. J Reconstr Microsurg 2016; 32(05): 358-360 DOI: 10.1055/s-0036-1579541
  50. Sally Grantham-McGregor, KS Lobach, E Namisango, E Katabira, C Karamagi, P Baguma, VH Dissanayake, HD Samarasinghe, L Morgan, RW Jayasekara, HR Seneviratne, GM Molina-Salinas, A Perez-Lopez, P Becerril-Montes, R Salazar-Aranda, S Said-Fernandez, M Kamatenesi-Mugisha, H Oryem-Origa, D Wolday, H Meles, E Hailu, T Messele, Y Mengistu, JM Hussey, DD Hallfors, MW Waller, BJ Iritani, CT Halpern, M Klingberg-Allvin, Vu Van Tam, Nguyen Thu Nga, AB Ransjo-Arvidson, A Johansson (2016) Early child development in developing countries. Letter to LANCET 2007; 369 (9564):824
      • National Journals
  51. Jayasekara R. (1986) Acceptance of a genetic service in Sri Lanka: A Student Viewpoint. Ceylon J. Med.Sci. 29 (2): 67 - 73.
  52. Jayasekara R. Goonewardene S. (1987) The influence of socio-economic factors on mean age of Menarche in Sri Lanka. Ceylon Medical Journal. 32: 89 - 94.
  53. Jayasekara R. (1988) Chromosome anomalies in Sri Lanka - A cytogenetic profile. Cey J. Med. Sci. 31 (1):1 - 5.
  54. Jayasekara R, Jiffry MTM. (1990) Oral abnormalities in 45XO Turner syndrome in Sri Lanka. Sri Lanka Dental Journal. 19:36 - 39.
  55. De Mel T, Jayasekara R, Warnasuriya N. (1992) Turner Syndrome, how useful is the buccal smear test? Ceylon Medical Journal 37: 83 - 84.
  56. Jayasekara R. (1994) Factors affecting the age at Natural Menopause in Sinhalese Women. Ceylon J. Med. Sci. 37: 23 - 27.
  57. Disssanayake VHW, Jayasekara R. (1999) Pattern of use of medical information made available via an Internet web site. Ceylon Medical Journal. 44: 14-17.
  58. De Silva AP, Seneviratne SL, Gunatilake SB, Fonseka M, Jayasekara R, De Silva HJ. (1999) A family with alkaptonuria showing quasidominant inheritance. Ceylon Medical Journal 44(3):130-132.
  59. Senanayake H, De Silva MVC, Fernando MS, Jayasekara R. (2000) Female karyotype (XX) in patients with ambiguous genitalia does not guarantee the absence of intra-abdominal testes. Ceylon Medical Journal 45(2): 69-70. 
  60. Simpson B, Dissanayake VHW, Wickramasinghe D, Jayasekara RW. (2003) Prenatal testing and pregnancy termination in Sri Lanka: views of medical students and doctors. Ceylon Medical Journal; 48(4):129-132.
  61. Jayasekara RT, Ediriwickrama N, Dissanayake MM, Jayasekara R.W. (2007). A descriptive study of the positions of the supraorbital and infraorbital foramina related to gender and side. Journal of the College of Ophthalmologists of Sri Lanka. 13 (2): 84-85.
  62. Dissanayake VHW, Nisansala D, Sandamal S, Jayasekara RW.(2010) Tele-Gen Low Cost Internet Technology to Provide Genetic Consultations to Rural Areas in Sri Lanka. Sri Lanka Journal of Biomedical Informatics 2010; 1(1):46-48.
  63. Dissanayake VHW, Jayasekara RW, (2008) Cytogenetic testing in Paediatrics: Some aspects of the Sri Lankan scenario. Leading Article. Sri Lanka Journal of Paediatrics. 37: 38 – 41.
  64. Harendra GG, Jayasekara RW, Dissanayake VHW, [2011] in Silico analysis of Single Nucleotide Polymorphisms[SNPs] in the Heparin Binding EGT-like Growth Factor[HBEGF] gene and their allelic profiles in the Sri Lankan population: a comprehensive approach to priorities SNPs for candidate gene studies. Sri Lanka Journal of Biomedical Informatics 2011:2[1]:22 38.DOI:http://dx.doi.org/10.4038/sljbmi.v2i1.2861.

 

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Basic Medical Genetics, Medical Genetics, Cytogenetics, Human Growth and Development. Human Gross Anatomy, Human Microscopic Anatomy. 

 

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 Department of Anatomy, Faculty of Medicine, University of Colombo, Kynsey Road, Colombo 08, Sri Lanka  

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