• Hematology
• Molecular Medicine
• Cancer Biology

1. Senate honours for conducting high-quality research and publishing in the year 2022 in international indexed journal- University of Kelaniya Sri Lanka
2. Senate honours for conducting high-quality research and publishing in the year 2021 in international indexed journal- University of Kelaniya Sri Lanka
3. Senate honours for conducting high-quality research and publishing in the year 2020 in international indexed journal- University of Kelaniya Sri Lanka
4. Best oral presentation for Anti-Oxidant and Anti-proliferative activity of Triphala at 10th International Research Conference at General Sir John Kotelawala Defense University

1. Yasara J.W.N and Mettananda S. Genetic modifiers of β-thalassemia and their therapeutic implications
   Book title: Fetal Hemoglobin: The Panacea for Major β-Hemoglobinopathies Publisher: Nova Science Publishers, New York, USA (ISBN: 978-1-53617-955-2)

1. Fejzo M , Rocha N , Cimino I , Lockhart S, Petry C, Kay R, Burling K, Barker P, George A, Yasara N et al., GDF15 linked to maternal risk of nausea and vomiting during pregnancy. Nature (2023).
   https://doi.org/10.1038/s41586-023-06921-9
2. Badat M, Ejaz A, Hua P, Rice S, Zhang W, Hentges L, Fisher C, Denny N, Schwessinger R, Yasara N, Roy N, Issa F , Roy A, Telfer P , Hughes J, Mettananda S, Higgs D and Davies J
   Direct correction of haemoglobin E/β- thalassaemia using base editors. Nature communication 19;14(1):2238
   https://doi.org/10.1038/s41467-023-37604-8  
3. Karusheva Y, Petry CJ, Yasara N, Kottahachchi D, Premawardhena A, Barker P, Burling K, Sattar N, Welsh P, Mettananda S, O'Rahilly S
   Association of GDF15 levels with body mass index and endocrine status in β‐thalassaemia. Clinical Endocrinology, 99: 182-189 (2023),
   https://doi.org/10.1111/cen.14897
4. Yasara N, Wickramarathne N, Mettananda C, Silva I, Hameed N, Attanayaka K, Rodrigo R, Wickramasinghe N, Perera L, Manamperi A, Premawardhena A, Mettananda S
   A randomised double-blind placebo-controlled clinical trial of oral hydroxyurea for transfusion- dependent β-thalassaemia. Scientific Reports 12(1), 2752 (2022). https://doi.org/10.1038/s41598-022-06774-8 
5. Yasara N, Premawardhena A, Mettanand
   A comprehensive review of hydroxyurea for β-haemoglobinopathies: the role revisited during COVID-19 pandemic Orphanet Journal of Rare Disease, 16(1), 114 (2021) https://doi.org/10.1186/s13023-021-01757-w
6. Yasara N, Wickramarathne N, Mettananda C, Manamperi A, Premawardhena A, Mettanand S. Efficacy and safety of oral hydroxyurea in transfusion dependent beta-thalassaemia: a protocol for randomized double-blind controlled clinical trial,BMJ open 2020 e041958
   https://doi:10.1136/bmjopen-2020-041958
7. Mettananda S, Yasara N, Fisher C.A, Taylor S, Gibbons R, Higgs D. Synergistic silencing of α-globin and induction of γ-globin by histone deacetylase inhibitor, vorinostat as a potential therapy for β-thalassaemia
   Scientific Reports, 9(1), 11649 (2019)
    https://doi:10.1038/s41598-019-48204-2  
8. Rathnasiri A, Rathnayaka H, Yasara N, Mettananda S Electronic screen device usage and screen time among  preschool children in a suburban area of   Sri Lanka, BMC pediatrics, 22(1),390(2022)
   https://doi.org/10.1186/s12887-022-03452-6

1. Niriella, M.A., Venkateswaran, S., Rajindrajith, S., Kodisinghe, K., De Silva, A.P., De Silva, H.J., Yasara, N., Mettananda, , Pelia, R.S., Gettler, K. and Cutler, D.J. Su1563: GWAS of inflammatory bowel disease in a Sri Lankan population revealed distinct and shared IBD allele architecture. Gastroenterology, 162(7), S-631.
2. Yasara N, Wickramarathne N, Silva I, Hameed N, Attanayaka M.K.R, Jayasinghe V.L, Gunathilaka PACK, Wickramasinghe N, Rodrigo R, Perera L, Perera PS ,Mettananda KCD, Manamperi A, Premawardhena A, Mettananda S (2021). Hydroxyurea for transfusion dependent beta-thalassaemia: a randomized double-blind placebo-controlled clinical trial
   134^th anniversary international medical congress, Sri Lanka Medical Association (SLMA)
3. Yasara N, Premawardhena A, Perera P, Manamperi A and Mettananda S (2021) Efficacy of hydroxyurea in reducing the erythropoietic stress of ineffective erythropoiesis in transfusion dependent beta thalassaemia: a randomised, double-blind placebo-controlled clinical trial 77^th annual sessions of Sri Lanka Association for the Advancement of Science
4. Yasara N, Manamperi A and Mettananda S (2021) In vitro study to identify effects of fetal haemoglobin inducing agents on primary human erythroid 77^th annual sessions of Sri Lanka Association for the Advancement of Science
5. Yasara N, Manamperi A and Mettananda S (2021), In vitro study to identify effects of fetal haemoglobin inducing agents on primary human erythroid cells of beta-thalassaemia major 14^th International Research Conference at General Sir John Kotelawala Defense University.
6. Yasara N and Soysa P (2021). Lactate dehydrogenase (LDH) enzyme assay in cytotoxicity testing and interferences caused by Triphala 3^rd Conference -College of Biochemists of Sri Lanka
7. Rubasinghe D, Yasara N, Mettananda S (2021). Knowledge and practices on continuation of breast feeding and weaning among mothers of infants aged between 6 to 12 months in Kalutara district of Sri Lanka 134^th anniversary international medical congress, Sri Lanka Medical Association (SLMA)
8. Rathnasiri B.A.M, Rathnayaka H, Yasara N, Mettananda S (2021), use of electronic devices and screen time of pre-school children in homagama medical officer of health area. 133^rd anniversary international medical congress, Sri Lanka Medical Association (SLMA)
9. Yasara N, Wickramarathne N, Silva I, Hameed N, Attanayaka M.K.R, Jayasinghe V.L, Wickramasinghe N, Rodrigo R, Perera L, Mettananda KCD, Manamperi A, Premawardhena A, Mettananda S (2020). Efficacy and safety of oral hydroxyurea in patients with transfusion dependent β-thalassaemia: a randomized double-blind placebo-controlled clinical trial- 133^rd anniversary international medical congress, Sri Lanka Medical Association (SLMA)
10. Yasara W.N., Soysa P (2017). Anti-Oxidant and Anti-proliferative activity of Triphala 10^th International Research Conference at General Sir John Kotelawala Defense University
11. Yasara J.W.N., Soysa P (2018). Cytotoxicity and apoptosis inducing ability of Triphala Annual Research Symposium of Faculty of Medicine, University of Colombo

Pre-print publication

1. Fejzo M , Rocha N , Cimino I , Lockhart S, Petry C, Kay R, Burling K, Barker P, George A, Yasara N et al., Fetally encoded GDF15 and maternal GDF15 sensitivity are major determinants of nausea and vomiting in human pregnancy [Preprint]. doi:10.1101/2023.06.02.542661.

• Convener of the Foundation Module batch 36

• Teaching
• Supervision
• Research