Texas Tech University

Nutritional Sciences

Nutrigenomics, Inflammation and Obesity Research Lab (NIOR)

Nishan Sudheera Kalupahana, MBBS, Ph.D.

Nishan Sudheera Kalupahana, Ph.D., is a visiting Associate Professor in the Nutritional Sciences Department at Texas Tech University. He is a Senior Lecturer in the Department of Physiology, Faculty of Medicine, University of Peradeniya, Sri Lanka and also functions as the Deputy Director of the International Research Center at University of Peradeniya, Sri Lanka. He received his MBBS (Bachelor of Medicine and Surgery) and MPhil (Master of Philosophy) degrees from the University of Peradeniya in Sri Lanka and the Ph.D. degree in Nutritional Sciences from the University of Tennessee, Knoxville, Tennessee, USA in 2011. He later completed a postdoc in immunology at St. Jude Children's Research Hospital, Memphis, Tennessee, USA.

Nishan's research focuses on identifying mechanisms responsible for obesity-associated metabolic derangements, such as Type-2 diabetes with a view of developing preventive and treatment strategies for these conditions. He is specifically interested in ethnic differences in body mass index (BMI)-associated chronic disease risk, obesity and immune function, nutrient-gene interactions, adipose tissue biology and lifestyle modification.

He has co-authored 21 peer-reviewed articles in journals including PNAS, Obesity Reviews, Molecular Aspects of Medicine, Obesity and the Journal of Nutrition. He has also co-authored 5 book chapters. He has received many research awards including the World Obesity Federation (formerly IASO) International Journal of Obesity New Faculty Award (Basic Science), 2014 and an American Heart Association pre-doctoral fellowship in 2010. He is a member of the American Society for Nutrition and the World Obesity Federation. He functions as a reviewer for the Medical Research Council, UK and for several journals including Molecular and Cellular Endocrinology, American Journal of Physiology (Endocrinology and Metabolism), Obesity and Journal of Nutritional Biochemistry.


Nutritional Sciences