Padmanaban utilizes functional metabolic studies to understand obesity, type 2 diabetes mellitus, and gestational diabetes mellitus and their pathogenesis in the Indian population. His current work includes the study of weight loss intervention on beta-cell function recovery. He is trained in utilizing statistical genetics to understand the role of genetics in complex disorders and is currently working on elucidating the genetic architecture of body fat distribution. He is also experienced in performing secondary data analysis on survey data to draw public health-relevant interpretations.
Publications
1. Lontchi-Yimagou E, Dasgupta R, Anoop S, et al. An Atypical Form of Diabetes Among Individuals With Low BMI. Diabetes Care. Published online May 6, 2022:dc211957. doi:10.2337/dc21-1957
2. Venkatesan P, Tiwari A, Dasgupta R, et al. Surrogate measures of insulin sensitivity when compared to euglycemic hyperinsulinemic clamp studies in Asian Indian men without diabetes. J Diabetes Complicat. 2016;30(2):287-291. doi:10.1016/j.jdiacomp.2015.11.024
3. Venkatesan P, Ramasamy J, Vanitha S, Jacob M, Varghese J. Impaired pancreatic beta-cell function after a single dose of oral iron: A before-and-after (pre-post) study. J Hum Nutr Diet. 2023;36(3):1111-1120. doi:10.1111/jhn.13074
4. Venkatesan P, Varghese J, Arthi TS, et al. Evidence of dysregulated iron homeostasis in newly diagnosed diabetics, but not in pre-diabetics. Journal of Diabetes and its Complications. 2021;35(9):107977. doi:10.1016/j.jdiacomp.2021.107977
5. Vasudevan A, Venkatesan P. Association of organ iron levels with type 2 diabetes mellitus and glycemic traits: A bidirectional two-sample Mendelian randomization study. Journal of Trace Elements in Medicine and Biology. 2025;87:127586. doi:10.1016/j.jtemb.2024.127586
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