3 years ago

Testosterone improves the differentiation efficiency of insulin-producing cells from human induced pluripotent stem cells

Dajiang Qin, Fan Yang, Yan Chen, Aynisahan Ruzi, Kecheng Xu, Tingcai Pan, Yin-xiong Li, Jialiang Li, Tiancheng Zhou, Dongsheng Guo, Haikun Liu

by Haikun Liu, Dongsheng Guo, Aynisahan Ruzi, Yan Chen, Tingcai Pan, Fan Yang, Jialiang Li, Kecheng Xu, Tiancheng Zhou, Dajiang Qin, Yin-xiong Li

Human induced pluripotent stem cells (hiPSCs) may provide potential resource for regenerative medicine research, including generation of insulin-producing cells for diabetes research and insulin production. Testosterone (T) is an androgen hormone which promotes protein synthesis and improves the management of type 2 diabetes in clinical studies. Concurrently, co-existed hyperandrogenism and hyperinsulinism is frequently observed in polycystic ovary syndrome, congenital adrenal hyperplasia and some of Wermer's syndrome. However, the relationship among androgens, insulin and the differentiation of pancreatic β cells is still not fully clear. Here we find that T improves the differentiation efficiency of insulin-producing cells from hiPSCs. The addition of T into routine differentiation formula for pancreatic β cells increases the differentiation efficiency from 12% to 35%. The administration of T promotes the expression of key genes associated with β cells differentiation including NGN3, NEUROD1 and INS. This finding benefits the ongoing process to optimize the differentiation protocol of pancreatic β cells from hiPSCs, and provides some degree of understanding the clinical management of T for type 2 diabetes.

Publisher URL: http://journals.plos.org/plosone/article

DOI: 10.1371/journal.pone.0179353

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