Expression data from E15.5 mouse embryos

The pancreatic beta cells are the only cells that can produce insulin in response to prevailing glycemia. The development of beta cells was found to be depending on the activity of a complex genetic network. Overexpression of transcriptional factor MafK in beta cells have resulted in impairment of thier functions and suppressed insulin secretion and increased the severity of beta cell loss resulting in an overt diabetes.

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Abdellatif AM, Oishi H, Itagaki T, Jung Y, Shawki HH, Okita Y, Hasegawa Y, Suzuki H, El-Morsy SE, El-Sayed MA, Shoaib MB, Sugiyama F, Takahashi S