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Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Oncotarget 2017 ; 8 (44): 77041-9 Nephropedia Template TP
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Glis family proteins are differentially implicated in the cellular reprogramming of human somatic cells #MMPMID29100368
Lee SY; Noh HB; Kim HT; Lee KI; Hwang DY
Oncotarget 2017[Sep]; 8 (44): 77041-9 PMID29100368show ga
The ground-breaking discovery of the reprogramming of somatic cells into pluripotent cells, termed induced pluripotent stem cells (iPSCs), was accomplished by delivering 4 transcription factors, Oct4, Sox2, Klf4, and c-Myc, into fibroblasts. Since then, several efforts have attempted to unveil other factors that are directly implicated in or might enhance reprogramming. Importantly, a number of transcription factors are reported to retain reprogramming activity. A previous study suggested Gli-similar 1 (Glis1) as a factor that enhances the reprogramming of fibroblasts during iPSC generation. However, the implication of other Glis members, including Glis2 and Glis3 (variants 1 and 2), in cellular reprogramming remains unknown.In this study, we investigated the potential involvement of human Glis family proteins, including hGlis1-3, in cellular reprogramming. Our results demonstrate that hGlis1, which is reported to reprogram human fibroblasts, promotes the reprogramming of human adipose-derived stromal cells (hADSCs), indicating that the reprogramming activity of Glis1 is not cell type-specific. Strikingly, hGlis3 promoted the reprogramming of hADSCs as efficiently as hGlis1. On the contrary, hGlis2 showed a strong negative effect on reprogramming.Together, our results reveal clear differences in the cellular reprogramming activity among Glis family members and provide valuable insight into the development of a new reprogramming strategy using Glis family proteins.