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Promotion of the induction of cell pluripotency through metabolic remodeling by thyroid hormone triiodothyronine-activated PI3K/AKT signal pathway

Paper ID Volume ID Publish Year Pages File Format Full-Text
6763 516 2012 10 PDF Available
Title
Promotion of the induction of cell pluripotency through metabolic remodeling by thyroid hormone triiodothyronine-activated PI3K/AKT signal pathway
Abstract

Generation of induced pluripotent stem cells (iPSCs) from somatic cells by defined factors is a mechanism-unknown, yet extremely time-consuming process. Inefficient reprogramming leads to prolonged periods of in vitro iPSC selection, resulting in subtle genetic and epigenetic abnormalities. To facilitate pluripotent reprogramming, we have identified the thyroid hormone triiodothyronine (T3) as an endogenous factor that can enhance reprogramming of human dermal fibroblasts (HDF) and umbilical cord mesenchymal stem cells (UCMSC). This potentiation of iPSC induction is associated with metabolic remodeling activity, including upregulation of key glycolytic genes, an increase in cell proliferation, and the induction of mesenchymal–epithelial transition (MET). We further identify the activation of the PI3K/AKT signal pathway by T3 as an underlying mechanism for the enhanced conversion to cell pluripotency in this model. These studies demonstrate that T3 enhances metabolic remodeling of donor cells in potentiating cell reprogramming.

Keywords
T3; PI3K/AKT signal pathway; Induced pluripotent stem cell; iPSC; Reprogramming; Metabolic remodeling
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Promotion of the induction of cell pluripotency through metabolic remodeling by thyroid hormone triiodothyronine-activated PI3K/AKT signal pathway
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 33, Issue 22, August 2012, Pages 5514–5523
Authors
, , , , , , , , , , , , , , , , , ,
Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
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Price after discount Only $4.95
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