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    To generate new beta cells after birth is a key focus of regenerative medicine, which could greatly aid the major health burden of diabetes. Beta-cell regeneration has been described using four different approaches: (1) the development of beta cells from putative precursor cells of the adult pancreas, which is termed neogenesis, (2) replication of existing beta cells, (3) differentiation from embryonic or induced pluripotent stem cells, and (4) reprogramming of non-beta cells to beta cells. Studies from the authors' laboratory have shown that beta-cell reprogramming can be achieved by transduction of adult pancreatic tissues with viral constructs containing the three developmentally important transcription factors Pdx1, Ngn3, and MafA. This protocol outlines the generation of a polycistronic construct containing the three transcription factors, the expansion and purification of the polycistronic virus, and in vivo transduction for acinar to beta-cell reprogramming in adult mice. The ultimate goal is to generate beta-like cells that resemble as closely as possible endogenous beta cells in phenotype and function for potential translational applications. © 2017 by John Wiley & Sons, Inc. Copyright © 2017 John Wiley & Sons, Inc.


    C Cavelti-Weder, A Zumsteg, W Li, Q Zhou. Reprogramming of Pancreatic Acinar Cells to Functional Beta Cells by In Vivo Transduction of a Polycistronic Construct Containing Pdx1, Ngn3, MafA in Mice. Current protocols in stem cell biology. 2017 Feb 02;40:4A.10.1-4A.10.12

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    PMID: 28152182

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