The Synergy of Two Factors on Insulin Expression.

As a potential cure for diabetes, more and more attentions have been paid to organ transplants to replace insulin therapy. As a result, many researchers have explored out many programs to get insulin-producing cells (IPCs) to replace the defective β cells. Currently, more and more new induction methods are being proposed, and at the same time, more and more possible induction molecular mechanisms are being revealed. The purpose of this study was to explore whether and how the two factors pdx-1 and myocardin affected the differentiation of rat mesenchymal stem cells (rMSCs) into IPCs. In this study, we investigated the process of transfecting myocardin and/or pdx-1 in rMSCs in vitro. The results showed that rMSCs were able to secrete insulin after cotransfected with myocardin and pdx-1. At the same time, we explored the possible mechanism that myocardin and pdx-1 coinduced rMSCs into IPCs by forming a complex to promote the transcriptional activity of insulin. Our results may provide a theoretical basis to the study of islet transplantation in the future.

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