00:46Production of Retrovirus and Transduction of MEFs
05:01Immunostaining of Reprogrammed MEFs
06:44Results: Over-expression of GHMT2m and Inhibition of TGF-β Signaling Increases the Reprogramming Efficiency of MEFs into Functional Cardiomyocytes
Here we present a robust method to reprogram primary embryonic fibroblasts into functional cardiomyocytes through overexpression of GATA4, Hand2, Mef2c, Tbx5, miR-1, and miR-133 (GHMT2m) alongside inhibition of TGF-β signaling. Our protocol generates beating cardiomyocytes as early as 7 days post-transduction with up to 60% efficiency.