Molecules that promote or enhance reprogramming of somatic cells to induced pluripotent stem cells.

Reprogramming of somatic cells to induced pluripotent stem cells (iPSCs) can be achieved by viral-mediated transduction of defined transcription factors. Moving toward the eventual goal of clinical application, it is necessary to overcome limitations such as low reprogramming efficiency and genomic alterations due to viral integration. Here, we review recent progress made in the usage of genetic factors, chemical inhibitors, and signaling molecules that can either replace core reprogramming factors or enhance reprogramming efficiency. Current iPSC studies will provide a paradigm for the combinatorial use of genetic factors and chemicals for the broader applications to alter cellular states of potency.

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