Adult stem cells carry their own baggage: Epigenetics guides stem cell fate

Adult stem cells and progenitor cells may not come with a clean genetic slate after all. That's because a new report in the FASEB Journal shows that adult stem or progenitor cells have their own unique "epigenetic signatures," which change once a cell differentiates. This is important because epigenetic changes do not affect the actual make up in a cell's DNA, but rather, how that DNA functions. Epigenetic changes have been shown to play a role in a wide range of diseases, including obesity, and have been shown to be heritable from mother to child.

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