Not only in DNA's hands: Epigenetics has large say in blood formation

Every day trillions of blood cells are being formed in our body: from the oxygen-carrying red blood cells to the many types of white blood cells that fight pathogens and infection. All of these highly specialized cells originate from blood stem cells -- unique cells that have the potential to mature into all blood types. How exactly is the fate of these stem cells regulated? Preliminary findings are starting to reshape the conventional understanding of the way stem cell fate decisions are controlled, thanks to a new technique for epigenetic analysis they have developed.

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