Twin copies of a gene pair up in embryonic stem cells at a critical moment in their differentiation

Team finds that both copies of the Oct4 gene physically come together just as embryonic stem cells begin to develop into tissue-specific cell types Cold Spring Harbor, NY -- Imagine a pair of twins that everyone believed to be estranged, who turn out to be closer than anyone knew. A genetic version of this heartwarming tale might be taking place in our cells.

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