Scientists identify wide variety of genetic splicing in embryonic stem cells

Like homing in to an elusive radio frequency in a busy city, human embryonic stem cells must sort through a seemingly endless number of options to settle on the specific genetic message, or station, that instructs them to become more-specialized cells in the body (Easy Listening, maybe, for skin cells, and Techno for neurons?). Now researchers at the Stanford University School of Medicine have shown that this tuning process is accomplished in part by restricting the number of messages, called transcripts, produced from each gene.

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