Scientists Find That Estrogen Promotes Blood-Forming Stem Cell Function

Scientists have known for years that stem cells in male and female sexual organs are regulated differently by their respective hormones. In a surprising discovery, researchers at the Children's Medical Center Research Institute at UT Southwestern (CRI) and Baylor College of Medicine have found that stem cells in the blood-forming system -- which is similar in both sexes -- also are regulated differently by hormones, with estrogen proving to be an especially prolific promoter of stem cell self-renewal.

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