Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.
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July 1992 in “Clinics in Dermatology” Vitamin D helps regulate calcium levels in the body.
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January 1994 in “Yakubutsu dōtai” Finasteride has different absorption and metabolism in male and female rats, with higher concentrations in certain organs and mostly excreted through feces.
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January 2013 in “genesis” Zfp157 is active in many mouse tissues during development and in specific adult cells.
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June 1979 in “Proceedings of the National Academy of Sciences” Keratins provide structural strength in epithelial cells and help identify cell origins.