Gray Hair Could Signal Natural Cancer Defense Mechanism

1 min read
Source: SciTechDaily
Gray Hair Could Signal Natural Cancer Defense Mechanism
Photo: SciTechDaily
TL;DR

A study reveals that melanocyte stem cells respond to DNA damage by either undergoing senescence-coupled differentiation, leading to hair graying and protecting against cancer, or bypassing this process under carcinogenic stress, which may increase melanoma risk, highlighting a link between tissue aging and cancer prevention mechanisms.

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