Acute stress damages stem cells that control hair and skin colour, a study suggests.
, from the Universities of Sao Paulo and Harvard, believed the effects were linked to melanocyte stem cells, which produce melanin and are responsible for hair and skin colour."We now know for sure that stress is responsible for this specific change to your skin and hair, and how it works," says Prof Ya-Cieh Hsu, research author from Harvard University.
And by comparing the genes of mice in pain with other mice, they could identify the protein involved in causing damage to stem cells from stress. When this protein - cyclin-dependent kinase - was suppressed, the treatment also prevented a change in the colour of their fur. This leaves the door open for scientists to help delay the onset of grey hair by targeting CDK with a drug."Our discovery, made in mice, is only the beginning of a long journey to finding an intervention for people.Related Topics
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