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Cancer Drugs Reverse Hair Graying?
16 Jun
Summary
- Immunotherapy drugs showed potential in reversing gray hair in cancer patients.
- Loss of pigment-making cells causes hair to turn gray with age.
- Reactivating stem cells may be key to restoring hair color.
Scientists are investigating whether cancer treatment drugs could offer a solution to reverse the graying of hair. Initial research in 2017 revealed that some lung cancer patients receiving immunotherapy drugs, specifically anti-PD-1 and anti-PD-L1 inhibitors, experienced a re-pigmentation of their gray hair. Researchers hypothesized this effect might indicate treatment efficacy.
Further scientific inquiry, led by individuals like Dr. Melissa Harris at the University of Alabama, is now focusing directly on how immunotherapy could address graying. Hair turns gray as pigment-producing cells (melanocytes) in follicles decrease melanin production over time. Dr. Harris suggests that reactivating these stem cells could restore hair color.
While these immunotherapy treatments have not yet been administered to human subjects for hair graying, experiments on cells and animal models have shown results consistent with the earlier findings. Although more human trials are necessary before such treatments could become available, researchers express optimism about developing effective solutions.
Currently, there are no methods to prevent age-related graying. However, mitigating factors like smoking, stress, and vitamin deficiencies may help slow the process. Researchers are closer than ever to understanding the mechanisms behind hair graying and potential reversal methods.
