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January 1986 in “Endocrinology” Blocking a specific enzyme in male rat fetuses leads to the development of nipples and feminized genitalia.
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December 2018 in “Journal of genetic medicine” A small change in the TRPS1 gene leads to a less severe form of a syndrome affecting hair, nose, and finger development.
September 2024 in “Annals of Medicine and Surgery” Ritlecitinib is the first FDA-approved pill for treating significant hair loss in alopecia areata patients aged 12 and up.
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April 2023 in “The Lancet” Ritlecitinib effectively treats alopecia areata and is well-tolerated.
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March 2019 in “Molecular & cellular proteomics” Reductive stress messes up collagen balance and alters cell signaling in human skin cells, which could help treat certain skin diseases.
February 2024 in “Molecules/Molecules online/Molecules annual” NMN could potentially treat hair loss by reducing oxidative stress and improving cell health.
1 citations
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August 2019 in “Journal of Investigative Dermatology” PRDX5 enzyme may contribute to alopecia areata by affecting oxidative stress and autoimmunity.
February 2026 in “International Journal of Dermatology” Ritlecitinib shows promise in improving hair regrowth in adolescents with alopecia areata.
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March 2026 in “Journal of Translational Autoimmunity” This study investigates the mechanisms by which ruxolitinib, a JAK inhibitor, reverses alopecia areata (AA) in a C3H/HeJ mouse model. Over 98 days, ruxolitinib treatment led to significant hair regrowth by day 85, reduced inflammatory cytokines, decreased T-cell infiltration, and lowered STAT phosphorylation. It also attenuated local oxidative stress and keratinocyte apoptosis without affecting autophagy or systemic oxidative markers. The study concludes that ruxolitinib's efficacy in treating AA is due to a triple mechanism: inhibition of the JAK-STAT pathway, reduction of local oxidative stress and apoptosis, and disruption of the inflammatory cycle, supporting the potential for targeted topical therapies.
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March 2025 in “Journal of Clinical Medicine” Ritlecitinib effectively treats alopecia areata with manageable side effects.
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June 2012 in “European journal of medicinal chemistry” New steroid compounds effectively inhibit 5α-reductase and may treat hair loss.
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July 2021 in “Drug Testing and Analysis” 5α-reductase inhibitors can interfere with doping tests by masking banned substances.