6 citations
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March 2024 in “SKIN The Journal of Cutaneous Medicine” In this ongoing phase 3 study, ritlecitinib demonstrated sustained efficacy up to 24 months in patients aged 12 or older with alopecia areata, showing increased response rates with or without an initial loading dose and supporting its long-term use.
127 citations
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January 2013 in “PLOS ONE” This study found that feeding aged mice a probiotic yogurt induced changes leading to thicker, healthier fur, suggesting a bacteria-triggered interleukin-10-dependent mechanism that mimics signs of youth and reproductive fitness.
54 citations
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May 2001 in “Journal of Investigative Dermatology” This study suggests that increased putrescine levels may disrupt normal hair follicle development in transgenic mice, leading to hair loss and altered skin structure, yet these mice appear more resistant to skin tumorigenesis.
November 2021 in “CRC Press eBooks” This review discusses the genetic and metabolic factors influencing hair pigmentation, as well as conditions leading to hypo- or depigmented hair, and reports no new experimental findings.
January 2004 in “Giornale di Metafisica: revista bimestrale di filosofia” This study suggests that increased Wnt signaling may promote excessive differentiation of melanocytes, leading to exhaustion of melanocyte stem cells and hair graying in aged mice.