As people age, certain enzymes in scalp glands decrease, affecting hair health.
2 citations
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May 2025 in “Journal of the European Academy of Dermatology and Venereology” Ritlecitinib improves hair regrowth in alopecia areata over 24 months.
4 citations
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May 2020 in “PLOS ONE” Ingenol mebutate gel changes gene expression related to skin development and immune response in actinic keratosis.
July 2024 in “Journal of Investigative Dermatology” Brepocitinib improves cicatricial alopecia and reduces key immune markers.
266 citations
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January 2016 in “Development” YAP and TAZ are crucial for skin cell growth and repair.
February 2025 in “Skin Appendage Disorders” Upadacitinib helps most people with alopecia regrow hair quickly and is generally safe.
1 citations
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August 2023 in “The journal of pharmacology and experimental therapeutics/The Journal of pharmacology and experimental therapeutics” Kir6.1 mutations in Cantú syndrome increase channel sensitivity and hyperpolarization, while SUR2B mutations do not.
January 2012 in “Durham e-Theses (Durham University)” Keratin 15 affects cell behavior and characteristics in skin cells.
37 citations
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September 2018 in “Journal of the American Academy of Dermatology” Ruxolitinib can help regrow hair in severe alopecia areata.
16 citations
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October 2014 in “Oral surgery, oral medicine, oral pathology and oral radiology” Keratoacanthoma comes from hair follicle cells.
September 2023 in “Frontiers in bioengineering and biotechnology” JAGGED1 could help regenerate tissues for bone loss and heart damage if delivered correctly.
2 citations
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November 2015 in “Journal of Investigative Dermatology” RANKL improves the immune response against herpes simplex virus by enhancing T cell activation and could help develop better treatments or vaccines.
13 citations
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May 2023 in “Journal of Dermatological Science” Reduced SIRT1 in hair cells may cause alopecia areata by triggering immune responses.
6 citations
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June 2025 in “Nano Biomedicine and Engineering” Smart nano-PROTACs improve cancer treatment by targeting proteins more precisely and reducing side effects.
38 citations
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March 1997 in “Journal of interferon & cytokine research” IL-1β inhibits human hair follicle growth.
February 2026 in “Reports — Medical Cases Images and Videos” Upadacitinib may help regrow hair in children with alopecia areata and is generally safe.
6 citations
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November 2018 in “Photodiagnosis and Photodynamic Therapy” A wearable cap-like device using light therapy reduced scalp skin lesions by 71% and was painless.
8 citations
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March 2004 in “Mammalian genome” KAP genes are crucial for hair development and show both shared and unique traits in humans, chimpanzees, and baboons.
July 2022 in “Journal of Investigative Dermatology” TRPS1 loss in balding scalp areas contributes to hair loss in androgenic alopecia.
15 citations
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November 2022 in “Cell Death and Disease” CEP135 may predict cancer outcomes, and targeting PLK1 could help treat certain sarcomas.
83 citations
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June 2017 in “Journal of the American Academy of Dermatology” Topical JAK inhibitors may help children with alopecia areata regrow hair.
10 citations
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January 2023 in “SAGE Open Medical Case Reports” Upadacitinib may effectively treat both alopecia universalis and Crohn's disease.
September 2025 in “Experimental & Molecular Medicine” Small molecules KY19382 and KY19334 may help treat skin cancer by reducing CDK1 levels and blocking harmful cell signals.
1 citations
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August 2021 in “Journal of The American Academy of Dermatology” Baricitinib was effective in treating both early and late onset alopecia areata.
32 citations
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April 2019 in “JAAD case reports” JAK inhibitors helped treat hair loss in two people with Down syndrome.
4 citations
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September 2020 in “Cell division” XMU-MP-1 stops cell growth in a human mini-organ and reduces the effectiveness of the chemotherapy drug paclitaxel.
April 2023 in “Journal of Investigative Dermatology” Acne patients have higher skin mTORC1 activity, which is reduced by isotretinoin treatment.
86 citations
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May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
63 citations
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November 2009 in “British journal of dermatology/British journal of dermatology, Supplement” Sub3 is essential for fungus adherence but not for skin invasion.
5 citations
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October 2024 in “International Journal of Biological Sciences” A peptide from hair follicle stem cells can boost hair growth.