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    Glossary Patched 1

    Patched 1 (PTCH1) is a gene that encodes a protein involved in the Hedgehog signaling pathway, which plays a crucial role in regulating hair follicle development and cycling. Mutations or dysregulation of PTCH1 can lead to hair loss conditions, as it affects the proliferation and differentiation of hair follicle cells. Key distinguishing characteristics of PTCH1 include its involvement in both embryonic development and the maintenance of adult hair follicles, making it a significant factor in understanding hair biology and potential hair loss therapies.

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    Research 10 of 1000+

    1. Patched1 Functions as a Gatekeeper by Promoting Cell Cycle Progression Cancer Research · 2006 · 176 citations
    2. Suppression of hair follicle development inhibits induction of sonic hedgehog, patched, and patched-2 in hair germs in mice Archives of Dermatological Research · 2001 · 14 citations
    3. DMBA/TPA Treatment Is Necessary for BCC Formation from Patched Deficient Epidermal Cells in Ptch flox/flox CD4Cre +/− Mice Journal of Investigative Dermatology · 2014 · 11 citations
    4. Glypican-1, -4 and 6 Participate in the Hair Follicle Stem Cell Differentiation via Specific Interactions with BMP2R, Fz7 and Patched 1 SPIRE - Sciences Po Institutional REpository · 2024
    5. Patched-assoziierte Tumoren: Modifikatorgene und Pathogenese 2022
    6. Alopecia areata susceptibility variant identified by MHC risk haplotype sequencing reproduces symptomatic patched hair loss in mice bioRxiv (Cold Spring Harbor Laboratory) · 2018
    7. Application of microneedle patches for drug delivery; doorstep to novel therapies Journal of Tissue Engineering · 2022 · 76 citations
    8. Novel tip-loaded dissolving and implantable microneedle array patches for sustained release of finasteride International Journal of Pharmaceutics · 2021 · 23 citations
    9. Fabrication of polyvinyl pyrrolidone-K90/Eudragit RL100-based dissolving microneedle patches loaded with alpha-arbutin and resveratrol for skin depigmentation Biomaterials Science · 2023 · 21 citations
    10. Fabrication of astaxanthin-loaded electrospun nanofiber-based mucoadhesive patches with water‐insoluble backing for the treatment of oral premalignant lesions Materials & design · 2022 · 13 citations
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    Community 7 of 17

    1. 29F Seeking Advice for Severe Hair Loss and Bald Patches Community · 20 May 2026
    2. had a consultation at HairClub/Bosley – they pitched their 1-year program for ~$5k. Is this the EXT Extreme Hair Therapy thing? Worth it? Reddit · 15 Feb 2026
    3. Diffuse thinner asking for help. Density patches, shedding, seb derm and itching Community · 23 Jul 2026
    4. Is this new hair growth? Former slick bald patches. Reddit · 6 Jul 2024
    5. Topical dutasteride %? And do you apply it every day? Can someone knowledgeable confirm or deny my understanding? Reddit · 23 Apr 2023
    6. Hello everyone I need some good tips for temple recovery Reddit · 19 Dec 2021
    7. Is keratin fusion bond good alternative to clip on hair patch for diffused thinners Reddit · 6 Sept 2023
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