January 2020 in “Benha Journal of Applied Sciences” People with psoriasis have higher levels of Apelin-13 in their blood than healthy people.
1 citations
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October 2019 in “PubMed” Removing the p75 gene in mouse skin cells didn't affect their skin or hair growth.
November 2025 in “Journal of Investigative Dermatology” Certain immune cells in atopic dermatitis skin could be targeted for treatment.
57 citations
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February 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
June 2007 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Hair can regrow in adult mice's skin after injury, and this regrowth doesn't come from existing hair cells but from skin cells in the wound, with Wnt7a protein helping this process. This could help treat baldness and scarring.
May 2007 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Hair can regrow in adult mice's skin after injury, and this regrowth doesn't come from existing hair cells but from skin cells in the wound, with Wnt7a protein helping this process. This could help treat baldness and scarring.
1 citations
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July 2025 in “Journal of Investigative Dermatology” IL-27 may help prevent hair loss by creating immune-suppressing cells.
77 citations
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June 2002 in “Journal of Investigative Dermatology” CD44 variant changes start alopecia areata, but don't maintain it.
33 citations
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January 2018 in “Blood” Ruxolitinib helps protect skin stem cells and keeps skin healthy in mice with skin GVHD.
5 citations
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June 2015 in “The Journal of Dermatology” HTLV-1-associated lichenoid dermatitis (HALD) is linked to an immune response against HTLV-1-infected cells.
CD4 T cells need IFN-γ to cause hair loss in alopecia areata.
γδTregs may help treat autoimmune diseases like alopecia areata by promoting hair regrowth and reducing immune attacks.
September 2024 in “Journal of the American Academy of Dermatology” Regulatory γδ T cells help protect hair follicles from alopecia areata and promote hair regrowth.
Higher PD-1 levels mean fewer CD8+ T cells in alopecia areata hair follicles.
5 citations
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August 2021 in “Experimental dermatology” Overexpressing Merkel cell virus proteins in human hair follicles can create clusters of cells that resemble Merkel cell cancer.
1 citations
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September 2019 in “Journal of Investigative Dermatology” Human hair matrix cells and dermal papilla fibroblasts can form early hair follicle structures but don't produce hair shafts yet.
14 citations
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June 2017 in “Immunity” Special immune cells called Treg cells are important for maintaining and regenerating hair by activating a specific growth signal in hair stem cells.
July 2025 in “Journal of Investigative Dermatology” Resident memory T cells and necroptosis may drive fibrosis in eosinophilic fasciitis and morphea.
105 citations
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December 2017 in “Journal of Biological Engineering” Artificial skin grafts face immune rejection, but stem cells may improve future designs.
1 citations
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April 2016 in “Journal of Investigative Dermatology” Targeting specific T cells may help treat alopecia areata.
July 2024 in “Journal of Investigative Dermatology” Expanding regulatory T cells may help treat alopecia areata by reducing harmful immune cells.
April 2023 in “Journal of Investigative Dermatology” Higher PD-1 levels are linked to fewer immune cells in hair follicles in alopecia areata.
IL-1 and IL-7 help activate cells that boost hair follicle stem cell growth, aiding wound healing.
June 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A substance called FGF9 from certain immune cells can trigger new hair growth during wound healing in mice, but humans may not have the same response due to fewer of these cells.
106 citations
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October 2016 in “Cell Stem Cell” PDGFA/AKT signaling is important for the growth and maintenance of certain skin fat cells.
17 citations
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June 2020 in “British Journal of Dermatology” Oral mTOR inhibitors often cause skin and hair side effects but usually don't require stopping treatment.
The 1550 nm fractional Er:Glass laser improved hair regrowth in patients with androgenic alopecia, but didn't significantly change collagen type I, skin fibroblasts, or macrophages. More research is needed for optimal results.
13 citations
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September 2022 in “Frontiers in immunology” Ifidancitinib, a JAK inhibitor, effectively regrows hair in mice with alopecia by tiring out harmful T cells.
2 citations
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May 2022 in “The journal of immunology/The Journal of immunology” BST2 protein and certain T cells increase in early alopecia areata.
A rare genetic mutation causes severe immune issues, hair loss, and nail problems.