Adipocytes in atopic dermatitis skin change and worsen inflammation and fibrosis.
6 citations
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April 2017 in “Experimental dermatology” CD80CD86 deficiency causes hair loss by disrupting regulatory T cells.
May 2000 in “Journal of Investigative Dermatology” Hedgehog signaling is crucial for hair development, cadherins affect cell adhesion, neutrophils play a role in skin lesions, and BP230 autoantibodies impact skin stability.
6 citations
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April 2013 in “British Journal of Dermatology” Hidradenitis suppurativa is likely caused by blocked hair follicles, not apocrine glands.
286 citations
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August 2007 in “Journal of Clinical Investigation” Alopecia areata is an autoimmune disease where T cells attack hair follicles.
1 citations
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March 2022 in “Journal of biological chemistry/The Journal of biological chemistry” Removing a specific gene in certain skin cells causes hair loss in mice by disrupting hair follicle development.
53 citations
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September 2013 in “Journal of Investigative Dermatology” Hair follicle cells help protect against immune attacks by regulating T-cell activity.
April 2023 in “Journal of Investigative Dermatology” Cyclosporin A, a drug, reduces TGF-β2 expression in skin cells, potentially causing excessive hair growth through a process involving the calcineurin/NFAT pathway.
1 citations
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January 2022 in “The Keio Journal of Medicine” Hair follicles regulate immune cells in the skin, and disrupting certain pathways can lead to skin issues and infections.
Human hair follicle stem cells improved memory and brain health in rats.
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.
56 citations
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March 1991 in “Journal of Investigative Dermatology”
53 citations
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July 2011 in “Biomaterials” Human liver cells stick to hair protein materials mainly through the liver's asialoglycoprotein receptor.
August 2022 in “Journal of Investigative Dermatology” Baricitinib reduces inflammation and mitochondrial damage in skin cells.
6 citations
,
April 2012 in “Journal of Oral Pathology and Medicine” Rushton's hyaline bodies form from hair keratin and blood substances.
April 2023 in “Journal of Investigative Dermatology” Mast cells and the CB1 receptor may be key in causing IgA vasculitis.
3 citations
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January 2017 in “Yonsei Medical Journal” Blocking 11β-HSD1 can lessen the harmful effects of glucocorticoids on hair growth cells.
February 2009 in “Journal of The American Academy of Dermatology” Certain immune system genes are linked to a higher risk of psoriasis and psoriatic arthritis, while others may offer protection.
November 2025 in “Journal of Investigative Dermatology” TEC kinases may help cause inflammation in vitiligo and could be targeted for treatment.
Hair cortisol may help identify adrenal insufficiency in sickle cell disease patients.
62 citations
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November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
July 2022 in “British Journal of Dermatology”
March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Removing a specific gene in certain skin cells causes hair loss on the body by disrupting normal hair development.
January 2011 in “Repository KITopen (Karlsruhe Institute of Technology)” Blocking certain proteins on immune cells may help treat alopecia areata.
1 citations
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June 2006 in “Experimental dermatology” The conclusion suggests that early signs of hidradenitis suppurativa may start in the hair follicle, with genetic and immune factors playing a role, highlighting the need for more research on the hair follicle's immune system.
2 citations
,
January 1975 in “Archives of Dermatological Research” Certain enzymes react strongly with some hormones in rat skin during hair growth, mainly in sebaceous glands and hair sheaths.
5 citations
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September 1989 in “Journal of The American Academy of Dermatology” Talc in street cocaine can cause immune-reactive skin nodules where injected.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain immune cells, when activated by specific signals, can encourage hair growth.
4 citations
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April 2016 in “Journal of The American Academy of Dermatology” A patient with advanced kidney cancer and no hepatitis C developed skin inflammation due to a drug called interferon alpha-2a.
20 citations
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November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” IFN-γ and IL-2 are important for T cell activation in hair loss in mice.