May 2023 in “The Journal of Immunology” Alopecia areata involves unique activation of certain immune cells.
October 2022 in “Frontiers in Cell and Developmental Biology” Aging skin is affected by inflammation, reduced stem cell function, and slower 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.
48 citations
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January 2024 in “Immune Network” IL-15 is key for T cell function and could help improve treatments for immune-related diseases.
237 citations
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June 2013 in “Nature Medicine” A protein from certain immune cells is key for new hair growth after skin injury in mice.
148 citations
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September 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Alopecia areata is an autoimmune disorder causing hair loss, linked to specific hair follicle antigens and genetic factors.
45 citations
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April 2019 in “International Immunology” The study concluded that immune cells attacking hair follicles cause hair loss in alopecia, with genetics and environment also playing a role, and highlighted the potential of certain treatments.
30 citations
,
July 2019 in “PloS one” Patients with Alopecia areata have fewer specific immune cells that normally regulate the immune system, which may contribute to the condition.
27 citations
,
April 2018 in “Scientific Reports” Psoriasis patients' immune response to a hair protein depends on their specific gene type.
11 citations
,
January 2017 in “Oxidative medicine and cellular longevity” Antroquinonol may help prevent skin depigmentation by suppressing certain immune cells.
5 citations
,
June 2015 in “The Journal of Dermatology” HTLV-1-associated lichenoid dermatitis (HALD) is linked to an immune response against HTLV-1-infected cells.
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.
November 2025 in “The Journal of Immunology” Hair follicle stem cells help heal wounds by turning certain immune cells into ones that reduce inflammation.
August 2024 in “Cell Death and Disease” Activating TLR9 helps heal wounds and regrow hair by using specific immune cells.
July 2024 in “Journal of Investigative Dermatology” Sex and race affect immune responses and treatment outcomes in Hidradenitis suppurativa.
June 2023 in “Research Square (Research Square)” Hair loss in male pattern baldness is linked to changes in immune cell behavior around hair follicles.
April 2023 in “Journal of Investigative Dermatology” Higher PD-1 levels are linked to fewer immune cells in hair follicles in alopecia areata.
July 2022 in “Journal of Investigative Dermatology” IL-15 helps maintain hair growth and protects the immune status of hair follicles.
53 citations
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August 2019 in “American journal of human genetics” FOXN1 gene variants cause low T cells and immune issues from birth.
28 citations
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June 2021 in “Frontiers in immunology” A protein called lfTSLP is important in causing allergic and other skin diseases and could be a target for treatment.
9 citations
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December 2020 in “Journal of The American Academy of Dermatology” Platelet-rich plasma may help restore immune balance in bald patches, but its effectiveness in treating hair loss is limited.
2 citations
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October 1990 in “PubMed” Severe alopecia areata involves higher levels of certain immune cells, which can be normalized with betamethasone.
July 2024 in “Journal of Investigative Dermatology” Expanding regulatory T cells may help treat alopecia areata by reducing harmful immune cells.
February 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Activating TLR9 helps heal large wounds and regrow hair by involving a specific type of immune cell.
A rare genetic mutation causes severe immune issues, hair loss, and nail problems.
January 2014 in “Journal of Jilin University” Higher levels of certain immune cells and proteins are linked to more severe lupus symptoms.
January 2026 in “Immunity & Inflammation” Autoimmune skin diseases result from genetic and environmental factors disrupting immune checkpoints.
60 citations
,
September 2023 in “Science” BTNL proteins help control inflammatory bowel disease by maintaining specific immune cells.
30 citations
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April 2007 in “Journal of Leukocyte Biology” Blocking CD44 can reduce leukocyte migration in autoimmune skin diseases.
16 citations
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February 2005 in “British journal of dermatology/British journal of dermatology, Supplement” Lack of Vitamin D receptor changes skin structure and increases certain immune cells in the skin.