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.
July 2023 in “Journal of Clinical Medicine” The document concludes that understanding hair follicle histology and the hair cycle is crucial for diagnosing alopecia.
August 1994 in “Drugs & Therapy Perspectives” Psoriasis treatments range from topical creams to systemic medications with serious side effects, and while treatments can manage symptoms, there is no cure.
November 2025 in “Journal of Investigative Dermatology” Ritlecitinib effectively treats severe Alopecia Areata by reducing harmful immune activity in the skin.
55 citations
,
October 2019 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” The review suggests that other immune cells besides CD8+ T cells may contribute to alopecia areata and that targeting regulatory cell defects could improve treatment.
54 citations
,
September 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin A affects hair loss and immune response in alopecia areata.
July 2025 in “Clinical Cosmetic and Investigational Dermatology” Major depression disorder increases the risk of alopecia areata, and vice versa.
April 2024 in “International journal of molecular sciences” Alopecia areata and vitiligo share immune system dysfunction but differ in specific immune responses and affected areas.
252 citations
,
January 2008 in “Trends in Endocrinology and Metabolism” Melatonin in the skin helps protect against damage from stress and UV rays, and could be used to treat certain skin conditions.
220 citations
,
June 2013 in “The Journal of Pathology” Lichen planopilaris may be an autoimmune disease causing hair loss due to immune system issues in hair follicles.
127 citations
,
January 2015 in “Journal of Biological Rhythms” The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.
54 citations
,
December 2011 in “American Journal Of Pathology” A Gsdma3 mutation causes hair loss due to stem cell damage from skin inflammation.
36 citations
,
October 1996 in “Dermatologic Clinics” Mice are useful for researching human hair loss and testing treatments, despite some differences between species.
33 citations
,
December 2012 in “NMR in Biomedicine” Microencapsulation helps protect and track therapeutic cells, showing promise for treating various diseases, but more work is needed to improve the technology.
26 citations
,
June 2024 in “Frontiers in Immunology” SOCS1 and SOCS3 help control skin inflammation and are important for developing treatments for skin diseases.
19 citations
,
July 2022 in “PNAS Nexus” Similar treatments might work for different types of scarring hair loss.
18 citations
,
March 2023 in “Molecular Therapy — Nucleic Acids” Mechanical stimuli and CCL2 can help regenerate hair follicles in adult mice.
16 citations
,
December 2015 in “Journal of Investigative Dermatology” Alopecia areata involves persistent gene abnormalities and immune activity, even in regrown hair, suggesting a risk of relapse.
11 citations
,
February 2021 in “Biomedicines” Bacteria in our hair can affect its health and growth, and studying these bacteria could help us understand hair diseases better.
10 citations
,
October 2011 in “Dermatologica Sinica” A patient with PPP had rare skin reactions to adalimumab, which improved after stopping smoking and continuing acitretin.
8 citations
,
July 2020 in “Clinical, cosmetic and investigational dermatology” Excessive sun protection might cause frontal fibrosing alopecia by disrupting skin immune balance.
7 citations
,
February 2023 in “Inflammation and Regeneration” The protein interleukin-1 alpha helps regenerate hair follicles and increase stem cell growth in mice.
7 citations
,
November 2020 in “Experimental Dermatology” Different cell types work together to repair skin, and targeting them may improve healing and reduce scarring.
5 citations
,
August 2025 in “Journal of Radiation Research” Understanding skin reactions to radiation has improved, helping to reduce injuries and prevent skin cancer.
2 citations
,
July 2022 in “Frontiers in Medicine” The cause of Frontal fibrosing alopecia, a type of hair loss, is complex, likely involving immune responses and genetics, but is not fully understood.
2 citations
,
November 1998 in “Journal of The European Academy of Dermatology and Venereology” A patient with a severe type of hair loss experienced partial hair regrowth after treatment with a specific light therapy and a medication called interferon α2a.
August 2025 in “Journal of Cosmetic Dermatology” Light-based therapy can help regrow hair in different types of hair loss, but more research is needed.
Ritlecitinib helps reduce inflammation and promote hair regrowth in alopecia areata, especially in patchy-type cases.
November 2024 in “Journal of Investigative Dermatology” γδT cells can protect hair follicles from alopecia areata and promote hair regrowth.
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” GRK2 is essential for healthy hair follicle function, and its absence can lead to hair loss and cysts.