199 citations,
April 2010 in “Nature” A gene called APCDD1, which controls hair growth, is found to be faulty in a type of hair loss called hereditary hypotrichosis simplex.
100 citations,
November 2017 in “EMBO Reports” Metabolic signals and cell shape influence how cells develop and change.
3 citations,
May 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The unique coat of lykoi cats is likely caused by new variants in the Hairless gene.
113 citations,
March 2018 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.
53 citations,
September 2013 in “Journal of Investigative Dermatology” Hair follicle cells help protect against immune attacks by regulating T-cell activity.
46 citations,
October 2018 in “JCI insight” CD8+ T cells are involved in alopecia areata and may cause disease relapse.
34 citations,
June 2020 in “British journal of dermatology/British journal of dermatology, Supplement” Frontal fibrosing alopecia is linked to increased immune system activity and reduced stem cells, suggesting early treatment targeting this pathway might prevent hair follicle damage.
27 citations,
September 1992 in “The Lancet” ICL is a condition with low CD4+ T cells like AIDS but not caused by HIV, and normal CD4+ T cell counts may vary between men and women.
18 citations,
November 2016 in “Transgenic research” Overexpressing Tβ4 in cashmere goats improves hair fiber traits and increases cashmere yield.
14 citations,
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.
13 citations,
September 2022 in “Frontiers in immunology” Ifidancitinib, a JAK inhibitor, effectively regrows hair in mice with alopecia by tiring out harmful T cells.
9 citations,
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.
9 citations,
November 2020 in “Medical Hypotheses” Hair loss may link to weaker COVID-19 immunity, suggesting possible need for extra vaccine boost.
8 citations,
October 2016 in “Experimental dermatology” Hair follicles may help teach the immune system to tolerate new self-antigens, but this can sometimes cause hair loss.
7 citations,
February 2016 in “Dermatology and therapy” t-Flavanone helps improve male pattern hair loss by making hair roots stronger.
4 citations,
July 2008 in “British journal of dermatology/British journal of dermatology, Supplement” Poor response to topical immunotherapy in alopecia areata patients is linked to impaired cell responses.
1 citations,
November 2018 in “immuneACCESS” Expanded CD8+ T cells are linked to Alopecia Areata and may cause relapse after treatment.
1 citations,
April 2018 in “Journal of Investigative Dermatology” Simvastatin helps hair regrowth in autoimmune alopecia by directly affecting T cells.
August 2013 in “Fertility and sterility” Metformin can help diagnose and treat high testosterone levels in women, often due to insulin resistance rather than a tumor.
May 2023 in “Frontiers in Immunology” Treg cell-based therapies might help treat hair loss from alopecia areata, but more research is needed to confirm safety and effectiveness.
April 2023 in “Journal of Investigative Dermatology” Higher PD-1 levels are linked to fewer immune cells in hair follicles in alopecia areata.
April 2023 in “Journal of Investigative Dermatology” Defective T cell metabolism can cause early skin aging and poor hair follicle stem cell function.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” T cells with memory features grow in number and gather around hair follicles when there are not enough immune cells.
January 2021 in “Hair transplant forum international” The T-Fast multi-implanter makes hair transplant surgeries quicker and cheaper.
September 1997 in “Journal of the European Academy of Dermatology and Venereology” People with acne have more CD4+ immune cells in their skin than healthy people.
April 2020 in “International Journal of Dermatology” T-cell patterns in skin help distinguish alopecia areata from androgenetic alopecia.
188 citations,
March 2018 in “Frontiers in Immunology” Regulatory T-cells are important for healing and regenerating tissues in various organs by controlling immune responses and aiding stem cells.
140 citations,
March 2013 in “The journal of immunology/The Journal of immunology” Memory regulatory T cells need IL-7, not IL-2, to stay in peripheral tissues.
125 citations,
September 2019 in “Journal of Clinical Immunology” Foxp3 is crucial for regulatory T cell function, and targeting these cells may help treat immune disorders.
27 citations,
August 2021 in “Journal of Autoimmunity” Human dermal γδT-cells respond to stress in hair follicles, contributing to hair loss.