Alopecia areata is an autoimmune disease that targets hair follicles.
101 citations,
July 1998 in “Journal of Investigative Dermatology” UVB exposure in human skin causes macrophages to produce more IL-10 and less IL-12, leading to immunosuppression.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)” Inflammation in hair follicles is a key risk factor for developing common baldness.
94 citations,
August 1975 in “Journal of Cutaneous Pathology” Male pattern baldness involves smaller hair follicles, larger oil glands, and other tissue changes, but not major blood supply issues.
23 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Alopecia Areata is an autoimmune disease affecting hair follicles, influenced by genetic and environmental factors, with rodent models being essential for research.
August 2023 in “Medical Hypotheses” Metformin, usually used for diabetes, can also help treat hair loss from alopecia areata due to its ability to reduce inflammation and stimulate new hair growth.
June 2021 in “Journal of Cosmetic Dermatology” Laser treatment shows promise for hair growth, but needs further research.
9 citations,
June 2017 in “The American journal of dermatopathology/American journal of dermatopathology” The study found increased skin pigmentation and variable melanocyte density in a patient with Addison's disease.
March 2024 in “International journal of molecular sciences” taVNS reduces vitiligo symptoms in mice.
April 2019 in “Journal of Investigative Dermatology” Eating grape powder may reduce the severity of skin allergy symptoms.
September 2019 in “Journal of Investigative Dermatology” Researchers developed a 3D skin model with its own immune and blood vessel cells to better understand skin health and disease.
September 2023 in “Nature Communications” Immune cells are essential for skin regeneration using biomaterial scaffolds.
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.
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.
5 citations,
February 2022 in “International Journal of Molecular Sciences” Different immune cells like platelets, mast cells, neutrophils, macrophages, T cells, B cells, and innate lymphoid cells all play roles in skin wound healing, but more research is needed due to inconsistent results and the complex nature of the immune response.
October 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” A protein called EGFR protects hair follicle stem cells, and when it's disrupted, hair follicles can be damaged, but blocking certain pathways can restore hair growth.
October 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Immune cells are essential for early hair and skin development and healing.
147 citations,
November 2020 in “International Journal of Molecular Sciences” Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.
29 citations,
May 2020 in “npj Regenerative Medicine” Immune cells help regulate hair growth, and better understanding this can improve hair loss treatments.
20 citations,
May 2016 in “Journal of Cutaneous Pathology” Using CD123 to detect certain immune cells helps diagnose a type of hair loss condition.
April 2024 in “Frontiers in physiology” Immune cells are crucial for hair growth and preventing hair loss.
27 citations,
January 2020 in “Experimental Dermatology” Immune cells affect hair growth and could lead to new hair loss treatments.
15 citations,
April 2017 in “Cell Stem Cell” Some brain cancer cells avoid immune system detection, and certain treatments could target this to slow their growth; also, certain fat cell precursors help regenerate hair and skin after injury.
6 citations,
November 2018 in “American journal of transplantation” UV light helped human hair transplants survive in mice without broad immunosuppression.
December 2012 in “Journal of dermatological science” Hair follicles help attract immune cells to minor skin injuries.
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.
295 citations,
June 2009 in “Science” Stromal stem cells may help heal wounds by becoming structural cells or affecting the immune system, but more research is needed to understand how.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Scarred skin in lichen planopilaris loses immune cells due to a decrease in a specific protein in skin cells.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” People with alopecia areata have fewer IL-10 producing immune cells, which might contribute to the condition.