Different scalp and hair disorders are more common in certain ethnic groups, with the most common being androgenetic alopecia, which is treated with medications like minoxidil and finasteride.
August 2023 in “Dermatologic Surgery” Person-to-person hair transplants can work for patients on lifelong immunosuppression, with high hair growth success.
119 citations,
December 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Nanoparticles can deliver vaccines through hair follicles, triggering immune responses and providing protection.
34 citations,
September 2019 in “Clinical, Cosmetic and Investigational Dermatology” Light therapy can stimulate hair growth and is more effective when started early, but more research is needed on its long-term effects and optimal use.
2 citations,
January 2023 in “Pharmaceuticals” Natural products and phytochemicals may help with hair regrowth, but more research is needed.
1 citations,
April 2022 in “Applied sciences” Bitter melon extract may help prevent hair loss and can be used in cosmetic products.
February 2024 in “Cosmetics” The conclusion is that new plant-based treatments for hair loss may work by targeting certain enzymes.
60 citations,
September 2015 in “Expert Review of Clinical Immunology” Lymphocytes, especially CD8+ T cells, play a key role in causing alopecia areata, and targeting them may lead to new treatments.
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.
15 citations,
September 1992 in “The Lancet” Stopping minoxidil caused significant hair loss, but regrowth occurred after resuming use.
119 citations,
October 2011 in “Journal of Veterinary Internal Medicine” Rhodococcus equi causes severe pneumonia in young foals, and effective vaccines are needed due to foals' weak immune responses.
11 citations,
June 2011 in “Expert Review of Dermatology” Skin reactions to drugs are common and can be deadly, usually requiring stopping the drug and may be better prevented with genetic testing in the future.
156 citations,
August 2016 in “Journal of controlled release” Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.
62 citations,
April 2009 in “British Journal of Dermatology” Epidermal stem cells could lead to new treatments for skin and hair disorders.
47 citations,
March 2022 in “Frontiers in cellular and infection microbiology” Changes in skin microbes play a role in some skin diseases and could lead to new treatments.
42 citations,
October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
13 citations,
February 2016 in “Clinical Medicine” The document concludes that diagnosing and treating hair loss is complex and requires understanding its psychological effects and underlying causes, while also calling for more research and new treatments.
5 citations,
January 2022 in “PloS one” Deleting the p63 gene in certain cells causes problems in thymus development and severe hair loss in mice.
COVID-19 may trigger or worsen rapid hair loss in alopecia areata.
August 2024 in “Frontiers in Public Health” Alopecia Areata severely impacts mental health, causing anxiety and depression, affecting quality of life.
91 citations,
January 2010 in “Journal of Allergy and Clinical Immunology” NK cells play a role in skin diseases like eczema and psoriasis.
24 citations,
November 2023 in “Nature” The extracellular matrix affects where tumors can start in the body.
August 2024 in “Current Protocols” The C3H/HeJ mouse model is useful for studying and testing treatments for alopecia areata.
5 citations,
June 2022 in “Frontiers in immunology” Increasing Treg cells in the skin does not cure hair loss from alopecia areata in mice.
18 citations,
January 2017 in “Annals of dermatology/Annals of Dermatology” Certain immune cells contribute to severe hair loss in chronic alopecia areata, with Th17 cells possibly having a bigger impact than cytotoxic T cells.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Both induced and spontaneous AA lymphocytes can cause alopecia areata in mice.
June 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” ILC1-like cells can cause alopecia areata by attacking hair follicles.
181 citations,
December 2017 in “Trends in immunology” Intestinal intraepithelial lymphocytes are crucial for gut immunity and maintaining the mucosal barrier.
9 citations,
April 2021 in “Frontiers in Immunology” Unconventional lymphocytes are important for quick immune responses and healing of skin and mucosal barriers.
6 citations,
January 2023 in “International journal of molecular sciences” Mast cells and CD8 T cells interact closely in skin diseases, affecting each other's behavior and contributing to conditions like psoriasis and eczema.