January 2026 in “Dermatologic Therapy” Current models for studying alopecia are inadequate, and more human-like systems are needed.
Microtrauma techniques like microneedling and PRP can help regrow hair in non-scarring alopecia.
March 2018 in “Benha Journal of Applied Sciences” Women with telogen effluvium have lower levels of VEGF, which may contribute to their hair loss.
July 2015 in “Cambridge University Press eBooks” Androgens like testosterone affect skin health and can lead to conditions such as acne and hair loss, with various treatments available.
99 citations
,
July 2017 in “Clinical Reviews in Allergy & Immunology” New treatments for Alopecia Areata show promise but need to be more effective and affordable.
July 2022 in “Journal of Investigative Dermatology” Inhibiting TYK2 can restore hair growth in alopecia areata.
46 citations
,
July 2015 in “Wound repair and regeneration” Keloid scars may form due to changes in skin cell characteristics and specific protein signaling.
1 citations
,
October 2020 in “Research Square (Research Square)” Abnormal Wnt signaling in hair follicle stem cells can lead to acne-like cysts.
15 citations
,
July 1999 in “Dermatologic Clinics” The document concludes that immune system abnormalities cause alopecia areata, but the exact process is still not completely understood.
11 citations
,
June 2017 in “Mathematical Medicine and Biology A Journal of the IMA” The model helps understand and improve treatments for alopecia areata by simulating hair growth and immune cell interactions.
7 citations
,
January 2015 in “PubMed” Osteopontin may play a role in alopecia areata, but its levels don't predict treatment success.
6 citations
,
June 2023 in “Experimental Dermatology” Targeting mitophagy may help treat alopecia areata by reducing inflammasome activation.
March 2017 in “Trichology and cosmetology:” Psoriasis treatment may affect body hair growth, with a complex relationship between skin and hair growth mechanisms.
January 2011 in “Guangdong Medical Journal” Low Vitamin D receptor levels in hair follicles may contribute to alopecia areata.
4 citations
,
December 2016 in “Blood” A new gene mutation may cause cyclic thrombocytopenia by affecting platelet production.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Iron deficiency anemia is common and treated with iron supplements and diet changes.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Iron deficiency anemia is common and treated with iron supplements and diet changes.
44 citations
,
April 2023 in “Frontiers in Molecular Biosciences” Long COVID is complex, affects many survivors, and needs more research for effective treatments.
October 2025 in “Science Advances” IFN-γ production by CD4 T cells is crucial for causing alopecia areata.
36 citations
,
April 2011 in “Journal of The American Academy of Dermatology” People with hair loss have higher risk of high blood sugar and diabetes, and lower levels of a specific hormone.
93 citations
,
February 2015 in “Journal of Investigative Dermatology” Oxidative stress affects hair loss in men with androgenetic alopecia.
3 citations
,
February 2005 in “Expert Opinion on Investigational Drugs” New treatments for hair loss are being developed using molecular biology.
2 citations
,
June 2018 in “Journal of the American Academy of Dermatology” Alopecia areata causes varying hair loss and nail changes, and treatments include topical, systemic, and injectable therapies.
54 citations
,
December 2011 in “American Journal Of Pathology” A Gsdma3 mutation causes hair loss due to stem cell damage from skin inflammation.
49 citations
,
December 2018 in “Journal of Investigational Allergology and Clinical Immunology” Dupilumab may cause hair loss in some patients with severe atopic dermatitis.
23 citations
,
December 2015 in “Anais Brasileiros de Dermatologia” Permanent hair loss after bone marrow transplant can be caused by chemotherapy or chronic graft-versus-host disease.
7 citations
,
December 2021 in “Journal of The American Academy of Dermatology” COVID-19 can cause hair loss starting as early as 18 days after infection.
5 citations
,
May 2021 in “International Journal of Infectious Diseases” A man experienced hair loss after getting COVID-19, which improved with treatment and might have been triggered by stress related to the illness.
2 citations
,
July 2013 in “Veterinary dermatology” Dog skin with hair loss, when transplanted to mice, regrew hair, suggesting the hair loss cause is likely body-wide, not skin-specific.
86 citations
,
December 2002 in “Tissue Antigens” A specific gene change is linked to severe hair loss.