April 2021 in “Journal of Investigative Dermatology” IL-15 helps protect hair follicles from immune attacks and encourages hair growth.
76 citations
,
April 2005 in “Cancer Epidemiology, Biomarkers & Prevention” E211 G>A gene linked to lower risk of severe prostate cancer and hair loss.
62 citations
,
November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
6 citations
,
July 2022 in “World journal of stem cells” Using extracellular vesicles from stem cells can help hair grow by affecting scalp cells and hair follicles.
Certain natural products may help stimulate hair growth by affecting stem cell activity in the scalp.
May 2026 in “International Journal of Versatile Research and Analysis” Air wedge interferometry is a precise, cost-effective way to measure hair thickness.
49 citations
,
January 2018 in “Immunology” Psoriasis is linked to other autoimmune diseases and involves a specific inflammatory process.
12 citations
,
December 2021 in “Dermatology” Trichoscopy can help diagnose and assess disease activity in connective tissue diseases by identifying specific hair and scalp signs.
219 citations
,
September 2009 in “European journal of epidemiology” The Rotterdam Study aims to understand various diseases in older adults.
11 citations
,
September 2020 in “Steroids” A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.
7 citations
,
November 2022 in “Toxics” The method accurately measures 19 steroid hormones in human blood and urine using a small sample and is suitable for large-scale monitoring.
2 citations
,
June 2025 in “International Journal of Nanomedicine” New biomaterials can improve wound healing by promoting nerve and tissue regeneration.
1 citations
,
June 2024 in “BMC Oral Health” Autologous platelet concentrates can effectively treat oral lichen planus like topical steroids.
October 2025 in “Dermatology and Therapy” Ritlecitinib is being tested for effectiveness and safety in treating severe alopecia areata.
148 citations
,
December 2018 in “Journal of autoimmunity” Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.
38 citations
,
August 2012 in “Biochemical and biophysical research communications” Human leukocytes and beard hair follicle cells have internal daily clocks, and PER1 and PER3 genes may indicate individual circadian rhythms.
25 citations
,
June 2018 in “Journal of The American Academy of Dermatology” Genes linked to fibrosis are more active in people with central centrifugal cicatricial alopecia.
12 citations
,
June 2017 in “Cell Cycle” Minoxidil foam helps hair growth by increasing good proteins and decreasing bad pathways in men with hair loss.
7 citations
,
March 2025 in “Archives of Dermatological Research” Trichoscopy helps better understand and manage alopecia areata, improving patient outcomes.
4 citations
,
January 2015 in “International Journal of Trichology” Transplanted hair follicles can change and adapt to new areas of the body, with the immune system possibly playing a role in this adjustment.
1 citations
,
May 2017 in “InTech eBooks” Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.
December 2025 in “Cureus” Higher IL-17A and IL-23 levels are linked to alopecia areata severity and could help in tracking and treating the disease.
September 2025 in “Turkish Journal of Dermatology” Oxidative stress may play a role in alopecia areata, but depression and suicide risk are similar to healthy peers.
January 2024 in “International Journal of Biochemistry and Molecular Biology” Hormone levels can help predict metformin treatment success in women with PCOS.
July 2023 in “The Egyptian Journal of Hospital Medicine ” Alopecia areata is a hair loss condition caused by immune factors and can be treated with JAK inhibitors.
23 citations
,
May 2009 in “International Journal of Dermatology” AR gene not major factor in female hair loss; different from male hair loss.
15 citations
,
November 2022 in “Cell Death and Disease” CEP135 may predict cancer outcomes, and targeting PLK1 could help treat certain sarcomas.
1 citations
,
January 2024 in “Wiadomości Lekarskie” Detecting early breast arterial calcifications can help assess cardiovascular disease risk.
1 citations
,
October 2020 in “Journal of The American Academy of Dermatology” Balding might help identify men at higher risk for severe COVID-19, but more research is needed.
June 2026 in “Journal of Obstetrics Gynecology and Cancer Research” Salivary cytokines and the Free Androgen Index are promising non-invasive markers for diagnosing PCOS.