January 2012 in “Yearbook of Dermatology and Dermatologic Surgery” The study concluded that a 'Swiss cheese' pattern in hair follicles is a useful sign for diagnosing alopecia areata.
60 citations
,
November 2013 in “Development” Keratin 79 marks a new group of cells that are key for creating and repairing the hair follicle's structure.
January 2012 in “Medical Journal of Babylon”
1 citations
,
September 2018 in “Australasian Journal of Dermatology” A boy with GAPO syndrome had hair loss similar to male pattern baldness without hormone issues, possibly due to skin or blood vessel problems.
20 citations
,
June 2014 in “BMC genomics” Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.
January 2020 in “Skinmed” Zinc levels are not significantly different in people with hair loss conditions like Androgenetic Alopecia and Alopecia Areata.
January 2009 in “Xumu shouyi xuebao” Sheep cells were successfully modified to include a spider silk protein gene.
31 citations
,
April 2018 in “Royal Society open science” Sarcoptes scabiei infection causes significant health and behavior changes in wombats.
October 2024 in “Developmental Dynamics” Recent advances show zebrafish can model anemia, Alx4 affects craniofacial and hair development, and mTORC1 is crucial for retinal development.
9 citations
,
August 1952 in “The Journal of Clinical Endocrinology & Metabolism” A 17-year-old female with adrenogenital syndrome produces very high levels of androgens, which prevent complete feminization despite high estrogen doses.
4 citations
,
October 2004 in “Humana Press eBooks” Epidermal growth factor stops hair follicle formation in developing mouse skin.
1 citations
,
January 2022 in “Food & Function” Certain Egyptian Sabal fruit extracts may help treat anti-androgenic diseases like benign prostatic hyperplasia.
4 citations
,
June 2003 in “Fertility and Sterility” Finasteride doesn't affect ovulation in normal women.
March 2024 in “Veterinary sciences” Geriatric Julia Creek dunnarts often suffer from reproductive and skin diseases, impacting conservation efforts.
6 citations
,
August 1975 in “Journal of Endocrinology” Cortisol and corticosterone thin mouse skin and regress hair follicles, while testosterone promotes skin and hair development.
18 citations
,
October 2017 in “Drug Design Development and Therapy” DA-9401 helps protect rat testis from finasteride damage.
419 citations
,
March 2005 in “Proceedings of the National Academy of Sciences” Hair-follicle stem cells can become neurons.
11 citations
,
June 2005 in “Postgraduate Medical Journal” Some infants temporarily grow scrotal hair, which usually disappears on its own without any health issues.
1 citations
,
January 2023 in “International journal of urology” Low zinc levels are linked to low testosterone but not to sexual problems.
July 2025 in “Journal of Investigative Dermatology” Researchers created long-lasting, diverse skin organoids from mouse hair follicle stem cells, useful for studying skin.
October 2024 in “Journal of the Endocrine Society” Ovarian stromal hyperplasia can cause high testosterone in postmenopausal women and is treated by removing the ovaries.
1 citations
,
December 1998 in “PubMed” Surgery on a 68-year-old woman with an ovarian tumor led to reduced hirsutism and normal testosterone levels.
23 citations
,
June 2010 in “Journal of Investigative Dermatology” A mutation in the Soat1 gene causes hair structure defects and other health issues in AKR/J mice.
February 2026 in “European Urology”
68 citations
,
February 2019 in “Urology” Hormonal treatment in transgender women reduces semen quality, but stopping treatment may improve it.
1 citations
,
January 2015 in “Journal of Clinical Toxicology” Babies were mostly born healthy from fathers who took finasteride, but some pregnancies ended early; more research is needed.
2 citations
,
May 2006 in “Journal of Separation Science” The method effectively measures spermidine in hair lotions.
93 citations
,
May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
1 citations
,
January 2007 in “Griffith Research Online (Griffith University, Queensland, Australia)” Adult rat olfactory mucosa has stem cells that can self-renew and become different cell types.
1 citations
,
May 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The fer-ts mutation in plants prevents root hair growth at high temperatures.