138 citations
,
November 1974 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Males and females differ in lifespan, growth, organ size, metabolism, and brain structure, with females generally living longer and maturing earlier.
25 citations
,
May 2013 in “Journal of mammary gland biology and neoplasia” Hedgehog signaling is crucial for mammary gland development over hair follicles.
4 citations
,
January 2006 in “PubMed” DHT deficiency may disrupt rat epididymis function by affecting estrogen receptors.
16 citations
,
March 2021 in “EvoDevo” Different species use the same genes for tooth regeneration.
6 citations
,
November 1980 in “Clinical Endocrinology” Measuring plasma testosterone glucosiduronate is a reliable way to detect high male hormone levels in women.
July 2012 in “EFSA supporting publications” The EFSA maintained its view that spermidine's effect on hair growth is related to disease treatment and does not meet the health claim criteria.
4 citations
,
August 2015 in “PloS one” Transplanted whisker follicles caused long hair growth on the spinal cords of mice.
23 citations
,
July 2015 in “The Journal of Membrane Biology” Testosterone increases certain proteins in the uterus, reducing fluid volume.
January 2023 in “Seven Editora eBooks” A rare ovarian tumor was diagnosed in a woman from North Brazil, and surgery is the preferred treatment.
19 citations
,
January 2023 in “Genes” Certain genes influence wool, growth, and reproduction traits in Uruguayan Merino sheep.
January 2025 in “Case Reports in Genetics” A rare gene variant causes sexual development issues in siblings, needing personalized treatment.
January 2026 in “Biochemical Pharmacology” 1 citations
,
August 2023 in “Case Reports in Women s Health” Leydig cell hyperplasia can cause virilization in postmenopausal women and is treatable with surgery.
34 citations
,
January 2013 in “Frontiers in genetics” Stem cells can help other stem cells by producing supportive factors.
May 2007 in “The Journal of Urology” Finasteride lowers PSA levels in men, certain factors increase testicular cancer risk, and current guidelines for penile cancer may lead to unnecessary surgeries.
10 citations
,
July 2022 in “BMC Biology” Sex-limited chromosomes can affect traits not related to reproduction.
31 citations
,
November 1965 in “Journal of Mammalogy” The pituitary gland is crucial for normal mink fur cycles.
April 2023 in “Journal of Investigative Dermatology” The study found that aging hair follicle stem cells change behavior, leading to hair loss, but drugs targeting these cells may help restore hair growth.
June 2019 in “Stem Cell Research” Scientists created MUSIi010-A, a stem cell line from a balding man's scalp, to study hair loss and develop potential treatments.
14 citations
,
March 2015 in “Stem Cell Research & Therapy” ABCG2 protein marks stem-like skin cells in human epidermis.
8 citations
,
January 2012 in “General and Comparative Endocrinology” 5α-Reductase helps regulate hormone action in toad testes, especially during breeding season.
58 citations
,
November 2012 in “PLoS ONE” Human skin cells can be turned into versatile stem cells, but their ability to do so decreases with repeated use.
2 citations
,
January 2020 in “Methods in molecular biology” Scientists created early-stage hair follicles from human skin cells, which could help treat baldness and study hair growth.
3 citations
,
December 2013 in “Journal of Cell Science” Keratin 79 cells help form and regenerate hair canals.
2 citations
,
October 2001 in “Mycoses” A cat had a rare fungal infection caused by Microsporum gypseum.
5 citations
,
January 2017 in “Endocrinology” Genetic defects in testosterone production can cause hormonal and developmental disorders, and more research is needed to understand androgen regulation and develop safer treatments.
1 citations
,
October 2025 in “International Journal of Molecular Sciences” Mutating the gmds gene in zebrafish increases hair cell numbers and regeneration.
November 2022 in “Journal of the Endocrine Society” An 8-year-old boy's early puberty was caused by a rare hormone-secreting brain tumor, which was successfully treated with surgery.
9 citations
,
April 2007 in “Journal of Andrology” Excessive pre-ejaculation can be treated with certain medications.
8 citations
,
September 2024 in “BMC Genomics” circCFAP20DC helps goat ovarian cells grow, aiding follicle development.