January 1974 in “OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)” Oxidative stress causes hair graying by damaging hair follicle melanocytes more than skin melanocytes.
October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.
April 2017 in “Journal of Investigative Dermatology” A boy with Oculodentodigital syndrome had a unique GJA1 gene mutation causing his symptoms.
March 2025 in “International Journal of Molecular Sciences” The study created a mouse model to better understand hair follicle stem cells' role in hair growth and repair.
April 2018 in “Journal of Investigative Dermatology” DNMT3A is crucial for healthy skin and hair growth.
5 citations
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January 1996 in “Theriogenology” January 2026 in “Neuroscience Applied” Hair cortisol levels decrease as children age, stabilizing around age 4.
Understanding hair follicle communication can help treat hair loss.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Deleting the Hoxc13 gene in frogs shows its crucial role in developing skin structures similar to hair.
47 citations
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April 2000 in “Experimental Dermatology” A new gene mutation causes a rare type of hair loss.
February 2022 in “Authorea (Authorea)” PAON shows skin patterns due to genetic mosaicism.
5 citations
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September 2023 in “Pediatric Research”
52 citations
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October 2012 in “Journal of Dermatological Science” The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.
3 citations
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July 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Zebrafish regenerate sensory hair cells through three phases, offering insights for potential mammal applications.
4 citations
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April 2002 in “Medical Hypotheses” Hormones cause hair loss by affecting cell growth and weakening cell attraction.
12 citations
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July 2019 in “Veterinary Dermatology” Nestin-expressing progenitor cells become outer root sheath keratinocytes.
January 2012 in “Zhongguo nongye Kexue” The technology can create transgenic cashmere goats with improved wool quality.
August 2025 in “Journal of Pediatric Endocrinology and Metabolism” A rare ovarian tumor in a 2-year-old girl was successfully removed, normalizing her hormone levels.
51 citations
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May 2021 in “Nature Communications” High proliferation and cell delamination drive early skin development, while later stages may not rely on cell division orientation.
35 citations
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April 2021 in “Current Biology” March 2016 in “The Journal of Urology” The discovery of 5α-reductase deficiency in guevedoces led to the development of important urologic medications.
October 2023 in “University of Zadar Institutional Repository” Androgenetic alopecia is a common genetic and hormonal hair loss affecting many men and women.
31 citations
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November 1965 in “Journal of Mammalogy” The pituitary gland is crucial for normal mink fur cycles.
138 citations
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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.
160 citations
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January 2014 in “Seminars in cell & developmental biology” Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.
September 1984 in “Journal of Biological Education” Human hair growth involves active, resting, and intermediate phases, and examining plucked hairs can teach students about hair biology and diseases.
22 citations
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April 2015 in “Current problems in dermatology” Human hair follicles have a unique metabolism that changes between growth stages and may contribute to baldness.
430 citations
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July 2002 in “Journal of Endocrinology” The hypothesis suggests that PCOS may start early in life due to genetic and environmental factors, influencing future reproductive and metabolic problems.
May 2020 in “Research Square (Research Square)” The study identified key genes that align with the cashmere growth cycle in goats, which could help improve cashmere production timing.
173 citations
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August 2015 in “Developmental cell” The study identified unique genes in hair follicle cells and their environment, suggesting these genes help organize cells for hair growth.