2 citations
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June 2001 in “American Journal of Pathology” The document concludes that understanding how hair follicles naturally die and regenerate is important for insights into organ development and could impact health and disease treatment.
February 2024 in “medRxiv (Cold Spring Harbor Laboratory)” The study aims to understand how mood, physical activity, light exposure, and seasonal changes affect sleep patterns.
November 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Apoptotic cells may trigger cell death in hair follicles during their regression cycle.
22 citations
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April 2023 in “The Journal of Cell Biology” Calcium signaling in skin cells is crucial for communication and regeneration.
1 citations
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May 2024 in “Communications Biology” Dab2 protein is crucial for hair follicle stem cell renewal and preventing early aging.
7 citations
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June 2015 in “The anatomical record” Hexi cashmere goats' hair growth varies by stage, with Hoxc13 linked to hair activity.
January 2022 in “Figshare” Melatonin affects when and how goat hair follicle genes turn on and off during growth cycles.
2 citations
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December 2024 in “BMC Genomics” Key genes and pathways control sheep hair growth phases.
September 2017 in “Journal of Investigative Dermatology” Hair follicle cells change their DNA packaging during growth cycles and when grown in the lab.
835 citations
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October 2008 in “Nature Genetics” Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.
December 2025 in “Preprints.org” Aging dermal papilla cells can be reprogrammed for potential hair growth and skin repair.
October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.
32 citations
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April 2016 in “Journal of Investigative Dermatology” STAT5 activation is crucial for starting the hair growth phase.
1 citations
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April 2001 in “Biological Rhythm Research” Deuterium oxide extends the hair cycle duration in mice without changing hair structure.
36 citations
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October 1993 in “British Journal of Dermatology” Human hair follicles can grow in a lab for at least 9 days without serum, keeping their natural characteristics.
February 2025 in “International Journal of Molecular Sciences” RORA plays a key role in controlling seasonal hair molting by affecting hair follicle cell activity.
46 citations
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November 2007 in “Gene Expression Patterns” Trps1 plays a key role in hair follicle development and cycling.
1 citations
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November 2022 in “Journal of Investigative Dermatology” ALRN-6924 may prevent hair loss caused by chemotherapy.
56 citations
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January 1970 in “Cell and Tissue Research” 83 citations
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February 1977 in “PubMed” Increasing light exposure in winter can make mares ovulate and cycle earlier.
13 citations
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May 1993 in “International Journal of Dermatology” The paper suggests that telogen effluvium, a type of hair loss, may be a long-lasting condition triggered by stress or illness in people whose hair growth is unusually synchronized.
September 2022 in “Journal of Case Reports and Medical History” Many new moms lose hair after childbirth due to hormonal changes, but it usually grows back within a year.
154 citations
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October 1996 in “Proceedings of the National Academy of Sciences of the United States of America” Estrogen affects hair growth and skin cell multiplication.
November 1995 in “Journal of Pediatric Health Care” Most hair loss in kids and teens is due to common conditions, and hair usually grows back within 6 months.
October 2021 in “Research Square (Research Square)” Melatonin affects certain genes and pathways involved in cashmere goat hair growth.
Oxidized hair can naturally regain strength and stability over six months.
April 2023 in “Journal of Investigative Dermatology” ALRN-6924 can protect hair follicles from chemotherapy damage by temporarily stopping cell division.
3 citations
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August 2004 in “Veterinary Dermatology” Supplementing vitamins and minerals prevented hair loss in Icelandic horses.
101 citations
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March 2019 in “Cell Stem Cell” Certain immune cells in the skin release a protein that stops hair growth by keeping hair stem cells inactive.
1 citations
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January 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Weak cell junctions disrupt hair follicle stem cell rest.