Knocking out the FGF5 gene in sheep increased wool production and hair-follicle density.
6 citations
,
January 2009 in “Elsevier eBooks” The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.
November 2022 in “Journal of Investigative Dermatology” The medicine Cyclosporin A might cause excessive hair growth by reducing a protein that controls hair growth.
September 2017 in “Journal of Investigative Dermatology” Hair follicle cells change their DNA packaging during growth cycles and when grown in the lab.
June 1995 in “Archives of Dermatology” A woman's hair loss was due to trichotillomania, which is often misdiagnosed and can require different treatments based on age and underlying conditions.
9 citations
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November 2013 in “BMC Pharmacology and Toxicology” Suppressing eIF4E can prevent hair loss from chemotherapy.
2 citations
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October 2017 in “Revista Da Associacao Medica Brasileira” Removing p16INK4a from skin cells can lead to faster and more clumped growth, which might help with hair growth.
2 citations
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June 1994 in “Der Hautarzt” DNA-flowcytometry is a reliable method to evaluate hair growth in androgenetic alopecia.
January 2021 in “Journal of clinical and cosmetic dermatology” Human skin responds to light with protective mechanisms, but more research is needed to understand these processes and their implications for health and therapy.
18 citations
,
January 2020 in “Ecology and evolution” Genes related to pigmentation, body rhythms, and behavior change during hares' seasonal coat color transition, with a common genetic mechanism in two hare species.
April 2024 in “Archiv EuroMedica” Platelet-Rich Plasma therapy helps increase hair density and regrowth for some types of hair loss.
277 citations
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July 2011 in “Journal of the Dermatology Nurses’ Association” The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.
31 citations
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March 2017 in “Journal of The American Academy of Dermatology” Some breast cancer patients developed permanent hair loss after chemotherapy and hormonal therapy, showing patterns similar to common baldness and alopecia areata.
22 citations
,
September 2000 in “Journal of Investigative Dermatology” μ-Crystallin may help hair growth by affecting thyroid hormone levels in mouse hair follicles.
21 citations
,
November 2011 in “Veterinary Pathology” Mouse skin color ranges from pink to black, depending on their hair growth cycle.
16 citations
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August 1967 in “JAMA” Oral contraceptives may cause hair loss in women.
15 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Retinoids can change the hair growth cycle by extending the growth phase and shortening the rest phase.
7 citations
,
January 2020 in “Scientific Reports” Rabbit skin analysis showed changes in hair growth and identified miRNAs that may regulate hair follicle development.
6 citations
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January 1994 in “PubMed” The molecular mechanisms controlling hair growth phases are not fully understood yet.
5 citations
,
November 2009 in “Revista médica de Chile” Hair growth cycles in Chileans vary seasonally, with more hair resting in summer and growing in winter.
January 2018 in “Springer eBooks” Telogen effluvium is hair loss caused by disruption of the normal hair cycle.
April 2012 in “Cancer Research” EGFR deficiency in skin causes hair follicle issues and inflammation.
January 2012 in “Journal of Northwest A & F University” The Eda gene helps regulate the hair cycle in goats.
January 2007 in “Elsevier eBooks” Alopecia areata is a reversible, autoimmune-related hair loss that can have significant emotional impact and uncertain treatment effectiveness.
4 citations
,
March 2021 in “International Journal of Dermatology” COVID-19 and related stress may increase hair loss known as Telogen effluvium.
4 citations
,
May 1999 in “PubMed” Some medications can cause reversible hair loss by affecting hair growth cycles.
3 citations
,
January 2014 in “Ophthalmic plastic and reconstructive surgery” Removing part of the eyelid usually doesn't change the number of eyelashes.
2 citations
,
July 2004 in “Cell Biology International” uPA helps hair follicle cells grow.
1 citations
,
July 2020 in “Revista Cereus” Using growth factors with microneedling is effective for treating hair loss.
1 citations
,
September 2012 in “Journal of Investigative Dermatology” Aging reduces stem cell activation, leading to hair loss in mice lacking a specific enzyme.