63 citations
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October 2011 in “Archives of Dermatology” Isolated long hairs at the original hairline can help diagnose Frontal Fibrosing Alopecia.
3 citations
,
June 1979 in “The Journal of Dermatology” Glycosaminoglycan levels peak early in hair growth and decrease as the cycle progresses.
1 citations
,
November 2014 in “Journal of Biomedical Optics” Reflectance spectroscopy can noninvasively track hair growth stages by measuring skin reflectance and melanin changes.
192 citations
,
October 1998 in “Experimental Dermatology” Androgenetic alopecia involves complex hair follicle changes and knowledge gaps remain.
17 citations
,
June 1997 in “Baillière's clinical obstetrics and gynaecology” Scientists now better understand how human hair growth is controlled, including the roles of specific genes and proteins.
January 2025 in “British Journal of Dermatology” Long scalp hair evolved for cooling and social signaling.
February 1990 in “PubMed” Higher DHEA-S levels in hirsute females affect hair growth phases.
3 citations
,
September 2019 in “Clinical and experimental dermatology” Basal cell carcinomas may differentiate similarly to hair follicles and could be influenced by hair cycle-related treatments.
26 citations
,
October 1996 in “Journal of Endocrinology/Journal of endocrinology” Goat hair follicles have insulin-like growth factor-I receptors that might affect hair growth, but no melatonin receptors were found.
October 1990 in “Archives of Dermatology” Hair loss and growth can be accurately measured using computer-assisted counting.
November 2005 in “Hair transplant forum international” It's not possible to get unlimited hair for transplants from the same donor area.
7 citations
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November 2014 in “Histochemistry and Cell Biology” The we/we wal/wal mice have defects in hair growth and skin layer formation, causing hair loss, useful for understanding alopecia.
211 citations
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April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
18 citations
,
March 2009 in “Experimental Dermatology” Pilomatricoma can develop into various hair-related structures.
47 citations
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April 2000 in “Experimental Dermatology” A new gene mutation causes a rare type of hair loss.
1 citations
,
July 2023 in “Cureus” A rare hair disorder with multiple hairs from one follicle was found on a patient's abdomen.
11 citations
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January 2013 in “Methods in molecular biology” The method allows for 3D tracking of hair follicle stem cells and shows they can regenerate hair for up to 180 days.
23 citations
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April 2002 in “Journal of the American Academy of Dermatology” Depigmented hair regrowth after alopecia areata can be permanent.
1 citations
,
January 2007 in “AIP conference proceedings” High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
81 citations
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September 2009 in “Birth defects research” Different body areas in mice produce different hair types due to interactions between skin layers.
November 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Keratin 79 cells help form and regenerate hair canals.
22 citations
,
October 1996 in “Dermatologic clinics” Understanding intermediate filaments helps explain hair health and related diseases.
January 2019 in “Global Dermatology” Genetic hair shaft abnormalities can be seen with microscopes and often affect scalp hair.
2 citations
,
June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
1 citations
,
January 2020 in “Indian Dermatology Online Journal” Pigtail hair is a sign of new hair growth and should be recognized in hair loss conditions like acute telogen effluvium.
29 citations
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April 2003 in “Experimental dermatology” Human hair follicles grown in vitro maintain normal keratin patterns and structure.
1 citations
,
September 2019 in “Journal of Investigative Dermatology” Human hair matrix cells and dermal papilla fibroblasts can form early hair follicle structures but don't produce hair shafts yet.
Hair follicles can be used to quickly assess drug effects in cancer treatment.
14 citations
,
January 1988
December 2011 in “British Journal of Dermatology” As women age, they experience changes in hair density and volume, face challenges in distinguishing normal hair loss from disease, and have limited access to treatments for hair issues.