78 citations
,
June 2003 in “Journal of the American Academy of Dermatology” Curly hair shape is determined by the hair bulb.
June 2023 in “Livestock studies” The article concludes that understanding the molecular processes in hair follicle development can improve the quality of fibers like Angora and cashmere.
5 citations
,
September 2015 in “BMC Medical Genetics” The EDAR gene mutation leads to thinner and more deformed hair shafts.
April 2019 in “Journal of Investigative Dermatology” Calcium signals and SHH guide the direction of feather growth in chicken skin.
1 citations
,
March 1991 in “PubMed” Naevoid bundle hair is an unusual hair growth pattern where multiple hairs fuse together.
29 citations
,
April 2011 in “Journal of Microscopy” The modified osmium method improves hair cortex staining for better visualization.
November 2025 in “Journal of Investigative Dermatology” Disrupted cell interactions in hair follicles contribute to hair loss in androgenetic alopecia.
January 2019 in “Durham e-Theses (Durham University)” Less stiff collagen promotes higher cell growth in hair follicles.
4 citations
,
March 2016 in “Small ruminant research” Vicuña wool's quality is due to a high density of fine secondary hair follicles, and their skin glands may be used for communication.
October 2019 in “Skin appendage disorders” The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.
14 citations
,
June 2012 in “Stem Cells” TACE/ADAM17 is essential for maintaining healthy hair and hair follicle stem cells.
4 citations
,
October 2018 in “Experimental Dermatology” Dermoscopy shows that diffuse alopecia areata progresses through specific hair growth stages.
5 citations
,
January 2005 in “PubMed” Apoptosis is important in the hair cycle of dogs.
27 citations
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March 2018 in “Journal of Experimental Biology” Wool fibre curvature is due to longer orthocortical cells compared to paracortical cells.
May 2025 in “Apollo Medicine” Trichoscopy is a useful tool for diagnosing and assessing the severity of alopecia areata.
April 2017 in “Journal of Investigative Dermatology” A virus protein can activate a pathway that may lead to abnormal hair follicle development.
51 citations
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April 2013 in “Journal of Investigative Dermatology” Hair follicle stem cells rely on nearby blood vessels for their maintenance and function.
5 citations
,
October 2020 in “Experimental dermatology” A specific type of skin cell creates an opening for hair to grow out, and problems with this process can lead to skin conditions.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Changing the structure of the hair follicle's environment can affect hair quality but doesn't stop hair growth.
May 2024 in “British journal of dermatology/British journal of dermatology, Supplement” Hair follicles in androgenetic alopecia age faster, especially in the front.
36 citations
,
September 1996 in “PubMed” DP and DS cells are different from DF cells in structure and function.
11 citations
,
January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
53 citations
,
September 2011 Other common signs, not just the well-known immune cells around hair bulbs, are important for diagnosing hair loss from alopecia areata.
4 citations
,
October 2018 in “Cell Stem Cell” Hox genes control hair growth patterns in mammals by regulating stem cell activity in the skin.
ARHGEF3 is essential for proper hair follicle development.
October 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Scientists used a special imaging technique to observe that hair follicle regeneration involves cell division and structural changes, mostly in the lower part of the follicle, and that the dermal papilla at the base is crucial for regrowth.
January 2025 in “Medical Research Archives” A new classification and scoring system is needed for alopecia areata to better assess severity.
109 citations
,
June 2000 in “Development” Notch pathway activation causes abnormal hair layer development.
13 citations
,
July 2004 in “Pediatric dermatology” A new severe form of monilethrix syndrome includes hair loss, scalp itching, cataracts, and distinct facial features.
13 citations
,
August 1995 in “Australasian Journal of Dermatology” Hair follicles are smaller in people with androgenetic alopecia compared to those with normal scalps.