68 citations
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April 1965 in “General and Comparative Endocrinology” The pituitary gland controls seasonal fur color changes in weasels.
1 citations
,
July 2017 in “Skin appendage disorders” A 9-year-old Hispanic girl has Uncombable Hair Syndrome, which may improve with age and biotin treatment.
8 citations
,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
22 citations
,
January 2006 in “Journal of Structural Biology” Hair follicles form hard α-keratin filaments in four steps, showing structural differences.
15 citations
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January 1991 in “Mammalian Genome”
9 citations
,
July 2019 in “Folia Morphologica” Brandt's hedgehog has thick skin on its back and many glands near its nostrils.
48 citations
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August 1998 in “Developmental Biology” Deleting part of a gene in mice causes wavy hair and high pup loss.
9 citations
,
December 2014 in “British Journal of Dermatology” Hedgehog pathway inhibitors used for skin cancer can cause significant hair loss, which may improve after stopping the medication.
September 2023 in “British Journal of Dermatology” Some cases of short anagen hair syndrome are linked to specific genetic variations that are also connected to male pattern baldness.
February 2026 in “Veterinary Dermatology” Coat-type differences in Pomeranians affect Alopecia X diagnosis and treatment.
61 citations
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February 1997 in “Differentiation” Hair differentiation starts earlier than thought, involving multiple type-II keratins.
3 citations
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July 2019 in “Fibers And Polymers/Fibers and polymers” 23 citations
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July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
12 citations
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May 2003 in “Journal of dermatological science” Hsc70 protein may influence hair growth by responding to androgens.
January 2014 in “Elsevier eBooks” The study concluded that genetic mutations affect human hair diseases and identified key genes and pathways involved in hair growth and cycling.
26 citations
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December 2020 in “Genes” A combination of IGF-1 and EGF promotes hair growth in Angora rabbits.
January 2006 in “DOAJ (DOAJ: Directory of Open Access Journals)” Loose anagen hair syndrome causes easily pulled, thin hair in kids but is harmless and temporary.
19 citations
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December 2008 in “Journal of The American Academy of Dermatology” The authors suggest that a new type of hair loss exists, which is different from alopecia areata.
8 citations
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November 2017 in “Journal of Investigative Dermatology” AGA linked to inflammation, stress, fibrosis, and disturbed hair follicle stem cells.
94 citations
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February 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” EGF makes hair follicles grow longer but stops hair production.
Hair growth is controlled by cell interactions and influenced by specific growth factors and hormones.
July 2023 in “International journal of physiology” Hypertrichosis lanuginosa causes excessive fine hair growth, often linked to genetics or cancer, with limited treatment options.
5 citations
,
August 2005 in “Anatomy and Embryology” Rat skin has a linear system of nerve fibers linked to hair follicles and muscles.
196 citations
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March 2016 in “Nature Communications” Genetic factors influence hair traits like shape, color, and greying in Latin Americans.
46 citations
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June 2013 in “Journal of structural biology” High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.
January 2021 in “Research Square (Research Square)” Rabbits with high wool production have more hair follicles, influenced by specific long noncoding RNAs.
5 citations
,
November 2011 in “Journal of Cutaneous Medicine and Surgery” Hairless dogs can be used to study human hypertrophic scars.
TGF-β1 and 2 in hair follicles may be linked to hair loss in AGA.
January 2009 in “China Practical Medicine” Certain genes help dermal papillae cells in hair follicles grow and group together.
6 citations
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January 1994 in “PubMed” The molecular mechanisms controlling hair growth phases are not fully understood yet.