January 2016 in “Korean Journal of Pharmacognosy” Grateloupia elliptica, a type of marine algae, may promote hair growth by activating a specific cell growth pathway.
The curly mutation in SELH/Bc mice affects hair and may help study human genetic disorders.
8 citations
,
February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
3 citations
,
January 2019 in “Jikken doubutsu ihou/Jikken doubutsu/Experimental animals/Jikken Dobutsu” Pigs without the Hairless gene showed skin and thymus changes, useful for studying human hair disorders.
3 citations
,
January 2021 in “Veterinary dermatology” A litter of cats had a hair condition similar to a mouse mutation, leading to hair loss and abnormal hair and skin.
October 2022 in “Hair Transplantation” Temporary scalp trichopigmentation creates a shaved hair look on the scalp using pigments that fade over time.
9 citations
,
January 1989 in “Journal of Small Animal Practice” Abyssinian cats can have a hair abnormality that makes their coat look rough and dull.
21 citations
,
April 1982 in “Genetics Research” Mice with the naked gene have missing or abnormal hair cells.
1 citations
,
September 2003 in “CRC Press eBooks” Hair is important for social and sexual communication in humans.
39 citations
,
January 2020 in “Frontiers in Genetics” PDGFC gene may help select goats with desirable curly wool traits.
11 citations
,
June 2012 in “Acta histochemica” Mice with a Gsdma3 gene mutation have thicker skin and longer hair follicle openings due to increased β-catenin levels.
11 citations
,
April 2020 in “Life sciences” Pantothenic acid helps mink hair follicles grow by affecting certain cell signals.
211 citations
,
February 1994 in “Proceedings of the National Academy of Sciences” Too much parathyroid hormone-related protein in skin disrupts hair growth in mice.
17 citations
,
June 1990 in “PubMed” Hair varies in size and features depending on body region.
7 citations
,
August 2017 in “PloS one” Key genes linked to hair growth and cancer were identified in hairless mice.
12 citations
,
January 2013 in “Indian dermatology online journal” The document reports a unique case of woolly hair with a combination of conditions not previously seen together.
193 citations
,
May 2008 in “Development” Activating β-catenin can turn skin cells into hair follicles.
28 citations
,
January 1985 in “Journal of the American Academy of Dermatology” A girl with citrullinemia developed pili torti, suggesting a link between the hair condition and the metabolic disorder.
41 citations
,
October 2008 in “The American journal of pathology” Blocking a specific protein signal can make hair grow on mouse nipples.
143 citations
,
October 2008 in “Journal of The American Academy of Dermatology” Comma hairs are a specific sign of tinea capitis when viewed with videodermatoscopy.
January 2008 in “Medical Entomology and Zoology”
December 2022 in “Scientific Reports” Stem cells from whiskers can be transplanted to stimulate hair growth.
23 citations
,
May 2005 in “British Journal of Cancer” Plucked human hair can be used to study drug effects on certain cell markers.
January 1980 in “Journal of the Japan Veterinary Medical Association” Iodine deficiency in sows likely caused hair loss in newborn piglets.
December 2004 in “Reproduction Fertility and Development” Porcine hair follicles are useful for studying keratinocyte function, with galectin-1 as a potential stem cell marker.
73 citations
,
June 2006 in “Animal genetics” The FGF5 gene determines hair length in dogs.
22 citations
,
May 2004 in “Tissue Engineering” PGA fiber-reinforced collagen sponges improve hair growth and skin structure.
2 citations
,
March 1977 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.
July 2025 in “Journal of Investigative Dermatology” Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.
16 citations
,
November 2022 in “eLife” Both gene and non-gene areas of DNA evolved to make some mammals hairless.