Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
3 citations
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August 2013 in “Stem cells” Certain inhibitors applied to the skin can promote hair growth by maintaining a key hair growth signal.
31 citations
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November 1965 in “Journal of Mammalogy” The pituitary gland is crucial for normal mink fur cycles.
1 citations
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January 1963 in “The Anatomical Record” Glyceride levels in mouse skin are higher during hair growth.
13 citations
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January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
July 2022 in “Indian Journal of Otology” A rare ear-area hair cyst was successfully removed from a 10-year-old boy.
1 citations
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October 1996 in “Dermatologic clinics” Adiponectin reduces inflammation and bone loss in joint replacements.
6 citations
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June 1981 in “PubMed” Whisker hair in young people might predict severe future hair loss.
December 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” MCPIP1 in myeloid cells is important for skin cancer development and healthy hair growth.
6 citations
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December 2011 in “Clinical and Experimental Dermatology” A woman developed rare, unexplained curly hair on her scalp and eyelashes.
33 citations
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June 2017 in “Developmental Biology” Mice can correct hair follicle orientation without certain genes, but proper overall alignment needs those genes.
57 citations
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August 2002 in “American Journal Of Pathology” Cathepsin L deficiency causes hair and skin issues in mice.
24 citations
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January 2003 in “Journal of Investigative Dermatology” Blocking a specific receptor slows down hair loss in mice.
17 citations
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May 2018 in “BMC genomics” Researchers found genes and microRNAs that control curly fleece in Chinese Tan sheep.
Hair feels different when touched and rubs together in various ways.
17 citations
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June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
March 2026 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Corkscrew hairs can help diagnose trichotillomania.
8 citations
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April 2012 in “Laser Physics Letters” Antiseptic particles penetrate deeper into hair follicles than non-antiseptic ones.
December 2025 in “British Journal of Dermatology”
53 citations
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November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
1 citations
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May 2024 in “Preprints.org” Rex rabbit fur is best harvested at 120 days for optimal hair density and quality.
37 citations
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January 1997 in “Journal of Pharmaceutical Sciences” Hairless rats absorb substances through their skin more easily than hairy rats.
12 citations
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November 1945 in “Archives of dermatology” Transplanted skin on hooded rats often grows white hair instead of black.
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December 2010 in “대한의생명과학회지” Hair growth after depilation increases skin thickness, mast cell counts, and cell activity.
2 citations
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August 2016 in “Lasers in Surgery and Medicine” Photodynamic therapy can remove nonpigmented hair in mice and might work for humans.
1 citations
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September 2024 in “Veterinary Dermatology” Trichography is important for diagnosing hair fragility in Pomeranian dogs with hair cycle issues.
April 2016 in “Journal of Investigative Dermatology” Wnt ligands, produced by dermal papilla cells, are essential for adult hair growth and regeneration.
Pashmina goats produce long hair-fiber due to specific gene expressions related to hair growth.
170 citations
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January 2010 in “animal” Hair follicle growth and fiber production in animals are influenced by chemical signals, proteins, pigmentation, genetics, and nutrients.
September 1973 in “Primates”