May 2024 in “Frontiers in medicine” A genetic mutation in the LIPH gene causes tightly curled hair that stops growing in some Japanese individuals.
6 citations
,
January 1997 in “Medical Mycology” The fungus Piedraia hortae damages hair by slowly breaking down its layers, leading to long-lasting infection.
Recognizing bamboo hair helps diagnose Netherton’s syndrome.
2 citations
,
January 2018 in “International Journal of Biochemistry & Physiology” Wnt genes help starfish regrow arms by aiding wound healing and cell development.
6 citations
,
July 2017 in “Clinical and Experimental Dermatology” Four new cases confirmed the unique features of follicular porokeratosis.
December 2025 in “Clinical Case Reports” Netherton syndrome causes skin and hair issues, confirmed by "bamboo hair" under dermoscopy, with no cure but managed with topical treatments.
Vogt–Koyanagi–Harada disease can cause rare hair growth on normally hairless thumb skin.
January 2024 in “International Journal of Advanced Research” Topical 6% salicylic acid effectively reduced skin plaques in a patient with wooly hair and palmoplantar keratoderma.
January 1999 in “Journal of the European Academy of Dermatology and Venereology” RAPK is a rare skin disorder with pigmented spots, mainly on hands and feet, starting in youth.
38 citations
,
March 2010 in “Medicine” Most patients with Porphyria Cutanea Tarda had skin blisters and were often affected by hepatitis C and alcohol abuse, with differences between familial and sporadic cases.
1 citations
,
March 2023 in “Frontiers in Cardiovascular Medicine” A specific gene variant is linked to heart disease, increased heart muscle, curly hair, and thick skin on palms and soles.
February 2024 in “Journal of Cellular and Molecular Medicine” A hydrogel releasing pectolinarin speeds up wound healing and reduces scarring.
7 citations
,
April 2000 in “Mammalian Genome” A new mutation in mice causes crooked whiskers and messy hair.
8 citations
,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
50 citations
,
September 2012 in “Developmental Biology” Sprouty and FGF balance is crucial for normal feather shape and size.
15 citations
,
May 2003 in “The Laryngoscope” FGF-1 causes spiral ganglion neurites to branch more.
2 citations
,
January 2024 in “European Journal of Case Reports in Internal Medicine” Beau's lines on fingernails might indicate past severe COVID-19 and risk of reinfection.
13 citations
,
January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
7 citations
,
May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
16 citations
,
April 2012 in “Journal of mammalogy” Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
21 citations
,
April 2019 in “Clinical, cosmetic and investigational dermatology” The document concludes that stopping shaving or removing affected hair can alleviate Pseudofolliculitis barbae (PFB).
3 citations
,
September 2021 in “Journal of Clinical Medicine” Epidermal signaling helps regenerate fingertip tissue.
16 citations
,
August 2014 in “Colloids and surfaces. B, Biointerfaces” Lipid-coated silica nanoparticles penetrate human skin more deeply than bare silica nanoparticles.
66 citations
,
June 2004 in “Development” FGF signaling is crucial for starting feather development in chicken embryos.
October 2017 in “Journal of Investigative Dermatology” Pemphigus vulgaris involves specific immune cells and B cells that produce antibodies causing skin blisters.
8 citations
,
January 2018 in “Science of the total environment” Australian fur seals' fur shows high levels of pollutants, which may be linked to hair loss in young female seals.
1 citations
,
April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Climate-related nutritional stress may cause hair loss in juvenile male Guadalupe fur seals.
1 citations
,
July 2023 in “Journal of developmental biology” Bird foot scales develop differently and can repair but not fully regenerate due to the lack of specialized stem cell areas.
39 citations
,
November 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Fatp4 is crucial for healthy skin development and function.
20 citations
,
May 2013 in “International Journal of Molecular Medicine” Researchers found a new gene variant linked to a rare bone disease, which doesn't always cause symptoms in carriers.