April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Gap junctions help control feather pattern formation by enabling cell communication.
30 citations
,
February 2015 in “Anais Brasileiros de Dermatologia” Trichoscopy is useful for diagnosing Netherton syndrome in children with skin issues.
Otter rabbit, mink, and blue fox fur can be identified by their unique hair structures.
February 2025 in “Indian Dermatology Online Journal” Sports influence skin condition names and help in diagnosis and treatment.
39 citations
,
February 1990 in “The journal of cell biology/The Journal of cell biology” Trichohyalin, a hair follicle protein, has a part with repeating patterns of 23 amino acids.
23 citations
,
July 1994 in “Journal of Dermatological Science” Pili torti hair twists due to uneven outer root sheath cell development.
88 citations
,
March 2004 in “Journal of Investigative Dermatology” 1 citations
,
March 2024 in “Pathogens” Beau's lines on nails may indicate severe COVID-19 or vaccination response.
9 citations
,
June 2017 in “American journal of ophthalmology. Case reports” A new mutation in the CDH3 gene causes hair loss and vision problems in a young girl.
75 citations
,
October 2010 in “Mammalian genome” Sphynx cats are hairless and Devon Rex cats have curly hair due to specific genetic mutations.
12 citations
,
November 2014 in “PLOS Computational Biology” The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.
October 2021 in “Journal of Investigative Dermatology” Dkk4 protein is necessary for the proper development and arrangement of hair follicles.
October 2018 in “Deep Blue (University of Michigan)” Hair follicle development involves specific cells and genes, crucial for understanding severe skin diseases like harlequin ichthyosis.
4 citations
,
January 2020 in “Skin appendage disorders” A woman with an unusual pattern of hair loss was confirmed to have Frontal Fibrosing Alopecia and treated with specific medications.
74 citations
,
April 2017 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Researchers found three patterns of Frontal fibrosing alopecia, with Pattern III having the best prognosis after treatment.
October 2025 in “JMIR Dermatology” Exclamation-mark hairs and yellow dots indicate alopecia areata, while follicular ostia loss and white scarring indicate lichen planopilaris and discoid lupus erythematosus.
August 2016 in “Journal of the American Academy of Dermatology” The infant likely has Hay-Wells syndrome and needs genetic testing and heart screening.
November 2021 in “Skin appendage disorders” Self-induced hair loss should be considered in patients with androgenetic alopecia.
4 citations
,
October 2011 in “Pediatric dermatology” Head lice can cause unusual patchy hair loss.
28 citations
,
January 2012 in “Case Reports in Medicine” Hair-thread Tourniquet Syndrome, where hair or thread tightly wraps around a body part, is not rare and requires early detection to prevent serious damage.
7 citations
,
January 1959 in “Canadian Journal of Chemistry” Human and horse hair have similar end groups to wool and feathers.
288 citations
,
June 2009 in “Human reproduction update” The modified Ferriman-Gallwey method is a useful tool for diagnosing hirsutism.
33 citations
,
August 2008 in “American Journal Of Pathology” Hedgehog signaling is essential for normal sebaceous gland development and affects keratin 6a expression.
39 citations
,
January 2011 in “Archives of Dermatology” Reflectance confocal microscopy confirms that yellow dots are signs of damaged hair follicles in alopecia areata.
January 2001 in “대한피부과학회지” Horizontal sectioning helps diagnose hair loss, but Korean follicle differences matter.
January 2017 in “日本皮膚科学会雑誌”
September 2016 in “Journal of Dermatological Science” Certain gene mutations in Japanese people are linked to different types of hair loss, with some causing mild hair thinning and others leading to complete baldness.
August 2024 in “Journal of Small Animal Practice” A cat lost hair on its back a month after a road accident, despite no initial skin injuries.
8 citations
,
March 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” The near-naked hairless mutation causes hair loss but is not due to a mutation in the hairless gene itself.
55 citations
,
November 2018 in “American journal of human genetics” Mutations in the LSS gene cause a rare type of hereditary hair loss.