17 citations
,
June 2001 in “Journal of the National Cancer Institute” A specific hair diffraction pattern may indicate breast cancer if tested with the correct method.
2 citations
,
August 2023 in “Development” Hair follicles in the back of the rosette fancy mouse have reversed orientations due to a gene mutation.
December 2023 in “Animal research and one health” Certain circular RNAs are crucial for wool growth and curvature in goats.
11 citations
,
November 2005 in “The Journal of Dermatology” A man's crushed thumb caused unusual horizontal nail ridges on all fingers of one hand.
4 citations
,
December 1992 in “The American Journal of Cosmetic Surgery” The modified S pattern for scalp reduction is effective for removing more bald scalp and hiding scars in hair restoration.
August 2020 in “Textile research journal” The model helps understand how wool fiber structure affects its strength and flexibility.
April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Gap junctions help control feather pattern formation by enabling cell communication.
62 citations
,
December 2008 in “Journal of structural biology” Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
10 citations
,
December 2021 in “Frontiers in cell and developmental biology” The research identified genes that explain why some sheep have curly wool and others have straight wool.
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
18 citations
,
January 1965 in “Stain Technology” 1 citations
,
June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
8 citations
,
May 2024 in “PLoS Biology” Gap junctions help control feather pattern formation in chickens.
3 citations
,
September 2018 in “Journal of Structural Biology” Oxidized trichocyte keratin has a helical dislocation in its structure.
29 citations
,
February 1989 in “Journal of Cutaneous Pathology” A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
7 citations
,
October 1963 in “Textile Research Journal” Merino wool fibers change shape with moisture, while human hair shape stays the same.
127 citations
,
December 2007 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.
149 citations
,
July 2017 in “PLoS Biology” Hair follicle patterns form through a mix of self-organization and signaling interactions.
September 2015 in “The European physical journal. E, Soft matter and biological physics/The European physical journal. E, Soft matter” Longer time setting curls overnight leads to better curl retention.
2 citations
,
May 2020 in “Journal of the American Academy of Dermatology” Hair shaft changes may be linked to CCCA, but their role is unclear.
1 citations
,
August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
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.
September 2025 in “Animals” Key circRNAs play a role in wool follicle development, aiding in breeding better quality wool sheep.
16 citations
,
October 1992 in “Journal of cutaneous pathology” Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
47 citations
,
May 2012 in “Wiley Interdisciplinary Reviews-Developmental Biology” The conclusion is that understanding how feathers and hairs pattern can help in developing hair regeneration treatments.
8 citations
,
December 2017 in “Small Ruminant Research” Variation in the TCHH gene affects wool curliness in sheep.
March 2018 in “Journal of Experimental Biology” Hair curliness is caused by the arrangement and length of two different cell types.
13 citations
,
October 2008 in “PubMed” Japanese women's curved hair has an uneven internal structure and varying amino acid composition.
13 citations
,
May 2004 in “Facial Plastic Surgery Clinics of North America” Surgeons need to understand natural hair patterns for better hair restoration results.
20 citations
,
September 2021 in “Nature communications” Cat color patterns are determined early in development by gene expression and epidermal changes, with the Dickkopf 4 gene playing a crucial role.