November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
52 citations
,
August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
The curly mutation in SELH/Bc mice affects hair and may help study human genetic disorders.
22 citations
,
May 2019 in “Animals” High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
95 citations
,
October 2007 in “International Journal of Dermatology” A new method accurately classifies hair types, showing global hair diversity.
A six-year-old girl with extra hair on her elbows was treated with hair removal methods.
May 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A mutation in the KRT74 gene causes woolly hair by affecting hair texture.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
48 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
18 citations
,
January 2015 in “Journal of medical genetics” New genes linked to woolly hair have been found, which could help treat it and change hair texture.
October 2015 in “Cosmetic Dermatology” Hair is complex, varies in type, and plays a big role in attractiveness and culture.
December 2019 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Donkey and horse hair have different microscopic structures, which can help tell them apart.
January 2015 in “Chinese Veterinary Science” Recognizing ultrastructures of cashmere goat hair follicles helps identify and locate follicle layers.
16 citations
,
January 1977 95 citations
,
January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
6 citations
,
December 2018 in “International Journal of Cosmetic Science” CARB is a strong barrier in human hair that prevents dye penetration.
254 citations
,
January 2007 in “Chemical Society Reviews” Hair is a complex protein fiber with unique properties useful for developing hair products.
May 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A mutation in the KRT74 gene causes woolly hair by affecting hair texture.
1 citations
,
January 2018 in “International Journal of Trichology” Circle hairs are harmless, spiral-shaped body hairs that don't need medical treatment.
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.
16 citations
,
November 2022 in “eLife” Both gene and non-gene areas of DNA evolved to make some mammals hairless.
15 citations
,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
18 citations
,
August 2018 in “The FASEB journal” Rabbits lacking the Hoxc13 gene show similar hair and skin issues to humans with ECTD-9, making them good for research on this condition.
20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
90 citations
,
January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
245 citations
,
January 1998 in “Genes & Development” Hoxc13 gene is essential for hair, nail, and papilla development.
61 citations
,
February 1982 in “Cell and Tissue Research”
12 citations
,
November 1987 in “Pediatric dermatology” Four children had unmanageable pale blond hair due to uncombable-hair syndrome.
3 citations
,
March 2009 in “Hirosaki University Repository for Academic Resources (Hirosaki University)” Hirosaki hairless rats have sparse, twisted hair due to missing hair keratin genes.