Hairless mammals evolved quickly in both gene and non-gene areas related to skin and hair.
February 2023 in “Journal of dermatology” The first Japanese case of a genetic hair disorder caused by specific mutations in the LIPH gene was identified.
12 citations
,
February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
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.
41 citations
,
January 2001 in “Journal of Investigative Dermatology” Frizzy hair is fragile and can lead to hair loss and damage if not properly cared for.
27 citations
,
January 2000 in “Developmental Dynamics” Mutations in the Whn gene affect hair keratin gene expression differently.
March 2018 in “Journal of Experimental Biology” Hair curliness is caused by the arrangement and length of two different cell types.
November 2021 in “International journal of research - granthaalayah” The document suggests that human hair has electrical charges because of a gap in nerve cell coverage that affects electromagnetic radiation.
5 citations
,
January 2006 in “Indian Journal of Dermatology, Venereology and Leprology” Synthetic hairs are not recommended for use.
4 citations
,
March 2012 in “European journal of wildlife research” Wire brush snares are best for collecting Eurasian Lynx hair for DNA analysis.
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.
17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
June 2011 in “Journal of medicine and life science” Hizkia fusiforme seaweed extract can help promote hair growth.
10 citations
,
October 2020 in “Frontiers in Cell and Developmental Biology” Wounds can regenerate hair in young mice, but this ability declines with age, offering insights for improving tissue regeneration in the elderly.
5 citations
,
May 2024 in “BMC Genomics” Different genes affect hair length in yaks.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Removing MCPIP1 from myeloid cells in mice leads to hair loss and prevents skin tumors but causes pigmented spots.
17 citations
,
May 2018 in “BMC genomics” Researchers found genes and microRNAs that control curly fleece in Chinese Tan sheep.
January 2022 in “The Pan African medical journal” Hypertrichosis causes excessive hair growth and needs psychological support due to its impact on self-esteem.
3 citations
,
January 2004 in “Journal of Wildlife Diseases” A deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
194 citations
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November 2006 in “Science” A genetic mutation in the LIPH gene causes hair loss and growth defects.
A white-tailed deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
15 citations
,
December 1972 in “Journal of Investigative Dermatology”
77 citations
,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
4 citations
,
December 2020 in “Journal of the American Academy of Dermatology” Pulling 2 or fewer hairs is normal for all hair types, including Afro- and Asian-textured hair.
December 2022 in “The Turkish Journal of Pediatrics” Hair examination helps diagnose rare neurological diseases in children.
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.
Wheat bran promotes hair growth by helping hair cells multiply.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.