February 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Tandem repeats significantly influence hair color, especially darker shades, across different ancestries.
2 citations
,
March 2017 in “Sultan Qaboos University medical journal” An infant had two different natural hair colors on the scalp with no health issues.
1 citations
,
August 2019 in “Journal of Investigative Dermatology” PRDX5 enzyme may contribute to alopecia areata by affecting oxidative stress and autoimmunity.
1 citations
,
August 2011 in “Dermatology Reports” Two siblings were found to have a genetic condition causing progressive hair loss and woolly hair, which may often be misdiagnosed.
2 citations
,
July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
6 citations
,
May 2012 in “Archives of Dermatological Research” A new mutation in the HR gene is linked to a rare form of hair loss with limb deformities.
21 citations
,
June 2009 in “Mammalian genome” A new mutation in the Hr gene causes hair loss in mice, similar to a human hair disorder.
12 citations
,
November 1987 in “Pediatric dermatology” Four children had unmanageable pale blond hair due to uncombable-hair syndrome.
12 citations
,
January 2013 in “Indian dermatology online journal” Dermatopathia pigmentosa reticularis causes skin discoloration, hair loss, and nail problems.
98 citations
,
June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
14 citations
,
June 2013 in “Anais Brasileiros de Dermatologia” Follicular red dots may be a normal feature seen in people with less skin pigmentation, not necessarily indicating a scalp disorder.
1 citations
,
January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Increased PHGDH expression causes early melanin buildup in hair follicles.
7 citations
,
January 2021 in “Frontiers in genetics” Inherited color dilution in rabbits is linked to DNA methylation changes.
October 2019 in “European Journal of Dermatology” The boy's hair and skin color differences are due to a pigmentation disorder.
January 2019 in “DSpace@MIT (Massachusetts Institute of Technology)” Higher PHGDH levels cause unusual melanin buildup in hair follicles.
11 citations
,
September 2010 in “American Journal of Medical Genetics - Part A” A Turkish family with sparse hair and eyebrow loss has a mutation in the U2HR gene linked to Marie Unna hereditary hypotrichosis.
2 citations
,
March 2010 in “European journal of dermatology/EJD. European journal of dermatology” A young Caucasian girl had both woolly hair and alopecia areata, which is rare.
April 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” A gene variant causes patched hair loss in mice, similar to alopecia areata in humans.
2 citations
,
October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Lemur hair color and density vary by environment, supporting theories on primate hair evolution.
April 2012 in “Development” Rac1 is crucial for normal hair structure and pigmentation.
37 citations
,
October 2006 in “Archives of Biochemistry and Biophysics” A unique gene mutation causes vitamin D-resistant rickets without causing hair loss.
January 2008 in “HAL (Le Centre pour la Communication Scientifique Directe)” The mutant HR bmh protein affects hair follicle formation by failing to repress vitamin D receptor activity.
April 2015 in “Dentistry 3000” Premature hair graying in the face may be influenced by genetics and environment.
January 2025 in “Figshare” Stress can cause sudden hair whitening in children, but it may reverse on its own.
January 2025 in “Figshare” Stress can cause sudden hair whitening in children, but it may reverse on its own.
April 2014 in “The FASEB Journal” Iron deficiency in mothers causes hair loss in their baby mice.
May 2026 in “Frontiers in Medicine” The patient's hair improved after treatment, but the genetic link is unclear.
17 citations
,
October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
1 citations
,
July 2007 in “Journal of Investigative Dermatology” The mutation causes hairless mice due to mislocalized and dysfunctional HR protein.
44 citations
,
April 1979 in “Journal of Ultrastructure Research”