Copper deficiency lowers blood and liver copper levels in rats, but not in hair or bones.
62 citations
,
October 1999 in “Journal of Investigative Dermatology” New mutations in hair keratin genes can change hair structure and cause monilethrix, with nail issues more common in certain gene mutations.
10 citations
,
January 2019 in “Skin Research and Technology” Southern Chinese women with female pattern hair loss have less, thinner hair and smaller hair follicles.
May 2024 in “Frontiers in medicine” A genetic mutation in the LIPH gene causes tightly curled hair that stops growing in some Japanese individuals.
15 citations
,
December 2014 in “PLoS ONE” A mutation in the iRhom2 gene causes hairless mice due to abnormal hair follicle development.
January 2003 in “Annals of Dermatology” Iron deficiency can cause hair abnormalities, but taking iron can fix them and stop hair loss.
6 citations
,
May 2013 in “Journal of Clinical Oncology” Combining Ficlatuzumab and Gefitinib can cause severe hair loss.
35 citations
,
August 2010 in “The American journal of pathology” Researchers created a new mouse model for studying Citrullinemia Type I and similar conditions, showing symptoms and treatment responses like those in humans.
44 citations
,
August 2004 in “Journal of Investigative Dermatology” A gene deletion in DSG4 causes sparse hair in some Pakistani families.
April 2022 in “JAAD International” Women with frontal fibrosing alopecia have similar vitamin D levels to those with other hair loss types, suggesting vitamin D is not a key factor in this condition.
8 citations
,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
13 citations
,
January 2019 in “Skin appendage disorders” FAPD is a possible diagnosis for hair loss in patients of color and requires multiple evaluations for accurate diagnosis.
3 citations
,
January 2021 in “Veterinary dermatology” A litter of cats had a hair condition similar to a mouse mutation, leading to hair loss and abnormal hair and skin.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
Mutant Cx43 causes slower wound healing and hair growth issues in ODDD.
December 2020 in “The Medical journal of Basrah University” Low vitamin D levels may contribute to female pattern hair loss.
17 citations
,
January 2011 in “Indian journal of dermatology, venereology, and leprology” A rare genetic skin condition usually affecting males was found in a 9-year-old girl.
7 citations
,
January 1986 in “Prenatal Diagnosis” Fetal skin biopsy can help diagnose protein-related disorders before birth.
10 citations
,
September 1994 in “International Journal of Dermatology” Three Iranian men had reddish-brown facial pigmentation with no effective treatment.
8 citations
,
September 1981 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin deficiency in pigs causes hair loss, skin issues, and weak claws.
1 citations
,
November 1988 in “Veterinary Record” Folic acid helped a calf regrow hair lost due to deficiency.
10 citations
,
March 1997 in “Pediatric Dermatology” A rare case of trichothiodystrophy was found with autism, seizures, and mental retardation.
13 citations
,
August 2013 in “International Journal of Dermatology” Frontal fibrosing alopecia can affect African men and may be underdiagnosed.
April 2018 in “Recent advances in pathology and laboratory medicine” Iron deficiency may cause hair loss, but more research is needed.
23 citations
,
January 1985 in “Journal of Neuropathology & Experimental Neurology” Cupric chloride treatment corrected abnormal Purkinje cell development in brindled mice.
January 2024 in “Australasian journal of dermatology (Print)” A boy's hair turned red because of genetic mutations, not lack of zinc.
32 citations
,
March 2014 in “PLOS ONE” Mice lacking fibromodulin have disrupted healing patterns, leading to abnormal skin repair and scarring.
4 citations
,
January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
December 2025 in “DiRROS repository (University of Maribor)” Many adolescents in northern Sudan have hair loss linked to iron deficiency.
3 citations
,
December 2020 in “Skin Appendage Disorders” Genetic testing confirmed a rare disorder causing hair loss and vision problems in a Saudi family, stressing its importance for diagnosis and counseling.