21 citations
,
January 2020 in “General and Comparative Endocrinology” Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
April 2015 in “Journal of Nutritional Therapeutics” Looser dietary restrictions can improve growth and reduce illness in methylmalonic acidemia patients.
38 citations
,
October 2014 in “Current Opinion in Endocrinology, Diabetes and Obesity” 5-alpha reductase deficiency leads to male sexual development issues and treatments like finasteride help with prostate enlargement and hair loss.
The treatment was not recommended due to limited effectiveness and significant side effects.
54 citations
,
November 1995 in “The Journal of Clinical Endocrinology & Metabolism” Females with 5 alpha-reductase-2 deficiency have less body hair, no acne, normal fertility, and delayed menarche.
1 citations
,
August 2019 in “Journal of Investigative Dermatology” PRDX5 enzyme may contribute to alopecia areata by affecting oxidative stress and autoimmunity.
24 citations
,
May 2019 in “PLOS genetics” Mutations in the HEPHL1 gene cause abnormal hair and cognitive issues.
May 2024 in “Animal genetics” A cat's poor wound healing was linked to a genetic deletion in the COL5A1 gene.
August 2024 in “Latin American Journal of Development” 5α-reductase enzymes are crucial in certain disorders, and while treatment advances exist, more research on SRD5A3 is needed.
6 citations
,
March 2016 in “PLoS ONE” The patient's hair was thinner and had fewer lipids due to a genetic mutation.
1 citations
,
October 2024 in “JCEM Case Reports” 5α-reductase deficiency can cause ambiguous genitalia and gender dysphoria, treatable with testosterone.
39 citations
,
September 2018 in “American Journal of Medical Genetics Part A” A new genetic mutation in the ODC1 gene causes developmental delay and other symptoms in a young girl.
49 citations
,
July 1994 in “British journal of dermatology/British journal of dermatology, Supplement” Some children with methylmalonic and propionic acidaemias have skin problems related to their condition and diet.
January 2024 in “Oxford medical case reports” Standard treatment for congenital erythropoietic porphyria was ineffective over five years.
1 citations
,
December 2023 in “Curēus” Most children with a common hemochromatosis genotype had elevated iron levels but no severe symptoms.
4 citations
,
March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
13 citations
,
September 2011 in “Archives of dermatology” A patient with steroid sulfatase deficiency had a unique hair pattern and a brain malformation not previously linked to the condition.
110 citations
,
November 1984 in “The American Journal of Medicine” A genetic defect in vitamin D receptors causes severe rickets and hair loss in children, but some heal as they age.
126 citations
,
November 1987 in “The Journal of Pediatrics” Selenium deficiency can cause skin and hair color loss, muscle weakness, and blood cell changes, but these improve with selenium supplements.
20 citations
,
May 2013 in “International Journal of Molecular Medicine” Researchers found a new gene variant linked to a rare bone disease, which doesn't always cause symptoms in carriers.
January 2025 in “JCEM Case Reports” Enzyme replacement therapy may help alleviate symptoms in complex cases like this.
24 citations
,
November 2008 in “Arquivos Brasileiros de Endocrinologia & Metabologia” Four patients with a type of rickets and hair loss had different mutations in their vitamin D receptor gene, causing it to not work properly.
109 citations
,
April 1997 in “Journal of Lipid Research” Linoleate deficiency in rats reduces growth and n-6 polyunsaturate accumulation, causing mild symptoms.
January 2018 in “Elsevier eBooks” 5α-reductase-2 deficiency causes ambiguous genitalia at birth and affects male sexual development, but individuals often develop male characteristics at puberty.
January 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity” 9 citations
,
February 2002 in “PubMed” A new gene mutation causes hereditary coproporphyria with reduced enzyme activity.
6 citations
,
May 2020 in “JAMA Ophthalmology” Using 5-alpha-reductase inhibitors, drugs for prostate issues and hair loss, may lead to eye abnormalities in men.
4 citations
,
July 2022 in “The Journal of Clinical Endocrinology & Metabolism” A specific genetic mutation causes POMC deficiency, leading to symptoms like weight gain and red hair.
40 citations
,
July 2019 in “Journal of Investigative Dermatology” Lack of a key enzyme causes severe skin issues and death in mice.
26 citations
,
January 1983 in “PubMed” Trichothiodystrophy involves brittle hair due to low sulfur amino acids, not a transport defect.