January 1996 in “Studia iuridica” Two new gene mutations cause a rare hair disorder.
2 citations
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January 1981 High temperatures and certain chemicals can significantly change the amino acid content in human hair.
9 citations
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February 2002 in “PubMed” A new gene mutation causes hereditary coproporphyria with reduced enzyme activity.
76 citations
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May 2011 in “Liver transplantation” Liver transplantation is a viable option for children with propionic acidemia, improving quality of life and diet, but does not remove all risks and long-term brain outcomes are uncertain.
31 citations
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December 1997 in “Developmental Medicine & Child Neurology” Biotinidase deficiency can cause vision and walking problems in children and can improve with biotin treatment.
18 citations
,
January 1978 in “Advances in experimental medicine and biology” Hair cystine levels may indicate protein malnutrition, but more research is needed.
October 2024 in “Journal of the Endocrine Society” Ayme-Gripp Syndrome was confirmed in a woman through genetic testing, highlighting the need to consider rare genetic conditions in diagnoses.
28 citations
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January 1985 in “Journal of the American Academy of Dermatology” A girl with citrullinemia developed pili torti, suggesting a link between the hair condition and the metabolic disorder.
October 2025 in “Frontiers in Medicine” Zinc supplements improved symptoms in a Uyghur infant with a rare genetic disorder affecting zinc absorption.
2 citations
,
October 2018 in “The journal of pediatrics/The Journal of pediatrics” The document concludes that specific hair and blood vessel abnormalities in infants with seizures and developmental issues may indicate Menkes disease, which lacks a cure and is often fatal by age 3.
86 citations
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January 1990 in “The Journal of Pediatrics” Children with partial biotinidase deficiency are healthy at birth but may develop symptoms that improve with biotin therapy.
175 citations
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December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
8 citations
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December 2019 in “Molecular genetics and metabolism reports” Some children in Malaysia with symptoms have either profound or partial biotinidase deficiency, and early testing and treatment are important.
January 2024 in “Archives of Endocrinology and Metabolism” A new gene mutation causes insulin resistance in a girl and her mother.
6 citations
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December 2015 in “International journal of immunopathology and pharmacology” AE can have varied symptoms and genetic causes, but zinc therapy helps.
38 citations
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April 2020 in “IntechOpen eBooks” Phenylalanine may help with depression but can cause issues if not properly processed.
14 citations
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November 2015 in “Annals of the New York Academy of Sciences” Changing the diet of mice lacking the enzyme CBS can affect symptoms related to the genetic condition.
1 citations
,
January 1971 in “Acta dermato-venereologica” Mice hair follicles take in the amino acid cystine.
55 citations
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December 1987 in “Archives of Dermatology” Two enzyme defects in biotin metabolism cause severe skin, hair, and metabolic issues.
46 citations
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November 1963 in “Journal of Histochemistry & Cytochemistry” Arginine converts to citrulline in hair follicles as proteins harden.
18 citations
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January 1977 in “Annals of Nutrition and Metabolism” Genetic disorders can disrupt mineral and trace element metabolism, affecting health.
12 citations
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May 2005 in “Journal of the American Geriatrics Society” Stopping valproate and using lactulose can quickly treat valproate-induced hyperammonemia.
72 citations
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October 1988 in “Archives of Disease in Childhood” Biotin treatment improves symptoms of biotinidase deficiency, but some neurological damage may be permanent.
125 citations
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February 1971 in “Biochemistry” Specific cross-linkages help make hair proteins stable and strong.
1 citations
,
July 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
14 citations
,
August 2021 in “Molecular Genetics and Metabolism Reports” Pegvaliase effectively reduces blood phenylalanine levels in most PKU patients, but requires personalized plans and good communication to manage side effects.
October 1984 in “Kidney international” The patient had complex urinary tract issues and ambiguous genitalia, with physical features suggesting a hormonal imbalance.
January 2014 in “International Journal of Case Reports and Images” A woman with undifferentiated connective tissue disease was diagnosed with renal amyloidosis and carpal tunnel syndrome.
July 2018 in “Kidney international” Genetic testing for EGFR mutations is crucial in similar cases.
3 citations
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May 2024 in “Amino Acids” Disrupted cysteine metabolism may cause hair breakage in Alopecia Areata, suggesting potential treatments like N-acetylcysteine.