June 1987 in “Pediatric Neurology Briefs” Biotinidase deficiency can cause symptoms like sleepiness, hair loss, and seizures.
August 2025 in “Quality in Sport” Vitamin A is essential but too much can be harmful, especially from supplements.
46 citations
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August 2006 in “PubMed” A genetic defect causes males in some Mediterranean populations to be born with ambiguous genitalia and develop male traits at puberty.
December 2023 in “Journal of nutritional science and vitaminology” A zinc-deficient diet stunted growth and affected organs in mice, with C57BL/6J mice showing more severe symptoms.
27 citations
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October 2017 in “British Journal of Dermatology” Patients with GATA2 deficiency show early skin symptoms that help diagnose the condition.
82 citations
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April 1981 in “Clinical endocrinology” A girl with rickets and hair loss was found to have a rare condition where her body didn't respond to vitamin D treatment.
1 citations
,
June 2019 in “Current developments in nutrition” A patient with Ehlers-Danlos Syndrome improved after treatment for fat malabsorption and essential fatty acid deficiency.
40 citations
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April 2013 in “Dermato-endocrinology” People with chronic Alopecia Areata often have lower vitamin D levels.
7 citations
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August 2021 in “Open Access Macedonian Journal of Medical Sciences” The VDR gene polymorphism does not affect BDNF levels in autoimmune thyroiditis and hypothyroidism patients.
29 citations
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September 1942 in “Archives of ophthalmology” Vogt-Koyanagi syndrome often leads to partial or complete blindness and responds poorly to treatment.
15 citations
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January 2013 in “European Journal of Pediatrics” Patients with Shwachman-Diamond syndrome often get misdiagnosed due to a wide range of symptoms, including immune system problems and bone abnormalities.
1 citations
,
September 2007 in “European journal of paediatric neurology” Low dose valproic acid treatment caused hair loss in a young patient.
January 2023 in “International Journal of Contemporary Pediatrics” A rare genetic disease causes rickets and often hair loss in young children, which can improve with specific treatments.
166 citations
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November 2008 in “Expert Review of Endocrinology & Metabolism” Biotin and biotinidase are essential to prevent health issues, and deficiencies require lifelong supplementation.
February 2026 in “Endokrynologia Polska” Early diagnosis and treatment are crucial for managing Berardinelli–Seip syndrome.
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.
March 2025 in “Biomedical & Pharmacology Journal” Valproic acid is effective but often causes side effects like weight gain and hair loss, so personalized treatment is needed.
July 2023 in “Assiut Veterinary Medical Journal/Maǧallaẗ Asyūṭ al-ṭibiyyaẗ al-baytariyyaẗ” Antiandrogens help improve developmental delays caused by valproic acid in rats.
14 citations
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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.
April 2024 in “BMB Reports” Lack of Cisd2 disrupts calcium balance in cells, leading to poorly functioning neutrophils.
29 citations
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January 2003 in “KARGER eBooks” HVDRR is caused by VDR gene mutations, leading to vitamin D resistance, treatable with high calcium doses, but alopecia remains permanent.
35 citations
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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.
11 citations
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December 2014 in “The American journal of pathology” A gene deletion in mice causes weak protein, immune issues, hair loss, airway problems, and wasting disease.
84 citations
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December 2018 in “Genetics in Medicine” Pegvaliase is recommended for treating adults with phenylketonuria.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” A girl with Becker naevus syndrome has a genetic variant in the ACTB gene related to her symptoms.
May 2026 in “Jurnal Sehat Indonesia (JUSINDO)” Low vitamin D levels may worsen or cause alopecia areata.
7 citations
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September 1999 in “PubMed” Eating grouper fish liver can cause vitamin A poisoning with severe symptoms.
17 citations
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January 2008 in “Journal of the American Academy of Dermatology” Valproic acid can cause hair loss, but information on hair color change is not detailed.
28 citations
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April 2017 in “Journal of cosmetic dermatology” Low vitamin D can worsen pediatric alopecia areata.
January 2025 in “Pediatrics in Review” The boy's symptoms improved with vitamin C treatment, highlighting the need to consider scurvy in kids with unusual diets.