8 citations
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January 2017 in “Journal of Biological Chemistry” Astrotactin-2 is cleaved in a specific way that helps understand its maturation.
February 2023 in “European journal of geriatrics and gerontology” Selenium helps prevent thyroid issues and cognitive decline in the elderly, but balance is key.
198 citations
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October 1986 in “Differentiation” January 2011 in “대한피부과학회지” A 7-year-old girl was diagnosed with trichothiodystrophy due to low sulfur levels in her hair.
15 citations
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February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
April 2024 in “BMB Reports” Lack of Cisd2 disrupts calcium balance in cells, leading to poorly functioning neutrophils.
13 citations
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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.
49 citations
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May 1974 in “Biochimica et Biophysica Acta (BBA) - Protein Structure” Transamidases are present in the epidermis but their exact role is unclear.
36 citations
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November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
53 citations
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March 2006 in “Biopolymers” TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.
84 citations
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June 1970 in “Journal of Investigative Dermatology”
40 citations
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June 2013 in “Scientific Reports” A gene variant in KRT71 causes the curly fur in Selkirk Rex cats.
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March 1996 in “Journal of Investigative Dermatology” 11 citations
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January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
20 citations
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December 2012 in “Journal of molecular structure” The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
7 citations
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March 2022 in “The FASEB journal” Adult mice with CBS deficiency show minimal health issues and normal lifespan despite high homocysteine levels.
June 2025 in “Cell Metabolism” Serine is vital for hair follicle stem cells to balance hair growth and skin repair.
28 citations
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November 2013 in “The FASEB journal” Mice with CBS deficiency are healthier on a low-methionine diet.
18 citations
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January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
18 citations
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February 2015 in “Acta Crystallographica Section D: Structural Biology” The study concludes that certain domains in Clostridium histolyticum enzymes are structurally unique, bind calcium to become more stable, and play distinct roles in breaking down collagen, with potential applications in medicine and drug delivery.
15 citations
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January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
33 citations
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August 2000 in “Experimental Cell Research” October 2021 in “Authorea (Authorea)” New hair perming method using tyrosine is gentler and can be done with a blow-dryer.
5 citations
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October 2021 in “American Journal of Medical Genetics Part A” A new genetic variant causes BRESHECK syndrome by disrupting cell growth and stress response.
40 citations
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November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” S100A3 protein is crucial for hair shaft formation in mice.
2 citations
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June 2001 in “Medical Electron Microscopy” Trichilemmal cysts may form from hair follicle outer root sheath growth.
16 citations
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January 2017 in “Physical chemistry chemical physics/PCCP. Physical chemistry chemical physics” The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.
15 citations
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February 2020 in “Journal of Investigative Dermatology” Ceramide Synthase 4 is crucial for healthy skin barrier function.
451 citations
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March 2005 in “Endocrine Reviews” The enzyme steroid sulfatase is linked to breast cancer and other conditions, and inhibitors are being developed for treatment.