March 2010 in “The Journal of Urology” Methylation of the 5-AR2 gene may cause resistance to Finasteride in BPH patients.
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March 2006 in “Biopolymers” TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.
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June 1981 in “Clinica Chimica Acta” 37 citations
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February 2005 in “Journal of Investigative Dermatology” Overexpression of SSAT causes hair loss and skin issues, but reducing putrescine can help.
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January 1992 in “DNA sequence” Researchers found a non-functional sheep keratin gene due to mutations.
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August 2016 in “Biomedical Chromatography” A new method accurately measures clobetasol propionate in hair and skin.
June 2021 in “Clinical neuropsychopharmacology and therapeutics” Valproic acid can cause hair color change in older men.
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March 2023 in “Science Translational Medicine” Blocking a certain signal in the gp130 receptor can improve tissue healing and lessen osteoarthritis symptoms.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” A new method helps find proteins in hair to identify fetal growth issues.
January 2007 in “Chinese Journal of Pharmaceuticals” The study successfully identified the structure of finasteride.
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May 2009 in “Chemical Physics Letters” A new method accurately measures molecular movement without complex modeling.
April 2011 in “The FASEB Journal” Profilin1 speeds up wound healing.
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January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
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March 2008 in “Journal of Cell Science” The mutation causing Hutchinson-Gilford progeria syndrome leads to severe skin problems and early death in mice.
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September 2025 in “Psychoneuroendocrinology” Hair analytes decrease with storage, so analyze within six months.
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July 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” Cysteine strengthens hair, and glutamine fuels hair growth.
January 2005 in “Jukuri (Natural Resources Institute Finland (Luke))” A low-protein diet with methionine is cost-effective and supports normal growth and high-quality pelts in blue foxes.
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April 1978 in “PubMed” Netherton syndrome in a boy caused skin and hair issues, and treatment didn't work.
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August 2011 in “PubMed” Hair and nail proteins, mainly keratins, are crucial for structure and can indicate health issues.
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August 2020 in “Clinical, Cosmetic and Investigational Dermatology” The hair-growth formula with L-cystine helps protect and grow hair cells.
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April 1997 in “Journal of Lipid Research” Linoleate deficiency in rats reduces growth and n-6 polyunsaturate accumulation, causing mild symptoms.
November 2025 in “Analytical Chemistry” A new method improves protein extraction from hair, helping identify potential biomarkers for fetal growth issues.
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June 2010 in “Universitas Psychologica” Progesterone helps protect against stress-related memory and behavior issues in rats.
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January 2017 in “Steroids” Allopregnanolone increases growth and changes gene activity in human brain cancer cells.
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January 2006 in “Clínicas obstétricas y ginecológicas de Norteamérica” Analyzing hair proteins can help identify new markers for hair health and aging.
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February 1996 in “Journal of Investigative Dermatology” Polyamines, especially spermidine, are essential for hair growth.
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February 1994 in “Tetrahedron Letters” Adding cerium(III) chloride to Grignard reagents improves the making of compounds that could treat prostate issues and hair loss.
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November 2018 in “The journal of pain/Journal of pain” 14,15-EET may help reduce poststroke pain by affecting certain brain proteins.
April 2025 in “Journal of Skin and Stem Cell” PDRN from trout sperm helps skin and hair regeneration but is costly and complex to produce.
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January 2008 in “Journal of Molecular Neuroscience”