Polyglutamic acid is a valuable, sustainable ingredient for skincare and haircare products.
February 2026 in “Archives of Dermatological Research” Microneedle-delivered polyglutamate effectively and safely improves hair growth in androgenetic alopecia.
91 citations
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May 1972 in “Journal of Biological Chemistry” Transglutaminases work through a ping-pong mechanism, and human plasma and platelet transglutaminases have similar catalytic subunits.
June 2019 in “Poster presentations” Most patients with rheumatoid arthritis continued methotrexate treatment over two years, but those who stopped and restarted experienced more side effects and less improvement.
February 2014 in “Journal of The American Academy of Dermatology”
14 citations
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August 2009 in “Cancer epidemiology” AHCC reduces hair loss and liver injury caused by chemotherapy in rodents.
January 2023 in “National journal of physiology, pharmacy and pharmacology” Low-dose methotrexate is generally safe but can cause mild to severe side effects, and folic acid can reduce these risks.
January 2019 in “Springer Reference Medizin” Follicle Stimulating Hormone is important for fertility.
295 citations
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September 2006 in “Cell Cycle” The conclusion is that using drugs to block the TOR pathway might slow aging and prevent age-related diseases.
66 citations
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January 2001 in “Vitamins and hormones” Androgen receptors are key for development and health, affecting conditions like prostate cancer and male pattern baldness.
5 citations
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January 2021 in “Daru” A woman had severe reactions to methotrexate, including skin issues and organ problems, but improved after 38 days in the hospital.
Transglutaminases help form strong hair by linking proteins, and can potentially alter hair properties.
7 citations
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January 1997 in “Bioscience Biotechnology and Biochemistry” Sheep hair follicle transglutaminases are calcium-dependent.
44 citations
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January 1984 in “Molecular and Cellular Biochemistry” 6 citations
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April 2021 in “NAR Genomics and Bioinformatics” PolyQ repeats in neural proteins evolve together, affecting brain function and disease.
8 citations
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January 2023 in “International journal of molecular sciences” Transglutaminase activity is important for skin and is found in both mammals and birds.
54 citations
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January 1984 in “Molecular and Cellular Biochemistry” 118 citations
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June 1993 in “Journal of Biological Chemistry” Human and mouse TGase3 enzymes are similar but differ near the activation site, crucial for their function in skin and hair development.
49 citations
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January 1972 in “Biochimica et Biophysica Acta (BBA) - Protein Structure” January 1995 in “Journal of the Society of Cosmetic Chemists” Transglutaminase does not modify human hair.
103 citations
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February 1972 in “Proceedings of the National Academy of Sciences” A unique enzyme in guinea pig hair follicles helps form protein cross-links in hair.
3 citations
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January 1984
54 citations
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November 2001 in “Urology” The length of the CAG repeat in the androgen receptor gene affects the risk and progression of prostate cancer, BPH, infertility, and undermasculinized genitalia.
10 citations
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March 2015 in “Journal of dermatology” The boy's severe skin disorder is caused by two new mutations in his TGM1 gene.
53 citations
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June 1983 in “Journal of Investigative Dermatology” The enzyme is crucial for skin cell development and can be activated without proteolytic activation.
2 citations
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October 2016 in “OPAL (Open@LaTrobe) (La Trobe University)” The Swedish neonatal screening program effectively detects PKU, galactosaemia, and biotinidase deficiency with low false positives.
46 citations
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April 1987 in “Brain Research” Hair-follicle nerves in cats' spinal cords can be inhibited by GABA-related connections.
22 citations
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August 2020 in “Cells” TGM3 is important for skin and hair structure and may help diagnose cancer.
28 citations
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May 2020 in “BMC plant biology” The study concluded that three enzymes are important for plant development by affecting sugar composition and calcium binding in plants.
October 2013 in “한국생물공학회 학술대회” Poly-γ-glutamic acid may help reduce hair loss.