7 citations,
January 1982 in “Acta agriculturae Scandinavica” Mink use L-methionine and L-cystine slightly better than natural amino acids for hair growth, but D-methionine is not effective.
January 1974 in “Nippon Nōgei Kagakukaishi/Nihon Nougei Kagakkaishi” Applying L-methionine and L-serine to the skin promotes the most hair growth.
7 citations,
January 2010 in “Animal” Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
1 citations,
March 2014 in “Senses and Sciences” A supplement with Serenoa repens improved hair loss in a patient.
126 citations,
January 2009 in “International Journal of Trichology” Oxidative stress contributes to hair graying and loss as we age.
9 citations,
January 2006 in “Cutaneous and ocular toxicology” L-cystine, D-pantothenat, and miliacin together significantly boost keratinocyte growth and metabolism.
5 citations,
January 1983 in “Australian journal of biological sciences” Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.
38 citations,
May 2000 in “Livestock production science” Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
3 citations,
October 2022 in “Han'gug dongmul jawon gwahag hoeji/Han-guk dongmul jawon gwahak hoeji/Journal of animal science and technology” Adding L-glutamine to the diet of Hanwoo steers may boost their immune system and help them cope with heat.
11 citations,
February 2018 in “Amino acids” Copper and iron cause keratin damage in hair by converting methionine to homocysteine.
August 2023 in “Fermentation” Scientists can use engineered microbes to make L-aspartate and related chemicals, but there's still room to improve their efficiency.
2 citations,
January 2023 in “Pharmaceuticals” Natural products and phytochemicals may help with hair regrowth, but more research is needed.
43 citations,
April 2011 in “AJP Endocrinology and Metabolism” Androgens increase muscle mass by promoting myoblast growth through ornithine decarboxylase.
October 2020 in “Stem cells” The document concludes that DNA methylation and the mTOR pathway are important for stem cell function and could impact disease treatment.
7 citations,
January 2010 in “Pharmacognosy Research” The tobacco leaf extract may help hair grow and could treat hair loss.
1 citations,
July 2017 in “Microbial Cell Factories” Adding soybean oil to Nonomuraea dietziae increases production of a beneficial compound by improving metabolism and enzyme systems.
25 citations,
November 2014 in “Ageing Research Reviews” Skin aging is caused by stem cell damage and can potentially be delayed with treatments like antioxidants and stem cell therapy.
6 citations,
March 2011 in “Experimental Dermatology” Too much or too little selenium in the diet can cause hair loss and graying in mice.
November 2022 in “Arab Gulf Journal of Scientific Research” Taurine is important for many body functions and its deficiency can cause health problems.
84 citations,
July 2003 in “European journal of biochemistry” Mouse skin can produce and process serotonin, with variations depending on hair cycle, body location, and mouse strain.
43 citations,
February 1999 in “Biochemical Journal” Overexpression of SSAT in mice causes hair loss, liver damage, and sensitivity to polyamine analogues.
May 2024 in “BMC veterinary research” Metabolites and diet affect hair growth cycles in cashmere goats.
40 citations,
August 2018 in “Skin appendage disorders” Some alternative treatments for hair loss might work, but more research is needed.
January 2023 in “Pharmaceutics” AA–TF#15 significantly promotes hair regrowth and could be an effective treatment for androgenic alopecia.
Hair keratin treatments can be harmful, potentially causing health issues like skin reactions and cancer.
1 citations,
November 2011 in “British journal of pharmacology” Enzymes are classified into six types and are essential for many biological processes, with only a few targeted by drugs.
249 citations,
April 2002 in “The FASEB journal” Human skin can make serotonin and melatonin.
2 citations,
May 2017 in “Springer eBooks” Pregnancy can cause skin changes and affect existing skin conditions, with limited treatment options due to the need for fetal safety.
30 citations,
July 2010 in “Experimental Dermatology” Polyamines are important for hair growth, but more research is needed to understand their functions and treatment potential.
1 citations,
January 2017 in “Social Science Research Network” The document suggests creating a secure database for indigenous knowledge and recommends that the TKDL actively fight patents that slightly alter traditional knowledge.