3 citations,
January 1982 in “Australian journal of biological sciences” Ethionine significantly inhibits wool growth in sheep but not hair growth in mice or rats.
5 citations,
January 1983 in “Australian journal of biological sciences” Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.
117 citations,
November 2006 in “Experimental Dermatology” The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.
48 citations,
February 2016 in “Scientific Reports” Researchers created rat liver stem cells that could help repair liver failure in rats and may be useful for studying human liver diseases.
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.
126 citations,
January 2009 in “International Journal of Trichology” Oxidative stress contributes to hair graying and loss as we age.
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.
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.
9 citations,
January 2006 in “Cutaneous and ocular toxicology” L-cystine, D-pantothenat, and miliacin together significantly boost keratinocyte growth and metabolism.
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.
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.
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.
2 citations,
January 2023 in “Pharmaceuticals” Natural products and phytochemicals may help with hair regrowth, but more research is needed.
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.
7 citations,
January 2010 in “Pharmacognosy Research” The tobacco leaf extract may help hair grow and could treat hair loss.
6 citations,
March 2011 in “Experimental Dermatology” Too much or too little selenium in the diet can cause hair loss and graying in mice.
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.
40 citations,
August 2018 in “Skin appendage disorders” Some alternative treatments for hair loss might work, but more research is needed.
249 citations,
April 2002 in “The FASEB journal” Human skin can make serotonin and melatonin.
208 citations,
July 2001 in “Journal of The American Academy of Dermatology” Pregnancy can cause various skin changes and diseases, with PUPPP being the most common skin condition specific to pregnancy.
88 citations,
January 2011 in “Annals of Dermatology” The document concludes that specific itchy skin diseases during pregnancy have varying fetal risks and treatments, including corticosteroids and other medications.
81 citations,
June 2010 in “Journal of Dermatological Treatment” The document concludes that minoxidil and finasteride are proven for hair growth, herbal remedies show promise, but more research is needed to confirm their effectiveness.
47 citations,
March 2019 in “Journal of immunology research” Valproic Acid could potentially be used to treat immune-related conditions due to its ability to modify immune cell functions.
47 citations,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Premature graying of hair may suggest health issues and currently lacks effective treatments.
41 citations,
March 2010 in “Psychology Research and Behavior Management” Using psychological treatments can help manage skin conditions along with regular medical care.
33 citations,
August 2006 in “Journal der Deutschen Dermatologischen Gesellschaft” Pregnancy can cause specific skin conditions that need correct diagnosis and treatment to protect both mother and baby.
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.