August 2022 in “Clinical and Experimental Dermatology” This study found that serum cysteine levels were not lower in patients with chronic telogen effluvium and did not correlate with hair loss severity.
1 citations
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July 2022 in “Clinical and Experimental Dermatology” This study suggests that arginine and cysteine deficiency is not present in women with chronic telogen effluvium, indicating that amino acid supplementation may be unnecessary in nutrient-replete populations.
February 2025 in “Animals” This study found that senior dogs fed amino acid-complexed and lysine-glutamic acid-complexed trace minerals had longer, faster-growing hair and increased activity compared to those fed inorganic trace minerals.
10 citations
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October 2016 in “Journal of Biomolecular NMR” This study reported that using 2D solid-state NMR techniques on extensively labeled mouse fur improves resolution in detecting chemical shifts and secondary structure features, potentially aiding the analysis of the effects of commercial or therapeutic treatments on specific amino acids.
15 citations
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January 1981 in “Neonatology” This study observed that changes in amino acid levels in milk correlate with developmental events in pouch young marsupials, notably around hair follicle development and homeothermy onset.