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The peptide activates Wnt signaling in dermal papilla cells, which plays a role in the anagen (growth) phase of the hair cycle, a signaling pathway studied in depth in research examining copper peptide effects on follicle cycling and dermal papilla cell activity

doi:10.1007/BF00178160 Anderson ME (1998) Glutathione: an overview of biosynthesis and modulation

[DOI] [PMC free article] [PubMed] [Google Scholar] 139.Zsigrai S., Kalmr A., Bartk B.K., Nagy Z.B., Szigeti K.A., Valcz G., Kothalawala W., Dank T., Sebestyn A., Barna G., et al

A deficit in plasma serotonin has been reported in acute COVID, as well as in long COVID, compared to resolved COVID (205)

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