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Modulates neuroendocrine signaling related to sleep and recovery

Other CD44-mediated copper uptake mechanisms have been recently identified and their role in cancer demonstrated 14 but CD44 was not in our hit list apparently due to a low expression in ATP7B-KO HepG2 cells 13

For one thing, she says, the way a peptide is synthesized for research purposes (with a so-called TFA salt) is different and arguably makes it more toxic than an FDA-approved peptide formulated for human use