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[5] Topical GHK-Cu is generally considered well tolerated, yet therapy should be avoided in individuals with a known hypersensitivity to copper peptides or any vehicle component
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Like NAD, glutathione exists in two states: reduced (GSH) and oxidized glutathione disulfide (GSSG)
Kopecek J: Smart and genetically engineered biomaterials and drug delivery systems
Recently, neural activity mediated by NMDA-receptors (NMDAR) has been coupled with transcriptional activation of glutamate-cysteine ligase, a key enzyme in GSH production, leading to a sustained GSH-based protection against an oxidative insult 26
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