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Research involving GHK-Cu has examined interactions with signaling networks associated with extracellular matrix regulation, structural protein organization, metal-ion transport processes, and peptide-mediated cellular communication

Studies have also indicated interactions with opioid pathways DSIP administration has been shown to modulate pain perception and has effects that can be partially blocked by opioid antagonists in some paradigms, suggesting opioidergic involvement in at least some of its actions

doi:10.1016/j.envint.2009.01.003 Kim I, Yamashita N, Tanaka H (2009) Photodegradation of pharmaceuticals and personal care products during UV and UV/H2O2 treatments

Sci Rep (2015) 5:14630.10.1038/srep14630 44 PalamaraATBrandiGRossiLMilloEBenattiUNencioniLet alNew synthetic glutathione derivatives with increased antiviral activities