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Studies in the 1980s and early 1990s explored DSIP in various sleep disorders

Additional investigations have explored relationships between GHK-Cu and copper-dependent regulatory proteins, redox-associated signaling pathways, and metalloprotein activity, contributing to a broader understanding of metallopeptide signaling systems

Funding Open access funding provided by HEAL-Link Greece

Rather than flooding synapses with a single neurotransmitter, it modulates the balance between serotonin, dopamine, and norepinephrine, nudging each toward optimal levels rather than artificially elevating one at the expense of others