GHK-Cu has also been detected in saliva and urine, suggesting it is a systemically distributed endogenous peptide rather than a purely circulatory factor
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Research on Diabetic Neuropathy Outcomes Diabetic neuropathy affects millions worldwide
Surgery 114:147153 Rhoads JM, Argenzio RA, Chen WU, Rippe RA, Westwick JK, Cox AD, Berschneider HM, Brenner DA (1997) L-glutamine stimulates intestinal cell proliferation and activates mitogen-activated protein kinases
The phosphorylation leads downregulation of MTHFR activity and upregulation of allosteric inhibition by SAM