Rather than inducing desensitization, a chronic morphine treatment could promote a compensatory increase in intracellular cAMP level (also named cAMP overshoot or ACase superactivation) (Avidor-Reiss et al., 1995) and is believed to play a direct role in tolerance (Duman et al., 1988
EZH2-mediated H3K27me3 methylation (requiring SAM) at the promoters of senescence-promoting genes keeps those genes silenced while SIRT1 and FOXO3 activate longevity-promoting gene sets
Nature of matrix: A physically and chemically inert matrix having a higher surface area is preferred
A vitamin C drip or injection is an intravenous infusion of high doses of vitamin C
Copper taste in the mouth (potential copper accumulation, though rare at standard doses)
Osakabe, Y., Yamaguchi-Shinozaki, K., Shinozaki, K