New Biotinylated GHK and Related Copper(II) Complex: Antioxidant and Antiglycant Properties In Vitro against Neurodegenerative Disorders Tolerance and Tachyphylaxis Drug Tolerance Drug Tachyphylaxis Pharmacology Made Easy Frontiers Glycine Histidine Lysine (GHK) Alleviates Astrocytes Injury of Intracerebral Hemorrhage via the Akt miR 146a 3p AQP4 Pathway Nitrite reverses nitroglycerin tolerance via repletion of a nitrodilator activated nitric oxide store in vascular smooth muscle cells ScienceDirect