ROS produced by NADPH oxidase activity was related to chemokine (CCL2, CXCL8, and CXCL10) production, and it was inhibited by the treatment of astrocytes with NAC or NADPH oxidase inhibitors [58]
Performance of Different Strategies This study highlighted the importance of using complementary proteases to better cover potential modification sites
(PubMed) Park YK, Sempos CT, Barton CN, Vanderveen JE, Yetley EA
It should be kept away from strong chelators (such as high levels of EDTA and related sequestrants), reducing sugars, thiol-bearing actives, and high concentrations of direct acids (for example ascorbic acid or alpha-hydroxy acids at low pH), all of which can compete for the copper center or disrupt the peptide-metal bond and shift the characteristic blue color toward brown or colorless degradation products
Q2: How long before I see results from GHK-Cu
Use sunscreen and avoid excess UV (UV counters whitening effects)