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[DOI] [PubMed] [Google Scholar] 66.Wagner F., Bernhauer K

In the present work we investigated how the replacement of -peptide bond with -peptide bond on GSH and its analogue UPF1 affects CuZnSOD activity and level of GSH in K562 cells

The brain contains the body's second-highest concentration of copper after the liver, where this essential metal serves critical roles in neurotransmitter synthesis, mitochondrial function, and antioxidant defense systems

I am using mine and they are dated March 2022 and they are still effective
