cu zn-superoxide dismutase and glutathione peroxidase during aging Immunometabolism oxidative stress: roles and therapeutic strategies in cancer and Antioxidant network. SOD Cu/Zn, Cu/Zn

Despite decades of persistent efforts by scholars, clinical treatment is still focused on alleviating patients pain and reducing the incidence of disability, including physiotherapy, closed therapy, and surgery, 3,4 which not only fail to cure the disease at the etiological level but also may lead to complications associated with drugs and surgery

(8) M P Baar, R MC Brandt, D A Putavet, J DD Klein, et al (2017) Targeted Apoptosis of Senescent Cells Restores Tissue Homeostasis in Response to Chemotoxicity and Aging Cell, 2017 Mar 23, Volume 169 (Issue 1), Pages 132147.e16

Sartor RB (1997) Pathogenesis and immune mechanisms of chronic inflammatory bowel diseases

This is normal and indicates proper copper coordination