l-carnitine and diabetes Carnitine dysregulation in diabetic kidney disease: from pathogenic mechanism to precision biomarker | Journal of Translational Medicine Insulin Resistance & Diabetes: Role

The resultant accumulation of labile iron intensifies oxidative stress via Fenton chemistry and ultimately renders dopaminergic neurons highly susceptible to ferroptosis ( Cells export iron via the plasma membrane iron exporter protein, FPN1, the sole identified protein responsible for exporting intracellular iron in mammals (53)

Signalling by hydrogen sulfide and polysulfides via protein Ssulfuration

Health Med

GHK-Cu binds to cell surface receptors and activates a cascade of regenerative processes collagen and elastin synthesis, antioxidant enzyme activity, and tissue remodeling that mirror the body's own wound-healing response

Cysteine is an integral part of the main antioxidant GSH and acts as a potent antioxidant in the brain, playing a crucial role in protein synthesis and redox homeostasis (Paul et al., 2018)