glutathione peroxidase v. the kinetic mechanism Selenoprotein 4: From Molecular Mechanisms to Novel Therapeutic Opportunities Mechanism of glutathione peroxidase (GPx)

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Although these classical inhibitors show great potential in preclinical research, their clinical translation still faces substantial obstacles, including poor metabolic stability, suboptimal pharmacokinetics, and the critical fact that no anti-ferroptosis drug has yet entered human trials

Together, these findings indicate that while strong oxidants, such as H 2 O 2 , favor irreversible thiol overoxidation and suppress disulfide chemistry, reactive nitrogen species provide a physiologically relevant pathway for disulphide cross-linking of TTR

At physiological pH, peroxynitrite will comprise a mixture of ONOO and the protonated peroxynitrous acid (ONOOH)