Glutathione and superoxide dismutase antioxidant pathways

The term "Antioxidant pathways via glutathione/SOD modulation" refers not to a single molecular target but rather to a **network of enzymatic systems** that protect cells from oxidative damage. The two principal components are: **Glutathione**, a tripeptide present in nearly all living cells, acts as a major intracellular antioxidant. It directly scavenges reactive oxygen and nitrogen species and serves as an essential cofactor for enzymes like **glutathione peroxidases** and **glutathione S-transferases**, which detoxify peroxides and electrophilic compounds. Glutathione is also involved in redox signaling, regulation of gene expression, protein synthesis, cell proliferation, apoptosis, autophagy, and protection against viral infection[1][2][3]. **Superoxide dismutases (SODs)** are metalloenzymes that catalyze the conversion of superoxide radicals into hydrogen peroxide—a less toxic molecule subsequently broken down by catalase or converted into water via the action of other enzymes such as **gluthathione peroxidases**. Together with catalase and GPX enzymes, SOD forms the first line of enzymatic defense against oxidative stress[4]. These pathways are critical in maintaining cellular homeostasis under physiological conditions but become especially important during pathological states involving increased production of reactive oxygen species—such as cancer progression, neurodegeneration (e.g., ALS), cardiovascular diseases, inflammation—and can be targeted therapeutically through agents that boost their activity or replenish their substrates/cofactors[1][2]. However, "Antioxidant pathways via glutathione/SOD modulation" is not itself a canonical molecular target; it describes multiple interacting proteins/patways rather than one specific receptor/enzyme/transporter. For structured data purposes this entry should be flagged as incorrect because it lacks specificity—it encompasses several distinct targets rather than one defined entity. > “Ultimately...the radical chain reactions will be blocked by the antioxidant enzymes superoxide dismutase (SOD) in association with catalase or GPX...From these data we can reasoned that by selectively targeting GSH content...we can induce apoptosis either directly or by combining therapies...” [1]

Other names

Glutathione pathwaySOD pathwayAntioxidant enzyme systemGSH/SOD system

– Enhancement of cellular antioxidant capacity by increasing glutathione or SOD levels/activity[1][2][4] – Scavenging reactive oxygen species to prevent cell damage[1][3]