Oxidative stress The second biological effect of ODAP is oxidative stress. Reactive oxygen species (ROS) are generated in the mitochondria during metabolism, and the body has mechanisms in place to neutralize these molecules before they cause damage. Oxidative stress results from a disturbance in the normal functioning of these pathways. One antioxidant in the neutralizing pathway is glutathione (GSH), whose synthesis requires the sulfur-containing amino acids methionine and cysteine as precursors. It is thought that ODAP, possibly due to the induced excitotoxicity, reduces the intake of cysteine through its antiporter. This inhibits the synthesis of GSH, leading to an increased production of ROS and mitochondrial damage. Motor neurons may be the most sensitive to ODAP poisoning because they exhibit a greater dependency on the GSH precursor methionine. In addition, the L. sativus plant is deficient in sulfur-containing amino acids, enhancing the receptor-level effects of ODAP on the production of GSH when ingested.
Oxidative stress The second biological effect of ODAP is oxidative stress. Reactive oxygen species (ROS) are generated in the mitochondria during metabolism, and the body has mechanisms in place to neutralize these molecules before they cause damage. Oxidative stress results from a disturbance in the normal functioning of these pathways. One antioxidant in the neutralizing pathway is glutathione (GSH), whose synthesis requires the sulfur-containing amino acids methionine and cysteine as precursors. It is thought that ODAP, possibly due to the induced excitotoxicity, reduces the intake of cysteine through its antiporter. This inhibits the synthesis of GSH, leading to an increased production of ROS and mitochondrial damage. Motor neurons may be the most sensitive to ODAP poisoning because they exhibit a greater dependency on the GSH precursor methionine. Further, L. sativus , as a food, is deficient in sulfur-containing amino acids, enhancing the receptor-level effects of ODAP on the production of GSH when ingested.
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