2013
DOI: 10.1155/2013/598493
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Modulation of Antioxidant Enzymatic Activities by Certain Antiepileptic Drugs (Valproic Acid, Oxcarbazepine, and Topiramate): Evidence in Humans and Experimental Models

Abstract: It is estimated that at least 100 million people worldwide will suffer from epilepsy at some point in their lives. This neurological disorder induces brain death due to the excessive liberation of glutamate, which activates the postsynaptic N-methyl-D-aspartic acid (NMDA) receptors, which in turn cause the reuptake of intracellular calcium (excitotoxicity). This excitotoxicity elicits a series of events leading to nitric oxide synthase (NOS) activation and the generation of reactive oxygen species (ROS). Sever… Show more

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Cited by 40 publications
(27 citation statements)
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“…(For migraine preventive medications, the case is less clear: Flunarizine, propranolol, and topiramate appear to be antioxidants, either directly or by raising levels of antioxidant enzymes, while valproate and amitriptyline appear to be pro‐oxidants. )…”
Section: Discussionmentioning
confidence: 99%
“…(For migraine preventive medications, the case is less clear: Flunarizine, propranolol, and topiramate appear to be antioxidants, either directly or by raising levels of antioxidant enzymes, while valproate and amitriptyline appear to be pro‐oxidants. )…”
Section: Discussionmentioning
confidence: 99%
“…Thus, increased MPO enzyme activity indirectly indicates a decrease in NO level. Also, TPM increases NO release by inducing the NO synthase enzyme (30). Because of decreased NO levels, the production of asymmetric dimethyl arginine is increased, and this causes endothelial dysfunction.…”
Section: Discussionmentioning
confidence: 99%
“…VPA is also histone deacetylase (HDAC) inhibitor and has a neuroprotective role [ 196 ]. A review by Cárdenas-Rodríguez et al summarizes the effects of AEDs on the markers of oxidative stress in human epileptic patients [ 197 ]. Although AEDs control seizures, their role to elicit systemic toxicity and to contribute to oxidative stress needs to be carefully considered during therapy.…”
Section: Treatment Options For Tlementioning
confidence: 99%