ArticleEpilepsy research2012
Characterization of status epilepticus induced by two organophosphates in rats.
Article in Epilepsy research, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.
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Who cites it
47 citing papers in PubMed, 74 citations in OpenAlex.
- Targeting Mitochondrial Dysfunction in Acute Organophosphate Toxicity: A Preliminary Evaluation of Cyclosporine A.Journal of medical toxicology : official journal of the American College of Medical Toxicology · 2026Article
- Thrombin mediates seizures following cortical injury-induced status epilepticus.Epilepsy research · 2025Article
- Evidence that cholinergic mechanisms contribute to hyperexcitability at early stages in Alzheimer's disease.Frontiers in dementia · 2025Review
- Quantitative TNeuropharmacology · 2024Article
- Evidence Implicating Blood-Brain Barrier Impairment in the Pathogenesis of Acquired Epilepsy following Acute Organophosphate Intoxication.The Journal of pharmacology and experimental therapeutics · 2024Review
- Neuroprotectant Activity of Novel Water-Soluble Synthetic Neurosteroids on Organophosphate Intoxication and Status Epilepticus-Induced Long-Term Neurological Dysfunction, Neurodegeneration, and Neuroinflammation.The Journal of pharmacology and experimental therapeutics · 2024Article
- Lifestyle strategies to promote proteostasis and reduce the risk of Alzheimer's disease and other proteinopathies.Ageing research reviews · 2024Review
- 1400 W, a selective inducible nitric oxide synthase inhibitor, mitigates early neuroinflammation and nitrooxidative stress in diisopropylfluorophosphate-induced short-term neurotoxicity rat model.Frontiers in molecular neuroscience · 2023Article
- Microglia Remodelling and Neuroinflammation Parallel Neuronal Hyperactivation Following Acute Organophosphate Poisoning.International journal of molecular sciences · 2022Article
- Article
- Characterization of Cortical Glial Scars in the Diisopropylfluorophosphate (DFP) Rat Model of Epilepsy.Frontiers in cell and developmental biology · 2022Article
- Article
- Comparison of neuropathology in rats following status epilepticus induced by diisopropylfluorophosphate and soman.Neurotoxicology · 2021Article
- Soman (GD) Rat Model to Mimic Civilian Exposure to Nerve Agent: Mortality, Video-EEG BasedFrontiers in cellular neuroscience · 2021Article
- Differential Impact of Severity and Duration ofFrontiers in cellular neuroscience · 2021Article
- Novel pyridinium oximes enhance 24-h survivability against a lethal dose of nerve agent surrogate in adult female rats.Toxicology · 2020Article
- Organophosphorus diisopropylfluorophosphate (DFP) intoxication in zebrafish larvae causes behavioral defects, neuronal hyperexcitation and neuronal death.Scientific reports · 2020Article
- Allopregnanolone and perampanel as adjuncts to midazolam for treating diisopropylfluorophosphate-induced status epilepticus in rats.Annals of the New York Academy of Sciences · 2020Article
- Diapocynin, an NADPH oxidase inhibitor, counteracts diisopropylfluorophosphate-induced long-term neurotoxicity in the rat model.Annals of the New York Academy of Sciences · 2020Article
- Sex as a biological variable in the rat model of diisopropylfluorophosphate-induced long-term neurotoxicity.Annals of the New York Academy of Sciences · 2020Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
Organophosphates (OPs) inhibit the enzyme cholinesterase and cause accumulation of acetylcholine, and are known to cause seizures and status epilepticus (SE) in humans. The animal models of SE caused by organophosphate analogs of insecticides are not well characterized. SE caused by OPs paraoxon and diisopropyl fluorophosphate (DFP) in rats was characterized by electroencephalogram (EEG), behavioral observations and response to treatment with the benzodiazepine diazepam administered at various stages of SE. A method for SE induction using intrahippocampal infusion of paraoxon was also tested. Infusion of 200nmol paraoxon into the hippocampus caused electrographic seizures in 43/52 (82.7%) animals tested; and of these animals, 14/43 (30%) had self-sustaining seizures that lasted 4-18h after the end of paraoxon infusion. SE was also induced by peripheral subcutaneous injection of diisopropyl fluorophosphate (DFP, 1.25mg/kg) or paraoxon (1.00mg/kg) to rats pretreated with atropine (2mg/kg) and 2-pralidoxime (2-PAM, 50mg/kg) 30min prior to OP injection. SE occurred in 78% paraoxon-treated animals and in 79% of DFP-treated animals. Diazepam (10mg/kg) was administered 10min and 30min after the onset of continuous EEG seizures induced by paraoxon and it terminated SE in a majority of animals at both time points. DFP-induced SE was terminated in 60% animals when diazepam was administered 10min after the onset of continuous EEG seizure activity but diazepam did not terminate SE in any animal when it was administered 30min after the onset of continuous seizures. These studies demonstrate that both paraoxon and DFP can induce SE in rats but refractoriness to diazepam is a feature of DFP induced SE.
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Registered trials
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