ArticleNeurotoxicology2019
Pretreatment with pyridostigmine bromide has no effect on seizure behavior or 24 hour survival in the rat model of acute diisopropylfluorophosphate intoxication.
Article in Neurotoxicology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 18 citations in OpenAlex.
- Current review on inducible nitric oxide synthase and Src tyrosine kinase inhibitors as disease-modifiers in preclinical models of epilepsy.Histology and histopathology · 2026Review
- Diet-incorporated saracatinib, a Src tyrosine kinase inhibitor, counteracts diisopropylfluorophosphate (DFP)-induced chronic neurotoxicity in the rat model.Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2025Article
- A longitudinal MRI and TSPO PET-based investigation of brain region-specific neuroprotection by diazepam versus midazolam following organophosphate-induced seizures.Neuropharmacology · 2024Article
- Quantitative TNeuropharmacology · 2024Article
- Cardiovascular responses of adult male Sprague-Dawley rats following acute organophosphate intoxication and post-exposure treatment with midazolam with or without allopregnanolone.Archives of toxicology · 2024Article
- Article
- Time- and region-dependent blood-brain barrier impairment in a rat model of organophosphate-induced status epilepticus.Neurobiology of disease · 2023Article
- Saracatinib, a Src Tyrosine Kinase Inhibitor, as a Disease Modifier in the Rat DFP Model: Sex Differences, Neurobehavior, Gliosis, Neurodegeneration, and Nitro-Oxidative Stress.Antioxidants (Basel, Switzerland) · 2021Article
- Soman (GD) Rat Model to Mimic Civilian Exposure to Nerve Agent: Mortality, Video-EEG BasedFrontiers in cellular neuroscience · 2021Article
- Acute administration of diazepam or midazolam minimally alters long-term neuropathological effects in the rat brain following acute intoxication with diisopropylfluorophosphate.European journal of pharmacology · 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
- 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
- The chemical convulsant diisopropylfluorophosphate (DFP) causes persistent neuropathology in adult male rats independent of seizure activity.Archives of toxicology · 2020Article
- Persistent behavior deficits, neuroinflammation, and oxidative stress in a rat model of acute organophosphate intoxication.Neurobiology of disease · 2020Review
- TSPO PET Using [18F]PBR111 Reveals Persistent Neuroinflammation Following Acute Diisopropylfluorophosphate Intoxication in the Rat.Toxicological sciences : an official journal of the Society of Toxicology · 2019Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
Acute intoxication with organophosphate cholinesterase inhibitors (OPs) is a significant human health threat, and current medical countermeasures for OP poisoning are of limited therapeutic efficacy. The rat model of acute intoxication with diisopropylfluorophosphate (DFP) is increasingly being used to test candidate compounds for efficacy in protecting against the immediate and long-term consequences of acute OP toxicity. In this model, rats are typically pretreated with pyridostigmine bromide (PB), a reversible cholinesterase inhibitor, to enhance survival. However, PB pretreatment is not likely in most scenarios of civilian exposure to acutely neurotoxic levels of OPs. Therefore, the goal of this study was to determine whether PB pretreatment significantly increases survival in DFP-intoxicated rats. Adult male Sprague Dawley rats were injected with DFP (4 mg/kg, s.c.) or vehicle (VEH) followed 1 min later by combined i.m. injection of atropine sulfate (2 mg/kg) and 2-pralidoxime (25 mg/kg). Animals were pretreated 30 min prior to these injections with PB (0.1 mg/kg, i.m.) or an equal volume of saline. DFP triggered rapid and sustained seizure behavior irrespective of PB pretreatment, and there was no significant difference in average seizure behavior score during the first 4 h following injection between DFP animals pretreated with PB or not. PB pretreatment also had no significant effect on survival or brain AChE activity at 24 h post-DFP exposure. In summary, PB pretreatment is not necessary to ensure survival of rats acutely intoxicated with DFP, and eliminating PB pretreatment in the rat model of acute DFP intoxication would increase its relevance to acute OP intoxication in civilians.
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