cocaine/seizures

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Fast profiling of cocaine seizures by FTIR spectroscopy and GC-MS analysis of minor alkaloids and residual solvents.

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In this study, samples coming from large seizures of cocaine which took place in Italian Customs areas during 2011 and 2012 were examined. Minor alkaloids and residual solvents, analyzed by gas chromatography-mass spectrometry (GC-MS) and head space (HS)-GC-MS, respectively, were processed by

Variation in chemical profiles within large seizures of cocaine bricks.

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Cocaine is usually trafficked from South America throughout the world in packages of approximately one kilogram shaped as bricks and imprinted with a logo. Seizures consisting of multiple cocaine bricks gives the opportunity to examine the variation in the chemical profile within cocaine bricks

Prevention of cocaine-induced convulsions and lethality in mice: effectiveness of targeting different sites on the NMDA receptor complex.

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N-methyl-D-aspartate (NMDA) receptors appear to be involved in the behavioral toxic effects of cocaine. Therefore, different classes of NMDA receptor antagonists were compared for their ability to attenuate cocaine-induced convulsions and lethality in male, Swiss Webster mice. The mice were

Pharmacological and behavioral characterization of cocaine-kindled seizures in mice.

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BACKGROUND Convulsions associated with cocaine toxicity are a serious aspect of cocaine-related emergency room incidents. Seizures can result from a single high dose of cocaine, and evidence is accumulating that correlates repetitive administration of sub-convulsive doses of cocaine with a decreased

Modulators of N-methyl-D-aspartate protect against diazepam- or phenobarbital-resistant cocaine convulsions.

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The anticonvulsants diazepam (1-10 mg/kg) and phenobarbital (30-100 mg/kg) protected against lethality without altering clonic convulsions induced by 75 mg/kg cocaine (CD100) in male Swiss Webster mice. In contrast, the non-competitive N-methyl-D-aspartate (NMDA) antagonists, MK-801 (dizocilpine)

Distinct features of seizures induced by cocaine and amphetamine analogs.

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Seizure-related emergencies caused by stimulants of abuse have been increasing. To better understand the nature of these drug-induced convulsions, we characterized the seizure patterns associated with high doses of cocaine, and the amphetamine analogs, methamphetamine, methylenedioxymethamphetamine

Cholinergic effects on arousal and cocaine-induced olfactory-amygdala spindling and seizures in cats.

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Effects of intravenous cholinergic and dopaminergic agents on pre-cocaine olfactory bulb (OB) spindling and behavioral arousal, and on cocaine-induced OB-amygdala spindling and behavioral seizures were evaluated in seven cats with stereotaxically implanted electrodes. Spindle data were computer

Acute cocaine toxicity: the effect of agents in non-seizure-induced death.

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Death from cocaine intoxication results from one or more of the multiple mechanisms including seizures, cardiovascular collapse, or apnea. In the free-moving rat model, continuous seizures are a major cause of death. To study other mechanisms of death unrelated to seizures in this model, we

Practical tool for sampling and fast analysis of large cocaine seizures.

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Large quantities of illicit drugs are frequently seized by law enforcement. In such cases, a representative number of samples needs to be quickly examined prior to destruction. No procedure has yet been set up which rapidly provides information regarding the homogeneity of the samples, the presence

Effects of AMPA/kainate glutamate receptor antagonists on cocaine-induced convulsions and lethality in mice.

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Prior studies demonstrate that NMDA receptor antagonists attenuate cocaine-induced convulsions and lethality. Since glutamate is the primary neurotransmitter for NMDA receptors, pharmacological interventions to lower glutamatergic activity through non-NMDA ionotropic receptor-mediated mechanisms

Pharmacological modulation of GABA(B) receptors affects cocaine-induced seizures in mice.

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BACKGROUND Previous data have demonstrated that the convulsant effects of cocaine can be modulated by compounds that increase levels of endogenous gamma-aminobutyric acid (GABA) or that directly stimulate GABA(A) receptors. OBJECTIVE To determine whether the convulsant effects of cocaine can be

The dopamine D3/D2 agonist (+)-PD-128,907 [(R-(+)-trans-3,4a,10b-tetrahydro-4-propyl-2H,5H-[1]benzopyrano[4,3-b]-1,4-oxazin-9-ol)] protects against acute and cocaine-kindled seizures in mice: further evidence for the involvement of D3 receptors.

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Previous findings have demonstrated a protective role for dopamine D(3)/D(2) receptor agonists in the convulsant and lethal effects of acutely administered cocaine. Data are provided here to establish that the protection occurs through a D(3)-linked mechanism and that protection is extended to

Cannabinoids Rescue Cocaine-Induced Seizures by Restoring Brain Glycine Receptor Dysfunction.

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Cannabinoids are reported to rescue cocaine-induced seizures (CISs), a severe complication in cocaine users. However, the molecular targets for cannabinoid therapy of CISs remain unclear. Here, we report that the systemic administration of cannabinoids alleviates CISs in a

A probability-based sampling approach for the analysis of drug seizures composed of multiple containers of either cocaine, heroin, or Cannabis.

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A probability-based analytical sampling approach for seized containers of cocaine, Cannabis, or heroin, to answer questions of both content weight and identity, is described. It utilizes the Student's t distribution, and, because of the lack of normality in studied populations, the power of the

Evidence for increased seizure susceptibility in rats exposed to cocaine in utero.

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Clinical observations indicate that cocaine use during pregnancy is a major health concern in the United States and may result in seizure-like behavior in the offspring. In the present study, we investigated whether prenatal cocaine exposure altered seizure thresholds measured in Sprague-Dawley

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