Neurotoxicology

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Comparison of the neurotoxic potency of different ultrafine particle fractions from diesel engine exhaust following direct and simulated inhalation exposure

In our recent study, we investigated the neurotoxicity of ultrafine particles (< 100 nm; UFP) emitted from diesel engines, comparing different fuel types and particle fractions. Specifically, we studied the effect of solid and semi-volatile organic compound (SVOC) UFP derived from petroleum diesel and Hydrotreated Vegetable Oil-type fuel on neuronal function after direct exposure and…

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Effects of chronic insecticide exposure on neuronal network development in vitro in rat cortical cultures

In this article, we present sex-specific in vitro data on the chronic neurotoxic effects of different classes of insecticides. Specifically, we studied the sex-specific effects of different carbamates, organophosphates, and pyrethroids on neuronal network development in sex-separated primary rat cortical cultures using micro-electrode array (MEA) recordings. Our findings indicate that exposure for 1 week to…

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Effects of acute insecticide exposure on neuronal activity in vitro in rat cortical cultures

In our recent article, we present sex-specific in vitro data on the acute neurotoxicity of different classes of insecticides. Specifically, we studied the sex-specific effects of different carbamates, organophosphates, organochlorines, and pyrethroids on neuronal network function in sex-separated rat primary cortical cultures using micro-electrode array (MEA) recordings. Our findings indicate that exposure to the organophosphates…

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In vitro neurotoxicity of particles from diesel and biodiesel fueled engines following direct and simulated inhalation exposure

In our recent article, we present in vitro data on the neurotoxicity of combustion-derived particulate matter (PM). Specifically, we studied and compared the effects and potency of PM generated using diesel and biodiesel fuel on neuronal function. Moreover, we applied a novel approach to investigate the indirect effects of particles on neuronal function and health…

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“Neuroactivity screening of botanical extracts using microelectrode array (MEA) recordings”

Our work in collaboration with the HESI Botanical Safety Consortium was recently published! The HESI Botanical Safety Consortium collaborates to develop screening strategies to efficiently identify botanical-induced toxicity. We presented in vitro data that evaluates the applicability of multi-well microelectrode array (MEA) recordings for screening and prioritizing botanical extracts for their neuroactive potential. Most botanical…

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“In vitro neurotoxicity screening of engine oil- and hydraulic fluid-derived aircraft cabin bleed-air contamination”

In our recent article, we present in vitro data on the neurotoxic effects and potency of possible aircraft cabin air contamination deriving from engine oils and hydraulic fluids. For this work, we exposed rat primary cortical cells cultured on micro-electrode arrays to the fumes derived from selected engine oils and hydraulic fluids and monitored changes…

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Nanoparticles affect neuronal function in vitro

Great news, a few weeks ago our new paper “Acute, sub-chronic and chronic exposures to TiO2 and Ag nanoparticles differentially affects neuronal function in vitro” has been published in NeuroToxicology. In this work, we studied the neurotoxicity of silver and titanium dioxide nanoparticles using calcium imaging, micro-electrode array recordings and immunocytochemistry. While titanium dioxide nanoparticles…

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Successful presentations at the Annual SOT meeting in Nashville!

Emma Kasteel, Jack Thornton, and Lora Gerber enjoyed presenting their data at the Annual Society of Toxicology (SOT) meeting! Lots of attention for their work on the neurotoxic effects of respectively micro- and nanoplastics, designer drugs, and air pollution. Job well done!

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