Publications by authors named "R P Westerink"

Developmental exposure to carbamates, organophosphates, and pyrethroids has been associated with impaired neurodevelopmental outcomes. Sex-specific differences following chronic insecticide exposure are rather common in vivo. Therefore, we assessed the chronic effects of in vitro exposure to different carbamates (carbaryl, methomyl and aldicarb), organophosphates [chlorpyrifos (CPF), chlorpyrifos-oxon (CPO), and 3,5,6,trichloropyridinol (TCP)], and pyrethroids [permethrin, alpha-cypermethrin and 3-phenoxy benzoic acid (3-PBA)] on neuronal network development in sex-separated rat primary cortical cultures using micro-electrode array (MEA) recordings.

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Exposure to traffic-related air pollution and ultrafine particles (<100 nm; UFP) is linked with neurodegeneration. However, the impact of the aromatic content in fuels and the contribution of different fractions of UFP, i.e.

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Areas Covered: This paper outlines the selection of NAMs, including in vitro assays using primary rat cortical neurons, zebrafish embryos, and . These assays aim to assess neurotoxic endpoints such as neuronal activity and behavioral responses. Microelectrode array recordings of rat cortical neurons provide insights into the impact of botanical extracts on neuronal function, while the zebrafish embryos and assays evaluate neurobehavioral responses.

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Article Synopsis
  • Pesticides, including carbamates, organophosphates, organochlorines, and pyrethroids, are linked to health issues like neurotoxicity, with some studies indicating these effects can vary by sex.
  • In experiments using female and male rat cortical cultures, specific pesticides were found to impact neuronal network function differently, suggesting carbaryl and organophosphates like CPF and CPO reduce neuronal activity, with CPO being the most impactful.
  • The study highlights that certain pesticides can lead to increased or decreased neuronal activity, and that females may be more sensitive to specific compounds like endosulfan, demonstrating the importance of considering sex in neurotoxicity research.
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Combustion-derived particulate matter (PM) is a major source of air pollution. Efforts to reduce diesel engine emission include the application of biodiesel. However, while urban PM exposure has been linked to adverse brain effects, little is known about the direct effects of PM from regular fossil diesel (PMDEP) and biodiesel (PMBIO) on neuronal function.

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