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Epidemiological and toxicological studies have suggested that the health effects associated with exposure to particulate matter (PM) are related to the different physicochemical properties of PM. These effects occur through the initiation of differential cellular responses including: the induction of antioxidant defenses, proinflammatory responses, and ultimately cell death. The main objective of...
Paraquat (PQ), a commonly used herbicide, is highly toxic to humans and animals. The primary injury occurs in the lung, where PQ is actively taken up by alveolar epithelial cells and consequently produces damaging reactive oxygen species (ROS) via redox cycling. ROS have also been shown to induce expression of several early response genes and to activate transcription factors, which may contribute...
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