Low-level exposure to diquat induces a neurally mediated intestinal hypersecretion in rats: involvement of nitric oxide and mast cells.


Diquat, a nonselective desiccant herbicide, induces a significant secretion of fluid into the lumen of the gastrointestinal tract of rats at sublethal doses (from 0.5 to 50 mg/kg). This study investigated the effect of an acute low-level exposure to diquat (0. 1, 0.5, and 1 mg/kg) on intestinal net water flux and the mechanisms involved. In anesthetized… (More)


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