Critical Reviews in Toxicology, October 1st, 2005
Developmental exposure to nicotine in rats results in neurobehavioral effects such as reduced locomotor and cognitive function. Key events in the animal mode of action (MOA) include binding to the nicotinic cholinergic receptor during prenatal and/or early postnatal development. This leads to premature onset of cell differentiation at the expense of cell replication, which leads to brain cell death or structural alterations in regional brain areas. Other events include an initial increase followed by a decrease in adenyl cyclase activity, as well as effects on the noradrenergic, dopaminergic, ...
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