Abstract

S583form ofprepulse inhibition (PPI) disruption in prenatally immune­challenged offspring, with both effects emerging only in adult butnot peri-pubertalsubjects. The causal nature ofthis relationshipis further supported by our findings that the prenatal infection­inducedPPI deficits can be normalizedby acute treatmentwith theselective DIRantagonist SCH23390 or the selective D2Rreceptorantagonist raclopride.Inconclusion, our longitudinal examination ofthe neurodevel­opmental impact ofprenatal immune activation in mice revealsmultiple defects in structural and functional dopaminergic de­velopment from early fetal to adult stage of development. Ourresults highlight that dopaminergic mal-developmentin general,and following prenatal immune activation in particular, may rep­resent a primary etiopathological mechanism in the developmentofschizophrenia and related disorders.

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