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Animal Models

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Animal Model: Antimitotic Agent (MAM or AraC), Rat
Preparation Type: Developmental Preparations
DA-related behavior: Enhanced response to amphetamine and MK-801 (post-puberty)
Gating: Disrupted PPI (post-puberty)
Cognitive behavior: Learning deficits in Morris water maze, object recognition, and attentional set-shifting; no change in 5-choice serial reaction time task
Social behavior: Decreased social interaction (deficit present prior to puberty)
Molecular/morphological signature: Reduced hippocampal volume; alterations of NMDAR protein levels and function in the hippocampus; increased neuron density in prefrontal cortex; enhanced NAc DA release to amphetamine; increased firing of dopaminergic neurons; enlarged lateral and third ventricles
Response to APD: Increased response to MK-801 was attenuated by risperidone, haloperidol, and clozapine
Citations: Gourevitch R, Rocher C, Le Pen G, Krebs MO, Jay TM. Working memory deficits in adult rats after prenatal disruption of neurogenesis. Behav Pharmacol . 2004 Jul 1 ; 15(4):287-92. Abstract

Flagstad P, Mørk A, Glenthøj BY, van Beek J, Michael-Titus AT, Didriksen M. Disruption of neurogenesis on gestational day 17 in the rat causes behavioral changes relevant to positive and negative schizophrenia symptoms and alters amphetamine-induced dopamine release in nucleus accumbens. Neuropsychopharmacology . 2004 Nov 1 ; 29(11):2052-64. Abstract

Elmer GI, Sydnor J, Guard H, Hercher E, Vogel MW. Altered prepulse inhibition in rats treated prenatally with the antimitotic Ara-C: an animal model for sensorimotor gating deficits in schizophrenia. Psychopharmacology (Berl) . 2004 Jul 1 ; 174(2):177-89. Abstract

Moore H, Jentsch JD, Ghajarnia M, Geyer MA, Grace AA. A neurobehavioral systems analysis of adult rats exposed to methylazoxymethanol acetate on E17: implications for the neuropathology of schizophrenia. Biol Psychiatry . 2006 Aug 1 ; 60(3):253-64. Abstract

Featherstone RE, Rizos Z, Nobrega JN, Kapur S, Fletcher PJ. Gestational methylazoxymethanol acetate treatment impairs select cognitive functions: parallels to schizophrenia. Neuropsychopharmacology . 2007 Feb 1 ; 32(2):483-92. Abstract

Le Pen G, Jay TM, Krebs MO. Effect of antipsychotics on spontaneous hyperactivity and hypersensitivity to MK-801-induced hyperactivity in rats prenatally exposed to methylazoxymethanol. J Psychopharmacol . 2011 Jun ; 25(6):822-35. Abstract

Chin CL, Curzon P, Schwartz AJ, O'Connor EM, Rueter LE, Fox GB, Day M, Basso AM. Structural abnormalities revealed by magnetic resonance imaging in rats prenatally exposed to methylazoxymethanol acetate parallel cerebral pathology in schizophrenia. Synapse . 2011 May ; 65(5):393-403. Abstract

Hradetzky E, Sanderson TM, Tsang TM, Sherwood JL, Fitzjohn SM, Lakics V, Malik N, Schoeffmann S, O'Neill MJ, Cheng TM, Harris LW, Rahmoune H, Guest PC, Sher E, Collingridge GL, Holmes E, Tricklebank MD, Bahn S. The methylazoxymethanol acetate (MAM-E17) rat model: molecular and functional effects in the hippocampus. Neuropsychopharmacology . 2012 Jan ; 37(2):364-77. Abstract

July 26, 2016
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Check out our upcoming webinar, Studying Psychosis in 22q11 Deletion Syndrome, Thursday, July 28, 2016, 1-2:30 p.m. EDT.

See our recent webinar, The Baby and the Bathwater: Signal and Noise in Psychiatric Neuroimaging.
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