ArticleJournal of neural transmission (Vienna, Austria : 1996)2012
Rescue of social behavior impairment by clozapine and alterations in the expression of neuronal receptors in a rat model of neurodevelopmental impairment induced by GRPR blockade.
Article in Journal of neural transmission (Vienna, Austria : 1996), 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 8 citations in OpenAlex.
- IL-6 Enhances the Activation of PI3K-AKT/mTOR-GSK-3β by Upregulating GRPR in Hippocampal Neurons of Autistic Mice.Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2024Article
- Differential effects of antipsychotics on lateral bias and social attention in female rats.Psychopharmacology · 2013Article
- Gastrin-releasing peptide receptors in the central nervous system: role in brain function and as a drug target.Frontiers in endocrinology · 2012Article
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11 authors at 3 institutions in 1 country.
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Abstract
We have previously shown that pharmacological blockade of the gastrin-releasing peptide receptor (GRPR) during the neonatal period in rats produces behavioral features of developmental neuropsychiatric disorders. Here, we show that social interaction deficits in this model are reversed by the atypical antipsychotic clozapine given in the adulthood. In addition, we analyzed the mRNA expression of three neuronal receptors potentially involved in the etiology of disorders of the autism spectrum. Rats were injected with the GRPR antagonist RC-3095 or saline (SAL) from postnatal days 1-10, and tested for social behavior and recognition memory in the adulthood. One hour prior to the behavioral testing, rats were given a systemic injection of clozapine or saline. The mRNA expression of the NR1 subunit of the N-methyl-D-aspartate (NMDA) receptor, the epidermal growth factor receptor (EGFR), and GRPR was measured in the hippocampus and cortex of a separate set of rats given RC-3095 or SAL neonatally. Rats given neonatal RC-3095 showed decreased social interaction and impaired object recognition memory. Clozapine rescued the social interaction impairment. Neonatal treatment with RC-3095 also resulted in dose-dependent decreases in the expression of GRPR, NR1, and EGFR in the cortex, whereas all three receptor mRNAs were increased in the hippocampus in rats treated with the lower dose of RC-3095. The results contribute to further validate the novel rat model of neurodevelopmental disorders induced by GRPR blockade, and shows alterations in the expression of neuronal receptors in this model.
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