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Behavioral, morphological and neurochemical analysis in a autism animal model

Grant number: 16/06971-6
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): September 01, 2016
Effective date (End): August 31, 2017
Field of knowledge:Health Sciences - Speech Therapy
Principal researcher:Luciana Pinato
Grantee:Maisa Oliveira Silva
Home Institution: Faculdade de Filosofia e Ciências (FFC). Universidade Estadual Paulista (UNESP). Campus de Marília. Marília , SP, Brazil


The endotoxin lipopolysaccharide (LPS), when administered to a pregnant female during the gestation period, increase proinflammatory cytokines, mimicking prenatal inflammation frame. Thus, the offspring of rats exposed to LPS presents problems in neurodevelopment which result in behavioral and cognitive problems. Among the various pathologies involving disturbances in neurodevelopment is the autistic spectrum disorder (ASD). Still without a defined cause in humans, it is known that in addition to behavioral disorders and communication / social interaction, make up the framework attentional problems, learning and memory depending on the degree of involvement. Research on the effects of prenatal inflammatory condition on behavior and neurochemistry of brain specific areas such as the hippocampus, is an important tool to support future studies to develop pharmacological or behavioral therapies to improve memory and learning frameworks. Knowing that the injection of LPS in a specific stage of neurodevelopment results in offspring that shows autistic behaviors, the aim of this study is to investigate the spatial memory and hippocampal neurochemistry of the offspring of rats exposed to LPS and control rats. To characterize the neurochemical the distribution pattern and the number of NeuN immunoreactive neurons, GFAP, and Ca2 + binding proteins will be analyzed in the hippocampus. Our expectation is to describe, behavioral and neurochemical characteristics that contribute to the understanding of the difficulties of learning disorders that coincide with neurodevelopmental problems. (AU)

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