Journal
MOLECULAR NEUROBIOLOGY
Volume 48, Issue 3, Pages 465-489Publisher
SPRINGER
DOI: 10.1007/s12035-013-8434-6
Keywords
Neurodevelopment; C. elegans; Autism; Epilepsy; Intellectual disability
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Funding
- Fundacao para a Ciencia e Tecnologia (FCT) [PTDC/SAU-GMG/112577/2009]
- FCT [SFRH/BPD/33611/2009, SFRH/BPD/74452/2010]
- Fundação para a Ciência e a Tecnologia [SFRH/BPD/33611/2009, SFRH/BPD/74452/2010, PTDC/SAU-GMG/112577/2009] Funding Source: FCT
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Neurodevelopmental disorders such as epilepsy, intellectual disability (ID), and autism spectrum disorders (ASDs) occur in over 2 % of the population, as the result of genetic mutations, environmental factors, or combination of both. In the last years, use of large-scale genomic techniques allowed important advances in the identification of genes/loci associated with these disorders. Nevertheless, following association of novel genes with a given disease, interpretation of findings is often difficult due to lack of information on gene function and effect of a given mutation in the corresponding protein. This brings the need to validate genetic associations from a functional perspective in model systems in a relatively fast but effective manner. In this context, the small nematode, Caenorhabditis elegans, presents a good compromise between the simplicity of cell models and the complexity of rodent nervous systems. In this article, we review the features that make C. elegans a good model for the study of neurodevelopmental diseases. We discuss its nervous system architecture and function as well as the molecular basis of behaviors that seem important in the context of different neurodevelopmental disorders. We review methodologies used to assess memory, learning, and social behavior as well as susceptibility to seizures in this organism. We will also discuss technological progresses applied in C. elegans neurobiology research, such as use of microfluidics and optogenetic tools. Finally, we will present some interesting examples of the functional analysis of genes associated with human neurodevelopmental disorders and how we can move from genes to therapies using this simple model organism.
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