title: CYFIP family proteins between autism and intellectual disability: links with Fragile X syndrome.
abstract: Intellectual disability (ID) and autism spectrum disorders (ASDs) have in common alterations in some brain circuits and brain abnormalities, such as synaptic transmission and dendritic spines morphology. Recent studies have indicated a differential expression for specific categories of genes as a cause for both types of disease, while an increasing number of genes is recognized to produce both disorders. An example is the Fragile X mental retardation gene 1 (FMR1), whose silencing causes the Fragile X syndrome, the most common form of ID and autism, also characterized by physical hallmarks. Fragile X mental retardation protein (FMRP), the protein encoded by FMR1, is an RNA-binding protein with an important role in translational control. Among the interactors of FMRP, CYFIP1/2 (cytoplasmic FMRP interacting protein) proteins are good candidates for ID and autism, on the bases of their genetic implication and functional properties, even if the precise functional significance of the CYFIP/FMRP interaction is not understood yet. CYFIP1 and CYFIP2 represent a link between Rac1, the WAVE (WAS protein family member) complex and FMRP, favoring the cross talk between actin polymerization and translational control.
authors.affiliation: CNRS, Institute of Molecular and Cellular Pharmacology, UMR 7275 Valbonne, France ; University of Nice Sophia-Antipolis Nice, France ; CNRS, International Associated Laboratories-NEOGENEX Valbonne, France.
authors.forename: Sabiha
authors.initials: S
authors.lastname: Abekhoukh
authors.affiliation: CNRS, Institute of Molecular and Cellular Pharmacology, UMR 7275 Valbonne, France ; University of Nice Sophia-Antipolis Nice, France ; CNRS, International Associated Laboratories-NEOGENEX Valbonne, France.
authors.forename: Barbara
authors.initials: B
authors.lastname: Bardoni
keywords: CYFIP family proteins; F-actin; Fragile X; WAVE complex; autism; dendritic spines; intellectual disability
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