Genetic variants in YWHAZ contribute to psychiatric disorders such as autism spectrum disorder and schizophrenia, and have been related to an impaired neurodevelopment in humans and mice. Here, we used zebrafish to further understand the mechanisms by which YWHAZ contributes to neurodevelopmental disorders. We observed that ywhaz expression was panneuronal during developmental stages and restricted to Purkinje cells in the adult cerebellum, cells that are described to be reduced in number in autistic patients. We then performed wholebrain imaging in wild-type and ywhaz CRISPR/Cas9 knockout (KO) larvae and found altered .
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