NKAIN1 and neurodevelopmental disorder: Although FABP3 knockout mice have shown decreased social memory and novelty seeking58 and one study found the NKAIN1 protein strongly expressed in the hippocampus and cerebellar granular cell layer59, no evidence for association between duplication of FABP3, SNRNP40, and NKAIN1 genes and neurodevelopmental disorders has been reported.