GABRB3 and autism: 15q11–q13 site contains coding regions of specific subunits of GABA-AR, including GABRB3, GABRA5, and GABRG3, which are strongly implicated in the pathogenesis of autism (Delahanty et al., 2011; Bonnet-Brilhault et al., 2016; Guo et al., 2017).