DSCAM and fragile X syndrome: A growing body of evidence supports that mutations in the DSCAM gene (Brown et al., 2001; Darnell et al., 2011; Varghese et al., 2017; Mitsogiannis et al., 2020) and increased DSCAM protein expression are associated with FXS pathogenic mechanisms (Sterne et al., 2015; Montesinos, 2017).