FMR1-AS1 and fragile X-associated tremor/ataxia syndrome: Notably, evidence demonstrated that the ASFMR1/FMR4 gene plays a role in neurodevelopment as it is involved in early neural differentiation and emerged as a promising biomarker for FXTAS, a neurodegenerative disorder (Peschansky et al., 2016; Vittal et al., 2018).