FAS and spinocerebellar ataxia 7: Nowadays, there is only one report by Borgonio-Cuadra et al. that describes the possible participation of the FAS signaling pathway, heparan sulfate biosynthesis and SNARE interaction in vesicular transport (which are considered targets of the miRNAs hsa-let-7e-5p, hsa-let-7a-5p, hsa-miR-18a-5p and hsa-miR-30b-5) in patients with SCA7.