GAS5 and secondary progressive multiple sclerosis: Additional interactions were identified between GAS5 rs2067079 and miR-146a rs57095329, as well as between miR-146a rs2910164 and miR-155 rs767649, in association with SPMS risk (P = 0.047 and 0.022, respectively); however, these associations were non-significant after Bonferroni correction.