Another six investigated gene variants—RAB4B-EGLN2 rs111833532, CDKN1A rs3176326 and rs3176336, MAP1B rs1217817, DYSF–ZNF638 locus rs10191329 and MTSS1 rs9643199—did not show significant associations with the progressive MS phenotype (Table 2). Here, MAP1B is linked to myeloid sarcoma.