The odds ratios (ORs) of these genes were significantly high, indicating a positive causal relationship with meningiomas (TRPC6: ORIVW = 2.11; XBP1: ORIVW = 1.40; TTC28: ORIVW = 1.93 and ODF3: ORWald ratio = 4.76). This evidence concerns the gene CIMAP1A and meningioma.