Moreover, TRAF7 meningiomas express >5-fold higher levels of VEGFA compared to NF2 tumors (Figure S3B, right panel and Supplemental file 1), suggesting that VEGFA together with other DEGs from the RAP1 signaling pathway may be responsible for the secretory phenotype of KLF4 meningiomas. This evidence concerns the gene KLF4 and meningioma.