RNAseq of primary (mng_50, mng_20, mng_84, mng_46) and established meningioma cell lines (IOMM-Lee, CH157) demonstrated increased CDKN2A expression in mng_46 and mng_84 cell lines and decreased RB1 expression (Fig. 5n). The gene discussed is RB1; the disease is meningioma.