DLC1 and meningioma: Meningioma samples had slightly variable expression levels of DLC1 isoforms 1, 2 and 3, with an approximately twofold lower expression of DLC1-v2 compared to DLC1-v1 and DLC1-v3, but with an apparently lower RNA expression level of DLC1-v5 (p < 0.0001, Kruskal–Wallis test).