Seven Rho GTPases (RND1, RND3, RAC3, RHOA, RAC2, RAC1 and RHOC) showed a significantly greater connectivity in grade IV glioma and seven (CHP, RHOD, RHOF, RHOB, RHOQ, RND2, RHOBTB3) showed greater connectivity in grade II glioma. Here, RND3 is linked to central nervous system cancer.