CSRP2 and glioblastoma: To further determine whether CSRP2 is involved in GBM, we compared CSRP2 protein in Normal Human Astrocytes (NHA) and GBM cell lines (U87-MG and U251) and found that CSRP2 levels in GBM cell lines were significantly higher than those in NHA (Fig. 1H, I).