TP53 and glioblastoma: Thus, we found recently that two GBM lines U373-MG and SNB19 (mutated in both PTEN and p53), exhibited much higher invasion rates through Matrigel-coated filters (Boyden chamber assay), as compared to DK-MG, GaMG and U87-MG cells (Djuzenova et al., unpublished data).