Tumor/blood ratios in GBM/MT1-MMP+ tumors were 0.88±0.08, 1.07±0.19, 1.29±0.12 and 1.31±0.29 at 1, 2, 4 and 7 days post-injection, respectively (Fig 3B middle panel). The gene discussed is MMP14; the disease is neoplasm.