MKI67 and neoplasm: In order to investigate if the expression of Ki67, LAT1 and LAT2 were similar between the xenografts, the patient tumor (GBM_CHP048) used for the establishment of the xenografts and tumor specimens from a panel of 19 GBM patients, we performed qPCR and compared the NRQs relative to the gene expression in human jejunum, which was adjusted to 100.