Table 1

Effect of NK cell depletion and platelet depletion on lung metastasis

Numbers of micrometastases and percentage of inoculated tumor cells were assessed based on counted tumor lung colonies, thickness of tissue sections, and lung volume.
NK cellsPlateletsInoculated tumor cellsMicrometastases per% of inoculated tumor cells
mm2mm3Lung
PresentPresent1 × 10681605.5 × 1045.5
PresentAbsent1 × 1060.482.8 × 1030.3
AbsentPresent3 × 1044802.8 × 10493
AbsentAbsent3 × 1044802.8 × 10493