CAV1 and neoplasm: For mice injected with HT29(US) cells expressing CAV1 (HT29(US) sh-Scramble), treated or not with either Methotrexate or Etoposide, the tumor mass associated with the intestine, pancreas, spleen and stomach was higher than the tumor mass generated after injection of cells that did not express CAV1 (HT29(US) sh-CAV1 (#5)) (Figure 11C and 11D).