CTLA4 and neoplasm: Importantly, however, both flow cytometry analysis of TILs (Fig.7A) and immunofluorescence analysis of tumor section (Fig.7B) showed significantly more CD1d+ cells in TILs of mice where anti-CTLA4 production was induced by Dox than in Tx(LV-aCTLA4) mice without Dox treatment and control mice that received mock transplantation (p = 0.026).