Fig. 3.

Specific antibody production in C57BL/6 mice injected with breast cancer cells, Toxoplasma gondii, or antigen-pulsed DCs. Serum samples were obtained from mice at the indicated time points, and then (A) IgG, (B) IgG1, and (C) IgG2a titers of each group were measured at 0, 8, and 16 days after cancer cell injection using ELISA. Data are expressed as the mean±SD of 5 mice. Control, untreated control mice; Cancer, injection with E0771 mouse breast cancer cells subcutaneously; DCV, injection with antigen-pulsed dendritic cells intraperitoneally; Cancer/DCV, mice injected with cancer cells and antigen-pulsed dendritic cells; TG, infection with T. gondii Me49 cysts orally; TG/Cancer, mice infected with T. gondii and then injected with cancer cells; and TG/Cancer/DCV, mice infected with T. gondii, and then injected with cancer cells and antigen-pulsed dendritic cells. *P<0.05 compared with control or Cancer-injected group.