PROBLEM : The mechanisms of the immunosuppressive and immunosuppression-inducing capacities of Jeg-3 human choriocarcinoma cell line supernatants ( HCSs ) are not yet completely understood .
problem : the mechanisms of the immunosuppressive and immunosuppression-inducing capacities of jeg-3 human choriocarcinoma cell line supernatants ( hcss ) are not yet completely understood .
O O O O O O O O O O O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O O B-cell_component O O O O O O O