Both normal and malignant cells contain gangliosides as important cell membrane constituents that , after being shed , may influence cells of the immune system .
both normal and malignant cells contain gangliosides as important cell membrane constituents that , after being shed , may influence cells of the immune system .
O O O O O O B-other_organic_compound O O B-cell_component I-cell_component O O O O O O O O O O O O B-body_part I-body_part O