mouse leukemia cells and normal thymocytes bearing thymus-leukemia ( tl ) cell surface antigens were previously shown to acquire resistance to lysis by guinea pig complement ( c ) during incubation with tl alloantiserum in vitro at 37 degrees c due to heat-labile serum activity resulting in deposition of mouse c3 onto the cell surface .
C0007634
cells
C0699040
cell surface