In Materials and Methods, with the ratio of talin and tubulin intensities set to 100 for the negative control. (B) Association (open bars) and phagocytosis (closed bars) indices of J774 macrophages challenged with either C3bi- (top) or IgG- (bottom) RBCs. Indices were related to the values obtained from the negative controls (phagocytic indices of 110.5 5.7 and 131.5 2.1 for C3bi- and IgG-RBCs, r