Abstract
The distribution of anti-RNA antibody-binding sites on the surfaces of Ehrlich ascites tumor cells was studied by membrane immuno-fluorescence after binding anti-RNA antibody on the cell surfaces. Results showed that the cells formed caps after incubation with anti-RNA antibody at 4°C and the elevation of their temperature to 37°C. Pronase treatment of the cell surfaces completely inhibited reactivity with anti-RNA antibody. These results suggest that the RNAs on the surfaces of Ehrlich ascites tumor cells are linked to membrane protein membrane-bound cytoskelton complexes.