cells were microinjected with four mouse monoclonal antibodies that were directed against either alpha- or beta-tubulin subunits , one monoclonal with activity against both subunits , and a guinea pig polyclonal antibody with activity directed against both subunits , to determine the effects on the distribution of cytoplasmic microtubules and 10-nm filaments .
C0041348
tubulin
C0026046
cytoplasmic microtubules