colloidal gold , indicating the presence of alpha-actinin , was localized on the z bands of nascent myofibrils in myocytes and on stress fiber bundles in nonmuscle cells . alpha-actinin staining was also seen on stellate foci , where cytoskeletal filaments converged along the inner myocyte cell membranes .
C0007634
cells
C0010851
cytoskeletal filaments