fifty primary gastrointestinal and breast carcinomas , four embryonal rhabdomyosarcomas , six nonmuscular mesenchymal malignant tumors and one mesothelioma have been studied to determine what type of intermediate filaments they express , using affinity purified antibodies to prekeratin , vimentin and desmin and fitc or peroxidase labeled second antibodies .
C0021770
intermediate filaments
C0042666
vimentin