carcinomas of different origin have been tested in immunofluorescence microscopy with the monoclonal murine antibodies ck1-ck4 , which recognize a single cytokeratin polypeptide ( human cytokeratin no . 18 ) present in simple but not in stratified squamous epithelia , and with the monoclonal antibody kg8.13 and guinea pig kera antibodies , both of which recognize a variety of cytokeratins common to almost all epithelial cell types .
C0003250
monoclonal antibody
C0003241
antibodies