moreover , one- and two-dimensional sds-polyacrylamide gel electrophoresis of high salt/detergent resistant cytoskeletal residues from tumour material , isolated by microdissection from frozen sections , revealed the presence of cytokeratin components 8 and 18 which are characteristic constituents of cytokeratin filaments of simple epithelia .
C0010853
cytoskeletal
C1268448
cytokeratin filaments