Fig. 2

Representative example of the immunoblotting pattern displayed by the same serum tested on the different antigenic extracts. a CCLP1 cell line; b CCSW1 cell line; c tumour part of cholangiocarcinoma; d non-tumour part adjacent to the cholangiocarcinoma; e normal liver. Counts with arrows correspond to the different immunoreactive spots detected on the corresponding Coomassie-stained gel (see Figs. 3, 4, 5, 6, 7) and listed in Additional file 1: Table S1a, b