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Murine monoclonal antibodies to human pancreatic cancer: specificity and sensitivity
J G Jakowatz1, K Gan, T R Ulich
1Surgical Service, Veterans Administration Medical Center, Long Beach, Calif.
Abstract:
Pancreatic carcinoma (n = 7), pancreatitis tissue (n = 4), normal pancreas tissue (n = 5), colonic adenocarcinoma (n = 4) and in vitro human pancreatic cancer cell lines (n = 6) were studied with the murine monoclonal antibodies (MAbs) 3DS2A, AR1-28, AR2-20, Ca19-9 and CA17-1A to determine their immunohistologic specificity and sensitivity for use as radiolabeled diagnostic imaging agents. Using the avidinbiotin-immunoperoxidase staining technique, MAbs 3DS2A and AR1-28 stained 86 and 100% of pancreatic cancer specimens, respectively. MAbs 3DS2A and AR1-28 are suitable agents for use as radiolabeled diagnostic imaging agents in patients with pancreatic cancer.