[Monoclonal antibody to human pancreatic carcinoma cells]

Gan No Rinsho. Japan Journal of Cancer Clinics

|January 1, 1987

Abstract:

A monoclonal antibody (MoAb, SK-930) of the IgG2a subclass to human pancreatic carcinoma cells (MIA-PaCa 2) was obtained by hybridization of spleen cells from immunized Balb/c mice with murine myeloma cells. SK-930 was investigated for reacting in indirect immunofluorescence on FACS against a panel comprising 12 types of different origin. SK-930 reacted with seven out of 11 tumor cells and with one PBL. Immunoperoxidase techniques (ABC method) showed that SK-930 antigen was present on pancreatic adenocarcinoma cells, but could not be detected on normal pancreatic tissue. Immunoprecipitation experiments and SDS-PAGE analysis revealed that SK-930 recognized 134K dalton peptide on tumor cells. These results suggest that SK-930 reacts with a novel pancreatic cancer-associated antigen.

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