CONSTRUCTION OF BACTERIOPHAGE EXPRESSING MOUSE MONOCLONAL FAB FRAGMENTS DIRECTED AGAINST THE HUMAN MN-GLYCOPHORIN BLOOD-GROUP ANTIGENS

被引：10

作者：

CZERWINSKI, M ^{[1
]}

SIEGEL, DL ^{[1
]}

MOORE, JS ^{[1
]}

SPITALNIK, PF ^{[1
]}

SPITALNIK, SL ^{[1
]}

机构：

[1] UNIV PENN,DEPT PATHOL & LAB MED,PHILADELPHIA,PA 19104

来源：

TRANSFUSION | 1995年 / 35卷 / 02期

关键词：

D O I：

10.1046/j.1537-2995.1995.35295125736.x

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Background: The MN human blood group antigens are complex glycopeptide antigens at the amino terminus of glycophorin A. Many different mouse monoclonal antibodies to these antigens have been produced and characterized. The construction of combinatorial immunoglobulin libraries displaying antibody Fab fragments on the surface of bacteriophage (Fab-phage) represents a novel approach for developing monoclonal reagents, for exploring the diversity of the immune response to specific antigens, and for understanding the molecular basis of the interaction of an antibody with its antigen. However, it Is necessary to determine whether Fab fragments displayed on bacteriophage surfaces retain immunologic characteristics similar to the intact antibodies. Study Design and Methods: Fab-phage were constructed from three anti-N (AH7, N61, and N92) and two anti-M (425/2B and M2A1) murine hybridomas. The Fab-phage and parental hybridomas were compared by enzyme-linked immunosorbent assay, Western blotting, and flow cytometry. Results: In each case, the Fab-phage and its parental hybridoma antibody had similar immunologic characteristics. In particular, their dependence on the pH of the buffer and on sialylation of the target antigen was similar. Conclusion: These results suggest that Fab-phage may provide novel reagents with applications in immunohematology and may be useful in the study of the immune response to human blood group antigens.

引用

页码：137 / 144

页数：8

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