Abstract

A combinatorial cDNA library of mouse variable immunoglobulin genes from mice immunized with recombinant human interferon β1b (rhIFN-β1b) has been constructed. For this purpose, cDNA of variable genes of heavy (VH) and light (VL) immunoglobulin chains amplified from splenocytes were joined by linker DNA to form single-chain antibodies (single-chain Fv-antibodies, or ScFv’s). The ScFv-DNA pool thus obtained was cloned into a phagemid vector and used to transform Escherichia coli. Bacterial clones that produce single-chain antibodies that are specific to rhIFN-β1b ScFv’s were selected using the technique of phage display. Such characteristics of generated library as abundance, functional size, and initial diversity of the ScFv-DNA sequences were established in the study. A high degree of specificity of interaction of selected phage displayed ScFv’s with rhIFN-β1b has been demonstrated.

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