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Updated: Aug 15, 2026

Chemically-blocked Antibody Microarray for Multiplexed High-throughput Profiling of Specific Protein Glycosylation in Complex Samples
Published on: May 4, 2012
Monoclonal antibodies against sheep immunoglobulin light chain, IgM and IgA
1C.S.I.R.O. Division of Animal Health, McMaster Laboratory, Glebe, N.S.W., Australia.
Abstract:
Monoclonal antibodies specific for sheep immunoglobulin light chain, IgM and IgA were produced by conventional cell fusion technology. Purified light chain and IgM were used to verify the specificity of anti-light chain and anti-IgM hybridoma supernatants using passive haemagglutination assays, radioimmunoassays and immunoelectrophoresis. In the absence of pure IgA, verification of monoclonal anti-IgA was, based on paired staining of intestinal lymph smears and comparing the percentage of cells stained with hybridoma supernatant with the percentage of cells stained with polyclonal anti-alpha serum.
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Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
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The basic structure of an antibody consists of four protein chains: two identical heavy chains and two identical light chains. These chains are held together by disulfide bonds and other non-covalent interactions, forming a Y-shaped structure.