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Updated: Jul 5, 2026

Chemically-blocked Antibody Microarray for Multiplexed High-throughput Profiling of Specific Protein Glycosylation in Complex Samples
Published on: May 4, 2012
Crystallocryoglobulinemia resulting from human monoclonal antibodies to albumin
Abstract:
Two patients had a previously unrecognized form of crystallocryoglobulinemia. Their clinical presentations were similar, consisting of necrotizing vasculitis and purpura involving the legs. Analysis of each cryoglobulin complex showed that two components, albumin and a monoclonal IgG-lambda, were present, and both components were needed in a fixed ratio for precipitation. In addition, cryoprecipitation occurred in serum, but not plasma, due to citrate inhibition of complex formation. Our findings suggest that the monoclonal IgGs have the properties of antibodies directed specifically against a calcium-dependent antigenic site on human albumin, and that the resultant IgG-lambda-albumin immune complexes crystallized in the cold.
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