Three monoclonal immunoglobulins, an IgG2(kappa), an IgM(kappa) and an IgM/A hybrid, in one patient. I. Isolation and characterization
- PMID: 6795106
- PMCID: PMC1555210
Three monoclonal immunoglobulins, an IgG2(kappa), an IgM(kappa) and an IgM/A hybrid, in one patient. I. Isolation and characterization
Abstract
Three monoclonal immunoglobulin components were identified in the plasma of a patient exhibiting a multiple gammopathy. These were an IgG2(κ) and IgM(κ) and an IgM/A hybrid molecule containing mu, alpha, and kappa antigenic determinants. This is the first report of an immunoglobulin hybrid which consists of portions of two different heavy-chain classes, and the significance of this observation in terms of our present concept of immunoglobulin gene arrangement is discussed.
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