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. 1973 May;52(5):1067–1077. doi: 10.1172/JCI107272

The Relationship Between L-Chain Synthesis and γ-Globulin Production

Christine Waterhouse 1, George Abraham 1, John Vaughan 1
PMCID: PMC302361  PMID: 4121699

Abstract

The simultaneous administration of labeled human γG globulin and L-chains to subjects has allowed examination of the metabolic relationship between a component part and the whole immunoglobulin molecule. Studies were carried out in a series of control subjects and in a group of patients where substandard production of γ-globulin was anticipated, i.e., patients with the nephrotic syndrome on chronic Imuran therapy and patients with uremia. Full expression of the plasma decay curve was obtained for both substances, that for L-chain requiring only 4-5 days except in uremic subjects and that for γ-globulin requiring up to 30-40 days. Urinary excretion of inorganic iodide was also quantitated for 20-30 days. Equilibrium of the extravascular, vascular, and urinary radioactivity from the labeled γG globulin was usually not seen during this time interval suggesting more than one site of catabolism of the protein.

Excess L-chain poduction was about 45% of the total L-chain production and probably in no instance could account for the low γ-globulin production seen in certain patients with renal disease.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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