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Genetic polymorphism of IgG in the mink. III. Instability of expression and the problem of the genetic control of C gamma-allotypes.

Authors
Type
Published Article
Journal
Experimental and clinical immunogenetics
Publication Date
Volume
4
Issue
2
Pages
73–80
Identifiers
PMID: 3152538
Source
Medline
License
Unknown

Abstract

Quantitative expression of C gamma-allotype H4 of mink immunoglobulins was studied by enzyme-linked immunosorbent assay. The results presented suggest that production of H4 is under specific regulation. the concentration of H4 varies three orders of magnitude (10-10,000 micrograms/ml) from one mink to another. Fifteen percent of the sera of normal minks have the low H4 concentration, undetectable by the standard procedure of double immunodiffusion routinely used to test mink IgG allotypes. However, expression of these 'minor' allotypes may be significantly enhanced by hyperimmunization. Instability of this kind seems to be the main cause of earlier described deviations from Mendelian inheritance of C gamma-allotypes H2, H3 and H4.

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