Mice completely suppressed for the expression of immunoglobulin kappa light chain.

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Mice completely suppressed for the expression of immunoglobulin kappa light chain.

Complete suppression of expression of immunoglobulin kappa light chain was achieved by injecting female mice from birth with a mixture of antisera against the mu heavy chain and kappa light chain (anti-mu and anti-kappa). Then their offspring were injected with anti-kappa from birth. This resulted in stable suppression as long as anti-kappa injections were continued. kappa light chain was not d...

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Rearrangement and expression of rabbit immunoglobulin kappa light chain gene in transgenic mice.

To determine whether a foreign unrearranged immunoglobulin gene can be functionally rearranged and expressed in vivo, a rabbit b9 kappa light chain gene construct containing a single germ-line kappa chain variable (V) region gene (V kappa), the five kappa chain joining (J) segments (J kappa), and the kappa chain constant (C) region germ-line gene (C kappa) was introduced into fertilized mouse e...

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Immunoglobulin kappa light chain variable region gene complex organization and immunoglobulin genes encoding anti-DNA autoantibodies in lupus mice.

We have investigated the genetic origin of autoantibody production in several strains of mice that spontaneously develop a systemic lupus erythematosus-like disease. Restriction fragment length polymorphism analyses of gene loci encoding kappa light chain variable regions (Igk-V) demonstrated, as shown previously for the Ig heavy chain locus, that autoantibody production and disease occur in di...

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An Immunoglobulin Light Chain

Identification of the immunogens responsible for the production of pathogenic autoantibodies is a major problem in the field of autoimmunity. In the principal diseases that are thought to involve autoimmunization, rheumatoid arthritis, type I diabetes, and multiple sclerosis are examples, the instigating stimulus is unknown. Another example of the gap in our knowledge of disease-causing immunog...

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Rearrangement and Expression of Immunoglobulin Light Chain Genes Can Precede Heavy Chain Expression during Normal B Cell Development in Mice

In mouse mutants incapable of expressing mu chains, VkappaJkappa joints are detected in the CD43(+) B cell progenitors. In agreement with these earlier results, we show by a molecular single cell analysis that 4-7% of CD43(+) B cell progenitors in wild-type mice rearrange immunoglobulin (Ig)kappa genes before the assembly of a productive VHDHJH joint. Thus, mu chain expression is not a prerequi...

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ژورنال

عنوان ژورنال: Proceedings of the National Academy of Sciences

سال: 1984

ISSN: 0027-8424,1091-6490

DOI: 10.1073/pnas.81.1.211