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Human RAG mutations: biochemistry and clinical implications.


ABSTRACT: The recombination-activating gene 1 (RAG1) and RAG2 proteins initiate the V(D)J recombination process, which ultimately enables the generation of T cells and B cells with a diversified repertoire of antigen-specific receptors. Mutations of the RAG genes in humans are associated with a broad spectrum of clinical phenotypes, ranging from severe combined immunodeficiency to autoimmunity. Recently, novel insights into the phenotypic diversity of this disease have been provided by resolving the crystal structure of the RAG complex, by developing novel assays to test recombination activity of the mutant RAG proteins and by characterizing the molecular and cellular basis of immune dysregulation in patients with RAG deficiency.

SUBMITTER: Notarangelo LD 

PROVIDER: S-EPMC5757527 | biostudies-literature | 2016 Apr

REPOSITORIES: biostudies-literature

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Human RAG mutations: biochemistry and clinical implications.

Notarangelo Luigi D LD   Kim Min-Sung MS   Walter Jolan E JE   Lee Yu Nee YN  

Nature reviews. Immunology 20160321 4


The recombination-activating gene 1 (RAG1) and RAG2 proteins initiate the V(D)J recombination process, which ultimately enables the generation of T cells and B cells with a diversified repertoire of antigen-specific receptors. Mutations of the RAG genes in humans are associated with a broad spectrum of clinical phenotypes, ranging from severe combined immunodeficiency to autoimmunity. Recently, novel insights into the phenotypic diversity of this disease have been provided by resolving the cryst  ...[more]

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