Report

RAG Mutations in Human B Cell-Negative SCID

Science  04 Oct 1996:
Vol. 274, Issue 5284, pp. 97-99
DOI: 10.1126/science.274.5284.97

Abstract

Patients with human severe combined immunodeficiency (SCID) can be divided into those with B lymphocytes (B+ SCID) and those without (B SCID). Although several genetic causes are known for B+ SCID, the etiology of B SCID has not been defined. Six of 14 B SCID patients tested were found to carry a mutation of the recombinase activating gene 1 (RAG-1), RAG-2, or both. This mutation resulted in a functional inability to form antigen receptors through genetic recombination and links a defect in one of the site-specific recombination systems to a human disease.

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