Estimated disease incidence of RAG1/2 mutations: A case report and querying the Exome Aggregation Consortium.

Kumánovics, Attila; Lee, Yu Nee; Close, Devin W; Coonrod, Emily M; Ujhazi, Boglarka; Chen, Karin; MacArthur, Daniel G; Krivan, Gergely et al. · J Allergy Clin Immunol · 2017

case_report · Level V

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Abstract

RAG deficiency is emerging as one of the leading causes of SCID and leaky SCID with an estimated incidence of 1:336,000. Hypomorphic mutations in the <i>RAG</i> genes can also lead to highly variable delayed-onset combined immunodeficiency diseases. We estimate the population genetic frequency of these hypomorphic diseases as up to 1:181,000, suggesting that <i>RAG1/2</i> mutations are likely to contribute to undiagnosed cases of combined immunodeficiencies.

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