A novel mutation in ORAI1 presenting with combined immunodeficiency and residual T-cell function.

Chou, Janet; Badran, Yousef R; Yee, Christina S K; Bainter, Wayne; Ohsumi, Toshiro K; Al-Hammadi, Suleiman; Pai, Sung-Yun; Feske, Stefan et al. · J Allergy Clin Immunol · 2015

case_report · Level V

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Abstract

This study identifies a novel <i>ORAI1</i> mutation that abolishes protein expression, but permits robust lymphocyte proliferation to mitogens. It is important to consider ORAI1 deficiency in the setting of a combined immunodeficiency with normal T cell numbers and residual T cell function.

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