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Mutations in CHD7 in patients with CHARGE syndrome cause T-B + natural killer cell + severe combined immune deficiency and may cause Omenn-like syndrome

Lookup NU author(s): Dr Andrew Gennery, Dr Andrew McLean-Tooke, Dr Tara Montgomery, Professor Judith Goodship, Professor Alastair Burt, Dr Terence Flood, Dr Mario Abinun, Professor Andrew Cant, Denise Johnson

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Abstract

More than 11 genetic causes of severe combined immunodeficiency (SCID) have been identified, affecting development and/or function of T lymphocytes, and sometimes B lymphocytes and natural killer (NK) cells. Deletion of 22q11.2 is associated with immunodeficiency, although less than 1% of cases are associated with T-B + NK + SCID phenotype. Severe immunodeficiency with CHARGE syndrome has been noted only rarely Omenn syndrome is a rare autosomal recessive form of SCID with erythroderma, hepatosplenomegaly, lymphadenopathy and alopecia. Hypomorphic recombination activating genes 1 and 2 mutations were first described in patients with Omenn syndrome. More recently, defects in Artemis, RMRP, IL7Rα and common gamma chain genes have been described. We describe four patients with mutations in CHD7, who had clinical features of CHARGE syndrome and who had T-B + NK + SCID (two patients) or clinical features consistent with Omenn syndrome (two patients). Immunodeficiency in patients with DiGeorge syndrome is well recognized - CHARGE syndrome should now be added to the causes of T-B + NK + SCID, and mutations in the CHD7 gene may be associated with Omenn-like syndrome. © 2008 British Society for Immunology.


Publication metadata

Author(s): Gennery AR, Slatter MA, Rice J, Hoefsloot LH, Barge D, McLean-Tooke A, Montgomery T, Goodship JA, Burt AD, Flood TJ, Abinun M, Cant AJ, Johnson D

Publication type: Article

Publication status: Published

Journal: Clinical and Experimental Immunology

Year: 2008

Volume: 153

Issue: 1

Pages: 75-80

ISSN (print): 0009-9104

ISSN (electronic): 1365-2249

Publisher: Wiley-Blackwell Publishing Ltd.

URL: http://dx.doi.org/10.1111/j.1365-2249.2008.03681.x

DOI: 10.1111/j.1365-2249.2008.03681.x

PubMed id: 18505430


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