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Exome sequencing identifies GATA-2 mutation as the cause of dendritic cell, monocyte, B and NK lymphoid deficiency

Lookup NU author(s): Dr Rachel Dickinson, Dr Helen Griffin, Dr Venetia Bigley, Dr Louise Reynard, Raf Hussain, Professor Muzlifah Haniffa, Professor Jeremy Lakey, Dr Thahira Rahman, Dr Xiao Wang, Dr Naomi McGovern, Sarah Pagan, Dr Sharon Cookson, Dr David McDonald, Dr Jonathan Wallis, Professor Andrew Cant, Professor Bernard Keavney, Professor Patrick Chinnery, Professor John Loughlin, Professor Sophie Hambleton, Dr Mauro Santibanez Koref, Professor Matthew Collin

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Abstract

The human syndrome of dendritic cell, monocyte, B and natural killer lymphoid deficiency presents as a sporadic or autosomal dominant trait causing susceptibility to mycobacterial and other infections, predisposition to myelodysplasia and leukemia, and, in some cases, pulmonary alveolar proteinosis. Seeking a genetic cause, we sequenced the exomes of 4 unrelated persons, 3 with sporadic disease, looking for novel, heterozygous, and probably deleterious variants. A number of genes harbored novel variants in person, but only one gene, GATA2, was mutated in all 4 persons. Each person harbored a different mutation, but all were predicted to be highly deleterious and to cause loss or mutation of the C-terminal zinc finger domain. Because GATA2 is the only common mutated gene in 4 unrelated persons, it is highly probable to be the cause of dendritic cell, monocyte, B, and natural killer lymphoid deficiency. This disorder therefore constitutes a new genetic form of heritable immunodeficiency and leukemic transformation.


Publication metadata

Author(s): Dickinson RE, Griffin H, Bigley V, Reynard LN, Hussain R, Haniffa M, Lakey JH, Rahman T, Wang XN, McGovern N, Pagan S, Cookson S, McDonald D, Chua I, Wallis J, Cant A, Wright M, Keavney B, Chinnery PF, Loughlin J, Hambleton S, Santibanez-Koref M, Collin M

Publication type: Article

Journal: Blood

Year: 2011

Volume: 118

Issue: 10

Pages: 2656-2658

Print publication date: 15/07/2011

ISSN (print): 0006-4971

ISSN (electronic): 1528-0020

Publisher: American Society of Hematology

URL: http://dx.doi.org/10.1182/blood-2011-06-360313

DOI: 10.1182/blood-2011-06-360313

PubMed id: 21765025


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