Focus on FOCIS : the continuing diagnostic challenge of autosomal recessive chronic granulomatous disease

Chronic granulomatous disease (CGD) is a primary immunodeficiency of defective neutrophil oxidative burst activity due to mutations in the genes CYBA, NCF-1, NCF-2, and CYBB, which respectively encode the p22-phox, p47-phox, p67-phox, and gp91-phox subunits. CGD usually presents in early childhood w...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 128(2008), 2 vom: 31. Aug., Seite 117-26
1. Verfasser: Yu, Grace (VerfasserIn)
Weitere Verfasser: Hong, David K, Dionis, Kira Y, Rae, Julie, Heyworth, Paul G, Curnutte, John T, Lewis, David B
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Case Reports Journal Article Research Support, Non-U.S. Gov't Phosphoproteins neutrophil cytosol factor 67K NADPH Oxidases EC 1.6.3.- NCF2 protein, human EC 1.6.3.1
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520 |a Chronic granulomatous disease (CGD) is a primary immunodeficiency of defective neutrophil oxidative burst activity due to mutations in the genes CYBA, NCF-1, NCF-2, and CYBB, which respectively encode the p22-phox, p47-phox, p67-phox, and gp91-phox subunits. CGD usually presents in early childhood with recurrent or severe infection with catalase-positive bacteria and fungi. We present an unusual case of CGD in which Burkholderia cepacia lymphadenitis developed in a previously healthy 10-year-old girl. Flow cytometric analysis of dihydrorhodamine (DHR)-labeled neutrophils performed by a CLIA-approved outside reference laboratory was reported as normal. However, we found that this patient's neutrophil oxidative burst activity in DHR assays was substantially reduced but not absent. A selective decrease in intracellular staining for p67-phox suggested the diagnosis of autosomal recessive CGD due to NCF-2 gene mutations, and a novel homozygous and hypomorphic NCF-2 gene mutation was found. The potential mechanisms for this delayed and mild presentation of CGD are discussed 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Hong, David K  |e verfasserin  |4 aut 
700 1 |a Dionis, Kira Y  |e verfasserin  |4 aut 
700 1 |a Rae, Julie  |e verfasserin  |4 aut 
700 1 |a Heyworth, Paul G  |e verfasserin  |4 aut 
700 1 |a Curnutte, John T  |e verfasserin  |4 aut 
700 1 |a Lewis, David B  |e verfasserin  |4 aut 
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