Memory switched B cell percentage and not serum immunoglobulin concentration is associated with clinical complications in children and adults with specific antibody deficiency and common variable immunodeficiency

Although idiopathic humoral immunodeficiencies are arbitrarily classified into specific antibody deficiency (SAD) or common variable immunodeficiency (CVID), this distinction does not accurately predict the risk of the bronchiectasis, one of the major long-term clinical complications in these patien...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 120(2006), 3 vom: 04. Sept., Seite 310-8
1. Verfasser: Alachkar, Hana (VerfasserIn)
Weitere Verfasser: Taubenheim, Nadine, Haeney, Mansel R, Durandy, Anne, Arkwright, Peter D
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Immunoglobulins
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245 1 0 |a Memory switched B cell percentage and not serum immunoglobulin concentration is associated with clinical complications in children and adults with specific antibody deficiency and common variable immunodeficiency 
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520 |a Although idiopathic humoral immunodeficiencies are arbitrarily classified into specific antibody deficiency (SAD) or common variable immunodeficiency (CVID), this distinction does not accurately predict the risk of the bronchiectasis, one of the major long-term clinical complications in these patients. In this study, clinical complications were compared with laboratory markers of cellular and humoral immunity in fifty-five consecutive patients (27 children and 28 adults) attending regional immunology clinics in Manchester, United Kingdom. Reduced CD19(+)CD27(+)IgD(-) B cell percentage but not serum immunoglobulin levels or classification of patients into SAD and CVID was associated with a significantly higher prevalence of bronchiectasis (OR 0.4 (0.2-0.8), P = 0.001), splenomegaly (OR 0.2 (0.1-0.5), P = 0.001) and autoimmunity (OR 0.4 (0.2-0.7), P = 0.003). We conclude that in patients with idiopathic humoral immunodeficiencies assessment of B cell switching more accurately predicts clinical prognosis than either classification of patients into SAD and CVID or serum immunoglobulin concentrations 
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700 1 |a Taubenheim, Nadine  |e verfasserin  |4 aut 
700 1 |a Haeney, Mansel R  |e verfasserin  |4 aut 
700 1 |a Durandy, Anne  |e verfasserin  |4 aut 
700 1 |a Arkwright, Peter D  |e verfasserin  |4 aut 
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