The mannan-binding lectin pathway and lung disease in cystic fibrosis--disfunction of mannan-binding lectin-associated serine protease 2 (MASP-2) may be a major modifier

The lectin pathway of complement activation is initiated by mannan-binding lectin (MBL) or the ficolins through the common MBL-associated serine protease-2 (MASP-2). Deficiency of MBL has been associated with poorer outcome in cystic fibrosis (CF). We investigated the MBL pathway further by analysis...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 121(2006), 3 vom: 01. Dez., Seite 324-31
1. Verfasser: Olesen, H V (VerfasserIn)
Weitere Verfasser: Jensenius, J C, Steffensen, R, Thiel, S, Schiøtz, P O
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 Mannose-Binding Lectin MASP2 protein, human EC 3.4.21.- Mannose-Binding Protein-Associated Serine Proteases
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245 1 4 |a The mannan-binding lectin pathway and lung disease in cystic fibrosis--disfunction of mannan-binding lectin-associated serine protease 2 (MASP-2) may be a major modifier 
264 1 |c 2006 
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520 |a The lectin pathway of complement activation is initiated by mannan-binding lectin (MBL) or the ficolins through the common MBL-associated serine protease-2 (MASP-2). Deficiency of MBL has been associated with poorer outcome in cystic fibrosis (CF). We investigated the MBL pathway further by analysis of the MASP-2 deficiency mutation (D105G) as well as MBL-2 genotypes. Concentrations and genotypes of MASP-2 and MBL in 109 CF patients were correlated to lung function and chronic infections. We describe the first CF patient homozygous for the mutation, a girl with extremely severe lung disease with no other precipitating factors. We suspect total MASP-2 dysfunction to be a major modifier of CF lung disease. However, heterozygosity for the D105G mutation of MASP-2 had no correlation to MBL pathway function or poor lung function. Lung function was higher in the MBL deficiency determining genotypes (XA/YO+YO/YO) than in the other genotypes 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a MASP2 protein, human  |2 NLM 
650 7 |a EC 3.4.21.-  |2 NLM 
650 7 |a Mannose-Binding Protein-Associated Serine Proteases  |2 NLM 
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700 1 |a Jensenius, J C  |e verfasserin  |4 aut 
700 1 |a Steffensen, R  |e verfasserin  |4 aut 
700 1 |a Thiel, S  |e verfasserin  |4 aut 
700 1 |a Schiøtz, P O  |e verfasserin  |4 aut 
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