Association of MASP-2 levels and MASP2 gene polymorphisms with rheumatoid arthritis in patients and their relatives

Mannan-binding lectin-associated serine protease 2 (MASP-2) is a key protein of the lectin pathway of complement. MASP-2 levels have been associated with different polymorphisms within MASP2 gene as well as with the risk for inflammatory disorders and infections. Despite its clinical importance, MAS...

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Veröffentlicht in:PloS one 2014-03, Vol.9 (3), p.e90979-e90979
Hauptverfasser: Goeldner, Isabela, Skare, Thelma, Boldt, Angelica B W, Nass, Flavia R, Messias-Reason, Iara J, Utiyama, Shirley R
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Sprache:eng
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Zusammenfassung:Mannan-binding lectin-associated serine protease 2 (MASP-2) is a key protein of the lectin pathway of complement. MASP-2 levels have been associated with different polymorphisms within MASP2 gene as well as with the risk for inflammatory disorders and infections. Despite its clinical importance, MASP-2 remains poorly investigated in rheumatoid arthritis (RA). In this case-control study, we measured MASP-2 serum levels in 156 RA patients, 44 patient relatives, and 100 controls from Southern Brazil, associating the results with nine MASP2 polymorphisms in all patients, 111 relatives, and 230 controls genotyped with multiplex SSP-PCR. MASP-2 levels were lower in patients than in controls and relatives (medians 181 vs. 340 or 285 ng/ml, respectively, P
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0090979