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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
3
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pubmed:dateCreated |
2003-2-21
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pubmed:abstractText |
Moraxella catarrhalis is a common cause of lower respiratory tract infection in adults with chronic obstructive pulmonary disease (COPD). The antibody response to outer membrane protein (OMP) CD, a highly conserved surface protein of M. catarrhalis under consideration as a vaccine antigen, was studied in adults with COPD following 40 episodes of infection or colonization. Following infection or colonization, 9 of 40 patients developed new serum immunoglobulin G (IgG) to OMP CD, as measured by enzyme-linked immunosorbent assay. Adsorption assays revealed that a proportion of the serum IgG was directed toward surface-exposed epitopes on OMP CD in six of the nine patients who developed new IgG to OMP CD. Immunoblot assays with fusion peptide constructs indicated that the new antibodies that developed after infection or colonization recognized conformational epitopes, particularly in the carboxy region of the protein. Three of 28 patients developed new mucosal IgA to OMP CD in sputum supernatants. This study establishes that OMP CD is a target of a systemic and mucosal immune response following infection and colonization in some patients with COPD.
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pubmed:grant |
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/12595444-10024576,
http://linkedlifedata.com/resource/pubmed/commentcorrection/12595444-10395856,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/12595444-9870628
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Mar
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pubmed:issn |
0019-9567
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
71
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1288-94
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pubmed:dateRevised |
2009-11-18
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pubmed:meshHeading |
pubmed-meshheading:12595444-Adult,
pubmed-meshheading:12595444-Antibodies, Bacterial,
pubmed-meshheading:12595444-Bacterial Outer Membrane Proteins,
pubmed-meshheading:12595444-Enzyme-Linked Immunosorbent Assay,
pubmed-meshheading:12595444-Epitopes,
pubmed-meshheading:12595444-Humans,
pubmed-meshheading:12595444-Immunity, Mucosal,
pubmed-meshheading:12595444-Immunoglobulin A, Secretory,
pubmed-meshheading:12595444-Immunoglobulin G,
pubmed-meshheading:12595444-Moraxella (Branhamella) catarrhalis,
pubmed-meshheading:12595444-Pulmonary Disease, Chronic Obstructive
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pubmed:year |
2003
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pubmed:articleTitle |
Human immune response to outer membrane protein CD of Moraxella catarrhalis in adults with chronic obstructive pulmonary disease.
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pubmed:affiliation |
Division of Infectious Diseases, University at Buffalo, The State University of New York, New York, USA. murphyt@acsu.buffalo.edu
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, U.S. Gov't, Non-P.H.S.
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