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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
6
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pubmed:dateCreated |
2006-6-8
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pubmed:abstractText |
Inflammatory bowel disease (IBD) is the general term used for a heterogeneous group of intestinal disorders, including Crohn's disease (CD) and ulcerative colitis (UC). Serological markers such as anti-Saccharomyces cerevisiae antibodies (ASCA) and atypical perinuclear antineutrophilic cytoplasmic antibody (atypical pANCA) have proven useful in the diagnosis and differentiation of CD and UC. Immunoglobulin A (IgA) antibody directed against the outer membrane protein C (OmpC) of Escherichia coli is said by one group to have clinical utility in diagnosing IBD, specifically in ASCA-negative CD patients. Our objective in this study was to compare the results obtained from two separate laboratories offering similar IBD tests using sera from suspected IBD patients. One hundred ninety-seven sera received for IBD testing were included in the study. The agreement between the two laboratories was 93.4% for ASCA IgA, 90.9% for ASCA IgG, and 87.8% for atypical pANCA IgG. There were 25 sera with ASCA-negative/OmpC-positive results reported by one laboratory. Thirteen of these 25 (52.0%) ASCA-negative/OmpC-positive sera were also atypical pANCA positive (9 as determined by both laboratories, 3 by one, and 1 by the other). Atypical pANCA antibody is found primarily in IBD patients with UC and colon-limited CD (Crohn's colitis). We conclude that the ASCA and atypical pANCA assays showed good agreement between the two laboratories, but the data for ASCA-negative/OmpC-positive sera suggest that many (52.0%) of these patients were more likely to have had UC or Crohn's colitis based on the presence of an atypical pANCA.
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/16760323-10092326,
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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 |
Jun
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pubmed:issn |
1556-6811
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
13
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
655-60
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pubmed:dateRevised |
2009-11-18
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pubmed:meshHeading |
pubmed-meshheading:16760323-Adult,
pubmed-meshheading:16760323-Aged,
pubmed-meshheading:16760323-Antibodies, Fungal,
pubmed-meshheading:16760323-Female,
pubmed-meshheading:16760323-Fluorescent Antibody Technique,
pubmed-meshheading:16760323-Humans,
pubmed-meshheading:16760323-Immunoenzyme Techniques,
pubmed-meshheading:16760323-Immunoglobulin A,
pubmed-meshheading:16760323-Immunoglobulin G,
pubmed-meshheading:16760323-Inflammatory Bowel Diseases,
pubmed-meshheading:16760323-Male,
pubmed-meshheading:16760323-Middle Aged,
pubmed-meshheading:16760323-Porins,
pubmed-meshheading:16760323-Saccharomyces cerevisiae
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pubmed:year |
2006
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pubmed:articleTitle |
Analysis of serum antibodies in patients suspected of having inflammatory bowel disease.
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pubmed:affiliation |
Associated Regional and University Pathologists Institute for Clinical and Experimental Pathology, 500 Chipeta Way, Salt Lake City, UT 84108, USA. jaskowtd@aruplab.com
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pubmed:publicationType |
Journal Article,
Comparative Study,
Multicenter Study
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