Diagnostic role of anti-Saccharomyces cerevisiae mannan antibodies combined with antineutrophil cytoplasmic antibodies in patients with inflammatory bowel disease

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Kim, Byeong Gwan; Kim, You Sun; Kim, Joo Sung; Jung, Hyun Chae; Song, In Sung
Issue Date
Springer Verlag
Dis Colon Rectum 2002;45:1062-9
Antibodies, Antineutrophil Cytoplasmic/blood/*immunologyAntibodies, Fungal/blood/*immunologyBiological Markers/bloodChi-Square DistributionEnzyme-Linked Immunosorbent AssayFluorescent Antibody Technique, IndirectInflammatory Bowel Diseases/blood/*diagnosis/*immunologyProspective StudiesSaccharomyces cerevisiae/*immunologySensitivity and SpecificityStatistics, Nonparametric
PURPOSE: Perinuclear antineutrophil cytoplasmic autoantibody is known to be a marker for ulcerative colitis, and anti-Saccharomyces cerevisiae Mannan antibody is a serologic marker associated with Crohn's disease. The aim of this study was to assess the value of detecting perinuclear antineutrophil cytoplasmic autoantibody and/or anti-Saccharomyces cerevisiae Mannan antibody for the diagnosis of ulcerative colitis, Crohn's disease, Behcet's colitis, and tuberculous colitis. METHODS: Serum samples were obtained from 85 patients with Crohn's disease, 77 with ulcerative colitis, 36 with Behcet's colitis, 14 with tuberculous colitis, 20 healthy controls, and 21 first-degree relatives of patients with Crohn's disease. Determination of perinuclear antineutrophil cytoplasmic autoantibody and anti-Saccharomyces cerevisiae Mannan antibody was performed with the standardized indirect immunofluorescence technique and an enzyme-linked immunosorbent assay, respectively. RESULTS: A relatively high percentage of patients with Crohn's disease (49.4 percent), relatives of Crohn's disease patients (61.9 percent), and patients with Behcet's disease (41.7 percent) tested seropositive for anti-Saccharomyces cerevisiae Mannan antibody compared with normal controls (10 percent). In cases of ulcerative colitis, 44.2 percent tested seropositive for perinuclear antineutrophil cytoplasmic autoantibody, whereas the controls showed 0 percent positivity. The combination of a positive anti-Saccharomyces cerevisiae Mannan antibody test and a negative perinuclear antineutrophil cytoplasmic autoantibody yielded a sensitivity and specificity of 48.2 and 87 percent, respectively, for Crohn's disease. The combination of a positive perinuclear antineutrophil cytoplasmic autoantibody test and a negative anti-Saccharomyces cerevisiae Mannan antibody test yielded a sensitivity and specificity of 36.4 and 97.6 percent, respectively, for ulcerative colitis. CONCLUSION: Anti-Saccharomyces cerevisiae Mannan antibody may be associated with Crohn's disease and Behcet's disease and perinuclear antineutrophil cytoplasmic autoantibody with ulcerative colitis. A combination of both tests may aid the differential diagnosis of inflammatory bowel disease.
0012-3706 (Print)
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