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. 1991 Aug;29(8):1748-51.
doi: 10.1128/jcm.29.8.1748-1751.1991.

Indirect immunofluorescence assay for detection of Helicobacter pylori in human gastric mucosal biopsies

E Rivera  1 , Y López-Vidal, V Luqueño, G M Ruiz-Palacios
Affiliations

Indirect immunofluorescence assay for detection of Helicobacter pylori in human gastric mucosal biopsies

E Rivera et al. J Clin Microbiol. 1991 Aug.

Abstract

To determine sensitivity and specificity of immunofluorescence assay (IFA) for detection of Helicobacter pylori, we studied 151 patients. Biopsies of gastric mucosae were obtained for culture, histological testing, and IFA. H. pylori serum antibodies were tested by enzyme-linked immunosorbent assay. IFA was done on Formalin-preserved, paraffin-embedded biopsies by using rabbit anti-H. pylori and goat anti-rabbit gamma globulin-fluorescein isothiocyanate conjugate. The sensitivity and specificity of IFA compared with culture and Warthin-Starry stain were 93 and 95%, respectively. IFA is an accurate method for the diagnosis of H. pylori infection.

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