Detection of Clostridium difficile toxin: comparison of enzyme immunoassay results with results obtained by cytotoxicity assay

J Clin Microbiol. 2007 Aug;45(8):2737-9. doi: 10.1128/JCM.00686-07. Epub 2007 Jun 13.

Abstract

Several kinds of laboratory techniques are available to detect Clostridium difficile toxin in fecal samples. Because questions have been raised about the reliability of immunoassays compared to the accepted standard, cytotoxicity assay, we studied three enzyme immunoassays (EIAs) and one rapid EIA, which demonstrated relatively good sensitivities and specificities compared to cytotoxicity assay.

Publication types

  • Comparative Study
  • Evaluation Study

MeSH terms

  • Bacterial Proteins / analysis*
  • Bacterial Toxins / analysis*
  • Cell Survival
  • Enterotoxins / analysis*
  • Feces / chemistry*
  • Fibroblasts / drug effects
  • Humans
  • Immunoenzyme Techniques / methods*
  • Sensitivity and Specificity

Substances

  • Bacterial Proteins
  • Bacterial Toxins
  • Enterotoxins
  • tcdA protein, Clostridium difficile
  • toxB protein, Clostridium difficile