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Updated: Jun 3, 2026

A Protein Microarray Assay for Serological Determination of Antigen-specific Antibody Responses Following Clostridium difficile Infection
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Published on: June 15, 2018

The host immune response to Clostridium difficile.

Ciarán P Kelly1, Lorraine Kyne2

  • 1Gastroenterology Division, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, USA.

Journal of Medical Microbiology
|March 19, 2011
PubMed
Summary
This summary is machine-generated.

Clostridium difficile infection (CDI) is a common cause of hospital-acquired diarrhea. Immune responses to C. difficile toxins influence disease severity, with robust responses linked to better outcomes and potential therapeutic strategies.

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Published on: May 25, 2017

Area of Science:

  • Microbiology
  • Immunology
  • Infectious Diseases

Background:

  • Clostridium difficile is a leading cause of nosocomial bacterial diarrhea.
  • Pathogenic C. difficile strains produce toxins A and B, which cause diarrhea and colitis.
  • Immune responses, both adaptive and innate, play a critical role in C. difficile infection (CDI) outcomes.

Purpose of the Study:

  • To review the role of immune responses in Clostridium difficile infection.
  • To explore immune-based therapeutic and preventative strategies for CDI.
  • To identify host risk factors and clinical predictors for CDI severity and recurrence.

Main Methods:

  • Review of existing literature on C. difficile pathogenesis and host immunity.
  • Analysis of adaptive and innate immune responses to C. difficile toxins.
  • Examination of host risk factors and clinical outcomes in CDI patients.

Main Results:

  • Robust antitoxin immune responses correlate with better outcomes (asymptomatic carriage, single-episode CDI).
  • Innate immune responses, particularly neutrophil infiltration, contribute to CDI-associated tissue injury.
  • Clinical predictors of severe CDI include elevated white blood cell count and creatinine.

Conclusions:

  • Immune-based strategies, including vaccination and immunotherapy, show promise for CDI prevention and treatment.
  • Modulating the acute inflammatory response may protect against C. difficile-induced intestinal injury.
  • Further research is needed to refine clinical applications of novel antimicrobials and immunotherapies for CDI.