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Updated: Oct 7, 2025
09:12
A Protein Microarray Assay for Serological Determination of Antigen-specific Antibody Responses Following Clostridium difficile Infection
Published on: June 15, 2018
10.2K
Host Immune Responses to Clostridioides difficile: Toxins and Beyond
Britt Nibbering1,2, Dale N Gerding3, Ed J Kuijper1,2
1Center for Microbiome Analyses and Therapeutics, Leiden University Medical Center, Leiden, Netherlands.
Frontiers in Microbiology
|January 7, 2022
Summary
Clostridioides difficile infection (CDI) is a major cause of hospital-acquired diarrhea. This review compares immune responses to toxigenic and non-toxigenic C. difficile, highlighting non-toxin proteins as a potential therapeutic target.
Area of Science:
- Microbiology
- Immunology
- Infectious Diseases
Background:
- Clostridioides difficile infection (CDI) is a significant cause of nosocomial diarrhea, often resistant to antibiotics.
- Toxin production is the primary virulence mechanism in CDI.
- Treatment failures and recurrence necessitate novel therapeutic strategies.
Purpose of the Study:
- To comprehensively describe and compare host immune responses to toxigenic and non-toxigenic C. difficile.
- To evaluate the role of non-toxin proteins in immune responses.
- To explore the potential of non-toxigenic strains and non-toxin-based immunization for CDI prevention and treatment.
Main Methods:
- Review of existing literature on immune responses to C. difficile.
- Comparison of immune responses to toxigenic C. difficile and non-toxigenic C. difficile (focusing on non-toxin proteins).
- Evaluation of toxin-based and non-toxin-based immunization studies.
Main Results:
- Similarities observed in host immune responses to toxigenic and non-toxigenic C. difficile, including granulocyte influx and T-cell responses.
- Differences in immune responses may indicate genuine variations or knowledge gaps regarding non-toxigenic C. difficile.
- Plasma cells play a crucial role in protection against CDI, as indicated by immunization studies.
Conclusions:
- Immune responses to non-toxin proteins of C. difficile warrant further investigation.
- Non-toxigenic C. difficile strains and non-toxin-based approaches show promise for future CDI therapies.
- Focusing research on non-toxin proteins is vital given the limited success of toxin-based interventions.
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