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Updated: Feb 9, 2026
09:12
A Protein Microarray Assay for Serological Determination of Antigen-specific Antibody Responses Following Clostridium difficile Infection
Published on: June 15, 2018
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Targeting Clostridium difficile Surface Components to Develop Immunotherapeutic Strategies Against Clostridium
Séverine Péchiné1, Jean F Bruxelle1, Claire Janoir1
1EA 4043, Unités Bactéries Pathogènes et Santé, Université Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France.
Frontiers in Microbiology
|June 8, 2018
Summary
New immunization strategies targeting Clostridium difficile surface components show promise for preventing and treating infections. Both passive and active immunization approaches are being explored to combat this growing public health threat.
Area of Science:
- Microbiology
- Immunology
- Infectious Diseases
Background:
- Clostridium difficile infection (CDI) poses a significant challenge due to rising antibiotic resistance.
- Surface components of C. difficile, beyond toxins, act as colonization factors and are immunogenic.
- Novel therapeutic and preventive strategies are urgently needed.
Purpose of the Study:
- To review passive and active immunization strategies against C. difficile surface components.
- To evaluate the efficacy of these strategies in combating C. difficile infections.
- To highlight potential avenues for new vaccine development.
Main Methods:
- Review of studies on passive immunization using antisera, specific surface component antibodies, and immunoglobulin concentrates.
- Review of studies on active immunization using bacterial extracts, spore proteins, and vegetative cell surface components.
- Analysis of vaccine assays in various animal models (hamster, mouse) via parenteral and mucosal routes.
Main Results:
- Passive immunization with antibodies against C. difficile surface components demonstrated protective effects in animal models.
- Human trials utilized polyvalent immunoglobulins, and bovine immunoglobulin concentrates were evaluated.
- Active immunization strategies targeting various surface components showed promising results in animal models.
- Both parenteral and mucosal immunization routes yielded encouraging outcomes.
Conclusions:
- Immunization targeting C. difficile surface components offers a viable strategy for infection control.
- Both passive and active immunization approaches have demonstrated efficacy in preclinical and clinical evaluations.
- These findings support the development of novel vaccines and immunotherapies against C. difficile.
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