Saccharomyces boulardii Stimulates Intestinal Immunoglobulin A Immune Response to Clostridium difficile Toxin A in Mice

Author:

Qamar Amir1,Aboudola Samer1,Warny Michel1,Michetti Pierre1,Pothoulakis Charalabos1,LaMont J. Thomas1,Kelly Ciarán P.1

Affiliation:

1. Gastroenterology Division, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215

Abstract

ABSTRACT Saccharomyces boulardii is a nonpathogenic yeast that protects against antibiotic-associated diarrhea and recurrent Clostridium difficile colitis. The administration of C. difficile toxoid A by gavage to S. boulardii -fed BALB/c mice caused a 1.8-fold increase in total small intestinal immunoglobulin A levels ( P = 0.003) and a 4.4-fold increase in specific intestinal anti-toxin A levels ( P < 0.001). Enhancing host intestinal immune responses may be an important mechanism for S. boulardii -mediated protection against diarrheal illnesses.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Immunology,Microbiology,Parasitology

Reference53 articles.

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3. Stimulation of secretory IgA and secretory component of immunoglobulins in small intestine of rats treated with Saccharomyces boulardii;Buts J. P.;Dig. Dis. Sci.,1990

4. Saccharomyces boulardii for Clostridium difficile-associated enteropathies in infants;Buts J. P.;J. Pediatr. Gastroenterol. Nutr.,1993

5. Saccharomyces boulardii protease inhibits Clostridium difficile toxin A effects in the rat ileum

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