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Related Concept Videos

Defense Against Bacterial Pathogens01:31

Defense Against Bacterial Pathogens

The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
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Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
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Probiotics are live, non-pathogenic microorganisms that confer health benefits by modulating the gut microbiota. The human gastrointestinal tract harbors a complex microbial ecosystem, and the balance of this microbiota is crucial for digestive and systemic health. Among the most extensively studied and utilized probiotics are species formerly classified within the genera Lactobacillus and Bifidobacterium. These organisms not only naturally colonize the human gut but are also consumed through...
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Prevention of Heat Stress Adverse Effects in Rats by Bacillus subtilis Strain
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Preventing bacteria-induced disease with bacteria.

Laura E Matarese1, Hossam M Kandil

  • 1Division of Gastroenterology, Hepatology and Nutrition, Brody School of Medicine and Department of Nutrition Science, East Carolina University, Greenville, NC 28590, USA. mataresel@ecu.edu

Nutrition in Clinical Practice : Official Publication of the American Society for Parenteral and Enteral Nutrition
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PubMed
Summary

Oral probiotics effectively prevent chronic pouchitis recurrence by correcting microbial imbalance (dysbiosis). This study shifts focus from antibiotic treatment to probiotic prevention for inflammatory bowel disease management.

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Area of Science:

  • Gastroenterology
  • Microbiology
  • Immunology

Background:

  • Inflammatory bowel disease (IBD) pathogenesis is linked to dysbiosis, an imbalance in gut microbiota.
  • Pouchitis, an inflammation of the ileal pouch, often recurs in patients post-surgery.
  • Current treatments for pouchitis relapses typically involve antibiotics.

Purpose of the Study:

  • To evaluate the efficacy of oral probiotic preparations in preventing chronic pouchitis recurrence.
  • To explore a novel preventive strategy for pouchitis, shifting from reactive antibiotic treatment to proactive microbial modulation.
  • To investigate the potential of probiotics in managing dysbiosis associated with pouchitis.

Main Methods:

  • A classic double-blind, placebo-controlled trial design was employed.
  • Participants received either a probiotic preparation or a placebo for oral administration.
  • Outcomes measured included the prevention of chronic pouchitis recurrence.

Main Results:

  • Oral administration of a probiotic preparation demonstrated effectiveness in preventing chronic pouchitis recurrence.
  • The probiotic approach successfully shifted the paradigm from antibiotic treatment to microbial balance correction.
  • Subsequent trials by the same and other groups have validated these promising findings.

Conclusions:

  • Oral probiotics represent a promising strategy for preventing chronic pouchitis recurrence.
  • The study highlights a paradigm shift towards probiotic-based prevention for pouchitis, addressing underlying dysbiosis.
  • Further research is needed to determine optimal probiotic strains, dosages, administration timing, and mechanisms of action for universal acceptance.