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Related Concept Videos

Probiotics01:22

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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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Microbes in the Production of Fermented Foods01:27

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Lactic acid bacteria (LAB) and molds are instrumental in fermenting plant-based foods to enhance preservation and ensure year-round availability. These microbial processes convert plant carbohydrates into organic acids and other metabolites that inhibit spoilage organisms and contribute to the sensory qualities of the final product.In sauerkraut production, cabbage goes through a microbial succession that starts with cocci such as Leuconostoc mesenteroides. These microbes begin fermentation by...
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Functions of the Gut Microbiota01:18

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The gut microbiota includes trillions of microorganisms that colonize the human gastrointestinal tract, including bacteria, archaea, viruses, and fungi. This complex ecosystem plays a critical role in maintaining intestinal and systemic health. Most of these microbes inhabit the large intestine, establishing a relatively stable and diverse community that contributes to gut homeostasis through various metabolic, immunological, and protective mechanisms.Dominant bacterial phyla, such as...
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Microorganisms in Medicine and Therapeutics01:29

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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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Microbiota of the Stomach and Small Intestine01:27

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The human gastrointestinal (GI) tract is characterized by distinct physicochemical conditions that shape its microbial communities. Among these, the stomach presents a particularly challenging environment for microbial colonization due to its highly acidic pH, ranging from 1 to 3. This extreme acidity effectively limits microbial density. However, certain acid-tolerant microorganisms are capable of surviving in this niche. Notably, Helicobacter pylori can colonize the gastric mucosa,...
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The human microbiota begins developing at birth and undergoes continual change as we age. Infancy marks a critical period of microbial sensitivity, offering a “window of opportunity” during which beneficial microbes help mature the immune system. By age three, children typically develop a more stable and diverse microbial community. Newborns acquire microbes from their immediate environment; vaginal delivery favors maternal vaginal microbes, while cesarean births favor microbes from...
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Related Experiment Video

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Novel Production Protocol for Small-scale Manufacture of Probiotic Fermented Foods
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Probiotics.

Wolfgang Kruis1

  • 1Evangelisches Krankenhaus Kalk, University of Cologne, Cologne, Germany.

Digestive Diseases (Basel, Switzerland)
|November 20, 2013
PubMed
Summary
This summary is machine-generated.

Probiotics show promise for treating inflammatory bowel diseases by modulating immune responses and improving gut barrier function. Further high-quality trials are needed to confirm their efficacy and optimal use.

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Area of Science:

  • Microbiology
  • Immunology
  • Gastroenterology

Background:

  • Probiotics exhibit diverse biological activities in humans and animals.
  • Probiotics influence local and systemic immune reactions.
  • Probiotics impact the intestinal mucosa's barrier function.

Purpose of the Study:

  • To evaluate the therapeutic potential of probiotics in treating inflammatory bowel diseases (IBD).
  • To review existing evidence on probiotic efficacy in ulcerative colitis and Crohn's disease.

Main Methods:

  • Review of existing research and clinical trials on probiotics for IBD.
  • Analysis of probiotic mechanisms, including immune modulation and barrier enhancement.

Main Results:

  • Promising therapeutic effects of probiotics observed in ulcerative colitis and Crohn's disease.
  • Probiotic therapy is already recommended for maintaining remission in ulcerative colitis and pouchitis in some guidelines.

Conclusions:

  • Probiotics represent a reasonable therapeutic approach for inflammatory bowel diseases.
  • Significant open questions remain, necessitating more high-quality clinical trials to establish definitive evidence and optimal application.