[Effects of antibiotics on intestinal microflora and intestinal mucosal barrier function and its mechanisms]

Yue Han1, Yuxin Leng, Gaiqi Yao

  • 1Department of Critical Care Medicine, Peking University Third Hospital, Beijing 100191, China. Corresponding author: Yao Gaiqi,

Insights

Antibiotics harm gut microbes, causing dysfunction and damage. Probiotics and fecal transplants can restore intestinal health by promoting beneficial bacteria, supporting rational antibiotic use.

Area of Science:

  • Microbiology
  • Gastroenterology
  • Pharmacology

Background:

  • Antibiotics are crucial for infectious diseases but disrupt intestinal microflora, leading to gastrointestinal issues like diarrhea and mucosal damage.
  • Severe antibiotic-induced disruption can progress to intestinal sepsis, highlighting the need for understanding these effects.
  • Advancements in microbial sequencing and the Human Microbiome Project offer deeper insights into antibiotic impacts on gut flora.

Purpose of the Study:

  • To detail the effects and mechanisms of antibiotics on intestinal microflora and mucosal barrier function.
  • To explore therapeutic strategies for mitigating antibiotic-induced gut dysbiosis.
  • To promote the rational application of antibiotics in clinical practice.

Main Methods:

  • Review and analysis of existing research on antibiotic effects on the gut microbiome.
  • Examination of the impact on intestinal mucosal barrier integrity.
  • Evaluation of probiotics and fecal microbiota transplantation as therapeutic interventions.

Main Results:

  • Antibiotics significantly alter the composition and function of the intestinal microflora.
  • Damage to the intestinal mucosal barrier is a common consequence of antibiotic treatment.
  • Probiotics and fecal transplantation show promise in restoring gut microbial balance and barrier function.

Conclusions:

  • Antibiotic-induced gut dysbiosis poses significant health risks, necessitating interventions.
  • Restoring a healthy gut microbiome through strategies like probiotics and fecal transplantation is feasible.
  • These findings support the rational use of antibiotics and the development of microbiome-targeted therapies.

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