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Changes of gut microbiota between different weight reduction programs.

Belle Yanyu Lin1, Wei-De Lin2, Chih-Kun Huang3

  • 1Syosset High School, Syosset, New York, USA; College of Human Ecology, Cornell University, Ithaca, New York, USA.

Surgery for Obesity and Related Diseases : Official Journal of the American Society for Bariatric Surgery
|April 3, 2019
PubMed
Summary
This summary is machine-generated.

Sleeve gastrectomy led to greater improvements in weight and metabolic health compared to dietary counseling. Both programs altered gut microbiota, with significant differences observed between the two weight loss interventions.

Keywords:
Dietary counselingGut microbiotaSleeve gastrectomyWeight reduction

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Area of Science:

  • Metabolic health and gut microbiome research.
  • Bariatric surgery and weight management studies.

Background:

  • Gut microbiota dysbiosis is linked to obesity, diabetes, and metabolic syndrome.
  • Weight reduction programs can differentially impact gut microbial composition.

Purpose of the Study:

  • To compare changes in gut microbiota between obese adults undergoing dietary counseling (DC) versus sleeve gastrectomy (SG) over three months.
  • To assess the impact of these interventions on anthropometric and metabolic factors.

Main Methods:

  • A comparative study involving obese participants in DC and SG groups.
  • Metagenomic sequencing to analyze gut microbiota composition before and after a 3-month intervention.
  • Comparison of anthropometric indices, metabolic factors, and microbial changes within and between groups.

Main Results:

  • Sleeve gastrectomy resulted in significantly greater reductions in weight, BMI, body fat, and various metabolic markers compared to dietary counseling.
  • Both interventions altered gut microbiota, with a notable increase in gut flora diversity in the SG group.
  • Four specific bacterial species (Peptoniphilus lacrimalis 315 B, Selenomonas 4 sp., Prevotella 2 sp., Pseudobutyrivibrio sp.) showed significant differences between the DC and SG groups.

Conclusions:

  • Significant differences exist in anthropometric indices, metabolic factors, and gut microbiota alterations between dietary counseling and sleeve gastrectomy for weight reduction.
  • Sleeve gastrectomy induces more pronounced effects on both host physiology and gut microbial composition compared to dietary counseling.