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Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing
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Associations between gut microbiota and chronic sinusitis: A bidirectional Mendelian randomization study.

Kunlin Pu1, Zhipeng Zhang1, Li Li1

  • 1Department of Otorhinolaryngology, Pengzhou Hospital of Traditional Chinese Medicine, Pengzhou, China.

Immunity, Inflammation and Disease
|July 20, 2024
PubMed
Summary

This study suggests a causal link between gut microbiota and chronic sinusitis. Class Bacilli may offer a protective effect against developing chronic sinusitis.

Keywords:
Mendelian randomizationchronic sinusitisgut microbiota

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Area of Science:

  • Microbiome research
  • Genetics
  • Otolaryngology

Background:

  • Gut microbiota dysbiosis is linked to chronic sinusitis.
  • The causal relationship between gut microbiota and chronic sinusitis risk is not well understood.

Purpose of the Study:

  • To investigate the potential causal relationship between gut microbiota and chronic sinusitis using Mendelian randomization.
  • To identify specific gut bacteria that may influence the risk of chronic sinusitis.

Main Methods:

  • A two-sample Mendelian randomization study utilizing genome-wide association study data.
  • Inverse variance-weighted (IVW) method for primary analysis.
  • Sensitivity, heterogeneity, pleiotropy, and reverse Mendelian randomization analyses were performed.

Main Results:

  • Seventeen gut microbiota classifications showed association with chronic sinusitis.
  • Class Bacilli demonstrated a significant protective causal effect against chronic sinusitis (OR: 0.785, P=0.001).
  • Sensitivity analyses confirmed no significant heterogeneity or pleiotropy; no reverse causality was detected.

Conclusions:

  • Genetically predicted gut microbiota, specifically Class Bacilli, may have a causal protective role in chronic sinusitis.
  • Further research into the gut-sinus axis could inform novel therapeutic strategies for chronic sinusitis.