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Updated: May 8, 2025

Probiotic Studies in Neonatal Mice Using Gavage

Probiotic Studies in Neonatal Mice Using Gavage

Published on: January 27, 2019

The causal relationship between gut microbiota and preterm birth: a two-sample Mendelian randomization study.

Tao Zhu¹, Dandan Shen², Xiao Cai¹

¹Department of Clinical Laboratory, Sir Run Run Hospital, Nanjing Medical University, Nanjing, Jiangsu, China.

The Journal of Maternal-Fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians

|December 25, 2024

Summary

This study used Mendelian randomization to investigate the gut microbiome

Keywords:

Mendelian randomization causality gut microbiota metabolites preterm birth

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Area of Science:

Microbiome research
Reproductive health
Genetics

Background:

Preterm birth is a major global health issue.
Observational studies suggest a link between gut microbiota and preterm birth, but causality is unclear.

Purpose of the Study:

To determine if gut microbiota composition causally influences preterm birth risk.
To identify specific microbial factors involved in preterm birth.

Main Methods:

A two-sample Mendelian randomization study was performed.
Genome-wide association study data from MiBioGen for microbiota and preterm birth were utilized.
Statistical methods including inverse variance weighting, MR-PRESSO, and MR-Egger regression were employed to assess causality and address pleiotropy.

Main Results:

Evidence suggests a causal relationship between certain gut microbiota components and preterm birth.
Specific metabolites associated with this relationship were identified.

Conclusions:

Gut microbiota imbalances play a causal role in preterm birth.
Findings offer new perspectives on preterm birth etiology and potential prevention strategies.