Causal Relationships Between Leukocyte Subsets and Adverse Fetal Outcomes: A Mendelian Randomization Study
2024

Causal Relationships Between Leukocyte Subsets and Adverse Fetal Outcomes

Sample size: 500675 publication 10 minutes Evidence: high

Author Information

Author(s): Chen Hong, Shao Li-Zhen, Wang Ying-Xiong, Han Zhi-Jie, Wang Yong-Heng, Li Xia

Primary Institution: Chongqing Medical University

Hypothesis

This study investigates the causal relationships between various leukocyte subsets and adverse fetal outcomes using Mendelian randomization.

Conclusion

The study found significant causal relationships between 301 leukocyte subsets and seven adverse fetal outcomes, providing insights into the regulatory mechanisms of leukocyte subsets in neonatal diseases.

Supporting Evidence

  • 301 leukocyte subsets were significantly associated with seven adverse fetal outcomes.
  • Fetal growth restriction was identified as a robust risk factor for preterm birth and neonatal jaundice.
  • Significant causal relationships were found between leukocyte subsets and neonatal diseases.
  • Potential pathogenic mechanisms underlying neonatal diseases were highlighted.
  • Leukocyte subsets play a crucial role in maternal-fetal interactions.

Takeaway

The study shows that different types of immune cells can affect the health of babies before they are born, helping us understand how to prevent problems during pregnancy.

Methodology

The study used two-sample Mendelian randomization to analyze genetic data from large cohorts to assess the causal relationships between leukocyte features and adverse fetal outcomes.

Potential Biases

Potential overestimation of effects due to the 'winner's curse' phenomenon.

Limitations

The study is limited by the availability of GWAS data correlating specific PTB phenotypes and the potential overestimation of effects due to the discovery of SNPs within the same population.

Participant Demographics

Participants of European ancestry were chosen to mitigate discrepancies in genetic variant frequencies.

Statistical Information

P-Value

p<5 × 10−8

Confidence Interval

95% CI ranges provided for specific associations.

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1155/mi/6349687

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