Genetically Predicted Causal Risk Factors for Preeclampsia: A Comprehensive Mendelian Randomization Study

Area of Science:

• Genetics and Genomics
• Obstetrics and Gynecology
• Immunology

Background:

• Preeclampsia is a serious pregnancy hypertensive disorder with complex causes.
• Understanding its pathogenesis, involving immune, metabolic, and microbial factors, is crucial.

Purpose of the Study:

• To investigate causal links between multi-omics traits and preeclampsia risk using Mendelian randomization.
• To identify novel genetic and molecular factors contributing to preeclampsia development.

Main Methods:

• Applied Mendelian randomization (MR) analysis to large-scale genome-wide association study (GWAS) datasets.
• Utilized various datasets including immune cells, inflammatory factors, gut microbiota, metabolites, and plasma proteins.

Main Results:

• Identified 81 potential causal factors for preeclampsia.
• Highlighted druggable plasma proteins (e.g., ASTL, BIRC3) and protective gut microbiota (e.g., Bifidobacterium).
• Validated causal roles of metabolic disturbances and immune cell dysfunctions (T and B cells).

Conclusions:

• Preeclampsia involves a complex interplay of immune, metabolic, microbial, and protein factors.
• Findings suggest potential new diagnostic and therapeutic targets for preeclampsia.