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Related Experiment Video

Updated: Jun 27, 2026

Using Chronic Social Stress to Model Postpartum Depression in Lactating Rodents

Using Chronic Social Stress to Model Postpartum Depression in Lactating Rodents

Published on: June 10, 2013

Druggable Targets for Postpartum Depression: A Mendelian Randomization and Colocalization Study.

Song Wu¹, Meihong Shen¹, Huiyan Wang²

¹Changzhou Maternal and Child Health Care Hospital, Changzhou Medical Center, Nanjing Medical University, Changzhou, 213000, China.

Cellular and Molecular Neurobiology

|June 19, 2025

Summary

This study used Mendelian Randomization to uncover genetic factors influencing postpartum depression (PPD). It identified 12 druggable genes linked to PPD risk and potential therapeutic targets, including ALDH16A1 and SLC29A4.

Keywords:

Mendelian randomization Postpartum depression SMR Therapeutic targets

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Area of Science:

Genetics
Psychiatry
Pharmacology

Background:

Postpartum depression (PPD) is a complex disorder with unclear genetic causes.
Understanding genetic susceptibility is crucial for developing effective treatments.

Purpose of the Study:

To systematically evaluate genetic susceptibility for PPD.
To identify potential therapeutic targets for PPD using a Mendelian Randomization (MR) approach.

Main Methods:

A two-sample MR approach analyzed expression quantitative trait loci (eQTLs) of druggable genes in blood against PPD data from FinnGen.
Inverse variance weighted analysis, sensitivity analyses, Summary-data-based Mendelian Randomization (SMR), Bayesian colocalization, and Phenome-Wide Association Study (PheWAS) were employed.

Main Results:

Significant associations between eQTLs of 12 druggable genes and PPD susceptibility were found.
Seven genes increased PPD risk, while five decreased it. Colocalization analysis supported shared causal variants for ALDH16A1 and SLC29A4.
PheWAS confirmed no significant side effects for ALDH16A1 and SLC29A4.

Conclusions:

The study identified novel genetic susceptibilities and potential therapeutic targets for PPD.
Findings offer new insights for PPD diagnosis, treatment, and research into its molecular mechanisms.