STOX1 Gene Dynamics in Preeclampsia and Fetal Growth Restriction

Preeclampsia and fetal growth restriction arise from impaired placental development, in which the transcription factor STOX1 has emerged as a pivotal regulator. Variants in the STOX1 gene, notably those affecting the DNA-binding domain, alter trophoblast proliferation, differentiation and response to oxidative stress. Aberrant STOX1 expression disrupts the balance between trophoblast invasion and vascular adaptation, leading to maternal hypertension and limited nutrient delivery to the fetus. Beyond the placenta, STOX1-driven endothelial dysfunction contributes to long-term cardiovascular sequelae in the mother. Integrative studies of genetic variants, cell-based models and animal systems have uncovered multiple downstream pathways—such as PI3K/AKT signalling, cell-cycle control and inflammatory networks—through which STOX1 shapes placental function and foetal growth.

Research from Nature Portfolio

Studies in a mouse model overexpressing STOX1 have delineated systemic endothelial alterations accompanying preeclampsia. Early work revealed transcriptional reprogramming in maternal endothelial cells, with upregulation of inflammatory mediators and cell-cycle regulators that parallel changes seen in human preeclamptic plasma-exposed cells. Subsequent investigations extended these observations to long-term maternal cardiovascular health, demonstrating persistent left-ventricular hypertrophy, endothelial fibrosis and a distinctive cytokine signature. Systems biology analyses identified interleukin-6 as a central hub connecting inflammation and stress pathways, while profiling of eight plasma cytokines distinguished mice with previous preeclamptic pregnancies from controls, underscoring the lasting impact of STOX1-mediated placental pathology on maternal vessels.

STOX1 Gene Dynamics in Preeclampsia and Fetal Growth Restriction publication trend

The graph below shows the total number of articles in stox1 gene dynamics in preeclampsia and fetal growth restriction across all publications each year (not limited to Nature Index journals).

Technical terms

Trophoblast: Specialized placental cells that invade the uterine lining to establish maternal–foetal exchange.

Endothelial dysfunction: Impaired function of blood-vessel lining cells leading to inflammation and hypertension.

PI3K/AKT signalling: Intracellular cascade promoting cell survival, proliferation and migration.

Cytokine profiling: Quantification of signalling proteins to characterise inflammatory status.

Renin–angiotensin system: Hormonal network regulating blood pressure and fluid homeostasis.

References

1. Linking genotype to trophoblast phenotype in preeclampsia and HELLP syndrome associated with STOX1 genetic variants. iScience (2024).
2. Endothelial cell dysfunction and cardiac hypertrophy in the STOX1 model of preeclampsia. Scientific Reports (2016).
3. Long-term cardiovascular disorders in the STOX1 mouse model of preeclampsia. Scientific Reports (2019).
4. Effect of STOX1 on recurrent spontaneous abortion by regulating trophoblast cell proliferation and migration via the PI3K/AKT signaling pathway. Journal of Cellular Biochemistry (2018).
5. STOX1 deficiency is associated with renin-mediated gestational hypertension and placental defects. JCI Insight (2021).
6. Modeling Preeclampsia In Vitro: Polymorphic Variants of STOX1-A/B Genes Can Downregulate CD24 in Trophoblast Cell Lines. International Journal of Molecular Sciences (2022).