GLUT1 exacerbates trophoblast ferroptosis by modulating AMPK/ACC mediated lipid metabolism and promotes gestational diabetes mellitus associated fetal growth restriction
2024

GLUT1 and Ferroptosis in Gestational Diabetes and Fetal Growth Restriction

Sample size: 30 publication 10 minutes Evidence: moderate

Author Information

Author(s): Zhang Qin, Yuan Xi, Luan Xiaojin, Lei Ting, Li Yiran, Chu Wei, Yao Qi, Baker Philip N., Qi Hongbo, Li Hui

Primary Institution: The First Affiliated Hospital of Chongqing Medical University

Hypothesis

GLUT1 upregulation may lead to dysregulation of the AMPK/ACC pathway and subsequent trophoblast cell ferroptosis, contributing to FGR.

Conclusion

Inhibiting GLUT1 can restore AMPK function, reduce ferroptosis, and improve fetal outcomes in GDM.

Supporting Evidence

  • GLUT1 expression was significantly higher in GDM placentas compared to normal placentas.
  • GLUT1 inhibition reduced ferroptosis in trophoblast cells under high glucose conditions.
  • AMPK and ACC phosphorylation levels were decreased in GDM placentas, indicating disrupted lipid metabolism.

Takeaway

This study shows that a protein called GLUT1 can cause problems in pregnant women with diabetes, leading to issues with their babies' growth. By blocking GLUT1, we might help the babies grow better.

Methodology

The study analyzed placentas from GDM patients and normal pregnancies, conducted cell culture experiments, and used mouse models to assess the effects of GLUT1 inhibition.

Potential Biases

Potential bias in patient selection and the use of animal models may not fully replicate human conditions.

Limitations

The study primarily used a GLUT1 inhibitor, which may have off-target effects, and the sample size could be larger for more robust conclusions.

Participant Demographics

15 GDM-complicated pregnancies and 15 normal pregnancies were included.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/s10020-024-01028-x

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