Epigenetic modification regulates the ligamentum flavum hypertrophy through miR-335-3p/SERPINE2/β-catenin signaling pathway
2025

How miR-335-3p Affects Ligamentum Flavum Hypertrophy

Sample size: 24 publication 10 minutes Evidence: moderate

Author Information

Author(s): Zhao Yongzhao, Jiang Shuai, Chen Longting, Xiang Qian, Lin Jialiang

Primary Institution: Peking University Third Hospital

Hypothesis

The study investigates the role of miR-335-3p in regulating fibrosis in ligamentum flavum hypertrophy through the SERPINE2/β-catenin signaling pathway.

Conclusion

MiR-335-3p prevents fibrosis in ligamentum flavum cells by regulating the SERPINE2/β-catenin signaling pathway, suggesting it could be a potential target for treating ligamentum flavum hypertrophy.

Supporting Evidence

  • MiR-335-3p was significantly downregulated in ligamentum flavum hypertrophy tissues compared to non-hypertrophy tissues.
  • Overexpression of miR-335-3p inhibited fibrosis in ligamentum flavum cells induced by TGF-β1.
  • SERPINE2 was identified as a target of miR-335-3p, and its overexpression promoted fibrosis through β-catenin signaling.

Takeaway

This study found that a tiny molecule called miR-335-3p helps stop the thickening of a spinal ligament, which can cause back problems.

Methodology

The study used miRNA sequencing analysis and various cell experiments to explore the effects of miR-335-3p on ligamentum flavum cells treated with TGF-β1.

Limitations

The study did not conduct in vivo experiments to confirm the findings in animal models of ligamentum flavum hypertrophy.

Participant Demographics

Patients with ligamentum flavum hypertrophy or lumbar disc herniation.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/s11658-024-00660-z

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