Demethylzeylasteral inhibits oxidative phosphorylation complex biogenesis by targeting LRPPRC in lung cancer
2025

Demethylzeylasteral Inhibits Lung Cancer Growth by Targeting LRPPRC

publication 10 minutes Evidence: moderate

Author Information

Author(s): Wang Lina, Zhou Wei, Wang Wenxi, Liang Yuxin, Xue Qiqi, Zhang Zhen, Yuan Jinghe, Fang Xiaohong

Primary Institution: Key Laboratory of Molecular Nanostructure and Nanotechnology, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Science

Hypothesis

Can Demethylzeylasteral (T-96) inhibit the biogenesis of oxidative phosphorylation complexes in lung cancer by targeting LRPPRC?

Conclusion

Demethylzeylasteral effectively inhibits the growth of lung adenocarcinoma by targeting LRPPRC and disrupting oxidative phosphorylation complex biogenesis.

Supporting Evidence

  • T-96 directly binds to LRPPRC, inhibiting its interaction with mt-mRNA.
  • T-96 treatment significantly reduced the mRNA and protein levels of the OXPHOS complex.
  • T-96 exhibited potent antitumor activity for lung adenocarcinoma in vitro and in vivo.
  • Knocking down LRPPRC in A549 cells led to a significant reduction in the mRNA level of OXPHOS complex subunits.
  • T-96 treatment induced a defect in the synthesis of the OXPHOS complex, inhibiting mitochondrial aerobic respiration and ATP synthesis.

Takeaway

A compound from a Chinese herb can help fight lung cancer by stopping cancer cells from making energy in a specific way.

Methodology

The study used in vitro and in vivo experiments to assess the effects of T-96 on lung cancer cells, including assays for cell viability, apoptosis, and mitochondrial function.

Potential Biases

Potential bias in the selection of cell lines and animal models used in the study.

Limitations

The study primarily focused on one type of cancer and the long-term effects of T-96 were not evaluated.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.7150/jca.92797

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication