Stemona alkaloid derivative induce ferroptosis of colorectal cancer cell by mediating carnitine palmitoyltransferase 1

  • 0Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan, China.

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Summary

This summary is machine-generated.

Stemona alkaloid derivative (SA-11) induces ferroptosis by increasing acylcarnitine accumulation via CPT-1 regulation. This suggests a new therapeutic strategy for cancer by targeting fatty acid metabolism and enhancing reactive oxygen species (ROS) production.

Area Of Science

  • Biochemistry
  • Cell Biology
  • Metabolic Disorders

Background

  • Acylcarnitine accumulation is linked to metabolic disorders affecting fatty acid metabolism.
  • No known molecules specifically induce ferroptosis by regulating acylcarnitine metabolism.
  • Previous research identified Stemona alkaloid derivative (SA-11) as a ferroptosis inducer.

Purpose Of The Study

  • To investigate the mechanism by which SA-11 induces ferroptosis, focusing on acylcarnitine metabolism.
  • To identify specific molecular targets for enhancing ferroptosis in cancer treatment.

Main Methods

  • Cell metabolomics studies to analyze acylcarnitine levels after SA-11 treatment.
  • Measurement of carnitine palmitoyltransferase 1 (CPT-1) and CPT-2 levels.
  • Assessment of reactive oxygen species (ROS) production in treated cells.

Main Results

  • SA-11 treatment led to acylcarnitine accumulation.
  • CPT-1 levels significantly increased, while CPT-2 levels remained unchanged.
  • Exogenous acylcarnitine enhanced SA-11's ferroptosis-inducing ability and increased ROS levels.

Conclusions

  • SA-11 induces ferroptosis by disrupting acylcarnitine metabolism through CPT-1 upregulation.
  • Targeting acylcarnitine metabolism, specifically CPT-1, presents a potential therapeutic strategy for cancer.
  • Enhanced ROS production is a key factor in SA-11-mediated ferroptosis induction.

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