Artemisinin Triggers Autophagy-Mediated Cell Death in HEPG2 Cells


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Karaca M., Ermiş E., Arslan G., Bal S. H., Yöyen Ermiş D., Kıyıcı M., ...More

6th International Molecular Immunology & Immunogenetics Congress (MIMIC-VI), İstanbul, Turkey, 27 - 30 April 2025, pp.89, (Summary Text)

  • Publication Type: Conference Paper / Summary Text
  • City: İstanbul
  • Country: Turkey
  • Page Numbers: pp.89
  • Bursa Uludag University Affiliated: Yes

Abstract

Objective: Hepatocellular carcinoma (HCC) is one of the most aggressive and fatal tumors

worldwide, accounting for 82% of primary liver cancers. It is the third leading cause of cancerrelated

mortality and has a very low five-year survival rate (<15%) due to late diagnosis and

underlying liver dysfunction. The number of patients eligible for curative treatments is limited, and

alternative therapies fail to improve patient survival. Therefore, there is a significant need for

prognostic markers and promising therapeutic strategies for HCC. Dysregulation of autophagy has

been associated with tumorigenesis in various cancers, and its role in HCC is well documented.

Artemisinin, a molecule extracted from Artemisia annua L., was first discovered as an antimalarial

agent and awarded the 2015 Nobel Prize. It is known for its immunomodulatory properties, G0/G1

cell cycle arrest at appropriate doses, and apoptotic effects in various diseases. Although different

aspects of artemisinin have been investigated, its autophagic effects in hepatocellular carcinoma

cells remain understudied. This study aims to investigate the effect of artemisinin on autophagymediated

cell death in the HepG2 hepatocellular carcinoma cell line.

Materials-Methods: To assess autophagy, the pcDNA3-GFP-LC3-RFP-LC3ΔG plasmid was utilized.

The plasmid was amplified in E. coli, isolated via midiprep, and subjected to restriction analysis.

HEPG2 cells were cultured, and the optimal artemisinin dose was determined using the MTT assay.

Plasmid transfection was performed using Lipofectamine 6000, autophagosome formation was

evaluated using EVOS imaging, and cell death analysis was conducted via flow cytometry.

Results and Conclusion: Autophagosomes were clearly visualized, and artemisinin significantly

enhanced autophagy-mediated cell death. These findings suggest that artemisinin may serve as a

potential therapeutic agent for HCC treatment.