RPL6 Interacts with HMGCS1 to Stabilize HIF-1α by Promoting Cholesterol Production in Hepatocellular Carcinoma

  • 0Department of Infectious Diseases, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, 400010, China.

Summary

This summary is machine-generated.

Researchers identified key biomarkers for early liver cancer (HCC) metastasis. 60S ribosomal protein L6 (RPL6) promotes tumor spread by affecting cholesterol and HIF-1α pathways, offering new targets for treatment.

Area Of Science

  • Oncology
  • Molecular Biology
  • Genomics

Background

  • Early detection of hepatocellular carcinoma (HCC) metastasis is crucial for effective treatment.
  • Predictive markers for the premetastatic phase are needed for timely intervention.

Purpose Of The Study

  • To identify biomarkers for predicting the premetastatic phase in HCC.
  • To elucidate the molecular mechanisms driving HCC metastasis.

Main Methods

  • Dynamic Network Biomarker (DNB) analysis of time-series transcriptomic data from an HCC mouse model.
  • In vitro and in vivo experiments to assess the role of RPL6 in HCC metastasis.
  • Investigation of the RPL6-HMGCS1-HIF-1α signaling axis.

Main Results

  • The premetastatic phase in the HCC model was identified at week four.
  • 142 DNB genes were found to be important biomarkers for HCC metastasis, with RPL6 identified as a core member.
  • RPL6 promotes HCC invasion and metastasis by increasing HMGCS1 stability, elevating cholesterol, and activating the HIF-1α pathway.

Conclusions

  • The RPL6-HMGCS1-HIF-1α axis plays a significant role in HCC pulmonary metastasis.
  • RPL6 is a potential prognostic biomarker and therapeutic target for HCC patients.
  • This study provides novel insights into the dynamic transcriptome changes during HCC metastasis.

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