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STYXL1 promotes malignant progression of hepatocellular carcinoma via downregulating CELF2 through the PI3K/Akt

J-Z Wu1, N Jiang, J-M Lin

  • 1Department of Infectious Disease, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, China. 260036412@qq.com.

European Review for Medical and Pharmacological Sciences
|April 10, 2020
PubMed
Abstract

Insights

STYXL1 is highly expressed in hepatocellular carcinoma (HCC) and linked to poor prognosis. It promotes HCC by downregulating CELF2, activating the PI3K/Akt pathway, increasing proliferation, and inhibiting apoptosis.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Hepatocellular carcinoma (HCC) remains a significant global health challenge.
  • Understanding the molecular mechanisms driving HCC progression is crucial for developing effective therapies.

Purpose of the Study:

  • To investigate the expression characteristics of STYXL1 in HCC.
  • To analyze the role of STYXL1 in HCC development by targeting CELF2 and the PI3K/Akt pathway.

Main Methods:

  • Quantitative Real-Time Polymerase Chain Reaction (qRT-PCR) to assess STYXL1 expression in HCC tissues and cell lines.
  • Functional assays (CCK-8, colony formation, EdU, flow cytometry) after STYXL1 knockdown.
  • Western Blotting to analyze protein expression.
  • Correlation analysis between STYXL1 and CELF2.

Main Results:

  • STYXL1 expression was significantly upregulated in HCC tissues and cell lines compared to normal controls.
  • High STYXL1 expression correlated with a higher overall survival rate in HCC patients.
  • STYXL1 knockdown reduced HCC cell proliferation and increased apoptosis.
  • STYXL1 upregulated PI3K/Akt pathway proteins and showed a negative correlation with CELF2.

Conclusions:

  • STYXL1 is upregulated in HCC and associated with poor prognosis.
  • STYXL1 promotes HCC progression by downregulating CELF2, thereby activating the PI3K/Akt pathway.
  • STYXL1 inhibition may represent a therapeutic strategy for HCC.

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