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Expression and Critical Role of Interleukin Enhancer Binding Factor 2 in Hepatocellular Carcinoma

Shaobing Cheng1,2,3, Xu Jiang4, Chaofeng Ding5

  • 1Department of Hepatobiliary Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China. showcheng@126.com.

International Journal of Molecular Sciences
|August 25, 2016
PubMed

Insights

Interleukin enhancer binding factor 2 (ILF2) is upregulated in hepatocellular carcinoma (HCC), promoting tumor growth. Targeting ILF2 may offer a new therapeutic strategy for liver cancer.

Area of Science:

  • Molecular Biology
  • Oncology
  • Biochemistry

Background:

  • Interleukin enhancer binding factor 2 (ILF2) is a transcription factor involved in mRNA stabilization and cell growth.
  • ILF2's role in tumorigenesis is recognized, but its specific function in hepatocellular carcinoma (HCC) remains unclear.

Purpose of the Study:

  • To investigate the expression levels and functional role of ILF2 in HCC.
  • To explore ILF2's potential as a therapeutic target for liver cancer.

Main Methods:

  • Western blot and immunohistochemical assays to determine ILF2 expression in HCC tissues.
  • Lentiviral vectors with small interfering RNAs (siRNAs) to modulate ILF2 expression in liver cancer cells.
  • In vivo tumorigenesis assays in nude mice using ILF2-overexpressing cancer cells.

Main Results:

  • ILF2 mRNA and protein levels were significantly higher in HCC tissues compared to adjacent non-tumorous tissues.
  • ILF2 expression influenced liver cancer cell growth and apoptosis, potentially through regulating Bcl-2, Bok, BAX, and cIAP1.
  • In vivo studies demonstrated accelerated tumor growth in mice inoculated with ILF2-overexpressing cancer cells.

Conclusions:

  • ILF2 is overexpressed in HCC and promotes tumor growth and progression.
  • ILF2 plays a significant role in regulating cell growth and apoptosis in liver cancer.
  • ILF2 represents a promising therapeutic target for hepatocellular carcinoma.
Keywords:
apoptosiscell growthhepatocellular carcinomainterleukin enhancer binding factor 2

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