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N-myc downstream-regulated gene 1: Diverse and complicated functions in human hepatocellular carcinoma (Review)

Yan Song1, Lili Cao

  • 1Central Laboratory, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong 250014, P.R. China.

Oncology Letters
|November 22, 2013
PubMed

Insights

N-myc downstream-regulated gene 1 (NDRG1) is overexpressed in human hepatocellular carcinoma (HCC), correlating with aggressive disease. Its precise role in HCC progression remains complex and warrants further investigation.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • N-myc downstream-regulated gene 1 (NDRG1) is a multifunctional protein implicated in various cancers.
  • NDRG1 expression is absent in normal liver tissue but elevated in human hepatocellular carcinoma (HCC).
  • Elevated NDRG1 in HCC correlates with aggressive features like invasion, metastasis, poor differentiation, and reduced patient survival.

Purpose of the Study:

  • To review the current understanding of NDRG1's function in human hepatocellular carcinoma (HCC).
  • To explore the contrasting roles of NDRG1 in HCC proliferation and invasion.
  • To discuss the impact of NDRG1's variable cellular localization on its function in cancer.

Main Methods:

  • Literature review of existing studies on NDRG1 in HCC and other human cancers.
  • Analysis of reported findings on NDRG1 expression patterns in normal and cancerous liver tissues.
  • Synthesis of data regarding NDRG1's in vitro and in vivo effects on HCC growth and invasion.

Main Results:

  • NDRG1 overexpression is a hallmark of human HCC, associated with adverse prognostic factors.
  • NDRG1 exhibits context-dependent effects, potentially inhibiting or promoting HCC progression.
  • NDRG1's subcellular localization (nucleus or membrane) varies with cell state, influencing its diverse functions.

Conclusions:

  • NDRG1 plays a complex and multifaceted role in human hepatocellular carcinoma.
  • Further research is needed to elucidate the precise mechanisms underlying NDRG1's contradictory functions in HCC.
  • Understanding NDRG1's dynamic behavior is crucial for developing targeted therapies for HCC.
Keywords:
DNA damageN-myc downstream regulated gene-1differentiationhepatocellular carcinomalocalizationmetastasis

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