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Long Noncoding RNA (lncRNA) MT1JP Suppresses Hepatocellular Carcinoma (HCC) in vitro

Wenhui Mo1, Ying Dai1, Jianqing Chen1

  • 1Department of Gastroenterology, Shidong Hospital of Shanghai, Shanghai 200433, People's Republic of China.

Cancer Management and Research
|September 18, 2020
PubMed
Abstract

Insights

Long noncoding RNA MT1JP acts as a tumor suppressor in hepatocellular carcinoma (HCC). Its overexpression inhibits HCC cell proliferation and invasion, suggesting therapeutic potential for HCC.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Hepatocellular carcinoma (HCC) is a major global health concern.
  • Long noncoding RNAs (lncRNAs) play critical roles in various cancers, including HCC.
  • The specific role of lncRNA MT1JP in HCC remains largely unexplored.

Purpose of the Study:

  • To investigate the expression, function, and mechanism of lncRNA MT1JP in hepatocellular carcinoma (HCC).
  • To evaluate the potential of MT1JP as a therapeutic target for HCC.

Main Methods:

  • Analysis of MT1JP expression in HCC tissues and adjacent normal tissues using in situ hybridization (ISH).
  • In vitro assays including MTT, cloning, flow cytometry, transwell, and wound-healing assays to assess HCC cell behavior.
  • RT-qPCR and Western blot to determine mRNA and protein expression levels of key genes.

Main Results:

  • MT1JP was significantly downregulated in HCC tissues and associated with poorer prognosis.
  • Overexpression of MT1JP inhibited HCC cell proliferation, invasion, and migration, while promoting apoptosis and cell cycle arrest.
  • MT1JP overexpression upregulated RUNX3 and P21, and downregulated MMP2 and MMP9 expression.

Conclusions:

  • LncRNA MT1JP functions as a tumor suppressor in HCC.
  • MT1JP suppresses HCC cell proliferation and invasion by regulating RUNX3.
  • MT1JP holds potential as a novel therapeutic target for HCC treatment.
Keywords:
Bel-7402HCCHuh-7MT1JPcell biological activities

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