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ZHX1 Inhibits Gastric Cancer Cell Growth through Inducing Cell-Cycle Arrest and Apoptosis

Xingjie Ma1, Minlu Huang1, Zhenqiang Wang1

  • 1Department of Surgery, Shanghai Key Laboratory of Gastric Neoplasms, Shanghai Institute of Digestive Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.

Journal of Cancer
|January 2, 2016
PubMed

Insights

Zinc-fingers and homeoboxes 1 (ZHX1) is downregulated in gastric cancer (GC), inhibiting tumor growth by inducing cell-cycle arrest and apoptosis. Loss of ZHX1 correlates with aggressive GC characteristics.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Research

Background:

  • Zinc-fingers and homeoboxes 1 (ZHX1) is implicated in human cancer development.
  • The specific role of ZHX1 in gastric cancer (GC) remains largely uncharacterized.

Purpose of the Study:

  • To investigate the expression and function of ZHX1 in gastric cancer.
  • To determine the correlation between ZHX1 expression and clinical characteristics of GC patients.

Main Methods:

  • Analysis of ZHX1 expression in GC tissues versus non-tumor tissues.
  • Assessment of ZHX1's impact on cell-cycle progression and apoptosis.
  • Evaluation of key cell-cycle and apoptosis-related protein expression levels.

Main Results:

  • ZHX1 expression was significantly downregulated in GC tissues.
  • Loss of ZHX1 expression correlated with aggressive clinical features in GC patients.
  • ZHX1 induced G1/S cell-cycle arrest and promoted apoptosis by modulating proteins like cyclin D1, cyclin E, Bcl2, Bax, and cleaved Caspase-3.

Conclusions:

  • ZHX1 functions as a tumor suppressor in gastric cancer.
  • ZHX1 inhibits GC cell proliferation by inducing cell-cycle arrest and apoptosis.
  • ZHX1 represents a potential therapeutic target for gastric cancer.
Keywords:
ApoptosisCell cycleCell growthGastric cancerZHX1

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