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Updated: Nov 10, 2025

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Targeting CALM2 Inhibits Hepatocellular Carcinoma Growth and Metastasis by Suppressing E2F5-mediated Cell Cycle

So-Young Park1, Yu-Ri Seo1, Min Ji Ko1

  • 1Department of Molecular Medicine, Keimyung University School of Medicine, Daegu, Republic of Korea.

Anticancer Research
|March 31, 2021
PubMed
Abstract

Insights

Targeting calmodulin 2 (CALM2) inhibits hepatocellular carcinoma (HCC) progression by reducing cell proliferation, migration, and invasion. This suggests CALM2 as a potential therapeutic target for HCC treatment and prevention of metastasis.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Research

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 elucidate the novel roles of calmodulin 2 (CALM2) in hepatocellular carcinoma (HCC) progression.
  • To investigate CALM2 as a potential therapeutic target for HCC.

Main Methods:

  • Utilized siRNA to knockdown CALM2 expression in HCC cells.
  • Performed comprehensive cellular and molecular analyses to assess the effects of CALM2 silencing.
  • Investigated gene expression changes and functional impacts on cell proliferation, apoptosis, migration, and invasion.

Main Results:

  • CALM2 knockdown significantly inhibited HCC cell proliferation and colony formation by inducing apoptosis.
  • Silencing CALM2 led to the dysregulation of 154 genes, including the down-regulation of E2F transcription factor 5 (E2F5).
  • CALM2 knockdown reduced HCC cell migration, invasion, and tumor formation in vivo, with findings validated in clinical samples.

Conclusions:

  • CALM2 plays a critical role in promoting HCC progression.
  • Targeting CALM2 represents a promising molecular strategy for primary HCC treatment.
  • Inhibition of CALM2 may prevent HCC metastasis and recurrence.
Keywords:
CALM2E2F5HCCcalcium signalingcell cycletherapeutic target

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