Berberine regulates the microRNA-21-ITGΒ4-PDCD4 axis and inhibits colon cancer viability

Yanfeng Lü1, Bingbing Han2, Hualong Yu1

  • 1Department of Anoproctology, The Second Hospital of Shandong University, Jinan, Shandong 250033, P.R. China.

Oncology Letters
|March 23, 2018
PubMed

Insights

Berberine suppresses colon cancer cell viability by inhibiting microRNA-21 (miR-21) and promoting integrin β4 (ITGβ4) and programmed cell death 4 (PDCD4) expression. This natural compound shows promise for clinical applications in colon cancer treatment.

Area of Science:

  • Pharmacology
  • Molecular Biology
  • Oncology

Background:

  • Berberine, a natural compound from medicinal herbs, is affordable, safe, and convenient, suggesting broad clinical potential.
  • Colon cancer remains a significant health concern, necessitating novel therapeutic strategies.
  • Understanding the molecular mechanisms underlying berberine's anti-cancer effects is crucial for its clinical application.

Purpose of the Study:

  • To investigate the inhibitory effect of berberine on colon cancer cell viability.
  • To elucidate the role of berberine in regulating the microRNA-21 (miR-21)-integrin β4 (ITGβ4)-programmed cell death 4 (PDCD4) gene network in colon cancer.

Main Methods:

  • Utilized the human colon carcinoma HCT116 cell line for in vitro experiments.
  • Assessed cell viability, apoptosis, and caspase-3 activity following berberine treatment.
  • Quantified the expression levels of miR-21, ITGβ4, and PDCD4 proteins.

Main Results:

  • Berberine treatment significantly suppressed colon cancer cell viability, induced apoptosis, and activated caspase-3.
  • Berberine inhibited miR-21 expression while promoting ITGβ4 and PDCD4 protein expression in HCT116 cells.
  • Overexpression of miR-21 counteracted berberine's anti-cancer effects and suppressed ITGβ4 and PDCD4 expression.

Conclusions:

  • The miR-21/ITGβ4/PDCD4 network is implicated in the anti-cancer effects of berberine on colon cancer cell viability and apoptosis.
  • Berberine demonstrates potential as a therapeutic agent for colon cancer through modulation of this specific molecular pathway.

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