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Related Experiment Video

Updated: Nov 6, 2025

Biodegradable Magnesium Stent Treatment of Saccular Aneurysms in a Rat Model - Introduction of the Surgical Technique
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Degradable magnesium implants inhibit gallbladder cancer.

Hongzhou Peng1, Kun Fan2, Rui Zan1

  • 1State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.

Acta Biomaterialia
|May 8, 2021
PubMed
Summary

Biodegradable magnesium (Mg) shows promise for treating gallbladder cancer. Mg degradation products inhibit cancer cell growth and promote apoptosis, offering a dual function for bile duct stents.

Keywords:
Gallbladder cancerMg(2+)biliary stentbiodegradable magnesiumpH value

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Area of Science:

  • Biomedical Engineering
  • Oncology
  • Materials Science

Background:

  • Gallbladder cancer often obstructs bile ducts, requiring non-degradable stents prone to secondary blockage and surgery.
  • Current biomedical magnesium research focuses on cardiovascular and orthopedic applications, leaving its effect on gallbladder cancer unclear.

Purpose of the Study:

  • To investigate the potential of biodegradable magnesium (Mg) as a treatment for gallbladder cancer.
  • To evaluate the impact of high-purity Mg on gallbladder cancer cells in vitro and in vivo.

Main Methods:

  • In vitro and in vivo experiments using high-purity Mg wires.
  • Analysis of Mg degradation products' effects on gallbladder cancer cell proliferation, apoptosis, and cell cycle.

Main Results:

  • Mg degradation products significantly inhibited gallbladder cancer cell growth.
  • Mg degradation products promoted cancer cell apoptosis.
  • Mg demonstrated potential for both bile drainage and gallbladder cancer treatment.

Conclusions:

  • Biodegradable magnesium biliary stents offer a dual function for bile duct obstruction and gallbladder cancer treatment.
  • Mg exhibits significant application prospects in biliary surgery and oncology.
  • This study provides novel insights into magnesium's role in treating gallbladder cancer.