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"Microscopic Blades" Driving Colorectal Tumor Metastasis

Sep 22, 2026 · Site Administrator · 80 views

"Microscopic Blades" Driving Colorectal Tumor Metastasis
Source & Reference: Published in Molecular Cancer Journal / Xinhua Science Report
Source URL: https://molecular-cancer.biomedcentral.com/

Oncology research from the Xiangya Second Hospital of Central South University detected high concentrations of microplastics in human intestinal tumor tissue biopsies.

Key Oncological Findings:

  • Tumor Biopsy Detection: Microplastics were identified in 56.4% of intestinal tumor tissue samples, showing higher density in cancerous regions than in adjacent healthy tissue.
  • Physical Laceration ("Micro Blades"): Over 76% of detected particles were under 100μm with sharp, irregular geometries, mechanically slicing mucosal cell membranes and generating chronic inflammation.
  • Metastatic Activation: Mechanical damage spikes Reactive Oxygen Species (ROS), accelerating Epithelial‑Mesenchymal Transition (EMT) and promoting tumor invasion.
#Microplastics#Colorectal Cancer#Oncology#Gut Health#Tumor Microenvironment#Central South University

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