Can cancer be reversed by engineering the tumor microenvironment?

Area of Science:

• Oncology
• Mechanical Biology
• Tissue Engineering

Background:

• Epithelial cancers are traditionally linked to somatic gene mutations.
• Tumor formation can also be induced by altering extracellular matrix (ECM) structure.
• Cancer progression involves cell behaviors controlled by physical interactions and mechanical forces.

Purpose of the Study:

• To explore the role of mechanical forces and ECM in cancer development.
• To investigate if cancer is a reversible condition.
• To propose a tissue engineering approach for cancer therapy.

Main Methods:

• Investigating how extracellular matrix (ECM) structure alterations induce tumor formation.
• Analyzing mechanical interactions between cells and ECM in cancer progression.
• Examining the role of Rho GTPase signaling in cytoskeletal tension and angiogenesis.

Main Results:

• Sustained alterations in ECM structure can induce cancer formation.
• Cancer cells can revert to normal morphology when exposed to embryonic mesenchyme or ECM scaffolds.
• Mechanical signaling and ECM deregulation are key drivers of cancer progression.

Conclusions:

• Cancer may be a reversible disease resulting from tissue architecture deregulation.
• Altered mechanical signaling in cells and ECM presents a new perspective on cancer.
• Tissue engineering strategies mimicking embryonic environments could offer novel cancer therapies.