What is Cellular Motility?
Cellular motility refers to the ability of cells to move and navigate through their environment. This process is crucial for various physiological functions, including embryonic development, wound healing, and immune responses. However, in the context of
cancer, cellular motility becomes a double-edged sword, contributing to the
invasion and metastasis of cancer cells.
How Does Motility Contribute to Cancer Progression?
The enhanced motility of cancer cells enables them to invade surrounding tissues and enter the bloodstream or lymphatic system. This dissemination leads to the formation of
secondary tumors in distant organs, a process known as metastasis. The ability of cancer cells to migrate is often driven by genetic mutations and alterations in the tumor microenvironment.
Can Targeting Motility Provide Therapeutic Benefits?
Given its pivotal role in metastasis, targeting cancer cell motility offers a promising therapeutic approach. Inhibitors of key motility-related molecules, such as MMPs and Rho GTPases, are currently under investigation. Additionally, therapies that alter the TME to make it less conducive to cancer cell migration are being explored.
What are the Challenges in Targeting Cancer Cell Motility?
Despite its potential, targeting cancer cell motility faces several challenges. The redundancy and complexity of the signaling networks involved in motility make it difficult to pinpoint specific therapeutic targets. Moreover, inhibiting motility-related pathways might affect normal physiological processes, leading to unintended side effects.