Cells Can Sense 10x Farther Than Expected, Revealing Potential Cancer Spread Mechanisms
• Engineers at Washington University in St. Louis discovered that cells can sense far beyond the surfaces they touch through a process called "depth mechano-sensing," with clusters of normal epithelial cells detecting layers as far as 100 microns away by tugging on surrounding collagen fibers. • Individual cancer cells can probe about 10 microns ahead, while normal cell clusters working together can sense 10 times farther, helping cells decide where to migrate and providing new insights into cancer cell behavior. • The findings, published in PNAS, could reveal new targets to prevent cancer from spreading and advance understanding of how cancer cells move through the body.
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