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flag Cells sense tissue stiffness up to 100 microns away, aiding development and cancer spread, a discovery that may lead to new anti-metastasis treatments.

flag A new study from Washington University in St. Louis reveals that human cells, including cancer cells, can sense physical properties like stiffness in tissues far beyond their immediate contact by pulling on collagen fibers in the extracellular matrix. flag Cancer cells can detect conditions up to 10 microns ahead, while groups of normal epithelial cells working together can sense up to 100 microns away. flag This depth mechano-sensing helps guide cell movement during development, healing, and cancer spread. flag The findings, published in PNAS, suggest that disrupting this ability could offer new ways to limit cancer metastasis.

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