(© Image: Depositphotos) - The ancient Egyptians, as described in the Ebers Papyrus, already knew that palpation -feeling for hardened lumps - can help diagnose breast cancer. Palpation is still an important element in early screening for breast cancer. On the other hand, measurements on individual cancer cells show that they are softer than the healthy epithelial cells from which they stem, which probably makes them better able to metastasise in dense human tissue. An international collaborative project led by the Soft Matter Physics Division at Leipzig University got to the bottom of this apparent paradox and has now published its findings in the renowned journal Nature Physics. In order to grow in healthy tissue, a tumour must displace the surrounding tissue. To do this, it must generate mechanically stable resistance in order to gain space. On the other hand, a high degree of deformability of individual cancer cells is advantageous for invading other tissue.
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