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With HMGB1’s help, cells dine in

Like some people, cells eat when they are under pressure — but they consume parts of themselves. A multi-function protein helps control this form of cannibalism, according to a study in the September 6 issue of the Journal of Cell Biology (ww…

Cancer squeezes through the gaps

Cancer cells move around the body (become metastatic) by chopping up the dense matrix that surrounds them. But drugs that prevent the chopping have been disappointing in animal and human anti-cancer trials. Now researchers provide an explanation for this failure: the drug-treated cells revert to a primordial, ameboid form of cell movement that allows them to squeeze through gaps in the matrix.