Cancer cells get help migrating through the body
![head and neck cancer cells](https://www.sciencenews.org/sites/default/files/2015/12/main/articles/121415_ti_cancer-tracks_free.jpg)
SAN DIEGO — Some helper cells may smooth the way for cancer cells to move, a new study suggests. Cells called cancer-associated fibroblasts arrange a normal meshwork of fibers into straight tracks, cell biologist Begum Erdogan of Vanderbilt University in Nashville and colleagues reported December 13 at the <
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