See the unusual way cancer cells spread

Scientists have discovered that cancer's surface proteins help it survive and move around the body.

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See the unusual way cancer cells spread

In many ways, the biggest problem with fighting cancer is containing it: you may kill the main tumor site, but there's a real chance that it'll spread and reemerge as a threat. At last, though, scientists have a better understanding of how that migration happens. British researchers have learned that cancer cells invoke an unusual survival mechanism when they start to float through the body. Proteins on the cell surface (integrins) switch from their usual role, adhesion, to internal signalling that has the rest of the cell protect itself against death. The cancer is steeling itself for the journey, in other words.

The findings could prompt a major change in how doctors treat at least some forms of cancer. Current treatments targeting those proteins try to block the adhesion -- it may be smarter to prevent those proteins from entering the cell, stopping the trip entirely. Much more research is necessary to make that happen (studies have revolved around zebrafish so far, for example), but there's already hope of stopping tumors in their tracks.

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