Scientists Discover Protein That Stops Cancer Spread
 

Scientists in the US have discovered that cancer tumors that don't spread to other parts of the body secrete a protein called prosaposin and that metastatic tumors, which do spread, don't secrete much of it. They suggest this discovery could lead the way to developing new treatments that stop cancers from spreading. The research was the work of a team at Children's Hospital Boston, Massachusetts, led by Dr Randoph S.

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