Curb A Cancer's Deadliness? Potent Metastasis Inhibitor Identified

Researchers have isolated a potent metastasis inhibitor produced by tumor cells, one that could potentially be harnessed as a cancer treatment. The protein, prosaposin, reduced metastases by 80 percent in a mouse model and significantly prolonged survival, the researchers report. Currently, there are no approved therapies for inhibiting or treating metastases.

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