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Starving tumors makes cancer treatment work better

Pancreatic cancer cells are known for being hard to treat, partly because they change the environment around them to block drugs and immune cells. Scientists discovered that these tumors use a scavenging process—called macropinocytosis—to pull nutrients from nearby tissue and keep growing. By blocking this process in mice, researchers were able to change the tumor’s environment, making it softer, less dense, and easier for immune cells and therapies to reach.

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