High-Intensity Ultrasound may help launch attack on cancer

High-Intensity Ultrasound May Launch Attack On Cancer, Wherever It Lurks ScienceDaily 8/8/07 "An intense form of ultrasound that shakes a tumor until its cells start to leak can trigger an “alarm” that enlists immune defenses against the cancerous invasion...findings from animal experiments suggest that once activated by the ultrasound, the immune system might even seek and destroy cancer cells, including those that have spread through the bloodstream to lurk in other parts of the body...That shaking ruptures tumor cell membranes, causing them to spill their contents. The toxic spill then alerts the immune system to the cancer threat, leading to the production of tumor-fighting white blood cells...For reasons that are still not completely understood, cancer cells often go largely undetected by the immune system, Zhong said. For an anti-tumor immune response to be effective, it may need to recognize not only the surface proteins of cancer cells, but some of the other proteins locked inside those cells, which Zhong called “danger signals.”..."

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