An illustration depicting the mechanism of the Crunch cell targeting system developed by researchers at Kyoto University. A blue silhouette of a person stands on the left. On the right is a magnified image of inside the body, where purple malignant cells have yellow proteins on their surface. A green adaptor protein depicted as being attracted to the yellow proteins is flying to the cells, while an orange phagocyte is attached to the adaptor protein.
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Researchers modified a protein in the cell elimination pathway to create a targeted system for destroying disease-causing cells, called Crunch.

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