Engineers at UC San Diego have developed microrobots capable of swimming through lungs to deliver cancer-fighting drugs directly to metastatic tumors. Published in Science Advances, the study details how these microrobots, crafted from green algae cells coated with drug-loaded nanoparticles, enhance drug delivery and retention in mice. The red blood cell membrane coating prevents immune responses, prolonging microrobot circulation in the lungs. Mice treated with these microrobots showed improved survival rates compared to controls, underscoring their potential for treating lung metastases with reduced side effects.
Nanoengineered Microrobots Combat Lung Metastasis
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