Scientists from the Shenzhen Institute of Advanced Technology, affiliated with the Chinese Academy of Sciences (CAS), have proposed a method for treating cancer using genetically modified bacteria controlled by sound waves. The findings of the study were published in the journal Nature Communication.
Researchers have created sonic tweezers to control bacteria that can be used to kill cancer cells. Scientists have genetically modified bacteria to make them more sensitive to sound waves. In the method proposed by the scientists, an acoustic wave directs microbes to a cancerous tumor. By testing the method on live mice, the researchers confirmed the effectiveness of bacterial accumulation in tumors.
The tweezers are based on a transducer that generates volumetric three-dimensional acoustic waves. Sound waves are easier to pass through the tissues of the body than magnetic or light radiation. In this way, the tweezers developed by scientists can be a turning point in targeted cancer therapy, in which the treatment focuses on the effect on the tumor and almost does not affect healthy tissues – this ensures high treatment efficiency with minimal side effects.
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