Arizona State University creates cancer-fighting nanorobots

Arizona State University (ASU) has revealed a new targeted treatment for cancer using nanorobots that can cut off the blood supply to tumours, causing them to shrink. 

Details of the successful demonstration of the development have been published in the journal Nature Biotechnology.

The robots have been devised using a technique called DNA origami, with the result being the nanorobots are programmed to target vessels that feed tumours. 

Director of ASU Biodesign Institute's Center for Molecular Design and Biomimetic Hao Yan, an expert in DNA origami, said: "We have developed the first fully autonomous, DNA robotic system for a very precise drug design and targeted cancer therapy. 

"Moreover, this technology is a strategy that can be used for many types of cancer, since all solid tumor-feeding blood vessels are essentially the same."

The demonstration was achieved using the nanorobots to target tumours relating to breast, ovarian, lung and skin cancer in mice. 

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