Nanoparticle-coated bacteria can deliver cancer vaccine

Marking an important step in the development of immunotherapy cancer treatment, scientists have demonstrated that nanoparticle-coated bacteria can effectively deliver an oral DNA vaccine that stimulates the body's own immune system to destroy its cancer cells. This is the first time that a nanoparticle coating has been used for bacterial delivery of oral DNA vaccination in vivo. Compared with uncoated bacteria, coated bacteria can bypass many of the roadblocks that have so far limited the immune response and that currently pose the biggest challenge to DNA vaccinations against cancer.

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