Brain tumor cells penetrated by tiny, degradable particles carrying genetic instructions

Tiny, biodegradable 'nanoparticles' able to carry DNA to brain cancer cells in mice have been developed by engineers and neurosurgeons working together. The team says the results of their proof of principle experiment suggest that such particles loaded with 'death genes' might one day be given to brain cancer patients during neurosurgery to selectively kill off any remaining tumor cells without damaging normal brain tissue.

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