Tumor-seeking salmonella treats brain tumors
Biomedical engineers at Duke University have recruited an unlikely ally in the fight against the deadliest form of brain cancer—a strain of salmonella that usually causes food poisoning.

Clinicians sorely need new treatment approaches for glioblastoma, the most aggressive form of brain cancer. The blood-brain barrier—a protective sheath separating brain tissue from its blood vessels—makes it difficult to attack the disease with drugs. It' s also difficult to completely remove through surgery, as even tiny remnants inevitably spawn new tumors. Even with the best care currently available, median survival time is a dire 15 months, and only 10 percent of patients survive five years once diagnosed....

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