GoKawiilEngineered Salmonella bacteria used to deliver cancer drugs directly to tumours
Researchers at the University of Minnesota, led by surgeon Daniel Saltzman, have developed a therapy using genetically modified Salmonella Typhimurium bacteria to carry interleukin-2, an immune-stimulating molecule, straight into tumours. Pancreatic cancer patient John Heller received the experimental treatment after starting chemotherapy for advanced disease, illustrating an early real-world test of the approach.
GoKawiil's interpretation of the reporting above, not reported fact.
Delivering potent immune drugs like IL-2 systemically often causes severe side effects, so using bacteria that naturally colonize tumours as a targeted delivery vehicle could allow stronger doses with less toxicity. This approach reflects a broader push in oncology toward engineered microbial therapies that combine synthetic biology with immunotherapy for hard-to-treat cancers.
- Genetically engineered Salmonella bacteria are being used to ferry immune-boosting drugs directly into tumours.
- The method aims to reduce the systemic toxicity associated with therapies like IL-2.
- A pancreatic cancer patient's case highlights early clinical exploration of bacterial drug delivery for aggressive tumours.
Source: nature.com — Drew, 2026-09-09
Published there as: “Special delivery: bacterial couriers are smuggling drugs into cancers”
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