Being able to get proteins into specific cells in the body would transform medicine, and nanosyringes might just be the answer
release nanosyringes loaded with toxic proteins when they infect insects. The nanosyringes bind to specific proteins on insect cells and inject the toxins into these cells, killing them for the bacteria to feed on.to predict the structure of the nanosyringes, including the section that binds to protein receptors on the outside of cells and triggers the injection.
“The fact that this can load a diversity of different payloads of different sizes makes it unique amongst protein delivery devices,” says Kreitz. Each nanosyringe can hold around 10 proteins depending on size, he says. This shows that the nanosyringes could be programmed to target any cell type, he says, potentially including various cancers.
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