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Designer bacteria may lead to better vaccines
Date:1/15/2013

Trent. "For a long time vaccinology was really a trial-and-error field. It was a black box. We knew certain things worked. We knew certain vaccines had certain side effects. But we didn't entirely know why. Now that's changing."

Trent said that an additional advantage of their system is that the E. coli can be engineered to express key viral and bacterial antigens along with the endotoxin. A single cell could deliver both parts of the one-two punch, or even a one-two-three punch, if antigens from multiple diseases were expressed in a single E. coli.

"It makes possible a vaccine that provides protection from multiple pathogens at the same time," said Trent.

Trent and his colleagues are working on a second round of designer E. coli. They have also filed a provisional patent on their system and are working with the university to find a corporate partner to pay for clinical trials.

"This is ready to go," said Trent. "I can't predict whether it will actually make it to the market. But it's very similar to the adjuvant that has already been approved, and my instinct is that if a company will undertake to do the trials, it will get approved. A company could call us tomorrow, we could send them a strain, and they could start working."


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Contact: Daniel Oppenheimer
daniel.oppenheimer@utexas.edu
512-745-3353
University of Texas at Austin
Source:Eurekalert  

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