Coronavirus vaccine created with synthetic biology would be ‘more potent’ than flu shot

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Credit: Ian Haydon/Institute for Protein Design

As companies hurry to test potential vaccines, the National Institute of Health (NIH) is hoping new bio-engineering techniques to help us restrain coronavirus—and its next mutation, too.

As reported by Sharon Begley in STAT, NIH is looking toward synthetic biology for the next advancement in vaccination development. This research is funded, in part, by the Bill and Melinda Gates Foundation’s $100 million commitment to strengthening global “detection, isolation, and treatment efforts” directed at COVID-19.

Scientists begin the process by engineering nanoparticles out of proteins. Using a computational algorithm, they experiment with a million variants to discover the optimal structure. This structure not only allows the nanoparticle to house the viral antigens, but arranges those antigens for maximal arousal of the body’s immune response.

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After lab-crafting DNA to code for the nanoparticle, the scientists place it in E. coli bacteria. Once the bacteria begin manufacturing the desired protein, it is extracted, purified, and studded with viral antigens.

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“If tests in lab animals of the first such nanoparticle vaccine are any indication, it should be more potent than either old-fashioned viral vaccines like those for influenza or the viral antigens on their own (without the nanoparticle),” Begley writes.

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