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Producing flu vaccines will be faster and cheaper, thanks to MSU technology

East lansing, Mich. -- Technology from Michigan State animal science labs looks to produce new human flu vaccines quicker and cheaper than current methods.

While studying new techniques to produce vaccines for Marek's disease, a common chicken disease that causes big losses for poultry producers, Paul Coussens, MSU professor of animal science and microbiology and molecular genetics, and his colleagues found a cell line that had intriguing potential for growing flu virus a change from the fertilized chicken eggs that are now used to grow the virus strains for vaccines.

HepaLife Technologies Inc., a biotechnology company based in Vancouver, has licensed the technology from MSU and plans to produce cell culture-based flu vaccine.

"We want to proceed as quickly as possible," said Harmel Rayat, president of HepaLife. "There's no time to waste. Sooner or later the avian flu virus will be in North America. It's not if, it's when."

"The recent highly virulent avian flu cases in Asia and fears about a pandemic have highlighted the problems with traditional influenza vaccine production methods, particularly the length of time to produce a new vaccine and the amount of vaccine that can be produced on short notice," said Coussens, who also is the director of the MSU Center for Animal Functional Genomics.

Building on work done by graduate student Amin Abujoub and assistant professor David Reilly, Coussens and his collaborators found the cell line would grow almost every type of flu virus: avian, swine, equine and human. In cell culture-based vaccine production, scientists infect cells with flu strains. Then they grow the virus in large vats or bioreactors. The virus is killed and purified to make the vaccine.

Growing virus in cell culture could dramatically speed up vaccine production. For the past 50 years, flu vaccines have been made by injecting 11-day-old fertilized chicken eggs with a flu virus strain. The vir
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Contact: Sue Nichols
nichols@msu.edu
517-353-8942
Michigan State University
10-Jul-2006


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