( Paul Coussens a professor of animal sc...)New Cell Lines Cuts Down the Cost and Time in the Production of Flu Vaccine,Health

Paul Coussens, a professor of animal science and microbiology and molecular genetics, and his colleagues from Michigan State University found that a new cell// line has the ability and potential for growing flu virus.

This is good news because it would result in the production of new human flu vaccines which is cheaper and produced in a shorter period of time.

He identified the new cell line while working on the Marek's disease which is a common chicken disease. This technique is very useful and is not time consuming when compared to the earlier procedure in which the virus strains were grown in fertilized chicken eggs. 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
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