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David Fluri  (Source: daylife.com)
The new suspension method allows stem cells to be collected in larger numbers instead of being scraped off of a surface

Researchers from the University of Toronto's Institute of Biomaterials and Biomedical Engineering (IBBME) have created a new method for growing stem cells in larger quantities.

David Fluri, a postdoctoral researcher at IBBME, and Peter Zandstra, a professor at IBBME, have developed a new suspension method for growing stem cells, which allows for the collection of greater numbers of stem cells and increases the chance of obtaining viable cells in a cost-effective way.

Traditionally, stem cells are grown on surfaces that need to be scraped and are then differentiated from other kinds of cells to avoid cell death. However, this method doesn't produce enough viable stem cells from each culture, and the high cost to use this method doesn't match the results.

But now, Fluri and Zandstra have combined the stem cell creation process with a bioreactor, which provides stable environments for such processes. The cells were also grown in suspension, making the process more stable and safer for more viable cells.

By doing this, mouse cells were reprogrammed into pluripotent stem cells, which can become any kind of cell. They were then changed into cardiac cells.

Fluri and Zandstra hope that this new technique can be used to eventually treat heart disease. It is designed to work with large scale processes and provide the quantity needed for successful stem cell research and drug development.

"This is an enabling technology," said Zandstra. "It takes something we showed we could do before at low efficiency but not at such numbers that could be used in manufacturing."

Source: Eurekalert



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RE: This could have been the US
By wordsworm on 4/9/2012 9:28:57 PM , Rating: 2
I think Bush II was a moron. He's America's dumbest president in history. But of all the decisions he made, this was his best. The source of getting the stem cells should *never* be aborted fetuses for obvious reasons. People should never even have the temptation to make money from having abortions (not referring to the doctors who perform them, just the people who have them.)

I thought it was clear that he made a pretty good call on this one isolated issue. It seemed inevitable, to me, that eventually scientists would find another way to get stem cells, and they did.


RE: This could have been the US
By corduroygt on 4/10/2012 12:14:02 AM , Rating: 2
What are these "obvious reasons?" First the problem you described could easily be rectified via only accepting one per person. Second, a fetus is just a clump of cells without a higher consciousness if aborted early enough, so there are no moral consequences there either.

He did not make a good call, Obama overturned his decision right away and THAT was the right call.


"There is a single light of science, and to brighten it anywhere is to brighten it everywhere." -- Isaac Asimov














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