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Stem Cells may Help Develop Eco-Friendly Meat

by Dr. Enozia Vakil on May 21, 2014 at 6:31 PM
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 Stem Cells may Help Develop Eco-Friendly Meat

There may be a future where faulty organs could be regrown from stem cells, and they would be an ethical and greener source of meat. So say scientists who suggest in the Cell Press journal Trends in Biotechnology that every town or village could one day have its very own small-scale, cultured meat factory.

"We believe that cultured meat is part of the future," said Cor van der Weele of Wageningen University in The Netherlands. "Other parts of the future are partly substituting meat with vegetarian products, keeping fewer animals in better circumstances, perhaps eating insects, etc. This discussion is certainly part of the future in that it is part of the search for a 'protein transition.' It is highly effective in stimulating a growing awareness and discussion of the problems of meat production and consumption."

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van der Weele and coauthor Johannes Tramper point out that the rising demand for meat around the world is unsustainable in terms of environmental pollution and energy consumption, not to mention the animal suffering associated with factory farming.

van der Weele said she first heard about cultured meat in 2004, when frog steaks were served at a French museum while the donor frog watched on (http://tcaproject.org/projects/victimless/cuisine). Tramper has studied the cultivation of animal cells—insect cells mostly—in the lab for almost 30 years. In 2007, he published a paper suggesting that insect cells might be useful as a food source.
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It is already possible to make meat from stem cells. To prove it, Mark Post, a professor of tissue engineering at Maastricht University, The Netherlands, presented the first lab-grown hamburger in 2013.

In the new Science & Society paper, van der Weele and Tramper outline a potential meat manufacturing process, starting with a vial of cells taken from a cell bank and ending with a pressed cake of minced meat. But there will be challenges when it comes to maintaining a continuous stem cell line and producing cultured meat that's cheaper than meat obtained in the usual way. Most likely, the price of "normal" meat would first have to rise considerably.

Still, the promise is too great to ignore.

"Cultured meat has great moral promise," write van der Weele and Tramper. "Worries about its unnaturalness might be met through small-scale production methods that allow close contact with cell-donor animals, thereby reversing feelings of alienation. From a technological perspective, 'village-scale' production is also a promising option."



Source: Eurekalert
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