Neither outcome is satisfactory for using the cell lines to model diseases or screen drugs.
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Why can't we just make do with the stem cell lines that already exist, they ask?
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These disease-specific stem cell lines will also be invaluable in testing out new therapies.
BBC: Embryonic stem cells can be turned into any kind of cell
They derived the actual stem-cell lines for each of these patients, nine of the 11 patients.
An aging stem cell doesn't quite have the luxury of dividing into all these cell lines.
These cells can differentiate into many different cell lines, including cardiac, neuro, or even skeletal muscle.
Geron owns patents on and licenses the procedure to make these stem cell lines.
Edward Kennedy (D-Mass.) grilled him on the merits of the approved 64 cell lines.
So researchers are looking for ways to make stem cell lines to match individual patients.
These cell lines have the potential of introducing other viruses into the experimental environment.
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Finding out the cell lines that were being used to study the disease were wrong.
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Aventis is using human retinal cell lines to develop vats of flu serum.
How about the moms who gave up the eggs to allow those stem cell lines to exist?
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Baxter International is now in late-stage trials in Europe using green-monkey kidney cell lines to grow the virus in vats.
If they were both mouse cell lines then other considerations enter the equation.
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Twenty-one of the 60 stem cell lines authorized for research under the Bush policy have proven useful to researchers.
Gothenburg University in Gothenburg, Sweden, owns the most, with 19 stem cell lines.
Never mind Wednesday's presidential veto on expanded federal funding of stem cell lines.
Mr Bush said finance would be restricted to existing stem cell lines from embryos that had already been destroyed.
If so, it would have been spiked, as the authors stated that they amplified mouse DNA from both cell lines.
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McCoy mouse cell lines express a polytropic MLV (9) and the RAW cell line was initially transformed by Abelson MLV.
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The authors of the PLoS Biology report claimed that iPS cell lines can create live, iPS derived mice that survive into adulthood.
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A. Non-embryonic stem cell lines involve cells that are more differentiated and thus less capable of being programmed into various cell lines.
But some food companies are using cell lines that were originally derived from human fetuses in order to develop new food products.
Mitalipov's team only generated two stem cell lines from 304 monkey eggs.
This seems to be a parsimonious explanation as there was no evidence of contamination prior to the use of these cell lines.
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It is not clear whether both cell lines were of mouse origin.
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Indeed studies have demonstrated that such cell lines are either depleted of mtDNA (12) or that the mitochondrial genome is highly mutated (13).
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Scientists found however, that feeder cells and serums derived from other animal cells introduced disease-causing agents that compromised the quality of the cell lines.
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Federal research funds were prohibited for embryonic stem-cell research until August 2001, when Bush approved spending for research using only already-existing cell lines.
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