Exact(9)
So Mr. Daschle, Mr. Brownback added, is trying to get the stem cell debate "back on favorable terrain".
To get the stem cells, the scientists must extract them from blastocysts -- early-stage embryos, just a few days old.
Human embryonic stem cells are derived from human embryos, about a week old, and the only way to get the stem cells is to destroy the embryos.
The biggest challenge is trying to get the stem cells to reliably turn into a single desired type of cell, which is usually done by exposing the cells to certain growth factors or implanting particular genes in them.
"My main objection to human embryonic stem-cell work is that to get the stem cell you've got to kill a human to do it," Dr. Mathews-Roth said.
Anti-abortion groups are urging the Bush administration to abolish Clinton-era rules that would permit federal funds to be used for research involving stem cells derived from human embryos, though federally funded scientists cannot be involved in destroying the embryos to get the stem cells.
Similar(51)
I also worked on an Antlers remix a lot there, that's why that was called "Empty Castles (No Widows)." For that one, I just knew I wanted to do something with that song, and I asked the Antlers and they said "sure", but it took a long time to get the stems from them, so in the meantime I just made it myself, with dozens of cellos, in the French countryside.
After her doctors spent six months searching the donor lists for stem cells close enough to Megan's own tissue, she got the stem cells she needed -- but not from a bone-marrow donor.
While I know anecdotal evidence is shaky a best, I believe that LittleBits has finally gotten the STEM formula right.
When tested eight weeks later, the rats that got the stem cell tissue-grafts showed better healing and better sexual function than rats in the other groups.
However, once I got the stems and heard the power of Francesca's isolated vocals, things got really interesting.
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Justyna Jupowicz-Kozak
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