Opponents of embryonic stem cell research also are grabbing onto recent scientific advances that they say obviate the need for destroying embryos.
Opponents of embryonic stem cell research (ESCR) sought a method of producing pluripotent cells without destroying embryos.
Many
opponents of embryonic stem cell research hail this news as an important step away from research methods that rely on destroying embryos.
Although
opponents of embryonic stem cell research latched onto transdifferentiation and MAPCs, few scientists have ever proposed adult stem cells as an alternative to embryonic ones, Morrison says.
In particular,
opponents of embryonic stem cell research have repeatedly pointed to the supposed power of stem cells extracted from the adult body, which in the hands of at least one laboratory seemed to nearly match that of embryonic stem cells.
«Despite the Bush veto,
the opponents of embryonic stem cell research have lost the national debate,» he said.
Interestingly, none of
the opponents of embryonic stem cell research have called for research programs that might increase the odds of embryo survival.
Ethicist Nigel Cameron of the Illinois Institute of Technology,
an opponent of embryonic stem cell research, praises the reprogramming findings.
Not exact matches
He has been making that point since 2004, when in testimony to the U.S. Senate, he warned
embryonic stem cell
opponent Sam Brownback
of Kansas, «Those in a position
of advice or authority who participate in the banning or enforced delays
of biomedical research that could lead to the saving
of lives and the amelioration
of suffering are directly and morally responsible for the lives made worse or lost due to the ban, or even
of a moratorium that would deny such treatments in that short window
of time when it could help or save them.»
Opponents of research on human embryos might contend that reprogramming happened because
of the federal restrictions on
embryonic research, but Thomson believes the stigma on the field made researchers wary and delayed the discovery
of reprogramming by several years.
Daley, the associate director
of the stem cell programme at Children's Hospital Boston, decried his
opponents» portrayal
of human
embryonic stem cell research as replaceable with adult stem cell research or work on induced pluripotent cells.