Vowing to veto the legislation, Bush said before the vote that the «reports give us added hope that we may one day enjoy the potential benefits
of embryonic stem cells without destroying human life.»
Others trumpeted «alternative» techniques that promise the creation
of embryonic stem cells without destroying embryos.
For the first time, specialised cells have been reprogrammed into the equivalent
of embryonic stem cells without using genes that might trigger cancer.
Not exact matches
A few weeks ago we all heard the announcement
of a major scientific breakthrough that allowed scientists to create the equivalent
of human
embryonic stem cells (called induced pluripotent
stem cells) but
without using or destroying embryos.
Just before Thanksgiving, news broke about a new
stem -
cell technique that could produce the equivalent
of embryonic stem cells (ESCs) but
without using or destroying human embryos.
A type
of «virgin birth»
stem cell could be as powerful as
embryonic stem cells but
without the same ethical objections, and are being tested for Parkinson ’s
But the factor that may make the discovery very significant is that umbilical cord blood can be saved, stored and multiplied
without any
of the ethical dilemmas facing
embryonic stem cell use, which are derived from human fetuses.
The
stem cells, derived from human umbilical cord - blood and coaxed into an
embryonic - like state, were grown
without the conventional use
of viruses, which can mutate genes and initiate cancers, according to the scientists.
On the other hand, the problem is, you know, with
embryonic stem cells, they haven't been able to get
stem cell lines from livestock animals that can proliferate in that way,
without just sort
of veering up in their own direction and turning into, instead
of muscle, turning into brain tissue or bone tissue or something else.
In the past few months, researchers in the United States and Japan have described a promising way
of deriving
embryonic stem cells from skin
cells (
of mice)
without destroying embryos — the «Holy Grail
of biotechnology,» as The Times
of London put it.
These
cells reportedly possessed many
of the same characteristics
of embryonic stem cells,
without requiring the ethically problematic destruction
of embryos.
All the potential
of embryonic stem cells might be harnessed with the new techniques —
without the political and moral controversy associated with destroying a fertilized egg.
From an entire organ to a dose
of embryonic stem cells, if the tissue's DNA came from anyone else, the transplant would be rejected
without the aid
of harsh immunosuppressive drugs.
The 2012 platform also repeats previous calls for expanding federal funding «for the
stem -
cell research that now offers the greatest hope for many afflictions — with adult
stem cells, umbilical cord blood, and
cells reprogrammed into pluripotent
stem cells —
without the destruction
of embryonic human life.»
• In March, a University
of Wisconsin team reprogrammed skin fibroblasts into
embryonic stem cells without incorporating the viral or other foreign DNA that can lead to complications like cancer.
Prescinding from the ethical questions, my own view is that there are scientifically interesting things that can come
of embryonic stem -
cell research, but that even
without regulation, it wouldn't be central.
The researchers suggest that since the adult muscle
stem cells are only activated when injury occurs (by trauma or exercise), they use a new set
of genes from those used during
embryonic development, which proceeds
without injury.
Two months ago, several scientists in Wisconsin and Japan announced that they had successfully created a type
of stem cell from ordinary human skin
cells that seems to be able to function exactly like an
embryonic stem cell without the need to create or destroy human embryos.
Opponents
of embryonic stem cell research (ESCR) sought a method
of producing pluripotent
cells without destroying embryos.
Bush sought to honor the spirit, if not, perhaps, the letter,
of Dickey - Wicker by providing funding for
embryonic stem -
cell research
without incentivizing further embryo destruction.
One
of his early achievements came from his demonstration that techniques used in preimplantation genetic diagnosis could be used to generate human
embryonic stem cells (hESCs)
without embryonic destruction.
Before reprogramming can be applied to our own species to generate custom
embryonic stem cells, scientists must be able to accomplish it
without altering the DNA
of the
cells involved.
Without these two technologies that you'll hear about in a moment, there would be no such thing as human embryonic stem cell research, and President Bush could have enjoyed his summer vacation in Crawford without having to agonize over the baptism of the infamous 64 stem cell
Without these two technologies that you'll hear about in a moment, there would be no such thing as human
embryonic stem cell research, and President Bush could have enjoyed his summer vacation in Crawford
without having to agonize over the baptism of the infamous 64 stem cell
without having to agonize over the baptism
of the infamous 64
stem cell lines.