First Hour: 'Historian of the Future'
Charles Ostman shares an update on stem cell research.
http://www.coasttocoastam.com/
STEM CELL RESEARCH - All sides to the dispute.
http://www.religioustolerance.org/res_stem.htm
Overview:
A stem cell is a primitive type of cell that can be
coaxed into developing into most of the 220 types of
cells found in the human body (e.g. blood cells, heart
cells, brain cells, etc). Some researchers regard them
as offering the greatest potential for the alleviation
of human suffering since the development of antibiotics.
Over 100 million Americans and two billion other humans
worldwide suffer from diseases that may eventually be
treated more effectively with stem cells or even cured.
These include heart disease, diabetes, and certain types
of cancer.
Stem cells can be extracted from very young human
embryos -- typically from surplus frozen embryos left
over from in-vitro fertilization (IVF) procedures at
fertility clinics. A couple undergoing IVF is faced with
four alternatives for their 16 or so surplus embryos:
Have them discarded.
Donate the embryos to another infertile couple in what
is sometimes called "embryo adoption.".
Donate the embryos for research
Have the embryos preserved at very low temperatures.
There are very few parents willing to give their embryos
to another couple for a variety of emotional reasons.
There are very few couples willing to receive them for
emotional reasons and because thawed embryos have such a
low chance of starting a pregnancy. Preservation can be
expensive. So most ask that they be discarded.
There are currently hundreds of thousands of surplus
embryos in storage. One source estimated that there were
400,000 stored embryos by mid-2003. 4 However, a
minority of pro-lifers and a majority of pro-life
organizations object to the use of embryos in research.
They feel that a few-days-old embryo is a human person.
Extracting its stem cells kills the embryo -- an act
that they consider to be murder. Stem cells can now be
grown in the laboratory, so (in a pinch) some research
can be done using existing stem cells. No further
harvesting needs to be made from embryos. However,
existing stem cell lines are gradually degrading and
will soon be useless for research.
Stem cells can also be extracted from adult tissue,
without harm to the subject. Unfortunately, they are
difficult to remove and are severely limited in
quantity. There has been a consensus among researchers
that adult stem cells are limited in usefulness -- that
they can be used to produce only a few of the 220 types
of cells in the human body. However, some evidence is
emerging that indicates that adult cells may be more
flexible than has previously been believed.
Research using embryo stem cells had been authorized in
Britain, but was initially halted in the U.S. by
President George W. Bush. He decided on 2001-AUG-9 to
allow research to resume in government labs, but
restricted researchers to use only 72 existing lines of
stem cells. By 2003-MAY, most of these lines had become
useless. Only 22 remained in mid-2006, and many of them
were of limited usefulness because of DNA damage.
Research continues in U.S. private labs and in both
government and private labs in the UK, Japan, France,
Australia, and other countries. On 2002-SEP, Governor
Davis of California signed bill SB 253 into law. It is
the first law in the U.S. that permits stem cell
research. Davis simultaneously signed a bill that
permanently bans all human cloning in the state for
reproduction purposes -- i.e. any effort to create a
cloned individual.
Following former president Ronald Reagan's death due to
Alzheimer's in 2004-JUN -- a slow, lingering disease
that took a decade to kill him -- Nancy Reagan and all
of her family, except for Michael Reagan, mounted a
campaign to encourage President Bush to relax
restrictions on embryo stem cell research. Fifty-eight
senators, almost all Democrats, sent a letter to
President Bush, urging the same action.
A federal bill passed the House on 2005-MAY-24 to allow
government funded research on embryonic stem cells
extracted from surplus embryos in fertility clinics. It
is expected to be voted upon by the Senate in 2006-JUL.
President Bush has promised to veto it.
http://www.religioustolerance.org/res_stem.htm
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