Embryonic Stem-Cell Research: Experts Debate Pros and Cons

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Embryonic Stem-Cell Research: Experts Debate Pros and Cons

Experts debate embryonic stem-cell research. What are the pros and cons? Is it necessary? Is it ethical? Get the facts and learn the issues from the experts themselves.

[Editor's note: This article was originally hosted on MyFamilyDoctorMag.com, our sister site.
It's now featured here as part of our new general-health section.]

 

The positions couldn’t be more polar.

Some say it could save lives. Others say it kills them. And the embryonic stem-cell research debate shows no signs of dying down any time soon.

Rules of Engagement

We invited each participant to write an argument, then read the opponent’s argument and write a rebuttal. Neither was allowed to read the other’s initial argument before writing his own, and neither could read the other’s response before rebutting.

Opponents point out that research on adult stem cells has yielded more practical results so far—for example, bone marrow transplants. But proponents believe embryonic stem cells hold more promise. Besides, they say, research on adult stem cells has been going on longer than on embryonic ones.

In the end, whatever such cells may or may not be able to give us, the question comes down to: Is embryonic stem-cell research ethical? And that’s what we asked our experts to debate.

Share your opinions in the comments section at the end of the article.


Pros Argument: YES: embryonic stem-cell research is ethical.

Human embryonic stem-cell research is not only ethical, it is an essential field to pursue to make key advances in biomedical research to treat diseases effectively where there are currently no cures—including, but not limited to, paralysis from spinal cord injury, diabetes, Parkinson’s disease and cancer.

Pros

kaufman_dan-stem-cells Dan S. Kaufman, M.D., Ph.D., associate director, University of Minnesota Stem Cell Institute; associate professor, Department of Medicine, Division of Hematology, Oncology, and Transplantation

The characterization of human embryonic stem cells in 1998 remains a landmark discovery. In the past 10 years, we have made tremendous progress to effectively produce many different cell types from human embryonic stem cells. Indeed, investigators will soon be able to pursue clinical trials using neurons, pancreatic cells, heart cells or other tissue produced from human embryonic stem cells to treat many diseases, such as those listed above.

Other nonembryonic stem-cell populations, such as blood stem cells found in the bone marrow, are routinely utilized to treat some types of blood cell cancers such as leukemia, lymphoma and myeloma. As a physician who does bone marrow transplantation, I know this application of blood stem cells can be lifesaving. However, these blood stem cells are limited to treating only a narrow range of diseases. We need to do more.

It is important to recognize that human embryonic stem cells all come from embryos created in excess by fertility clinics. All of these embryos will be destroyed if they are not donated by couples specifically to produce embryonic stem cells for biomedical research.* The question then is, what is the most respectful way to treat these valuable embryos? Destroy them or provide researchers valuable insights that may one day develop lifesaving therapies and cures.

Exciting advances are being made in many aspects of stem-cell research using both embryonic and nonembryonic stem cells. It is now imperative that scientists pursue all promising areas of this field in order to get new stem-cell-based therapies to patients as soon as possible.


Cons Argument: NO: embryonic stem-cell research is not ethical.
Cons

prentice-david-stem-cellsDavid Prentice, Ph.D., cell biologist; senior fellow for life sciences, Family Research Council (Christian lobbying organization and conservative think tank); founding member, Do No Harm: The Coalition of Americans for Research Ethics

Embryonic stem-cell research is not ethical because it relies on the destruction of young human life. The biological fact is that an early human embryo is an organism, a member of the human species; it is not just a collection of cells any more than an adult human is a collection of cells. Though an early human embryo does not look at that stage of life as he or she will later, further development is not a matter of adding parts by construction, but development is rather an unfolding of the genetic plan within its genome.

Get in on the Debate!

Sound off! Share your opinions about embryonic stem-cell research in the comments section below.

Newer technologies exist that allow creation of identical embryonic-type stem cells without the use of embryos, cloning or human eggs, bypassing any need for ethically questionable research with human embryos or risking the health of women.

Moreover, embryonic stem-cell research is also unethical from the standpoint that it wastes resources that could be more prudently spent on adult stem-cell research and real treatments for patients.

In the 27 years since the advent of embryonic stem-cell research in 1981, scientists have still not demonstrated the ability to control the cells and their attendant risk of tumor formation, inappropriate tissue growth and immune rejection, and the leading researchers continue to note that it will be decades at best before embryonic stem cells might possibly be used for patients. In the meantime, hundreds of published references document the ability of adult stem cells from bone marrow, umbilical cord blood and even fat tissue in effectively alleviating symptoms of dozens of diseases.

If our intent is to help the patient first, wise use of resources demands that we focus on adult stem cells and making such treatments available to more patients.

 

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Rebuttals
rebuttals
Dr. Prentice’s

The recent published science shows adult stem cells successfully treating much more than blood disorders, including heart and liver damage, spinal cord injury, juvenile diabetes and multiple sclerosis. The leading embryonic stem cell scientists acknowledge that it will be decades, if ever, before embryonic stem cells might be used to treat patients, and many are switching to nonembryonic stem-cell research. Most “excess” fertility clinic embryos are not discarded—the parents realize those are their children—and the embryos available are insufficient in number and diversity for any meaningful research.
Dr. Kaufman’s

Based on Dr. Prentice’s argument, fertility (IVF) clinics should be shut down, as these clinics always create more embryos than can be used for couples trying to have a baby. However, over one million children have been born through IVF in the 30 years since this procedure was first successful—a procedure that is truly “pro-life.” Hundreds of thousands of unused embryos remain frozen in these clinics and will be discarded. Many couples strongly wish to donate these embryos for potentially life-saving embryonic stem-cell research. They should have this option.

The Survival Doctor's Guides to Burns and Wounds, by @James Hubbard*Editor’s note: A couple can also donate embryos for adoption. Here’s the Office of Population Affairs’ site about such programs.

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Original article appeared in November/December 2008 issue of My Family Doctor magazine. Bios and opinions current as of that issue. This general health-care information is not meant as individual advice. Please see our disclaimer.

  • http://www.researchimpact.com/ research impact

    Stem Cells by Type can be classified into Adult Stem Cells, Cord Blood Stem Cells, Embryonic Stem Cells and Other. Stem Cell Research by Technology is segmented into Stem Cell Transplantation, CB Genomics, Xenotransplantation, Cord Blood Banking and Other. The Therapeutic applications of Stem Cell Research are analyzed by area into Neurology, Orthopedics, Oncology, Hematology, Cardiology, Dermatology, Diabetes, Hepatology and Other. for more details on stem cell research and in cardiology do refer our website

  • QuantorQual

    Dr. Kaufman stated that “It is important to recognize that human embryonic stem cells all come from embryos created in excess by fertility clinics.” By using the word ‘created’, it insinuates that the embryos were completely ‘made’ in a lab. In the next sentence however, he states, “All of these embryos will be destroyed if they are not donated by couples specifically to produce embryonic stem cells for biomedical research.” Here the word ‘donated’ is used which leads the reader to believe they were not made in a lab. To avoid confusion, I would suggest a revision be made to the article.

    • Bulbasaur

      Being that it is their genetic material, the embryos belong to them.
      In-vitro embryos are made completely in a lab, but it is for the reason above that they must be donated.

      There is no confusion.

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