The issue I have the pleasure of debating is one that has garnered quite a bit of attention in the last several years, and has been fiercely debated from several sides, and rightly so. While the debate about stem cell research involves more than just science and medicine, with morality and religion being an important part of the equation, a debate centered around closely-held personal beliefs will achieve nothing. Therefore, I intend to argue my side based solely on fact, and I ask my opponent to do the same.
As I have the honor of opening this debate, I think it would be prudent for me to lay forth the indisputable facts on stem cell research, as much of what the public sees on this topic is clouded by the right versus wrong debate, and as such is subject to spin from the media and special-interest groups. Stem cell research in general can be dated back almost forty years, when researchers first discovered stem cells in bone marrow. However, it wasn't until the 1980's that researchers were able to isolate stem cell populations from mice. This lead to the first isolation of human stem cells from embryonic tissue in 1998, an event that quickly grabbed the world's attention.
It is now recognized that stem cells have several properties that make them unique among cells:
- They are capable of dividing and renewing themselves for long periods
- They are unspecialized
- They are capable of generating specialized cells, a process known as differentiation
It is these properties which make them so attractive to researchers. Starting from a small group of stem cells (~30), it is possible for them to proliferate into a large population (several million), which researchers may then use to generate any number of specialized cells, from heart cells, to blood cells, to nerve cells. Stem cells may be classified into two general categories: embryonic and adult.
Embryonic stem cells are obtained from four to five day old embryos, which are grown via in vitro fertilization, with the informed consent of the donors. Herein lies the greatest focus of the debate, as the embryo is destroyed when the stem cells are removed. However, embryonic stem cells have several advantages over their adult cousins: they can differentiate into any number of specialized cells, and they are able to proliferate for well over a year in laboratory conditions.
Adult, or somatic, stem cells are obtained from adult tissue. They can be found in many locations in the human body, including bone marrow and brain tissue. Unlike embryonic cells, their source is unknown. It is possible that they are “leftover” embryonic cells, or perhaps the body has some unknown mechanism for generating stem cells. It is currently believed that adult stem cells have a limited range of specialized cells that they can differentiate to; with stem cells in bone marrow only being able to generate bone, cartilage, and fat cells, for instance. Also, researchers have been unable to maintain lines of adult stem cells for very long. Isolated cells typically differentiate spontaneously. However, adult stem cells do hold an advantage that replacement tissue could be grown from a patient's own cells, thus reducing the possibility of rejection.
There are many possible uses for stem cells, among them the generation of replacement cells and tissues, and research into cell division and differentiation, specifically how birth defects and cancer cells are created. In my arguments I intend to look in detail at three possible uses for stem cell research, and how these could benefit mankind. I will show indisputably that stem cell research must be undertaken if we are to further medical knowledge on these, and many other, issues.
I now hand the floor, such as it is, over to my esteemed opponent, StrangeLands. I look with anticipation to his opening statement, and hope for a fair and lively debate on this issue.


