Benefits of Stem Cell Research Institution Abstract. Stem cells are unspecialized cells which are capable of self-renewal and also of differentiation into specialized cells. Stem cell research holds the promise of making an unmatched contribution towards tissue transplants, replacement of aging or damaged tissue, gene therapy and effective drug testing…
There are three types of stem cells. Embryonic stem cells (ESCs) are derived from the embryo and are pluripotent: they have the potential to become all the different cell types of the body. Adult, or somatic, stem cells are found in organs or tissues, and are multipotent: they can differentiate to yield the specialized cell types comprising that particular organ or tissue and are important for maintenance and repair of the organ or tissue. Induced pluripotent stem cells (iPSCs) are adult cells that have been genetically reprogrammed to an embryonic stem cell–like state. The dual capacity of stem cells for self-renewal, and for differentiation into particular types of cells and tissues, offers great potential for regenerating failing body parts and curing diseases that have so far defied drug-based treatment (NIH, 2002). Advocates of stem cell research consider it to be mankind’s greatest hope of survival. At the other end of the spectrum are the detractors, who paint a doomsday scenario of “a new world of “embryo farms” and “cloning mills” for the cultivation of human spare parts” (Weiss, n.d.). ...
Bone marrow contains blood-forming stem cells (hematopoietic stem cells) that have been used for over four decades to treat blood cancers and other inherited blood disorders. Bone marrow transplants are able to permanently replace a patient’s diseased blood system and give the patient a new lease on life. Persons who have diseases of the bone marrow are injected with healthy hematopoietic stem cells that produce healthy blood cells, and replace the function of their own non-functioning bone marrow (NIH, 2002). Umbilical cord blood, which is harvested from the umbilical cord of the baby after birth, is another source of hematopoietic stem cells that is being used in treatment. Cord blood is rich in a kind of stem cell that gives rise to oxygen-carrying red blood cells, disease-fighting white blood cells, and other parts of the blood and immune systems (Weiss, n.d.). The advantage of cord blood cells is that these stem cells can be frozen (‘cryopreserved’) in cell banks and later be used to treat children with cancerous blood disorders such as leukaemia, as well as genetic blood diseases like Fanconi anaemia. Another advantage of cord blood transplants is that they are less likely than conventional bone marrow transplants to be rejected by the immune system, or to result in a negative reaction such as Graft versus Host Disease. (EuroStemCell, 2013). Unlike conventional blood transfusions, which provide only temporary volumes of cells which die in a few months and have to be replaced yet again, the stem cells found in bone marrow and cord blood can generate fresh blood and immune cells for a lifetime (Weiss, n.d.).More advanced techniques for collecting, or “harvesting,” hematopoietic stem cells are now used in order to treat leukemia, lymphoma, ...
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The pluripotent stem cells also referred as embryonic cells have the ability to differentiate into every cell of the body while the multipotent (adult) stem cells can only differentiate into multiple cells but not all cell lineages in the body. Research on stem cells spans a broad range of scientific and medical fields.
There are three main types of stem cells: embryonic, adult and induced pluripotent stem cells; of which, embryonic stem cells are found in early embryos and can have the potential of developing into any cell in the body. Adult stems are found in populations around the body after birth such as in the bone marrow and can develop into a limited range of cells, while induced pluripotent stem cells are grown in the laboratory and can be modified to be more specialized.
Although, the lines dividing opposing sides are not clear cut, the positions center around two polarized arguments. On one hand, proponents of federal funding for stem cell research cite the great potential of research findings for application to actual treatment.
Interestingly, adult individuals retain some pluripotent cells, from which cells for replacement of damaged tissues can be derived. Thus, fibroblasts, muscles, red blood cells, or nerve cells can stem from a pluripotent stem cell upon initiation of specific physiologic conditions (National Institutes of Health, 2009).
Stem cell research seeks to develop stem cells to regenerate cells for nonfunctional organs and tissues. Research in stem cell has begun long time ago but has gained popularity recently due to increased scrutiny from the public especially religious organizations.
Some researchers regard them as offering the greatest potential for the alleviation of human suffering since the development of antibiotics; scientists have therefore established ways of coaxing these cells in order to develop most of the human cells. Researchers claim that these cells may be used to replace or repair damaged cells, and they possess the potential to drastically change the treatment to many diseases, like bone loss, broken bones, brain damage due to oxygen starvation, severe burns, cancer (some forms), diabetes, Lou Gehrig's disease, heart disease, hepatitis, incomplete bladder control, Huntington's, leukemia, lupus, muscular dystrophy, multiple sclerosis, osteoarthritis, Par
The potential benefits are not proved and refer to the future while the embryos die immediately once the stem cells are taken. This is the valid cause to state that stem cell research is ethically and morally wrong.
Stem cell research is relatively new topic for discussion among the public, the scientists and believers.
Anyone who has seen actor Michael J. Fox testify in front of a congressional hearing on the issue can start to begin to understand the effects of Parkinson's disease in the form of bodily shaking and tremors. It is the hope with the funding of stem cell research, people like Mr.
With every good product comes a controversial side, one such product is stem cell research. Stem cell research holds the potential to be one of the largest medical breakthroughs in recent history. However, despite the many diseases that have been found to be potentially healed by this research, many ethical dilemmas surround the issue of stem cell research.
strate the potential benefits of using stem cells to better the human condition, thus the Senate Labor and Human Resources Committee voted in favor of a bill designed to end President George H.W. Bush’s federal funding ban involving experiments allowing tissue transplantation
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