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Essay / Research Paper Abstract
This 5 page paper looks at stem cells, what makes them unique, their characteristics, such as non specialisation and proliferation and the differences between stem cells from adults and stem cells from embryos or foetuses. The paper also includes consideration of the current research that is taking place and the potential uses of stem cells in the future. The paper ends with a brief consideration of the ethical issues. The bibliography cites 3 sources.
Page Count:
5 pages (~225 words per page)
File: TS14_TEstemcell.rtf
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Unformatted sample text from the term paper:
aborted foetuses. The discovery of stem cells took place more than twenty years ago, and may be seen as a major breakthrough in science (NIH, 2004). The cells were first
discovered in mice following the donation of the mice following research by others into infertility (NIH, 2004). However, it was not
until 1998 that scientists were able to isolate these cells in humans. Once isolated the cells can be grown in a laboratory. There are two main characteristics which separate stem
cells from any other type of cells (NIH, 2004). They are unspecialised cells which have the ability to renew themselves over long periods of time, they are also
able to become any number of cells under specific condition, hence their presence in embryos and foetuses, they develop into the cells which are required for the development of the
organism (NIH, 2004). Stems cells may develop into insulin producing blood cells, heart muscle cells or any of a range of other cells. This development cam also be induced
(NIH, 2004). In an embryo of between three and five days of age, which is referred to as a blastocyst, there will be a group of about thirty cells
(NIH, 2004). This is the inner mass and these cells will then develop the many highly specialised cells required by the developing embryo to become an adult organism (NIH,
2004). Stem cells provide the building blocks for other cells to be developed which can then become self replicating. The presence of stem cells is also found in adult
humans, where they are able to help create replacement cells for areas such as bone marrow, the brain, skin and muscle which make up for the usual wear and tear
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