stem cells

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NTRODUCTION.

Stem cell research is a fascinating subject exploring how a single cell can create an organism or how healthy cells can replace damaged ones. Stem cell research is also being investigated on possibilities of treating disease, such as cancer, or replacing organs which is refereed to as regenerative or reparative medicine(a treatment in which stem cells are induced to differentiate into the specific cell type required to repair damaged or depleted adult cell populations or tissues). As many of these things happened, there are many questions being raised such as, whether the things stem cells can do should be done such as cloning. There are also many questions being asked on what stem cells are and what they can do. All these questions will be answered throughout the paper.

WHAT STEM CELLS ARE.

Stems cells are very different from other types of cells mainly because of two characteristics that they have. The first characteristic that tells them apart is, they are unspecialized cells that can renew themselves for long periods through cell division. The second important characteristic is, under certain conditions the cell may become induced and be able to do certain special functions such as the beating cells of the heart muscle or the insulin producing cells of the pancreas.




The animal and plant cell are the two kinds of stem cells mainly used. In the beginning, scientists used mice in their research of stem cells. As scientists became more advanced with stem cells they figured out how to isolate stem cells from human embryos and grow them in a laboratory. This process is called human embryonic stem cells.

Stem cells will differ from other cells in the body from there three unique properties that they have. The properties are, they are capable of dividing and renewing themselves for long periods of time,they are unspecilalized, and they can give rise to specialized cells. This is all some of the more important information dealing with stem cells.

USES FOR STEM CELLS AND THE OBSTACLES THAT MUST BE OVER COME.

It is said by many scientists that stem cells may be used to treat many diseases such as Parkinsons,cancer,heart disease and more. Also as scientists learn more about stem cells they may be able to use the cells not just for cell based therapies but also for screening, new drugs and toxins, and understanding birth defects. All of these things that stem cells can do are very important but there are many hurdles to the use and uses of stem cells that scientists do not fully understand yet. There are also many obstacles besides these, such as many public opinions that stems cells should not be used. These are all important obstacles that must be overcome for stem cells to succeed.

CONCLUSION.

Stem cells are a very important advance in the field of cell research. They hold many key opportunities on uses to help cure diseases and help people. There are also issues that need to be worked out before we can truly use them.



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