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Stem Cells
There are basically three unique properties of the stem cells which are really very important. They have the capability of dividing and renewing for a long period of times. They are unspecialized and the third one is that they can give rise to the formation of the specialized cells.
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Curing Diseases
Stem cells are immature cells found in the bone marrow, blood stream, and in umbilical cords. These immature stem cells later develop into blood cells. Since stem cells can be damaged in certain cancer treatments, CTCA hospitals have developed techniques to add healthy stem cells back into your body after damaging treatments take place.
Stem cells can be used in bone marrow transplantation and peripheral blood stem cell transplantation. Both of these procedures are used to restore stem cells that have been destroyed by high dose chemotherapy. These treatments using stem cells may also be used for patients who have had radiation treatment for their cancer.
Theses are the charactersitics stem cells need:
- Survive in the recipient after transplant.
- Integrate into the surrounding tissue after transplant.
- Function appropriately for the duration of the recipient's life
The primary roles of adult stem cells in a living organism are to maintain and repair the tissue in which they are found. Embryonic stem cells (ES cells) are pluripotent stem cells derived from the inner cell mass of the blastocyst, an early-stage embryo.[1] Human embryos reach the blastocyst stage 14–15 days post fertilization, at which time they consist of 500–1000 cells.
What are the two main kinds of stem cells used by researchers? The two main kinds of stem cells used are embryonic and adult stem cells.
Stem cells are unspecialized: One of the fundamental properties of a stem cell is that it does not have any specific tissue structures that allow it to perform specialized jobs. However, unspecialized stem cells can give rise to specialized cells, including heart muscle cells, blood cells, or nerve cells.
Stem Cells
Stem cells are capable of dividing and renewing themselves for long periods: Unlike muscle cells, blood cells, or nerve cells–which do not normally replicate themselves–stem cells may replicate many times. When cells replicate themselves many times over it is called proliferation
Stem cells can give rise to specialized cells: Scientists are just beginning to understand the signals inside and outside cells that trigger stem cell differentiation. The internal signals are controlled by a cell’s genes.