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Thursday, 10 January 2008 |
Embryonic stem cells have been at the forefront of the news for the past few years due to their properties of having the ability to transform themselves into any other tissue type when harvested and grown in a certain environment.
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Thursday, 10 January 2008 |
Recent development in stem cell research has taken great strides in the past months, in the formation of potential treatments for muscular-neuro diseases that afflict millions of patients around the world. While techniques to transplant blood in diseased immune systems have previously been developed with aggressive treatments of radiotherapy, which wiped out a faulty immune system before a bone marrow transplant can proceed, such may no longer be the case. While such experiments have only been performed on mice to date, the benefits of great potential in humans in the treatment of rheumatoid arthritis, multiple sclerosis and other neuromuscular diseases as well as blood-borne diseases that are caused by genetic defects is on the rise.
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Thursday, 10 January 2008 |
The advantages to stem cell therapy are almost limitless. In relation to stem cell therapies that are non-embryonic in nature, such as those found in umbilical cords and cord blood that have been donated after successful full-term birth, acceptance and the growing popularity of stem cell research will provide ethically sensitive and morally acceptable to the general public. Such stem cell use is certified to be free of infectious disease in accordance with the American Association of Blood Bank Safety Standards. Stem cells harvested from such stem cell banks are tested for HIV I and II, as well as hepatitis B and C.
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Thursday, 10 January 2008 |
Most people don't realize that there are many different types of stem cells. Embryonic stem cells have been in the news most often because of the ongoing debate over moral and ethical testing and research when using such cells. However, adult tissue stem cells have provoked a surge of research in beneficial therapies for people suffering from a wide range of illnesses and injuries. For example, retinal stem cells are being studied to help repair damage caused by retinitis pigmentosa and macular degeneration. Liver bone marrow stem cells can help repair liver damage. Pancreatic stem cells can help regenerate beta, pancreatic insulin producing cells, and skeletal muscle stem cells may help to heal and proliferate new cell growth and response to both injury and exercise.
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Thursday, 10 January 2008 |
Many people hear the word stem cells and automatically, and wrongly, assume that they come from embryonic tissue. However, with the recent discoveries in stem cell research, stem cells can also be obtained from adult tissues and organs as well as umbilical cord blood. All stem cells proliferate in cultures and may differentiate, or change, into many different types of cells under various "growing" conditions. This is what makes stem cells so valuable in research for treatments of diseases that have plagued mankind since the beginning of time. Differentiation of stem cells can and does occur spontaneously or else through a specific and directed differentiation process.
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Thursday, 10 January 2008 |
Did you know that stem cells need to be sorted to determine which type of cell it will ultimately develop into? Scientists at the University of California at Irvine have devised a way to sort stem cells that will be more cost effective, not to mention easier, than methods that have been used to date. Such sorting techniques will enable future development of therapies for people with conditions that range from Parkinson's to Alzheimer's to be completed in a more efficient manner.
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