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The primary role of adult stem cells in humans is to maintain and repair the tissue in which they are found. Stem cells are very flexible cells, sometimes considered immature, that have not developed to a final specialized cell type like skin, liver, heart, etc. Since they have not yet specialized, stem cells can respond to different signals and needs in the body by becoming any of the various cell types needed, e. In that sense they are a bit like a maintenance crew that keeps repairing and replacing damaged or worn out cells in the body. Microscopic in size, stem cells are big news in medical and science circles because they can be used to replace or even heal damaged tissues and cells in the body.
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4. The Adult Stem Cell
What are Adult Stem Cells? | Adult Stem Cell Treatment
Stem cells have the potential to treat a wide range of diseases. Here, discover why these cells are such a powerful tool for treating disease—and what hurdles experts face before new therapies reach patients. How can stem cells treat disease? What diseases could be treated by stem cell research? What cell therapies are available right now?
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Adult stem cell
Stem cells have tremendous promise to help us understand and treat a range of diseases, injuries and other health-related conditions. Their potential is evident in the use of blood stem cells to treat diseases of the blood, a therapy that has saved the lives of thousands of children with leukemia; and can be seen in the use of stem cells for tissue grafts to treat diseases or injury to the bone, skin and surface of the eye. Important clinical trials involving stem cells are underway for many other conditions and researchers continue to explore new avenues using stem cells in medicine. The information on this page is intended to help you understand both the potential and the limitations of stem cells at this point in time, and to help you spot some of the misinformation that is widely circulated by clinics offering unproven treatments.
Currently, blood stem cells are the only type of adult stem cell used regularly for treatment; they have been used since the late s in the procedure now commonly known as bone marrow transplant. Transplants of neural stem cells have been tried in small numbers of patients with brain disorders such as Parkinson disease, and the FDA recently approved a clinical trial of neural stem cells for spinal cord injury. Preliminary research in animals has found that bone marrow stromal cells, injected into a damaged heart, can have beneficial effects.