There is a greater chance that they could contain DNA problems.Ĭlinical trials that use stem cell therapies are currently being done in the U.S. These cells are also found in small amounts in the body. These cells are hard to grow in a lab, so researchers are looking into ways to improve the process. Scientists also face challenges when using adult pluripotent stem cells. And some people find it morally troubling to use stem cells that come from embryos. Another challenge is that the embryonic stem cells available today are likely to be rejected by the body. This will help them understand how to control the type of cells created from them. Scientists must first learn more about how embryonic stem cells develop. Stem cells need much more study before their use can be expanded. New medicines could also be tested on cells made from pluripotent stem cells. Other treatments could target illnesses such as type 1 diabetes, spinal cord injuries, Alzheimer disease, and rheumatoid arthritis. They can do this by growing healthy heart muscle cells in a lab and transplanting them into damaged hearts. For example, one day healthcare providers may be able to treat people with chronic heart disease. Researchers think that stem cells will be used to help create new tissue. Stem cells may help your health in the future in many ways and through many new treatments. This is a blood disorder that causes the body's bone marrow to fail. They may also be used to treat people with conditions such as Fanconi anemia. These help people with cancer make new blood cells after their own hematopoietic stem cells have been killed by radiation therapy and chemotherapy. These cells are used in procedures such as bone marrow transplants. Stem cells are immature cells that are able to make other blood cells that mature and function as needed. Every type of blood cell in the bone marrow starts as a stem cell. These are the blood cell-forming adult stem cells found in bone marrow. The only stem cells now used to treat disease are hematopoietic stem cells. Induced pluripotent stem cells don't seem to be different from embryonic stem cells, but scientists have not yet found one that can develop every kind of cell and tissue. Scientists first reported that human stem cells could be changed in this way in 2006. These are adult stem cells that have been changed in a lab to be more like embryonic stem cells. The second type is induced pluripotent stem cells. For example, a stem cell that comes from the liver will only make more liver cells. They are more likely to generate only certain types of cells. There are only small numbers of stem cells in these tissues. There are 2 types of adult stem cells. One type comes from fully developed tissues such as the brain, skin, and bone marrow. This means that they can turn into more than one type of cell.Īdult stem cells. These embryonic stem cells are pluripotent. These result from an in vitro fertilization procedure. The embryonic stem cells used in research today come from unused embryos. They are embryonic stem cells and adult stem cells.Įmbryonic stem cells. Stem cells are divided into 2 main forms. Researchers believe that stem cell-based therapies may one day be used to treat serious illnesses such as paralysis and Alzheimer disease. In some cases, they can also fix damaged tissues. This can range from muscle cells to brain cells. Stem cells are special human cells that are able to develop into many different cell types.
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