Totipotent: These stem cells can differentiate into all possible cell types. Researchers categorize stem cells, according to their potential to differentiate into other types of cells.Įmbryonic stem cells are the most potent, as their job is to become every type of cell in the body. However, scientists are making progress with both cell types. Until now, it has been easier to grow large numbers of embryonic stem cells than adult stem cells. This process is known as directed differentiation. They can stimulate the stem cells to specialize in a particular way. Researchers manage and share stem-cell lines for different purposes. Stem cells that are dividing and reproducing in a controlled culture are called a stem-cell line. They then place these cells in a controlled culture where they will divide and reproduce but not specialize further. To grow stem cells, scientists first extract samples from adult tissue or an embryo. However, more research and development is necessary. These cells behave in a similar way to embryonic stem cells, so they could be useful for developing a range of therapies. Scientists create these in a lab, using skin cells and other tissue-specific cells. They may one day play a role in solving a wide range of health problems. Scientists have used MSCs to create new body tissues, such as bone, cartilage, and fat cells. MSCs come from the connective tissue or stroma that surrounds the body’s organs and other tissues. At this stage, stem cells begin to differentiate.Įmbryonic stem cells can differentiate into more cell types than adult stem cells. In early pregnancy, the blastocyst stage continues for about 5 days before the embryo implants in the uterus, or womb. With the right stimulation, the cells can become blood cells, skin cells, and all the other cell types that a body needs. ![]() The term totipotent refer to the fact that they have total potential to develop into any cell in the body. The inner cell mass is where embryonic stem cells are found.
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