a stem cell line is a group of stem cells that has the ability to produce one specific type of cell. for example, one stem cell line could have the ability to produce a kidney, while another line could produce a liver.
A cell must meet two basic key criteria in order to be considered a stem cell:
1. Able to differentiate into multiple cell types upon induction.
2. Able to remain in an undifferentiated state over numerous cell divisions when not induced to differentiate.
There are numerous "stem cells", some with more potential than others. An embryonic stem cell is pluripotent by definition because it is able to become any cell in the body (though this is difficult in practice). Other stem cells are more restricted, such as the hematopoietic stem cell, which can only form the cell types found in blood and the immune system.
A new form of cell called an induced pluripotent stem cell (iPS), can be generated by turning on at least 2 specific genes in skin or other non-stem cells. This is commonly done through use of a viral vector such as a retrovirus although it is now possible to avoid the use of virus. Preliminary studies indicate that iPS cells have identical capabilities as embryonic stem cells which may negate the need to derive embryonic stem cells from embryos. Still, everything we know about pluripotent stem cells comes from studies of embryonic stem cells and thus they are an integral part of the quest for therapeutic uses for stem cells.
Stem cells are a class of undifferentiated cells that are able to differentiate into specialized cell types. Commonly, stem cells come from two main sources:
Both types are generally characterized by their potency, or potential to differentiate into different cell types (such as skin, muscle, bone, etc.).
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Stem cells are cells that can produce any type of offspring cell.
The stem cell "culture" is the medium in which the stem cell is able to divide and grow.
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Stem Cell
Stem cell therapy can help your body repair itself by using stem cells which can become any healthy type of cell. The cons of stem cell therapy are that many people think that it is unethical and it is difficult to harvest stem cells.
Stem cells are considered as undifferentiated cells. They will divide and divide forming more stem cells. The two main stem cell types are embryonic stem cells and adult stem cells. Only the embryonic stem cells can become any type of tissue. Embryonic stem cells have the potential to become any type of cell in the body. There is news as of 2015 that perhaps blindness can be cured using these embryonic stem cells.
The stem cell "culture" is the medium in which the stem cell is able to divide and grow.
Hematopoietic stem cells
A stem cell can become any other type of specialized cell.
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Stem Cell
stem cell therapy of arthritis
A stem cell differentiates by making protein. The stem cell slowly changes itself into a specific cell type when it makes protein.
Technically, a stem cell is a type of cell that can be transformed into any type of cell, so any type of stem cell can be transformed into a cell that makes fat and/or bone...
Multipotent stem cells
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