1. Stem Cell Topic: Findings and Recommendations
types. As a result, many cells of medical interest
cannot currently be obtained from adult-derived stem cells. It is also less feasible to develop
large-scale cultures from adult stem cells. However, it is important to note that, at this time,
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2. Stem Cell Topic: Human Adult Stem Cells
the time, are referred to as adult stem cells. The most well-known example of this are the
hematopoietic stem cells of blood. More recently, mesenchymal stem cells (MSC)
required for the maintenance of bone, muscle, and other tissues have
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3. Stem Cell Topic: Funding
into a narrower range of cell types. As a result, many cells of medical interest
cannot currently be obtained from adult-derived stem cells. It is also less feasible to develop
large-scale cultures from adult stem cells.
Nevertheless, because
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4. Stem Cell Topic: Moral Issues Surrounding the Sources of Stem Cells
Surrounding the Sources of Stem Cells
At present, there are three possible sources of stem cells: adult stem
cells derived from pediatric or adult donors; embryo germ cell stem cells (EG
cells ) derived from aborted fetuses; and embryonic
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5. Stem Cell Topic: Current Status of Human Stem Cell Research
specific type of multipotent
stem cell called a mesenchymal stem cell has been shown to produce bone,
muscle, cartilage, fat, and other connective tissues.
There are many potential
sources for stem cells. Embryonic stem cells are derived from
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6. General Term: Adult Stem Cell
Adult Stem Cell Any stem cell taken from mature tissue, regardless of the
age of the donor.
Related Topics:
Genetics
Contributed
by: AAAS/DoSER
Search
for Adult Stem Cell
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7. Stem Cell Topic: Stem Cells: What Are They?
the bone marrow, the neural stem cells produced a variety of
blood cell types including myeloid and lymphoid cells as well as early
hematopoietic cells. This shows two things. First, the neural stem cells appear
to have a wider differentiation
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8. Stem Cell Topic: Sources of Stem Cells and Guidelines for Use
embryo to participate in stem cell research to the greatest degree
possible, stem cells (and stem cell lines) should be identified with respect
to their provenance. Patients and
researchers should be able to avoid participating in
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9. Stem Cell Topic: Spiritual and Religious Contexts
issues raised by stem cell research. The most medically promising stem
cells, with a capacity to differentiate into any of the human bodys cell
types, are derived either from the inner cell mass of preimplantation embryos
(ES
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10. Stem Cell Topic: The Moral Status of Human Stem Cells
of every human cell.
The potential of a stem cell to become a human being seems to be much
more like that of a somatic cell that could be cloned than like an embryo. The
natural development of the individual cells of the embryonic
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