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Scientists discover new, readily available source of stem cells
01-07-2007 · EurekAlert!Scientists have discovered a new source of stems cells and have used them to create muscle, bone, fat, blood vessel, nerve and liver cells in the laboratory. The first report showing the isolation of broad potential stem cells from the amniotic fluid that surrounds developing embryos was published today in Nature Biotechnology.
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Similar news on "Scientists discover new, readily available source of stem cells":
- Stem cells found in adult hair follicles may provide alternative to embryonic stem cells
12-11-2006 · EurekAlert!
A team from the Medical College of Wisconsin in Milwaukee has applied for a patent on their work to isolate, grow and identify a new and readily-available type of adult stem cell that is found in the bulge of hair follicles, and appears to have a potential for diversification similar to that of embryonic stem cells.
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- Human embryonic stem cells derived from preimplantation genetically diagnosed embryos
11-14-2007 · EurekAlert!
A human stem cell line derived from embryos that were identified by preimplantation genetic diagnosis to carry the mutation for fragile X syndrome has provided an unprecedented view of early events associated with this disease. In addition to giving scientists fresh insight into fragile X, results from this unique model system have emphasized the value of this new source of embryonic stem cells and may have a significant impact on the way that genetic diseases are studied in the future.
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- Scientists discover stage at which an embryonic cell is fated to become a stem cell
01-10-2007 · EurekAlert!
Cambridge scientists have discovered the stage at which some of the cells of a fertilized mammalian egg are fated to develop into stem cells and why this occurs. The findings of the study, which overturn the long-held belief that cells are the same until the fourth cleavage (division) of the embryo, are reported in today's edition of Nature.
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- Scientists prove that disputed Korean stem cell line comes from an unfertilized egg and not cloning
08-02-2007 · EurekAlert!
Can a genetic signature identify the origin of a human stem cell line? Scientists report that a widely available method for comprehensive genetic analysis can help distinguish the type of human embryo that stem cells come from.
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- Mice cloned from skin cells
02-12-2007 · EurekAlert!
Healthy and viable mice that survive until adulthood have, for the first time, been cloned from adult stem cells. The scientists used keratinocyte stem cells, which represent a new model system for cloning. Keratinocytes come from the skin, making them a particularly attractive stem cell source because of their ready accessibility. One day, they could be used to tailor therapies, as well as to better understand and treat diseases.
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- Scientists discover novel way to remove iron from ferritin
11-02-2007 · EurekAlert!
A new study led by Children's Hospital Oakland Research Institute senior scientist, Elizabeth Theil, PhD, is the first to suggest that a small protein or heptapeptide could be used to accelerate the removal of iron from ferritin. The results of this study may help scientists develop new medications that dramatically improve the removal of excess iron in patients diagnosed with blood diseases such as B-Thalassemia (Cooley's anemia) or sickle cell disease.
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- Brain stem cells limited for replacement therapies
11-30-2007 · Massachusetts Institute of Technology (MIT)
MIT scientists report that adult stem cells produced in the brain are preprogrammed to make only certain kinds of connections--making it impossible for a neural stem cell originating in the brain to be transplanted to other regions.
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- When smell cells fail they call in stem cell reserves
04-29-2007 · EurekAlert!
Hopkins researchers have identified a backup supply of stem cells that can repair the most severe damage to the nerves responsible for our sense of smell. These reservists normally lie around and do nothing, but when neighboring cells die, the scientists say, the stem cells jump into action. A report on the discovery will appear online next week in Nature Neuroscience.
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- Study identifies 5 genetic themes key to keeping stem cells in a primitive, flexible state
06-19-2007 · EurekAlert!
A team of Canadian scientists has identified 1,155 genes under the control of a gene called Oct4 considered to be the master regulator of the stem cell state. The study will be published in the June 20 edition of the online, open-access journal PLoS ONE.
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- Human embryonic stem cell lines created that avoid immune rejection
12-20-2007 · EurekAlert!
In a groundbreaking experiment published in Cloning & Stem Cells, scientists from International Stem Cell Corp. derived four unique embryonic stem cell lines that open the door for the creation of therapeutic cells that will not provoke an immune reaction in large segments of the population. The stem cell lines are "HLA-homozygous," meaning that they have a simple genetic profile in the critical areas of the DNA that code for immune rejection.
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