Studies find new ways to make embryonic stem cells
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Researchers have taken ordinary skin cells from a mouse and reprogrammed them to look and act like embryonic stem cells in a long-promised experiment that provides an alternative way to get the valued and controversial cells.
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Stem cells that normally make sperm can be taught to make other tissues as well, perhaps offering men a medical repair kit, U.S. researchers said on Wednesday.
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A fundamental mechanism has been discovered that allows embryonic stem cells to divide indefinitely while avoiding the duplication of genetically damaged cells that can lead to cancer.
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A third team of researchers has found a way to convert an ordinary skin cell into valued embryonic-like stem cells, with the potential to grow batches of cells that can be directed to form any kind of tissue.
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A procedure that encourages an egg to begin embryo development without being fertilized could suggest a new way to produce stem cells, at least for certain patients.
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Three teams of scientists said yesterday they had coaxed ordinary mouse skin cells to become what are effectively embryonic stem cells without creating or destroying embryos in the process -- an advance that, if it works with human cells, could revolutionize stem cell research and quench one of t...
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In a leap forward for stem cell research, three independent teams of scientists reported Wednesday that they have produced the equivalent of embryonic stem cells in mice using skin cells without the controversial destruction of embryos.
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Researchers came a step closer to finding a safe way to use stem cells in clinical treatment Thursday when a team of Japanese scientists announced they found a way to induce stem cells without triggering tumors.
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Scientists have developed an easy-to-use technique for reprogramming a skin cell of a mouse back to the embryonic state, which could have implications for regenerative medicine in humans.
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The prospect of using human embryonic stem cells to treat disease appears a small step closer as the result of two new experiments with the cells, which are mired in political controversy because they are derived from human embryos.
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Human therapeutic cloning has moved a step closer after U.S. researchers said they had successfully created embryonic stem cells from monkey embryos.
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Embryonic stem cells, proto-cells that become the different cells in a baby, have a safety mechanism to prevent passing on damaged DNA, US scientists report.
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Stem cells taken from human embryos  were coaxed into becoming motor neurons in an experiment that  might one day help scientists repair damaged nervous systems,  researchers reported Sunday.
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University of Pennsylvania researchers have figured out how to produce a continuous supply of sperm stem cells from mice, a technique that could one day be used to save endangered species or treat infertility in men.
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Stem cells have been used to save mice embryos from a lethal heart defect.
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In a bid to sidestep the ethical debate over the use of human embryos in medical research, scientists have developed a way to derive viable stem cell lines without harming the embryo.
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New methods to reprogram adult cells could create novel models of disease.