Stem cells gotten from unfertilized eggs
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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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Scientists have succeeded in growing outside the body the special stem cells that direct the remarkably prolific process of sperm production.
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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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Korean researchers, using stem cells isolated from umbilical cord blood, succeeded in reversing the paralysis of the lower limbs caused by spinal cord injury, of a 37-year-old female patient.
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Using a recently developed technique for turning skin cells into stem cells, scientists have cured mice of sickle cell anemia -- the first direct proof that the easily obtained cells can reverse an inherited, potentially fatal disease.
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Researchers at the University of Pennsylvania School of Veterinary Medicine have identified the growth factors essential to allow spermatogonial stem cells -- the continually self-renewing cells that produce sperm -- to exist in culture indefinitely.
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Researchers find a receptor they believe keeps eggs in arrested development until ready for fertilisation.
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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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LONDON -- The British government has approved a plan to allow women to donate eggs for stem cell and cloning research and to be compensated for it -- an action that scientists hope will improve the supply of eggs.
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The British government has approved a plan to allow women to donate eggs for stem cell and cloning research and to be compensated for it &#151; an action that scientists hope will improve the supply of eggs.
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The first test-tube baby created from an egg matured in the laboratory and then frozen has been born in Canada, in a breakthrough offering hope to women with cancer and others unsuited to normal IVF treatment.
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If a new method works, scientists could derive embryonic stem cells -- without destroying embryos -- from more than 3,000 cells discarded annually at fertility clinics. In Bodyhack.
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NEW YORK  - Deep-freezing embryos has been  routine for some time, to give infertile couples reproduction  choices in various situations, but freezing unfertilized eggs  has proven difficult.
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WASHINGTON -- 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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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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Scientists say they have created a stem cell line from a human embryo that had stopped developing naturally, and so was considered dead. Using such embryos might ease ethical concerns about creating such cells, they suggested.
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People with cystic fibrosis could be treated with genetically tweaked versions of their own stem cells. Researchers say that for the first time they have shown that human bone marrow-derived adult stem cells