Sperm gene sparks fertility hope
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Scientists believe they have discovered a gene which plays a critical role in the development of sperm.
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A Belgian woman has given birth to the  first baby born after an ovarian tissue transplant, a medical  breakthrough that brings hope to young cancer patients whose  fertility may be damaged by treatment.
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Doctors may be allowed to screen human embryos for gene that increase risk of heart attacks
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Cells critical to sperm development have been grown in the lab and used to father baby mice, US researchers say. They said the development could lead to easier ways to genetically manipulate animals, and said
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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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British scientists have created human embryos containing DNA from two women and one man, a procedure that could potentially prevent conditions including epilepsy, diabetes and heart failure.
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For American parents looking for donor sperm to produce blond, blue-eyed Scandinavian babies, the search just got a little trickier.
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Scientists have created a human embryo with three parents in a breakthrough they hope could lead to effective treatments for a range of serious hereditary diseases.
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British scientists say they have created human embryos containing DNA from two women and a man in a procedure that researchers hope might be used one day to produce embryos free of inherited diseases.
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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 in Britain claimed a first Tuesday, saying they have created a human embryo using DNA from one man and two women, which they say could help provide treatment for genetic diseases.
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Fear of rejection and concerns about the  reaction of the child prevent many parents from telling their  children they have been conceived with donated sperm,  scientists said on Wednesday.
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Scientists believe they have made an IVF breakthrough by creating a human embryo with three separate parents.
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Scientists have discovered a new  cancer-causing gene that they believe could be a molecular  master switch for the disease.
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A new way to manipulate human embryonic stem cells offers hope of a treatment for muscular dystrophies.
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NEW YORK  - A small pilot study shows that gene therapy might help men with erectile dysfunction.
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For American parents looking for donor sperm to produce blond, blue-eyed Scandinavian babies, the search just got a little trickier. A ban on sperm from all European countries with exposure to mad cow disease means U.S. sperm banks are running low.