Cells that make sperm make stem cells, too: study
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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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Scientists in California say they have produced embryos that are clones of two men, a potential step toward developing scientifically valuable stem cells.
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Scientists in Australia have developed a sperm-sorting machine which may help infertile men to become fathers.
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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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Sperm could help explain how diseases like cancer and HIV spread through the body, a study  suggests.
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Scientists develop a method of routinely growing stem cells in conditions similar to the human body.
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Scientists turn embryonic stem cells into retinal cells for the first time. The groundbreaking work could be tested to treat human blindness in two years if all goes well. By Kristen Philipkoski.
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Scientists have discovered a new type of  embryonic stem cell in mice and rats that should speed up  research into regenerative medicine and help in the hunt for  cures to a range of diseases.
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San Diego scientists have identified a protein in embryonic stem cells that helps weed out mutations as the cells proliferate. Its action may protect a developing embryo from DNA damage that could lead to cancer later in life.
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By Marie McCullough, The Philadelphia Inquirer  Feb. 19--When the subject is stem cell research, the term embryo is not only ethically charged, but increasingly hard to define.   Now, University of Pennsylvania researchers have stretched the definition even further.
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Scientists working at a British laboratory have achieved one of the most controversial breakthroughs ever made in the field of stem cell science by taking cells from dead embryos and turning them into living tissue.
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Researchers say they have transformed embryonic stem cells into heart cells that could someday replace the electronic pacemakers now implanted to keep hearts beating normally.
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Scientists discover what could be cardiac master cells capable of becoming different tissues in the heart.
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Mouse embryos created through a "virgin birth" process called parthenogenesis show that egg cells can be a source of valued embryonic stem cells, researchers said on Thursday.
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Sperm are some of the most extraordinary cells of the body, a triumph of efficient packaging, sleek design and superspecialization.
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Embryonic stem cells, valued by researchers for their ability to become any kind of tissue that a body might need, also produce druglike compounds that can help ailing organs repair themselves, scientists are reporting today.
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Men could one day use a contraceptive which uses the body&#39;s immune system to prevent conception, say researchers. Scientists, from the University of North Carolina, immunised male monkeys with a protein found in the testes which made them infertile.