U.S. company claims cloned humans and made stem cells
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A California company said on Thursday it used cloning technology to make five human embryos, with the eventual hope of making matched stem cells for patients.
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A Chinese neurosurgeon arouses controversy for using cells from aborted foetuses to help cure patients affected by spinal and brain damage.
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Research on embryonic stem cells continues to ignite national debate over the beginning of human life. And with the Legislature likely to take up the issue in its next session, many worry that inaccurate information is being perpetuated by stem cell proponents and their counterparts.
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Healthy mice are successfully cloned from skin cells taken from adult mice, US researchers report.
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Human therapeutic cloning has moved a big step closer after US researchers said they had successfully created embyonic stem cells from monkey embryos.
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NEW YORK -- Scientists say they've created embryonic stem cells by stimulating unfertilized eggs, a significant step toward producing transplant tissue that's genetically matched to women.
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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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Harvard University researchers said  on Wednesday they were seeking permission to use cloning  technology to make human stem cells.
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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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A small California company set up by an unnamed investor and a top fertility doctor burst into the stem cell field on Thursday with a report that it is the first lab to clone human embryos and prove it.
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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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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 without the controversial destruction of embryos.
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Senators trying to promote human   stem cell research rebuked a team of corporate scientists on   Wednesday, saying their claims to have produced human embryonic   stem cells without harming the embryo had misrepresented their   work and hurt the cause.
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NEW YORK -- 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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Critics lambast Robert Lanza for claims he and his company made about their stem-cell work. Now he takes his argument to the Senate. In Bodyhack.
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The Securities and Exchange Commission is scrutinizing biotechnology companies as part of a wider effort to ensure that companies don't mislead investors by covering up negative results of clinical trials.
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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.