Stem Cell Lines Reported Contaminated
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The human embryonic stem cells available for research are contaminated with nonhuman molecules from the culture medium used to grow the cells, researchers report.
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PHILADELPHIA _ 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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Embryonic stem cells are contaminated with an animal molecule, meaning they could not be used to treat humans, say researchers.
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Researchers are using human embryonic stem cells to determine the toxicity of potential pharmaceuticals.
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A scientific panel says a 2002 study that suggested adult stem cells might be as useful as embryonic ones was flawed and its conclusions may be wrong, a finding that raises questions about the promise of a less controversial source for stem cells.
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Scores of Shanghai parents are to sue a  biotech firm suspected of concealing the fact that their  children's umbilical cord blood, believed to be a likely cure  for future blood diseases, was tainted, state media said on  Thursday.
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Dried apples preserved with a cancer-causing chemical.
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People on anti-HIV drug Viracept are being warned batches of the drug may have been infected with cancer-causing chemicals.
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Science & environment: Consequences of contamination between GM crops and non-GM varietiesare set to worsen, scientists  warn
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This year&#39;s unexpected shortage of flu vaccine was a result of vaccine doses becoming contaminated during production. On October 5th, Chiron Corporation, a California-based biotechnology
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Executives of laboratory services firm MDS Inc. admitted yesterday they still haven&#39;t determined how a batch of blood samples used in testing a generic drug last year became contaminated -- a finding which
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In August, scientists at a Chiron Corp. plant in Liverpool, England, said they found a reddish-brown bacteria contaminating some doses of flu vaccine.
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[Health India]: Washington, Nov 18 : A new study conducted at The Hospital for Sick Children (Sick Kids) and the University of Toronto has confirmed that cancer stem cells are the real culprits behind childhood and adult brain tumours as they fuel and
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A major maker of influenza vaccines for the United States market said it has found that some of its new supplies are contaminated, delaying release of some 50 million doses, the New York Times reported Friday.
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HIV drug Viracept has been recalled because "human error" led to a higher than normal level of a chemical which can cause cancer.  (c) 2007 Liverpool Echo. Provided by ProQuest Information and Learning.
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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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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.