Search Results for: mutations

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2,413 results
  1. Life

    Mitochondrial DNA replacement successful in Rhesus monkeys

    New procedure may halt some serious inherited diseases, a study suggests.

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  2. Life

    Model for powerful flu fighters from existing drugs

    Computer screening mines inventory of existing drugs to find possible new drugs that the H1N1 and H5N1 flu viruses just wouldn’t be able to resist.

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  3. Life

    2009 Science News of the Year: Genes & Cells

    Cancer-fighting roles Scientists have discovered a new role in cancer protection for an already well-known tumor suppressor protein. The protein, called p53, protects cells from becoming cancerous by sensing stress and either shutting down cell division or triggering cell death. Researchers at the University of Tokyo and colleagues have discovered that p53 also plays a […]

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  4. Health & Medicine

    Origins of the swine flu virus

    Researchers use evolutionary history to trace the early days of the pandemic.

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  5. Of Swine and Men

    Scientists study H1N1’s past to predict what  the virus has in store.

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  6. Health & Medicine

    Possible genetic flag for brain cancer

    Mutations in IDH genes show up in many brain cancers, but the genes’ role remains unclear.

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  7. Genetics

    Dog gene heeds call of the wild

    Domesticated dogs passed a gene for dark fur color to their wild cousins.

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  8. Health & Medicine

    For a lucky few, ‘dioxins’ might be heart healthy

    Dioxins and their kin are notorious poisons. They work by turning on what many biologists had long assumed was a vestigial receptor with no natural beneficial role. But it now appears that in a small proportion of people, this receptor may confer heart benefits.

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  9. Life

    Skin cells transformed directly into neurons

    Researchers making neurons bypass the need to revert cells to an embryonic state.

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  10. Life

    Misread epigenetic signals play role in leukemia

    A genetic mistake causes misinterpretation of epigenetic marks, leading to cancer.

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  11. Health & Medicine

    World Health Organization raises swine flu alert level

    The World Health Organization announced April 29 that is has raised the alert level for swine flu from Phase 4 to Phase 5, which suggests that a pandemic is imminent.

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  12. Humans

    A gene critical for speech

    Scientists argue a newly discovered stretch of DNA essential for larynx development may have allowed the evolution of language.

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