Search Results for: mutations

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2,429 results

2,429 results for: mutations

  1. Health & Medicine

    Drug Racing: Gene tied to HIV-drug response

    A genetic mutation more common in blacks than in whites increases the odds that people taking a common HIV medicine will suffer side effects that lead them to halt treatment.

    By Ben Harder
  2. Humans

    Genes on Display

    DNA becomes part of the artist's palette.

    By John Travis

  3. Sound Off

    By using bits of RNA to eliminate the effects of selected genes, scientists are developing new ways to study gene function and treat diseases.

    By Christen Brownlee

  4. Two-handed protein may protect DNA

    An unusually shaped protein may help a bacterium thrive in tough times.

    By John Travis
  5. Archaeology

    Rat DNA points to Pacific migrations

    An analysis of mitochondrial DNA from Pacific rats supports a theory that ancestors of today's Polynesians migrated from Southeast Asia to a string of South Pacific islands in at least two separate dispersals.

    By Bruce Bower

  6. Cancer Flip-Flop: Gene acts in both proliferation and control of growth

    Scientists have identified what might be a new class of cancer-controlling genes that alternates between halting and promoting cancer.

    By Christen Brownlee

  7. Teams implicate new gene in prostate cancer

    A newly discovered gene may, in rare cases, cause prostate cancer or, more commonly, raise a man's risk of developing the disease.

    By John Travis
  8. Anthropology

    In the Neandertal Mind

    Neandertals possessed much the same mental capacity as ancient people did, but a genetically inspired memory boost toward the end of the Stone Age may have allowed Homo sapiens to prosper while Neandertals died out.

    By Bruce Bower

  9. Human genes take evolutionary turns

    Researchers have identified a set of genes that has evolved an extensive pattern of alterations unique to people.

    By Bruce Bower
  10. Health & Medicine

    Bug bites suggest new stroke drug

    Changing a human enzyme so that it resembles one from blood-sucking insects may lead to a new treatment for strokes.

    By John Travis
  11. Health & Medicine

    Figuring Out Fibroids

    Researchers now have a better understanding of which women develop fibroids and what causes them.

    By Ben Harder
  12. Health & Medicine

    Assault on Autism

    A shift in scientific thinking about what causes autism is prompting a closer look at potential environmental factors.

    By Diana Parsell