2,467 results
2,467 results for: mutations
- Life
Tests show that deadly flu could spread among people
Experiment shows that new influenza virus transmits through air between ferrets, a common experimental stand-in for humans.
- Health & Medicine
Body & Brain
A genetic cause for small brains, heart links to HIV and calcium, and more in this week’s news.
- Life
Sickle-cell may blunt, not stop, malaria
Once thought to keep parasite out of cells, the trait appears to diminish the severity of infection.
- Health & Medicine
Body & Brain
Heart attacks are worse in the morning, plus who remembers dreams, stem cells in lungs and more in this week’s news.
- Health & Medicine
Clues to autism’s roots from brain study
A new analysis finds differences in genetic activity, especially in genes controlling nerve cell form and function.
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Cancer gene is also important for growth
A certain tumor-suppressing gene appears to also control development in immature animals.
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Evolving genes may not size up brain
Two gene variants previously implicated in the evolution of human brain size apparently don't influence brain volumes in people today.
- Health & Medicine
Next Line of Defense: New drugs take on resistant leukemia
Two experimental drugs stop many cases of chronic myeloid leukemia that are resistant to the drug imatinib (Gleevec).
- Anthropology
Did small hominids have a genetic defect?
Miniature humans whose prehistoric remains were recently unearthed on an Indonesian island may have had a genetic disease known as Laron syndrome.
- Earth
Northern Refuge: White spruce survived last ice age in Alaska
Genetic analyses of white spruce trees at sites across North America suggest that some stands of that species endured the harsh climate of Alaska throughout the last ice age.
- Health & Medicine
Fewer Drugs, Same Outcome: Simpler HIV regimens are effective
In two studies, AIDS clinicians found that standard three-drug regimens fight HIV as well as four-drug treatments do, and that a single drug might maintain a patient's health once the virus is suppressed.
- Health & Medicine
Problem Paternity: Older men seem more apt to have autistic kids
Children born to fathers who are age 40 or older have an increased risk of developing autism.
