2,477 results
2,477 results for: mutations
- 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.
- Animals
Crickets on Mute: Hush falls as killer fly stalks singers
Within just 5 years, singing has nearly died out among a population of cricket on a Hawaiian island.
- Health & Medicine
Malaria Reversal: Drug regains potency in African nation
An inexpensive drug that had lost much of its punch against malaria over the past 20 years is showing signs of regaining its strength in the African nation of Malawi.
