2,456 results
2,456 results for: mutations
- Health & Medicine
Better Blood: New tool removes agent of brain disease
Scientists have developed a device that filters from blood the mutant proteins that cause the human form of mad cow disease, an advance that may hold promise for increasing the safety of donated blood.
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Not so Silent: Mutation alters protein but not its components
A single swap in the letters of a gene's sequence could modify the protein it encodes, even if it doesn't change which amino acids make up the molecule.
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Feel No Pain, for Real: Mutation appears to underlie rare sensation disorder in a Pakistani family
Scientists have tracked down a genetic mutation that makes some members of an unusual family unable to feel pain.
- Health & Medicine
Cancer Link: Gene regulates progesterone effect on breast cells
The BRCA1 protein regulates the effect of pro-growth progesterone, which could explain why having a mutated BRCA1 gene predisposes a woman to breast cancer.
- Health & Medicine
Kidney Progress: Drug slows cyst growth
The trial drug roscovitine has been shown to reverse polycystic kidney disease in mice.
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Derailing a Disease: Stem cells slow dogs’ muscular dystrophy
Injecting a special type of stem cell into dogs with the canine equivalent of Duchenne muscular dystrophy significantly slowed the disease's progression.
- 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.
- 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
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.
- 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.
- 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.
- 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.
