Genetics
- Neuroscience
Gene that boosts Alzheimer’s risk might protect against it too
Carrying certain genetic versions of apolipoprotein E is a major risk factor for Alzheimer’s disease. A new study looks at the effects of different types of APOE on the major markers of Alzheimer’s in mice and shows that all forms are not equal.
- Genetics
Ancient Siberian bones clarify Native American origins
Some New World ancestors came from western Eurasia, not East Asia.
- Genetics
Sexy male mice have competitive moms
Moms allowed to compete for mates produce sons that make sexy pheromones, live hard and die young. How? Epigenetics.
- Humans
Humans’ music and genes may have evolved together
Music may be a tool scientists can use to trace human migrations.
- Genetics
Dogs’ origins lie in Europe
First domesticated canines did not live in China or Middle East, a study of mitochondrial DNA finds.
- Genetics
Genetic difference in blood clotting may underlie racial health disparity
Finding could help explain difference between blacks and whites in heart attack survival.
- Life
Gene makes old cells act young again
Turning on a gene called Lin28a in old, damaged tissue may help the cells heal quicker.
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- Genetics
People’s genes welcome their microbes
In mice and humans, genetic variants seem to control the bacterial mix on and in bodies.
- Genetics
Genetic variants may keep Siberians warm
People in frigid cold evolved changes in fat metabolism, shivering.
- Genetics
Reprogrammed stem cells may mirror embryonic ones after all
Donor genetics may explain why the two cell types vary.
- Health & Medicine
Gene links smoking, multiple sclerosis
Smokers with genetic variant face tripled risk of MS.
