2,473 results
2,473 results for: mutations
- Life
Designer T cells emerge as weapons against disease
Decades of attempts to boost the immune system’s ability to fight disease are finally starting to pay off. Reprogrammed T cells serve as new weapons against cancer and autoimmune diseases.
- Humans
Letters from the October 20, 2007, issue of Science News
Well, read Margit L. Bleecker appears to have discovered that those who score highly on reading tests also score highly on tests of memory, attention, and concentration (“How reading may protect the brain,” SN: 8/18/07, p. 110). I don’t find that highly surprising. Ivan MannHoover, Ala. How it happened stance “Alien Pizza, Anyone?” (SN: 8/18/07, […]
- Genetics
Chimp and human lineages may have split twice as long ago as thought
New estimates of chimpanzee mutation rates suggest humans and chimps last shared a common ancestor 13 million years ago.
- Health & Medicine
Ulcer microbe changes quickly to avoid immune attack
During the initial weeks of infection, Helicobacter pylori, the bacterium that causes stomach ulcers, mutates at a high rate, apparently to evade the body’s defenses.
- Plants
Dastardly daisies
This flower isn’t just any old sex cheat. It can be sexually deceptive three ways and in 3-D.
- Genetics
Monkeys born with edited genes
A DNA-snipping technique inspired by bacteria shows therapeutic promise.
- Neuroscience
Diuretic may treat autism, study in rodents suggests
Drug that lowers chloride levels in brain cells staves off symptoms in mice and rats.
- Neuroscience
Gene adds wrinkle to brain development
Mutations in the gene GPR56 results in misshapen folds in the brain tied to intellectual and language disabilities.
- Neuroscience
Girls may require more mutations than boys to develop autism
New results may help explain why more males wind up with autism.
- Neuroscience
Brain chemicals help worms live long and prosper
Serotonin and dopamine accompany long lives in C. elegans worms under caloric restriction.
- Health & Medicine
Diet fix eases Huntington’s symptoms in mice
Supplement improves health of rodents with mutation that causes neurodegeneration like that seen in Huntington’s disease.
- Neuroscience
Ten thousand neurons linked to behaviors in fly
By studying the wiggles of 37,780 fly larvae, scientists link specific neurons to 29 distinct behaviors.
