2,458 results
2,458 results for: mutations
- Life
One small step for a snail, one giant leap for snailkind
Experiments suggest that gastropods shed their shells in one fell swoop during the evolutionary transition that created slugs.
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- Health & Medicine
Pancreatic cancer years in the making
A decade elapses from the first cancer-related mutation to tumor formation, and several more years pass until the disease spreads to other organs, a new study finds. The work raises the possibility that a usually deadly malignancy can be treated before it’s too late.
- Life
Rare mutations key to brain disorders
Many cases of mental retardation can be explained by genetic variants that arise in affected individuals.
- Life
Genes jump more in one type of autism
A mutation that causes Rett syndrome also increases the activity of retrotransposons in the brain.
- Life
Jigsaw genetics
Fragments of a fetus's genome can be pieced together from the mother's blood to allow prenatal diagnosis of genetic diseases.
- Health & Medicine
A protein’s ebb and flow
Buildup in the brain of a protein linked to Alzheimer's disease may be due to reduced clearance rather than overproduction of the protein.
- Life
Mice missing protein burn more fat
Research on the receptor for the 'hunger hormone' suggests a molecular strategy for revving up the body’s furnace.
- Life
Pneumonia drugs helped evolve a superbug
As told through DNA from historical samples, a deadly bacterium reveals how it developed the ability to evade antibiotics and a vaccine.
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- Chemistry
Molecules/Matter & Energy
Computer processors get even tinier, plus more in this week’s news.
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