2,475 results
2,475 results for: mutations
- Humans
Plague bug not so fierce after all
DNA analysis shows bacterium was fairly ordinary but thrived in pestilent conditions of medieval Europe.
- Life
No shortage of dangerous DNA
Woman who lived until age 115 didn’t lack genes that predispose her to disease, but she may have had some that protected her.
- Life
Live long, pass it on
A tendency for a lengthy life can be inherited for several generations, even when offspring no longer have the genes for it.
-
19649
This article contained a very disturbing comment: “Neurologist Annette Langer-Gould of Stanford University says that even the 1-in-1,000 risk of PML [leukemia] ‘seems to outweigh the benefits’ that natalizumab would provide many patients.” Having a genetic mutation for which there is no treatment or cure and having (and having had) friends with MS, I am […]
- Health & Medicine
Vital flaw
Liver cells that inherit the wrong number of chromosomes often do just fine, and may even have some advantages.
- Life
To researchers’ surprise, one Pseudomonas infection is much like the next
Consistent genetic changes in the lung bacteria that commonly plague cystic fibrosis patients are a welcome discovery because they may point to new treatment strategies.
- 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.
-
- 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.
