Search Results for: mutations
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2,461 results for: mutations
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Health & MedicineStudies shed light on Ebola’s M.O.
New findings reveal a key step in how the deadly virus infects cells — and identify compounds that may thwart it.
By Nathan Seppa -
Life2011 medicine Nobel goes to immunology researchers
The prize in physiology or medicine recognizes scientists for their work on the body's innate and adaptive defenses against invading pathogens.
By Nathan Seppa -
HumansPlague bug not so fierce after all
DNA analysis shows bacterium was fairly ordinary but thrived in pestilent conditions of medieval Europe.
By Nick Bascom -
LifeNo 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.
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LifeLive 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.
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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 […]
By Science News -
Health & MedicineVital flaw
Liver cells that inherit the wrong number of chromosomes often do just fine, and may even have some advantages.
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LifeTo 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.
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LifeOne 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 & MedicinePancreatic 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.
By Nathan Seppa -
LifeRare mutations key to brain disorders
Many cases of mental retardation can be explained by genetic variants that arise in affected individuals.