2,442 results
2,442 results for: mutations
- Health & Medicine
Origins of the swine flu virus
Researchers use evolutionary history to trace the early days of the pandemic.
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Of Swine and Men
Scientists study H1N1’s past to predict what the virus has in store.
- Health & Medicine
Possible genetic flag for brain cancer
Mutations in IDH genes show up in many brain cancers, but the genes’ role remains unclear.
- Genetics
Dog gene heeds call of the wild
Domesticated dogs passed a gene for dark fur color to their wild cousins.
- Health & Medicine
For a lucky few, ‘dioxins’ might be heart healthy
Dioxins and their kin are notorious poisons. They work by turning on what many biologists had long assumed was a vestigial receptor with no natural beneficial role. But it now appears that in a small proportion of people, this receptor may confer heart benefits.
- Life
Skin cells transformed directly into neurons
Researchers making neurons bypass the need to revert cells to an embryonic state.
- Life
Misread epigenetic signals play role in leukemia
A genetic mistake causes misinterpretation of epigenetic marks, leading to cancer.
- Health & Medicine
World Health Organization raises swine flu alert level
The World Health Organization announced April 29 that is has raised the alert level for swine flu from Phase 4 to Phase 5, which suggests that a pandemic is imminent.
- Humans
A gene critical for speech
Scientists argue a newly discovered stretch of DNA essential for larynx development may have allowed the evolution of language.
- Life
Mitochondria behind life span extension
Study in flies suggests low-protein diet works through power-producing organelles.
- Life
Bone regulators moonlight in the brain as fever inducers
Study in mice suggests proteins could be source of post-menopausal hot flashes.
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Serotonin: What the gut feeds the bones
Chemical messenger plays a surprising role in determining the strength of the skeleton.
