2,444 results
2,444 results for: mutations
- Health & Medicine
Genetic flaw found in painful gut disease
Scientists have discovered a genetic mutation that occurs in people with Crohn's disease, a digestive disorder that attacks the intestines.
- Health & Medicine
Nobel prize: Physiology or medicine
The 2001 Nobel Prize in Physiology or Medicine goes to three researchers who pioneered work in cell division.
- Ecosystems
Cryptic Invasion: Native reeds harbor aggressive alien
A mild-mannered reed native to the United States is getting blamed for the mayhem caused by an evil twin.
- Health & Medicine
Gene therapy cures blindness in dogs
Gene therapy to replace a defective RPE65 gene succeeds in bringing sight to three blind dogs, suggesting such therapy might reverse Leber congenital amauosis, a rare condition in which children are blind from birth.
- Health & Medicine
Cancer drugs may thwart Huntington’s
Drugs developed to fight cancer could also be effective against Huntington's disease and several related neurodegenerative conditions.
- Health & Medicine
Attacking Alzheimer’s
Some researchers now suggest that the so-called amyloid hypothesis is overstated and that other entities, including tau tangles, are as important as beta-amyloid in Alzheimer's disease.
- Anthropology
DNA Diaspora: Humanity may share tangled genetic roots
A controversial new genetic analysis concludes that Homo sapiens evolved by expanding out of Africa in multiple waves beginning at least 600,000 years ago and then interbreeding, rather than totally replacing close relatives such as the Neandertals.
- Health & Medicine
Leukemia overpowers drug in two ways
Researchers discover why the anticancer drug Gleevec, also called STI-571, helps many patients who have chronic myelogenous leukemia but not those who have entered the crisis stage of the disease.
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Biological Dark Matter
The discovery that some genes encode RNA strands instead of proteins has surprised biologists.
- Health & Medicine
Acacia-tree extract fights cancer in mice
Compounds called avicins extracted from Acacia victoriae, an Australian desert tree, inhibit inflammation and cancer in test-tube and mouse studies.
- Health & Medicine
Color array reveals breast cancer types
A suite of genes lights up when researchers probe for cancer.
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