2,444 results
2,444 results for: mutations
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Clearing Up Blurry Vision: Scientists gaze toward causes of myopia
Scientists are beginning to unravel the genetic mechanism that causes nearsightedness.
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Sunny Solution: Lotion speeds DNA repair, protects mice from skin cancer
Snippets of DNA that activate a cell's DNA repair process may protect mice from skin cancer caused by ultraviolet radiation.
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Bubble Trouble: Mad cow proteins may hitch a ride between cells
Prions, the proteins behind mad cow disease, may travel between cells in bubbles called exosomes.
- Ecosystems
One-Celled Socialites
A wave of research on the social lives of bacteria offers insights into the evolution of cooperation and may lead to medical breakthroughs that neutralize virulent bacterial strains.
- Anthropology
Y Trail of the First Americans: DNA data point to late New World entry
Scientists identified a gene variant on the Y chromosome that allowed them to estimate that people first reached the Americas no earlier than about 18,000 years ago.
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First Plant Genome Thrills Biologists
The unveiling of the genetic blueprint of the tiny thale cress ushers in a new era in plant biology.
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Cleft-lip mutations may hinder virus
Having identified the mutated gene responsible for a syndrome involving cleft lip or palate, a research team finds that the recessive mutation also may confer an antiviral advantage to people who carry one copy of this gene.
- Health & Medicine
Zealous Adherence: Erratic HIV therapy hasn’t fueled resistance
Among people infected with HIV, those who don't consistently take their antiretroviral drugs as prescribed are no more likely to develop drug-resistant HIV than are patients who adhere to their treatment schedule.
- Health & Medicine
Gene mutation for color blindness found
Scientists have identified the gene that is mutated in people who have color blindness on the Pacific island of Pingelap, perhaps paving the way for genetic screening.
- Health & Medicine
Bad Break: Homocysteine may weaken bones
Elderly people with elevated concentrations of the amino acid homocysteine in their blood are more likely to break bones than are people with low amounts.
- Health & Medicine
Cord Blood to the Rescue: Infusions help babies with Hurler’s syndrome
Umbilical cord blood transplants boost overall health and survival in patients with the rare hereditary condition called Hurler's syndrome.
- Health & Medicine
MRI detects missed breast cancers
Magnetic resonance imaging detects breast cancer better than does mammography and might be preferable for certain women at high risk.
