2,475 results
2,475 results for: mutations
- Health & Medicine
Early Arrival: HIV came from Haiti to United States
New analysis of 25-year-old blood samples indicates that HIV reached the United States in about 1969, 12 years before AIDS was first formally described.
- Humans
Burdens of knowledge
Greater understanding of the role of genetics in human diseases presents scientists with ethical dilemmas.
- Health & Medicine
Nongene DNA boosts AIDS risk
People with a newly discovered genetic variation are more vulnerable to HIV infection.
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Not Like Clockwork: High-fat diet disrupts daily routines of mice
Fatty diets disrupt the sleep and metabolic cycles of mice by changing the activity of genes.
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Flawed Stem Cells Yield Fragile X Clues: Researchers study genetic disorder via discarded embryos
The most common inherited cause of mental retardation arises when a mutated gene is shut down early in embryonic development.
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Hold the Embryos: Genes turn skin into stem cells
Scientists have found a way to convert a person's skin cells directly into stem cells without creating and destroying embryos.
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New clue to Down syndrome, leukemia link
One-fifth of people with Down syndrome who also have acute lymphocytic leukemia harbor a mutation in their JAK2 gene.
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Limiting Damage: Fragile X symptoms modulated in mice
Reducing activity of a gene in mice alleviates many of the symptoms of fragile X syndrome, a genetic defect that causes mental retardation in people.
- Health & Medicine
Down syndrome’s anti-tumor effect
The chromosomal abnormality that causes Down syndrome might protect against some solid tumors.
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Seeing Again: Blind fish parents have fry that see
Cross two strains of blind cavefish that have lived in the dark for a million years, and some of their offspring will be able to see.
- Health & Medicine
HIV variant might help vaccine search
Scientists have discovered an unusual HIV protein in a Kenyan woman that makes the virus vulnerable to antibodies.
- Health & Medicine
Warning Sign: Genetic fragments tag cancer severity
High levels of the microRNA miR-21 lead to poor prognoses for colon cancer patients.
