2,457 results
2,457 results for: mutations
-
Aiding and Abetting: A longevity gene also promotes cancer
A gene that normally helps cells overcome stress can also promote cancer, perhaps offering a new target for cancer treatment.
- Health & Medicine
Shields Down: A cancer-fighting gene declines in old age
Decline of an important anti-cancer gene could contribute to increased cancer risk among the elderly.
-
Bacteria thrive by freeloading
Mutant bacteria thrive by freeloading off their hard-working kin, but these slackers revert to working normally if they become too numerous.
-
Emotional memory
The action of a stress hormone could be why emotionally charged events form especially vivid and durable memories.
- Health & Medicine
Regulating Muscle Decline: Small molecules linked to degenerative diseases
Snippets of RNA that regulate gene activity play a role in muscle-wasting diseases such as muscular dystrophy.
- Health & Medicine
Beware the Starlings: Common birds can carry avian influenza
Common songbirds such as starlings may be able to carry and spread avian influenza.
- 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.
-
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.
-
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.
-
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.
