2,473 results
2,473 results for: mutations
- Health & Medicine
Risk Factor: Genetic defect hikes breast cancer threat
A mutation already linked to several types of cancer doubles the risk of breast cancer in a woman and multiplies men's slight risk of the disease even more dramatically.
- Health & Medicine
Deadly Pickup: Enzyme permits plague germ to ride in fleas
Acquisition of a gene that enables the plague bacterium to live inside blood-sucking fleas may have set the stage for the Black Death.
- Health & Medicine
Surgical Option: Removal of ovaries can prevent cancers in women at risk
In women who harbor mutations in one of the BRCA genes, ovary removal reduces the risk of developing ovarian, peritoneal, and breast cancers.
- Health & Medicine
Smart Drugs: Leukemia treatments nearing prime time
Three new drugs stop acute myeloid leukemia in mice, suggesting the treatments will work in people with this deadly blood cancer.
- Health & Medicine
Sex, smell and appetite
A study of sexual dysfunction in mutated mice may help explain the connection between smell and appetite.
- Health & Medicine
Melanoma gene quickly reeled in
Biologists have discovered a gene that may contribute to many cases of deadly skin cancer.
- Plants
Sunflower genes don’t fit pattern
Comparison between crop and wild sunflower genes suggests that the plant followed an easy route to domestication.
- Health & Medicine
Lost and found
Researchers have shown that a drug may shepherd a mutated protein—gone astray in people with cystic fibrosis—into its proper place.
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Cancer Flip-Flop: Gene acts in both proliferation and control of growth
Scientists have identified what might be a new class of cancer-controlling genes that alternates between halting and promoting cancer.
- Health & Medicine
An Exploitable Mutation: Defect might make some lung cancers treatable
Nonsmokers who develop lung cancer are more likely than their smoking counterparts to have a mutation in the gene encoding epidermal growth factor receptor.
- Health & Medicine
Motor Ways: Gene mutation impairs muscle coordination
Scientists have identified a gene mutation that appears to cause the motor impairment that occurs in a rare disorder called Joubert syndrome.
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Roma Record: Paths of the Gypsy population’s diasporas
Tracking genetic mutations has given researchers a tentative picture of the migration patterns of the Roma, or Gypsies, over the last millennium.
