2,467 results
2,467 results for: mutations
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Disabled genes dull sense of smell
Mutated genes may explain why humans have a poor sense of smell.
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Bdelloids: No sex for over 40 million years
Researchers find the strongest evidence yet for creatures that have evolved asexually for millions of years.
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Popularity of germ fighter raises concern
The growing use of the antiseptic triclosan in products ranging from mouthwash to cutting boards and hunting clothes may create bacteria resistant to antibiotic drugs.
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Debate over Alzheimer’s enzyme flares up
Scientists continue to tussle over the identity of an enzyme implicated in Alzheimer's disease.
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Brain wiring depends on multifaceted gene
A single gene may produce 38,000 unique proteins that guide the growth of the developing brain.
- Health & Medicine
Silencing a gene slows breast-tumor fighter
The protein encoded by the HOXA5 gene plays a key role in fighting breast cancer, helping to switch on cancer-suppressing genes.
- Health & Medicine
Gene stifled in some lung, breast cancers
The silencing of a gene called RASSF1A appears to increase the risk of cancer, studies of lung and breast tumors show.
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Anticancer Protein Locks onto DNA
The protein encoded by the normal form of BRCA1 attaches to DNA directly, seeks out unusual DNA structures, and joins multiple DNA strands together—all activities suggesting a direct role in DNA repair.
- Health & Medicine
New drug takes on intestinal cancer
Imatinib mesylate, already approved by the FDA for treating people with a form of leukemia, blocks the activity of certain enzymes that cause gastrointestinal stromal cells to replicate uncontrollably.
- 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
Heart disease linked to clotting gene
African Americans with a mutation in a blood-clotting gene have a sixfold increase in the risk of heart disease, but this is not the case for white Americans with the same mutation.
- Health & Medicine
Genetically altered cells ease hemophilia
A gene therapy using skin cells that are genetically modified to make clotting proteins, multiplied in a lab, and reinjected into a person eases some bleeding in patients with severe hemophilia.
