2,462 results
2,462 results for: mutations
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Tiny Bubbles
Microscopic vesicles shed by cells may help the AIDS virus, benefit cancer cells, and drive the immune response.
- Health & Medicine
Born to Heal
The controversial strategy of screening embryos to produce donors for siblings raises hopes and presents new ethical dilemmas.
- Health & Medicine
Gene mutation tied to lung cancer
Scientists have identified a gene, dubbed LKB1/STK11, that is often mutated in people with a particularly deadly form of lung cancer.
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The Naked Truth? Lice hint at a recent origin of clothing
A study of genetic differences among human lice hints at the origin of clothing.
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Catch of the day for cancer researchers
Scientists are using glowing tumor cells inside zebrafish to study how cancer spreads.
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Down the Tubes: Amino acid proves key to plant reproduction
An amino acid that human brain cells communicate with also has a role in plant sex.
- Health & Medicine
HIV in breast milk can be drug resistant
HIV-positive women who receive the drug nevirapine during pregnancy often have HIV that is resistant to the drug in their breast milk after they give birth.
- 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.
- Health & Medicine
Silencing the BRCA1 gene spells trouble
Some breast cancer patients without a mutation in the BRCA1 gene nevertheless have an incapacitated gene, silenced by a process called hypermethylation of nearby DNA.
- Anthropology
Monkey Business
They're pugnacious and clever, and they have complex social lives—but do capuchin monkeys actually exhibit cultural behaviors?
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Long live the Y?
Researchers have identified a means by which the Y chromosome may forestall, or at least delay, the gradual degradation that some biologists argue will ultimately delete it from the human genome.
- Health & Medicine
Inflammatory Fat
Immune system cells may underlie much of the disease-provoking injury in obese individuals that has been linked to their excess fat.
