2,477 results
2,477 results for: mutations
- Health & Medicine
Anti-inflammatory prevents pancreatic cancer in mice
An anti-inflammatory drug of the COX-2 inhibitor family blocks precancerous lesions in mice prone to pancreatic cancer.
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Protein Lineages: Randomness was crucial to ancient genetic changes
Reconstruction of an ancient protein shows how seemingly unimportant mutations paved the way for its evolution into a molecule with an essential modern role.
- Health & Medicine
When antioxidants go bad
Overproduction of antioxidants, usually thought to be beneficial, is the cause of an inherited heart disease.
- Humans
BPA induces sterility in roundworms
Bisphenol A does a real number on the genes responsible for successful reproduction in a 1-millimeter-long soil-dwelling roundworm. And that suggests BPA might pose similar risks to people because geneticists are finding that this tiny critter can be a remarkably useful “lab rat” — predicting impacts in mammals, including us.
- Earth
Stature’s heightened risk of cancer
My daughter is always shopping for 4-inch heels or other elevating footwear to make her appear taller. But a new study suggests that diminutive stature has at least one major perk: a lower risk of cancer.
- Animals
Lost to history: The “churk”
More than a half-century ago, researchers at the Beltsville Agricultural Research Center outside Washington, D.C., engaged in some creative barnyard breeding. Their goal was the development of fatherless turkeys — virgin hens that would reproduce via parthenogenesis. Along the way, and ostensibly quite by accident, an interim stage of this work resulted in a rooster-fathered hybrid that the scientists termed a churk.
- Science & Society
The gene patenting decision from a plaintiff’s point of view
Plaintiffs in Myriad case win an overwhelming victory, but some details remain a bit fuzzy.
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