Proceedings of the National Academy of Sciences (PNAS) (journal) Archive — Page 7 of 7

January 18, 2013

Seeing light receptor’s interactions

Understanding how the main receptor for light interacts with other signaling molecules may inform new pharmaceutical development.

Illustration of a green, curved, flagellated bacterium on a white background, labeled H. pylori.
October 23, 2012

Stomach bug alters tumor suppressor

The stomach bug Helicobacter pylori increases forms of a protein that promote tumor development, perhaps explaining how it elevates risk for gastric cancer.

Wooden snap mousetrap with a metal spring mechanism on a white background.
October 18, 2012

Setting traps to probe gene function

A new method for creating genetic mutations that can be activated at certain times or in specific tissues will enable studies to probe gene function.

Blue glowing stylized brain against a black background.
July 3, 2012

Receptor’s role in nutrition brain circuitry

New findings point to brain circuitry that communicates about the body’s nutritional status and regulates how nutrients are mobilized.

April 27, 2012

Dengue antibodies give vaccine leads

New information may help speed development of a vaccine or treatment for dengue fever.

Two gray DNA double-helix models, one fragmented, with red molecular components scattered between them on a white background.
March 2, 2012

‘Detangler’ binds, bends and cuts DNA

New details on the DNA-cutting activity of topoisomerase II, a target of anti-cancer drugs, could lead to better chemotherapeutic agents.