June 2006 Radio Service

Listed below are this month’s featured news stories. • Low-calorie diet may slow aging (week of June 7) • One hump or two? (week of June 14) • Second chance transplants (week of June 21) • Erotic images get brain’s attention (week of June 28)

Growth factor triggers growth of new blood vessels in the heart

The newest concept for treating coronary artery disease is to induce hearts to grow their own new blood vessels to bypass damaged tissue or clogged arteries. Unfortunately, clinical trials of two important blood-vessel growth factors have not produced stellar results. Now researchers at the School of Medicine have investigated a third signaling molecule that could overcome problems associated with the previous two.

Gut microbes’ partnership helps body extract energy from food, store it as fat

Researchers have found that two common organisms collude and collaborate to increase the amount of calories harvested from a class of carbohydrates found in food sweeteners. In the study, conducted in previously germ-free mice, colonization with two prominent human gut microbes led to fatter mice. Scientists at the School of Medicine called the results an illustration of how understanding the menagerie of microorganisms that live in our guts can provide new insights into health.
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