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Science News Archive July 2009 - Page 16


Page 16 of 23

Common infant tumor has a Nox(4)ious requirement

Researchers have identified protein Nox4 as crucial for hemangioma growth and found a potent inhibitor fulvene-5 to substantially inhibit its growth. This discovery suggests targeting Nox4 using fulvene derivatives may attenuate hemangioma growth.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateJul 13, 2009

Medical use for waste television screens

Scientists at the University of York have developed a technique to recover polyvinyl-alcohol from discarded TV screens, transforming it into a substance suitable for use in tissue scaffolds that aid body regeneration. The recovered material can also be used in pills and dressings designed to deliver drugs to specific parts of the body.

SourceUniversity of York·JournalGreen Chemistry·DateJul 13, 2009

Novel drug discovery tool could identify promising new therapies for Parkinson's disease

Researchers have developed a novel drug discovery tool that uses baker's yeast to rapidly search for drugs to treat Parkinson's disease. The tool identifies cyclic peptides with protective effects on yeast cells and neurons in an animal model of the disease, offering new hope for treatment breakthroughs.

Building memories with actin

Researchers have discovered that actin reorganization in two stages is controlled by different pathways, making it easy to encode new memories but hard to hold onto them. The Rho-ROCK pathway initiates cytoskeletal changes, while the Rac-PAK pathway solidifies them, leading to heightened synapse sensitivity and memory persistence.

SourceRockefeller University Press·JournalJournal of Cell Biology·DateJul 13, 2009

Study suggests preseason shoulder strength may determine injury severity for baseball pitchers

A study suggests that preseason shoulder strength can predict injury severity in baseball pitchers, with weak points in prone internal rotation, external rotation, and supraspinatus strength linked to increased risk of injury. The findings highlight the importance of targeted strength training programs to prevent serious injuries.

Diets bad for the teeth are also bad for the body

Research suggests that diets high in fermentable carbohydrates, such as sugar and starch, can lead to dental decay and contribute to chronic systemic diseases. A diet low in these carbohydrates may improve cardiovascular markers and reduce body fat. Dental problems can serve as an early warning sign for dietary imbalances.

SourceUniversity of Washington·JournalJournal of Dental Research·DateJul 9, 2009

Toward an explanation for Crohn's disease?

A study has found that a mutation in the NOD2 gene may predispose individuals to Crohn's disease by impairing the immune system's ability to recognize and fight off mycobacteria. The research, published in the Journal of Experimental Medicine, highlights the potential for new therapeutic approaches to combat the disease.

SourceMcGill University Health Centre·JournalJournal of Experimental Medicine·DateJul 9, 2009

JNCI news brief: Breast cancer hormone receptor status and risk of a second primary tumor

A study published in the Journal of the National Cancer Institute found women with hormone receptor-negative first tumors have twice the risk of developing a second breast cancer compared to those with HR-positive tumors. The research also identified a five-fold increase in risk of a second hormone-receptor negative breast cancer.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateJul 9, 2009