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191,281 articles from EurekAlert

The precise role of seminal proteins in sustaining post-mating responses in fruit flies

Successful reproduction is critical to pass genes to the next generation. In sexually reproducing organisms, sperm enter the female with seminal proteins that are vital for fertility. In a new study published on Friday, Dec. 14, 2007 in PLoS Genetics, researchers at Cornell University knocked down the levels of 25 seminal proteins individually in male fruit flies, testing the males' abilities to...

UVA reports surprising findings related to myotonic muscular dystrophy

New research from the University of Virginia Health System shows that, in cases of type 1 myotonic muscular dystrophy, a well known heart protein does several surprising things. The protein, NKX2-5, is a biomarker for heart stem cells. It is also very important for the normal development of the heart. The researchers were surprised to find that mice and individuals with DM1 actually overproduce...

Where vets served affects frequency of ER visits but not hospital stays

Five years post-conflict, individuals who served in the 1990-1991 Persian Gulf War were 25 percent more likely to visit an emergency department than veterans of the same era who were not deployed, but were no more likely to have a hospital stay or an outpatient visit, according to a study in December 2007 issue of American Journal of Public Health.

Z-shaped incision enhances minimally invasive surgery

A novel surgical technique allowing doctors to operate on patients by making a Z-shaped incision inside the stomach could potentially replace certain types of conventional surgery in humans, according to Penn State medical researchers who have successfully demonstrated the procedure in pigs.