Biological timekeeper studies reveal new temperature regulator and track clock protein across a day
Dartmouth Medical School geneticists have made new inroads into understanding the regulatory circuitry of the biological clock that synchronizes the ebb and flow of daily activities, according to two studies published May 15.
Genetic marker may predict early onset of prostate cancer
Fox Chase Cancer Center researchers have identified a genetic marker that is associated with an earlier onset of prostate cancer in Caucasian men who have a family history of prostate cancer. If the data are confirmed, the marker may help clinicians personalize prostate cancer screening. more
Progress toward artificial tissue? Soft and tough like biological tissue: DNA-wrapped carbon nanotubes
For modern implants and the growth of artificial tissue and organs, it is important to generate materials with characteristics that closely emulate nature. However, the tissue in our bodies has a combination of traits that are very hard to recreate in synthetic materials: It is both soft and very tough. more
The future of personalized cancer treatment: An entirely new direction for RNAi delivery
In technology that promises to one day allow drug delivery to be tailored to an individual patient and a particular cancer tumor, researchers at the University of California, San Diego School of Medicine, have developed an efficient system for delivering siRNA into primary cells. The work will be published in the May 17 in the advance on-line edition of Nature Biotechnology. more
Two studies examine medical consequences of police use of force during restraint
Dr. Jared Strote at the University of Washington Medical Center led a group that examined the medical records of nearly 900 patients subdued by the Seattle Police Department with a Taser over a six-year period. Less than one percent required hospital admission for an injury related to the restraint incident. No deaths occurred, even when patients exhibited signs of excited delirium.
Automobile restraints do not increase chance of fetal complications following accidents
It is well established that seat belts save lives. However, many pregnant women do not wear seat belts, for fear that the belt itself could injure the baby in a car crash. But is this actually the case? Does the seat belt put the baby at risk? more
Study tests the effect of ending ambulance diversion
When a hospital’s emergency department is overcrowded with seriously sick and injured patients, it may “go on diversion,” re-routing ambulances to other emergency departments. But the benefits of “diversion” are largely unproven. Often those emergency departments are just as crowded, and the greater distance to that other hospital can worsen the condition of some patients. more
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