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Notorious Cancer Gene May Work By Destroying Messenger
A new study suggests how a notorious cancer gene may contribute to tumor growth. The insight emerged from a long-running study of a protein called PMR1, the key player in an unusual mechanism that cells use to quickly stop production of certain important proteins.
Nonsurgical Thoracic Aorta Repair Has Much Less Risk Of Paralysis Than Surgery
According to two recent studies, a nonsurgical treatment using stent-grafts to repair an injured or diseased thoracic aorta offered patients less risk of paraplegia as well as lower morbidity and mortality rates when compared to surgery.
Scientist Develops New Mathematical Model To Study Disease Genetics And Evolution
USC college computational biologist Peter Calabrese has developed a new model to simulate the evolution of so-called recombination hotspots in the genome.
Women Report Sexual Problems A Full Year After Giving Birth; Health Problems Vary By Race
A third of women experience painful sex a year after giving birth and more than half report at least one sex-related health problem after having a baby.
Smokers' Skin Is More Wrinkled, Even In Areas Shielded From Sunlight
A new study from the University of Michigan Health System adds another dimension to the link between cigarette smoking and skin damage. The study suggests that smoking may be associated with a higher degree of aging on areas of skin, such as that of the inside of the upper arm, that are not normally exposed to sunlight.
Gene Controlling Circadian Rhythms Implicated In Bipolar Disorder
Disrupt the gene that regulates the biological clocks in mice and they become manic, exhibiting behaviors similar to humans with bipolar disorder. Scientists from UT Southwestern Medical Center show that the Clock gene, which controls the body's circadian rhythms, may be integrally involved in the development of bipolar disorder. Circadian rhythms include the daily ups-and-downs of waking, eating and other processes such as body temperature, hormone levels, blood pressure and heart activity.
Stem Cell Signaling Mystery Solved
A newly discovered small molecule called IQ-1 plays a key role in preventing embryonic stem cells from differentiating into one or more specific cell types, allowing them to instead continue growing and dividing indefinitely, according to research performed by a team of scientists who have recently joined the stem-cell research efforts at the Keck School of Medicine of the University of Southern California.
Computer Imaging Assists With Facial Reconstructive Surgery
A new calibration technique that involves measuring the distance between the upper ear and chin in photographs could help facial plastic surgeons use computer imaging software to achieve aesthetic harmony in their patients, according to a recent report in the Archives of Facial Plastic Surgery.
Brain Scans Reveal Cause Of Smokers' Cravings
Within the mind of every smoker trying to quit rages a battle between the higher-order functions of the brain wanting to break the habit and the lower-order functions screaming for another cigarette, say researchers at Duke University Medical Center. More often than not, that cigarette gets lit.