School of Medicine

“I smell a rat!” Researchers have found that the sense of smelling in mice is affected by a biological clock devoted entirely to olfaction — smelling stuff, like sleeping and waking, is on a daily cycle.Biologists at Washington University in St. Louis have discovered a large biological clock in the smelling center of mice brains and have revealed that the sense of smell for mice is stronger at night, peaking in evening hours and waning during day light hours. A team led by Erik Herzog, Ph.D., Washington University associate professor of Biology in Arts & Sciences, discovered the clock in the olfactory bulb, the brain center that aids the mouse in detecting odors. More…

More than a decade of searching for factors that make the common parasite Toxoplasma gondii dangerous to humans has pinned 90 percent of the blame on just one of the parasite’s approximately 6,000 genes.

Scientists have identified the first biochemical marker linked to sleep loss, an enzyme in saliva known as amylase, which increases in activity when sleep deprivation is prolonged. Researchers hope to make amylase the first of a panel of biomarkers that will aid diagnosis and treatment of sleep disorders and may one day help assess the risk of falling asleep at the wheel of a car or in other dangerous contexts.

Peanut butter is energy rich food, and it doesn’t spoil. That’s exactly why WUSM pediatrician Mark Manary chose it to nourish hungry children in Malawi. Manary’s nonprofit organization, Project Peanut Butter, was approved by the World Health Organization in 2005, but he continues to search for better ways to feed a starving nation.

The Asthma and Allergic Diseases Cooperative Research Center will fund research focused on how the immune system contributes to asthma.

Patricia Flynn in the Department of Psychiatry has been named Nurse of the Year by the Missouri Nurses Association’s Third District

New School of Medicine research shows that physicians can’t assume that women with rare, benign breast conditions are cancer-free.

The School of Medicine researchers have been named to the 2006 Scientific American 50.

School of Medicine researchers found that a non-steroidal anti-inflammatory drug administered at typically nontoxic doses significantly increased liver damage in mice with a mutant human gene.

Photo by Robert BostonMarc J. Bernstein, M.D. (left), instructor in clinical medicine, receives the Stanley Lang Lecturer of the Year award from Wale Adeniran, president of the School of Medicine Class of 2009.