Medicine & Health

Clubfoot, one of the most common birth defects, affects 1 in 1,000 children.Children can be sensitive to any physical difference they have from other children. But the patients that Christina Gurnett studies are not just worried about having big ears, eyeglasses or braces. Her patients have more emotionally devastating musculoskeletal disorders, including hands with more or less than five fingers, clubfoot and scoliosis. Since the cause of these disorders and others like them is unknown, Gurnett is examining the possible genetic causes of these common disorders, which run in families.

One in eight babies is born prematurely.Nearly one in every eight U.S. babies is born too early — three weeks or more before the estimated due date. Such premature births are the leading cause of newborn deaths and put babies at risk for chronic lung disease and other serious health problems. While some causes of prematurity are known, more than half of women who deliver early have no known risks. In an innovative approach, WUSM researchers Louis Muglia and Justin Fay are searching human DNA for clues to help explain why some women deliver early.

The magnified nanoparticles shown here are actually about 1,000 times smaller than the width of a human hair.Chemistry meets biology in this innovative research program. Using synthetic particles invisible to the naked eye, researchers hope to better diagnose and treat childhood brain cancer, the third most common cancer of children. The particles are called nanostructures or nanoparticles because they are measured in nanometers, an almost unimaginably small unit, a billion times shorter than a yardstick.

Courtesy of the National Cancer InstituteBreast cancer cells stained brown using an antibody that recognizes malignant cellsClinical studies are proving that the genetic profile of a tumor can greatly influence its response to anticancer treatments. Matthew J. Ellis, M.D., Ph.D., at Washington University School of Medicine in St. Louis, is conducting research that aims to use the genetic profile of breast tumors to guide breast cancer therapy and ultimately to find new drugs for treating the disease.

Smoking while pregnant combined with genetic factors greatly increases the risk of severe ADHD.Past research has suggested that both genes and prenatal insults — such as exposure to alcohol and nicotine — can increase the risk of attention-deficit/hyperactivity disorder (ADHD). But the identified increases in risk have been very modest. Now, a team of Washington University scientists has found that when those factors are studied together, risk of a severe type of ADHD greatly increases.

New HIV therapies have contributed to a decrease in AIDS deaths, but physicians suspected the more potent medications led to symptoms characteristic of metabolic syndrome. However, now researchers at Washington University School of Medicine in St. Louis have found that the rate of metabolic syndrome in HIV-infected patients is virtually identical to that in uninfected people. Furthermore, the type or duration of HIV therapy did not affect the rate of metabolic syndrome.

An angiogram, or X-ray image of blood vesselsScientists have uncovered a new biomedical technique that could increase blood flow to alleviate problems associated with cardiovascular disease, diabetes and many surgical procedures. They found that blocking the action of a blood-clot-associated protein turns up the effect of a biologically produced gas that can open blood vessels and increase blood flow.

David G. Mutch, the Ira C. and Judith Gall Professor of Obstetrics and Gynecology at Washington University School of Medicine in St. Louis, has been named President-Elect II of the Society of Gynecologic Oncologists. The society is a national medical specialty organization of physicians who are trained in the comprehensive management of women with malignancies of the reproductive tract.

Children born with a foot deformity that causes them to have a rigid flatfoot once faced extensive surgery to fully correct the problem. A treatment developed by a pediatric orthopaedic surgeon at the School of Medicine has shown early success in correcting congenital vertical talus with minimal surgery in most cases.

Eating fish may help reduce the risk for dementia.Nutritionists have long endorsed fish as part of a heart-healthy diet, and now some studies suggest that omega-3 fatty acids found in the oil of certain fish may also benefit the brain by lowering the risk of Alzheimer’s disease. In order to test whether docosahexaenoic acid (DHA), an omega-3 fatty acid, can impact the progression of Alzheimer’s disease, researchers at the School of Medicine and Saint Louis University School of Medicine will evaluate DHA in a clinical trial sponsored by the National Institute on Aging (NIA).