Perelman School of Medicine

PHILADELPHIA – On average, one hundred billion cells in the human body divide over the course of a day. Most of the time the body gets it right but sometimes, problems in cell replication can lead to abnormalities in chromosomes resulting in many types of disorders, from cancer to Down Syndrome.

PHILADELPHIA –- A collaboration led by a periodontal researcher from the University of Pennsylvania School of Dental Medicine has found a possible link between the success of gum-disease treatment and the likelihood of giving birth prematurely, according to a study published in the journal BJOG: An Inter

PHILADELPHIA - Many types of tumors grow because of over-expression or a mutation of a protein called the epidermal growth factor receptor (EGFR), normally regulated by a hormone-like peptide called the epidermal growth factor (EGF).

PHILADELPHIA -- J. Larry Jameson, M.D., Ph.D., has been named the next executive vice president of the University of Pennsylvania for the Health System and dean of Penn’s School of Medicine, effective July 1, 2011.

Women who have inherited mutations in the BRCA1 or BRCA2 (BRCA1/2) genes have substantially elevated risks of developing breast and ovarian cancer.  A study that will appear in the September 1 issue of The Journal of the American Medical Association (JAMA) reports that women with these inherited mutations who have had a prophylactic mastectomy or salpingo-oophorectomy (removal of

PHILADELPHIA –   Patients with asthma who are exposed to violence in their community are at an increased risk for an asthma-related hospitalization and emergency room visits for asthma or any cause, according to new research from the University of Pennsylvania School of Medicine.

Male infertility is a common medical problem, affecting millions of men in the United States annually. Its causes include an inability to make productive sperm.

Despite the fact that an estimated 25 million patients per year in the U.S. undergo surgeries using general anesthesia, scientists have only been able to hypothesize exactly how anesthetics interact with the central nervous system. They previously thought that the processes of “going under” and waking up from anesthesia affected the brain in the same way.

By comparing two species of ants, Shelley Berger, PhD, the Daniel S.

PHILADELPHIA –- A White House report analyzing the impact of the American Recovery and Reinvestment Act on innovation, science and technology has drawn praise from United for Medical Research.