Dr. Zackular's research is focused on understanding how interactions between the host, gut microbiota, and pathogenic microbes impact human health and disease. His recent efforts center on understanding how the important nosocomial pathogen, Clostridium difficile, interacts with resident gut microbiota during infection and how interspecies cross-talk impacts growth, behavior, and virulence of this pathogen.
Dr. Kelsen’sresearch focus is on the genetic, immunologic, and microbiomic causes of very early onset inflammatory bowel disease. Through a multidisciplinary team approach, Dr. Kelsen and her colleagues perform genetic sequencing to identify causative genetic variants in children with VEO-IBD, study the function of these variants, and use this information to improve the clinical outcomes for these children.
Dr. Tasian and his research team use an epidemiologic framework, including randomized trials and multi-institutional observational studies, to examine the etiology of kidney stone disease and the comparative effectiveness of surgical interventions. He also employs machine learning of complex data to improve diagnosis, risk stratification, and prediction of treatment response for children and adults with benign urologic disease.
Dr. Worthen's research program focuses on the mechanisms of acute inflammation in the lung. For more than 30 years he has worked to develop concepts, tools, and approaches to understand how neutrophils are mobilized from the bone marrow, retained within pulmonary capillaries, and migrate into the lung parenchyma and airspaces.
Mary Ellen Vajravelu, MD, MSHP, is a pediatric endocrinologist in the Division of Endocrinology and Diabetes at Children’s Hospital of Philadelphia. She treats all pediatric endocrine conditions, but she has special expertise in prediabetes and type 2 diabetes in children and adolescents.