Katherine L. Nathanson, MD
Dr. Katherine Nathanson received her BS in Biology with Honors from Haverford College and her MD from the University of Pennsylvania School of Medicine. She then trained in Internal Medicine at the Beth Israel Hospital, Boston and did a fellowship in Genetics at the Children's Hospital of Philadelphia and the Hospital of the University of Pennsylvania. She is doubly boarded in Internal Medicine and Genetics. She completed her postdoctoral laboratory training with Dr. Barbara Weber in the University of Pennsylvania School of Medicine, focusing on breast cancer genetics. Dr. Nathanson has had a long-standing interest in the genetics of breast cancer and her studies in breast cancer have focused on characterizing BRCA1 and BRCA2 mutations in different patient populations; identifying genetic modifiers of penetrance in BRCA1 and BRCA2 mutation carriers; examining both candidate modifiers of penetrance; and using linkage based methods to identify novel modifiers of penetrance. Dr. Nathanson's current efforts continue these studies and have expanded to include characterization of breast cancer on a genomic level to identify both somatic and germline genetic changes important in breast cancer.