Damon Runyon Researchers

To power directional movement, cells build dynamic sheet-like protrusions at their leading edge. How individual molecules are coordinated to produce these changes in cell morphology is poorly appreciated. Dr. Sim [Connie and Bob Lurie Fellow] uses immune cell migration as a model system to investigate the self-organization of a protein assembly known as the WAVE complex, which facilitates the formation of these protrusions in migratory cells. Her work will harness recent advances in electron microscopy and protein prediction and design to study the mechanism of the WAVE complex. As a critical player in cell migration, the dysregulation of the WAVE complex is associated with tumor cell invasion and metastasis in several cancer types. This aberrant migration enables cancer cells to travel to and infiltrate adjacent tissue sites. Understanding the fundamental mechanisms of cell migration can thus better inform the development of therapeutics that limit the progression of cancer. Dr. Sim received her PhD from the University of California, Berkeley and her BA from Bowdoin College, Brunswick.