D'Youville College 1 article published in JoVE Medicine A Modified In vitro Invasion Assay to Determine the Potential Role of Hormones, Cytokines and/or Growth Factors in Mediating Cancer Cell Invasion Archis Bagati*1, Zethan Koch*2, Diane Bofinger*2, Haneesha Goli2, Laura S. Weiss2, Rosie Dau2, Megha Thomas2, Shoshanna N. Zucker2 1Department of Cell Stress Biology, Roswell Park Cancer Institute, 2 This video article describes a modified in vitro method to examine the role of hormones, cytokines and/or growth factors in driving cancer cell invasion.