Induction of Filopodia (video) University of Pennsylvania School of Medicine Loading video... Caption Aberrant filopodia are induced by co-expression of fluorescently labeled Cdc42 and non-fluorescent IRSp53. Fluorescence shows the cell shape, because Cdc42 localizes to the plasma membrane. Credit Tatyana Svitkina, Ph.D., and Changsong Yang, Ph.D., Department of Biology, University of Pennsylvania Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.