Immune Cell (IMAGE) Cold Spring Harbor Laboratory Caption Neutrophils, our most common white blood cell, can deploy toxin-studded webs made of DNA to trap and kill invaders. New research shows this weapon can be hijacked by cancer cells and put to the task of cutting through tissue to help cancers metastasize to new organs. Credit Stephen Hearn, CSHL/Egelbad Lab Usage Restrictions please give credit License Licensed content 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.