Surprising Dog Pathways (IMAGE) University of Colorado Anschutz Medical Campus Caption University of Colorado Cancer Center and CSU Flint Animal Cancer Center study shows counterintuitive paths to K9 osteosarcoma -- NOTCH signaling elevated in most cancers, but down in most aggressive cancers. Credit <a target="_blank"href="http://www.flickr.com/photos/71401718@N00/8658587589/in/photolist-ec8wqV">Flickr</a>/ <a target="_blank"href="http://creativecommons.org/licenses/by/2.0/deed.en">Wonderlane cc License</a> Usage Restrictions None 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.