IF7 Peptide Targets Tumor Blood Vessels (image) Sanford-Burnham Medical Research Institute Caption Tumor tissue from a mouse just 20 minutes after administration with IF7 peptide. IF7 peptide (green) rapidly homes to tumor blood vessels (red). Credit Michiko Fukuda lab, Sanford-Burnham Medical Research Institute Usage Restrictions Free to use in conjunction with this story, using provided caption and credit. 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.