Cancer research (IMAGE) Virginia Tech Caption For many patients with a deadly type of brain cancer called glioblastoma, chemotherapy resistance is a big problem. But now, Virginia Tech researchers led by Zhi Sheng (center) of the Fralin Biomedical Research Institute at VTC may have moved a step closer to a solution. Credit Clayton Metz/Virginia Tech Usage Restrictions None License Original 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.