From the State Key Laboratory of Medicinal Chemical Biology (Y.C., Y.D., J.H.), Collaborative Innovation Center of Biotherapy (Y.C., Y.D., R.X., J.H.), College of Life Sciences (Y.D., X.Y., L.S., M.L., Q.W., X.M., W.Z., X.L., J.H.), Nankai University, Tianjin, China; Department of Surgery, Medical College of Wisconsin, Milwaukee (W.H., R.Q.M.); and Department of Pathology, Weill Medical College of Cornell University, New York, NY (D.P.H.). (At 2015-04)