Rivas-Carrillo JD, Soto-Gutierrez A, Navarro-Alvarez N, Noguchi H, Okitsu T, Chen Y, Yuasa T, Tanaka K, Narushima M, Miki A, Misawa H, Tabata Y, Jun HS, Matsumoto S, Fox IJ, Tanaka N, Kobayashi N. Cell-permeable pentapeptide V5 inhibits apoptosis and enhances insulin secretion, allowing experimental single-donor islet transplantation in mice. Diabetes. 2007 May; 56(5):1259-67.