SELE and neoplasm: For example, our group utilized a short high-affinity E-selectin binding peptide (Esbp, DITWDQLWDLMK), identified in (84)) for targeted drug delivery of a cytotoxic drug (Doxorubicin, DOX) or a pro-apoptotic peptide (D(KLAKLAK)2, KLAK) to tumor vasculature.