IL13 and neoplasm: Briefly, as previously reported [19], the murine IL13Rα2-CAR T (mCAR T) consists of the murine IL13 tumor-targeting domain, murine CD8 hinge (mCD8h), murine CD8 transmembrane domain (mCD8tm), murine 4-1BB costimulatory domain (m4–1BB), and murine CD3 zeta (mCD3ζ) [23].