Bee venom phospholipase A2 induces a primary type 2 response that is dependent on the receptor ST2 and confers protective immunity.

Palm NW, Rosenstein RK, Yu S, Schenten DD, Florsheim E, Medzhitov R. "Bee venom phospholipase A2 induces a primary type 2 response that is dependent on the receptor ST2 and confers protective immunity." Immunity. 2013;39(5):976-85.