Eosinophils contain several cationic proteins, including major basic protein (MBP), eosinophil-derived neurotoxin (EDN), eosinophil cationic protein (ECP), and eosinophil peroxidase (EPO).

• EOS颗粒蛋白主要有：EOS阳离子蛋白(ECP)，EOS主要碱性蛋白(MBP)，EOS过氧化物酶(EPO)，以及EOS神经毒素(EDN)。