Many antigens common to both vertebrate and invertebrate hosts, and some immune inhibiting substance such as POMC-derived peptides, have been identified in the main stages of schistosome life cycle.

• 在血吸虫生活史的主要阶段均发现了许多与宿主相同的抗原以及众多的免疫抑制物质。这些物质有些是血吸虫自身表达的,有些是血吸虫结合的宿主抗原。