May be involved in the regulation of innate immune response (By similarity). Plays a role during early embryonic development. Involved in the formation of the anteroposterior axis with important roles also in neural development. Both maternally and zygotically expressed. Expressed at all stages of early development. Expressed from 8-cell stage to 48 hours post-fertilization (hpf). Expressed in the eyes at 48 hpf. Belongs to the CACTIN family.