IL2 and neoplasm: Current studies have shown [4] that arabinoxylan extracted from wheat bran has anti-tumor activity with significantly inhibiting the growth of tumor-bearing mice and the growth of S180 mouse transplantable tumors, as well as with remarkably promoting thymus and spleen indexes, splenocyte proliferation, natural killer cell and macrophage phagocytosis activity, interleukin 2 production, and delayed-type hypersensitivity reaction.