Study on excited effect of low dose radiation and clinical application

Ionizing radiation exist extensively in life environment.Low dose radiation can induce adaptive response of the body,the mechanism including DNA damage repair,promote intracellular information transfer of T cell,the produce of protective protein and the effection of reactive oxygen species.It also can enhance immunity,inhibit growth and metastasis of tumor and can effect the adverse reaction of chemotherapy. Key words: Dose-effect relation,radiation; Neoplasms; Radiation of adaptive response