在免疫受到抑制的病人可发生此病，患者因移植、白血病或淋巴瘤而常应用激素、硫唑嘌呤或细胞毒类药物治疗者。
This is seen in immunosuppressed patients usually on steroids, azathioprine, or cytotoxic agents following transplantation or for leukaemia or lymphoma.
结论IL 12、IL 2基因治疗可抑制小鼠肝癌H 2 2皮下移植瘤的生长，提高机体的抗肿瘤免疫应答，两者联合运用可产生协同效应。
Conclusion Both IL 2 and IL 12 are able to inhibit the growth of mice H22 hepatocellular carcinoma grafted subcutaneously and induce the host anti tumor immune response efficiently.
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