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锂增强小鼠LAK细胞活性及其体内抗瘤作用的研究
引用本文:蔡冬坡,吴易元.锂增强小鼠LAK细胞活性及其体内抗瘤作用的研究[J].中华微生物学和免疫学杂志,1994,14(1):37-40.
作者姓名:蔡冬坡  吴易元
作者单位:中国医学科学院肿瘤研究所免疫室
摘    要:本文观察了锂体外对小鼠LAK细胞的作用及其体内抗瘤作用,以期找到一种能增强LAK细胞活性,降低IL-2毒副作用的免疫调变剂。在IL-2诱导LAK的同时加入LiCl,则能增强LAK细胞的活性。以C57BL/6小鼠接种B16黑色素瘤细胞为荷瘤小鼠模型,比较了IL-2/LAK,单独锂及IL-2/LAK合并锂三组的抗瘤作用,结果表明,单独锂及IL-2/LAK组与对照组相比均有抗瘤作用,但IL-2/LAK和锂一起作用,其抗瘤作用最强,表现为能抑制肿瘤的生长及延长荷瘤小鼠的存活时间。因此,锂可望作为一种新型的免疫调节剂用于免疫性疾病及肿瘤的治疗。

关 键 词:氯化锂,白细胞介素2,淋巴因子激活的杀伤细胞(LAK),抗肿瘤作用

THE ENHANCING EFFECT OF LITHIUM ON MOUSE LAK CELL ACTIVITY AND ITS ANTITUMOR ACTIVITY
Cai Dong-po and Wu Yi-yuan.THE ENHANCING EFFECT OF LITHIUM ON MOUSE LAK CELL ACTIVITY AND ITS ANTITUMOR ACTIVITY[J].Chinese Journal of Microbiology and Immunology,1994,14(1):37-40.
Authors:Cai Dong-po and Wu Yi-yuan
Abstract:The in vitro effect of lithium on mouse lymphokine-activated killer cell(LAK)activity and its antitumor activ-ity in vivo were observed. LAK activity was enhanced when LiCl was added during LAK cell induction. By using amouse melanoma experimental model,the effect of lithium on tumor growth has been studied. Both lithium aloneand IL-2/LAK had antitumor effect, whereas the treatment of IL-2/LAK in combination with lithium had thestrongest inhibitory effect on tumor growth. This treatment resulted in reduction of tumor size and prolonged sur-vival of tumor-bearing mice compared with other treatment.Therefore,it is hopeful that lithium can be used as anew immunomodulator for cancer immunotherapy and immune diseases.
Keywords:Lithium  Interleukin    2(IL-2)  Lymphokine-activated killer cells (LAK)  Antitumor growth  
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