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COMPARISON OF SUPPRESSIVE EFFECT BETWEEN THE LOW MOLECULAR WEIGHT NATURAL TUMOR SUPPRESSOR OF HUMAN FETAL HEPATOCYTE AND THAT OF EMBRYO CALF HEPATOCYTE ON THE GROWTH OF MURINE S-180 CELLS

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Author:
No author available
Journal Title:
CANCER RESEARCH AND CLINIC
Issue:
6
DOI:
10.3760/cma.j.issn.1006-9801.2001.06.003
Key Word:
胎儿肝细胞;胎牛肝细胞;低分子天然抑瘤物;S-180细胞;抑瘤效应

Abstract: 目的:对比观察人胎肝细胞和胎牛肝细胞低分子天然抑瘤物(LMW-NTS)对小鼠腹腔积液型S-180细胞生长的抑制效应.方法:分别从胎儿肝细胞和胎牛肝细胞中分离提取出LMW-NTS.采用体外双层软琼脂培养法检测它们对S-180细胞集落生成的抑制作用;给两组荷瘤小鼠每日分别腹腔注射人胎肝细胞和胎牛肝细胞LMW-NTS 0.5 mg/只,每日1次连续注射21天,观察小鼠的寿命.结果:人胎肝细胞和胎牛肝细胞LMW-NTS对S-180细胞的生长均有明显的抑制作用,且抑制作用随LMW-NTS浓度增高而增强;腹腔注射治疗荷瘤小鼠均能显著延长小鼠寿命.结论:人胎肝细胞和胎牛肝细胞中均存在着一种作用相似的LMW-NTS,在体内外均具有明显的抗肿瘤活性.

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