摘要
本文采用免疫组织化学(ABC)法、Western印迹法和Northern印迹法从细胞、蛋白及转录水平观察17例肝癌及癌旁肝组织中IGF-Ⅱ、IGF-Ⅱ受体和CSF-1受体/c-fms癌基因产物的表达。结果表明,肝癌组织中3种基因产物的表达水平显著高于正常肝组织;癌旁肝组织中IGF-Ⅱ和IGF-Ⅱ受体的表达水平显著高于肝癌组织;肝癌及癌旁肝组织IGF-Ⅱ基因呈胚胎型表达特点。但是,肝癌组织中CSF-1受体基因表达则显著高于癌旁肝组织。由此提示3种基因产物异常的过量表达与肝癌细胞自分泌生长刺激机制有关。
The expression of cancer gene products of insuline-like growth factor Ⅱ (IGF-Ⅱ),IGF-Ⅱ receptors (IGF-Ⅱ-R),and colony-stimulating factor 1 receptors (CSF-1-R) /c-fms in 17 cases of human primary hepatic cancer,the non-cancerous liver tissue adjacent to the cancer,and normal liver tissue was studied with immunocytochemistry (ABC),Western blot and Northern blot techniques.It was found that the expression of IGF-Ⅱ,IGF-Ⅱ-R and CSF-1-R was significantly higher in the cancers than in normal liver tissues,and the expression of IGF-Ⅱ and IGF-Ⅱ-R was higher in the non-cancerous liver tissues than in the cancers.It was noteworthy that the expression of IGF-Ⅱ in both the cancerous and non-cancerous hepatic tissues was characterized by its fetal type.However the expression of CSF-1-R was distinctly higher in the cancers than in the non-cancerous hepatic tissue.These findings,the authors believe,imply that the aberrant overexpression of IGF-Ⅱ,IGF-Ⅱ-R and CSF-l-R might be related to the mechanism of auto-crine-stimulated growtth of the cells of human primary hepatic cancer.
出处
《第三军医大学学报》
CAS
CSCD
北大核心
1991年第6期517-524,共8页
Journal of Third Military Medical University
基金
国家"七.五"攻关课题
关键词
肝肿瘤
IGF
CSF
受体
癌旁
肝组织
hepatic cancer
insulin-like growth factor II
insulin-like growth factor II receptor
colony-stimulating factor 1 receptor
autocrine-stimuulated growthNote
This work wass supporteq by the National 'Seven Five' Research Fund of China and performed
