肝癌人源腫瘤異種移植模型構建及初步應用
[Abstract]:Objective to establish a human xenotransplantation (patient-derived xenografts,PDX) model of hepatocellular carcinoma (HCC) and to explore its role in accurate treatment of HCC. Methods PDX model was established by subcutaneously inoculating tumor tissue of NCG mice. The morphologic structure of transplanted tumor tissue was compared with that of patient with HE staining. Tumor cell suspensions were prepared from the PDX model successfully transmitted to the third generation. BALB/c nude mice were inoculated subcutaneously to make the transplanted tumor model of liver cancer, and were randomly divided into 5-fluorouraciline 5-FU group after tumorigenesis. Solafenil (sorafenib) group and negative control group, 5 rats in each group. Tumor volume and weight of tumor bearing mice were monitored regularly, tumor inhibition rate was calculated according to tumor weight, and curative effect was evaluated. Results in this study, 6 cases of liver cancer PDX model were established, the success rate was 33.3% (6 / 18). The model maintained the characteristics of primary tumor. The tumor inhibition rates of 5-FU and Solafenil groups were 63.7% and 29.65-FU, respectively (P0.05). There was no significant difference in tumor inhibition rate between Solafenil group and Solafenil group, which was consistent with the clinical results. Conclusion the PDX model of liver cancer can maintain the tissue morphology of tumor tissue and can be applied to the accurate medical treatment of patients with liver cancer.
【作者單位】: 中國醫(yī)學科學院醫(yī)學實驗動物研究所北京協(xié)和醫(yī)學院比較醫(yī)學中心;首都醫(yī)科大學附屬北京地壇醫(yī)院;
【基金】:中國醫(yī)學科學院醫(yī)學與健康科技創(chuàng)新工程經費資助(2016-I2M-3-019) 中央級公益性科研院所基本科研業(yè)務費(2016ZX310032) 協(xié)和青年科研基金資助(3332016078)
【分類號】:R-332;R735.7
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