门静脉海绵样变性(Cavernouss transformations of portals vein,CTPV)属于肝前性门静脉高压症,具有脾功能亢进症、食管、胃底静脉曲张及反复上消化道出血等门静脉高压症的共有特性,临床上少见,极易误诊。我院于2008年6月至2014年3月...门静脉海绵样变性(Cavernouss transformations of portals vein,CTPV)属于肝前性门静脉高压症,具有脾功能亢进症、食管、胃底静脉曲张及反复上消化道出血等门静脉高压症的共有特性,临床上少见,极易误诊。我院于2008年6月至2014年3月收治8例,现分析报告如下。展开更多
AIM: To prepare the human hepatocellular carcinoma_(HCC)targeted liposome microbubbles and to investigate their immunological properties.METHODS: Human hepatocarcinoma specific monoclonal antibody HAb18 was attached t...AIM: To prepare the human hepatocellular carcinoma_(HCC)targeted liposome microbubbles and to investigate their immunological properties.METHODS: Human hepatocarcinoma specific monoclonal antibody HAb18 was attached to the surface of home-made liposome microbubbles by static attraction to prepare the targeted liposome microbubbles. The combination of HAb18 with liposome microbubbles was confirmed by the slide agglutination test and immunofluorescent assay. Their immunological activity was measured by ELISA. Rosette formation test, rosette formation blocking test and immunofluorescent assay were used to identify the specific binding of targeted liposome microbubbles to SMMC-7721 hepatoma cells, and cytotoxicity assay was used to detect their effect on human hepatocytes.RESULTS: The targeted liposome microbubbles were positive in the slide agglutination test and immunofluorescent assay. ELISA indicated that the immunological activity of HAb18 on the liposome microbubbles was similar to that of free HAb18. SMMC-7721 cells were surrounded by the targeting liposome microbubbles to form rosettes, while the control SGC-7901 gastric cancer cells were not. Proliferation of SMMC-7721 cells and normal human hepatocytes was not influenced by the targeted liposome microbubbles.CONCLUSION: The targeted liposome microbubbles with a high specific biological activity have been successfully prepared, which specifically bind to human hepatocarcinoma cells, and are non-cytotoxic to hepatocytes. These results indicate that the liposome microbubbles can be used as a HCC-targeted ultrasound contrast agent that may enhance ultrasound images and thus improve the diagnosis of HCC,especially at the early stage.展开更多
文摘门静脉海绵样变性(Cavernouss transformations of portals vein,CTPV)属于肝前性门静脉高压症,具有脾功能亢进症、食管、胃底静脉曲张及反复上消化道出血等门静脉高压症的共有特性,临床上少见,极易误诊。我院于2008年6月至2014年3月收治8例,现分析报告如下。
基金Supported by the National Natural Science Foundation of China,No.30270384
文摘AIM: To prepare the human hepatocellular carcinoma_(HCC)targeted liposome microbubbles and to investigate their immunological properties.METHODS: Human hepatocarcinoma specific monoclonal antibody HAb18 was attached to the surface of home-made liposome microbubbles by static attraction to prepare the targeted liposome microbubbles. The combination of HAb18 with liposome microbubbles was confirmed by the slide agglutination test and immunofluorescent assay. Their immunological activity was measured by ELISA. Rosette formation test, rosette formation blocking test and immunofluorescent assay were used to identify the specific binding of targeted liposome microbubbles to SMMC-7721 hepatoma cells, and cytotoxicity assay was used to detect their effect on human hepatocytes.RESULTS: The targeted liposome microbubbles were positive in the slide agglutination test and immunofluorescent assay. ELISA indicated that the immunological activity of HAb18 on the liposome microbubbles was similar to that of free HAb18. SMMC-7721 cells were surrounded by the targeting liposome microbubbles to form rosettes, while the control SGC-7901 gastric cancer cells were not. Proliferation of SMMC-7721 cells and normal human hepatocytes was not influenced by the targeted liposome microbubbles.CONCLUSION: The targeted liposome microbubbles with a high specific biological activity have been successfully prepared, which specifically bind to human hepatocarcinoma cells, and are non-cytotoxic to hepatocytes. These results indicate that the liposome microbubbles can be used as a HCC-targeted ultrasound contrast agent that may enhance ultrasound images and thus improve the diagnosis of HCC,especially at the early stage.