环氧合酶-2抑制剂塞来昔布对人肝癌HepG2裸小鼠移植瘤生长和肿瘤血管生成的抑制作用
背景与目的:有研究证实,环氧合酶-2(cyclooxygenase-2,COX-2)与肿瘤,特别是与消化系统肿瘤形成的关系较为密切,而其抑制剂则具有抗肿瘤作用。本研究探讨特异性抑制剂塞来昔布对人肝癌HepG2裸小鼠移植瘤生长和肿瘤血管生成的抑制作用。方法:将肝癌细胞HepG2种植至裸鼠背侧皮下,4天后开始用塞来昔布治疗,58天后处死。观测裸鼠移植瘤的体积和质量。并采用免疫组化和逆转录-聚合酶链反应法(RT—PCR)检测裸鼠移植瘤组织中COX-2、血管内皮生长因子(vascular endothelial growth factor,VEGF)、碱性成纤维生长因子(basic fibroblas...
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Published in | Ai zheng Vol. 25; no. 4; pp. 414 - 420 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
湖南省肿瘤医院普外科,湖南,长沙,10013
2006
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Subjects | |
Online Access | Get full text |
ISSN | 1000-467X |
DOI | 10.3321/j.issn:1000-467X.2006.04.006 |
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Abstract | 背景与目的:有研究证实,环氧合酶-2(cyclooxygenase-2,COX-2)与肿瘤,特别是与消化系统肿瘤形成的关系较为密切,而其抑制剂则具有抗肿瘤作用。本研究探讨特异性抑制剂塞来昔布对人肝癌HepG2裸小鼠移植瘤生长和肿瘤血管生成的抑制作用。方法:将肝癌细胞HepG2种植至裸鼠背侧皮下,4天后开始用塞来昔布治疗,58天后处死。观测裸鼠移植瘤的体积和质量。并采用免疫组化和逆转录-聚合酶链反应法(RT—PCR)检测裸鼠移植瘤组织中COX-2、血管内皮生长因子(vascular endothelial growth factor,VEGF)、碱性成纤维生长因子(basic fibroblast growth factor,bFGF)和血管生成素-2(angiopoientin-2,Ang-2)的表达,用免疫组化法检测微血管密度(microvessel density,MVD)。结果:治疗组切除的移植瘤平均体积和质量分别是(709.11±108.53)mm^3和(2.63±0.34)g,对照组分别为(1417.55±69.50)mm^3和(5.32±0.98)g,两组比较差异有显著性(P〈0.01)。治疗组肿瘤增殖率为55.21%。②对照组COX-2、VEGF、bFGF、Ang-2的表达和MVD值分别是4.50±0.25、5.43±0.58、4.03±0.47、5.53±0.54和128.24±9.82。而在塞来昔布组分别是2.42±0.29、2.80±0.30、2.23±0.41、2.88±0.25和29.23±1.52。两组相比较,COX-2、VEGF、bFGF、Ang-2的表达和MVD值差异有显著性(P〈0.01)。COX-2与VEGF、bFGF、Ang-2和MVD有明显的相关性(r分别为0.862、0.882、0.857.P分别〈0.01)。结论:塞来昔布有效抑制了人肝癌细胞HepG2裸小鼠移植瘤的生长和血管生成,其作用途径是抑制了COX-2的表达。 |
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AbstractList | R73-3; 背景与目的:有研究证实,环氧合酶-2(cyclooxygenase-2,COX-2)与肿瘤,特别是与消化系统肿瘤形成的关系较为密切,而其抑制剂则具有抗肿瘤作用.本研究探讨特异性抑制剂塞来昔布对人肝癌HepG2裸小鼠移植瘤生长和肿瘤血管生成的抑制作用.方法:将肝癌细胞HepG2种植至裸鼠背侧皮下,4天后开始用塞来昔布治疗,58天后处死.观测裸鼠移植瘤的体积和质量.并采用免疫组化和逆转录-聚合酶链反应法(RT-PCR)检测裸鼠移植瘤组织中COX-2、血管内皮生长因子(vascular endothelial growth factor,VEGF)、碱性成纤维生长因子(basic fibroblast growth factor,bFGF)和血管生成素-2(angiopoientin-2,Ang-2)的表达,用免疫组化法检测微血管密度(microvessel density,MVD).结果:治疗组切除的移植瘤平均体积和质量分别是(709.11±108.53)mm3和(2.63±0.34)g,对照组分别为(1 417.55±69.50)mm3和(5.32±0.98)g,两组比较差异有显著性(P<0.01).治疗组肿瘤增殖率为55.21%.②对照组COX-2、VEGF、bFGF、Ang-2的表达和MVD值分别是4.50±0.25、5.43±0.58、4.03±0.47、5.53±0.54和128.24±9.82,而在塞来昔布组分别是2.42±0.29、2.80±0.30、2.23±0.41、2.88±0.25和29.23±1.52.两组相比较,COX-2、VEGF、bFGF、Ang-2的表达和MVD值差异有显著性(P<0.01).COX-2与VEGF、bFGF、Ang-2和MVD有明显的相关性(r分别为0.862、0.882、0.857,P分别<0.01).结论:塞来昔布有效抑制了人肝癌细胞HepG2裸小鼠移植瘤的生长和血管生成,其作用途径是抑制了COX-2的表达. 背景与目的:有研究证实,环氧合酶-2(cyclooxygenase-2,COX-2)与肿瘤,特别是与消化系统肿瘤形成的关系较为密切,而其抑制剂则具有抗肿瘤作用。本研究探讨特异性抑制剂塞来昔布对人肝癌HepG2裸小鼠移植瘤生长和肿瘤血管生成的抑制作用。方法:将肝癌细胞HepG2种植至裸鼠背侧皮下,4天后开始用塞来昔布治疗,58天后处死。观测裸鼠移植瘤的体积和质量。并采用免疫组化和逆转录-聚合酶链反应法(RT—PCR)检测裸鼠移植瘤组织中COX-2、血管内皮生长因子(vascular endothelial growth factor,VEGF)、碱性成纤维生长因子(basic fibroblast growth factor,bFGF)和血管生成素-2(angiopoientin-2,Ang-2)的表达,用免疫组化法检测微血管密度(microvessel density,MVD)。结果:治疗组切除的移植瘤平均体积和质量分别是(709.11±108.53)mm^3和(2.63±0.34)g,对照组分别为(1417.55±69.50)mm^3和(5.32±0.98)g,两组比较差异有显著性(P〈0.01)。治疗组肿瘤增殖率为55.21%。②对照组COX-2、VEGF、bFGF、Ang-2的表达和MVD值分别是4.50±0.25、5.43±0.58、4.03±0.47、5.53±0.54和128.24±9.82。而在塞来昔布组分别是2.42±0.29、2.80±0.30、2.23±0.41、2.88±0.25和29.23±1.52。两组相比较,COX-2、VEGF、bFGF、Ang-2的表达和MVD值差异有显著性(P〈0.01)。COX-2与VEGF、bFGF、Ang-2和MVD有明显的相关性(r分别为0.862、0.882、0.857.P分别〈0.01)。结论:塞来昔布有效抑制了人肝癌细胞HepG2裸小鼠移植瘤的生长和血管生成,其作用途径是抑制了COX-2的表达。 |
Author | 左朝晖 黎祖荣 周晓 欧阳永忠 周征宇 曾亮 |
AuthorAffiliation | 湖南省肿瘤医院普外科,湖南长沙410013 |
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Title | 环氧合酶-2抑制剂塞来昔布对人肝癌HepG2裸小鼠移植瘤生长和肿瘤血管生成的抑制作用 |
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