p27mt基因对人大肠癌裸鼠移植瘤模型的影响
目的研究p27mt基因对大肠癌裸鼠移植瘤的生长抑制和抗转移作用及其机制。方法建立大肠癌裸鼠移植瘤模型,采用瘤体内直接注射法,测量瘤体体积,观察p27mt对移植瘤的生长抑制作用。分离瘤体,制作单细胞悬液,流式细胞术检测细胞周期,测定细胞凋亡。免疫组化检测瘤体组织中MMP-9的表达。结果Ad-p27mt组、Ad-LacZ组和对照组移植瘤平均体积分别为(1.94±0.67)cm^3、(2.75±0.83)cm^3和(3.01±0.76)cm^3(P〈0.05);增殖率分别为(37.34±1.45)%、(53.16±3.27)%和(54.48±2.43)%(P〈0.05);凋亡率分别为(19.79±3...
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Published in | Zhongliu fangzhi yanjiu Vol. 35; no. 6; pp. 399 - 401 |
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Format | Journal Article |
Language | Chinese |
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郧阳医学院附属人民医院消化内科,湖北十堰,442000%郧阳医学院附属太和医院妇产科,湖北十堰,442000
2008
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Abstract | 目的研究p27mt基因对大肠癌裸鼠移植瘤的生长抑制和抗转移作用及其机制。方法建立大肠癌裸鼠移植瘤模型,采用瘤体内直接注射法,测量瘤体体积,观察p27mt对移植瘤的生长抑制作用。分离瘤体,制作单细胞悬液,流式细胞术检测细胞周期,测定细胞凋亡。免疫组化检测瘤体组织中MMP-9的表达。结果Ad-p27mt组、Ad-LacZ组和对照组移植瘤平均体积分别为(1.94±0.67)cm^3、(2.75±0.83)cm^3和(3.01±0.76)cm^3(P〈0.05);增殖率分别为(37.34±1.45)%、(53.16±3.27)%和(54.48±2.43)%(P〈0.05);凋亡率分别为(19.79±3.32)%,(6.38±4.91)%和(7.25±5.20)%(P〈0.01);MMP-9的表达率为20%、75%和66.7%(P〈0.01)。结论人突变p27mt基因通过阻滞移植瘤的增殖,促进移植瘤细胞的凋亡来抑制移植瘤的生长,通过降低移植瘤MMP-9的表达抑制移植瘤的转移。 |
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AbstractList | R735.3+4; 目的 研究p27mt基因对大肠癌裸鼠移植瘤的生长抑制和抗转移作用及其机制.方法 建立大肠癌裸鼠移植瘤模型,采用瘤体内直接注射法,测量瘤体体积,观察p27mt对移植瘤的生长抑制作用.分离瘤体,制作单细胞悬液,流式细胞术检测细胞周期,测定细胞凋亡.免疫组化检测瘤体组织中MMP-9的表达.结果 Ad-p27mt组、Ad-LacZ组和对照组移植瘤平均体积分别为(1.94±0.67)cm3、(2.75±0.83)cm3和(3.01±0.76)cm3(P<0.05);增殖率分别为(37.34±1.45)%、(53.16±3.27)%和(54.48±2.43)%(P<0.05);凋亡率分别为(19.79±3.32)%,(6.38±4.91)%和(7.25±5.20)%(P<0.01);MMP-9的表达率为20%、75%和66.7%(P<0.01).结论 人突变p27mt基因通过阻滞移植瘤的增殖,促进移植瘤细胞的凋亡来抑制移植瘤的生长,通过降低移植瘤MMP-9的表达抑制移植瘤的转移. 目的研究p27mt基因对大肠癌裸鼠移植瘤的生长抑制和抗转移作用及其机制。方法建立大肠癌裸鼠移植瘤模型,采用瘤体内直接注射法,测量瘤体体积,观察p27mt对移植瘤的生长抑制作用。分离瘤体,制作单细胞悬液,流式细胞术检测细胞周期,测定细胞凋亡。免疫组化检测瘤体组织中MMP-9的表达。结果Ad-p27mt组、Ad-LacZ组和对照组移植瘤平均体积分别为(1.94±0.67)cm^3、(2.75±0.83)cm^3和(3.01±0.76)cm^3(P〈0.05);增殖率分别为(37.34±1.45)%、(53.16±3.27)%和(54.48±2.43)%(P〈0.05);凋亡率分别为(19.79±3.32)%,(6.38±4.91)%和(7.25±5.20)%(P〈0.01);MMP-9的表达率为20%、75%和66.7%(P〈0.01)。结论人突变p27mt基因通过阻滞移植瘤的增殖,促进移植瘤细胞的凋亡来抑制移植瘤的生长,通过降低移植瘤MMP-9的表达抑制移植瘤的转移。 |
Author | 陈珺 丁武华 卢光新 徐少勇 |
AuthorAffiliation | 郧阳医学院附属人民医院消化内科,湖北十堰442000 郧阳医学院附属人民医院附属太和医院妇产科 |
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Author_FL | CHEN Jun DING Wu-hua LU Guang-xin XU Shao-yong |
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DocumentTitleAlternate | Effect of p27mt Gene on Growth of Transplanted Human Colorectal Carcinoma in Naked Mice |
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SubjectTerms | MMP-9 p27mt基因 大肠癌 裸鼠 |
Title | p27mt基因对人大肠癌裸鼠移植瘤模型的影响 |
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