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胃癌组织中CD97^(STALK)和CD55的表达及其临床病理学意义 被引量:2

Expression of CD97STALK and CD55 in gastric carcinoma and its clinicopathologic significance
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摘要 目的检测CD97STALK和其细胞配体CD55在胃癌组织及其相应的正常胃黏膜组织中的表达分布,分析这一对受体-配体分子与胃癌患者临床病理学特征之间的关系,探讨CD97STALK和CD55在胃癌发生、发展中的作用机制。方法选取39例经外科手术切除及组织病理学证实的胃癌患者的癌组织标本及相应的正常胃黏膜组织,应用RT-PCR技术和冰冻切片免疫组化染色方法,分别在mRNA和蛋白水平进行检测,并将两个分子的表达水平与患者临床病理学参数进行比较。结果大部分胃癌组织都有CD97STALK的阳性染色。CD97STALK强阳性染色位于胃肿块边沿散在分布的单个瘤细胞和小簇的肿瘤细胞。在临床Ⅰ期和Ⅱ、Ⅲ、Ⅳ期两组胃癌患者的癌组织中CD97STALK阳性表达差异有显著性(P<0.05);在肿瘤浸润深度为T1与T2、T3、T4两组胃癌患者的癌组织之间差异也有显著性(P<0.05)。肿瘤浸润深度为T1的胃癌患者中几乎均有CD55的阳性表达,在肿瘤浸润深度为T1与T2、T3、T4两组胃癌患者的癌组织之间,CD55的阳性表达差异有显著性(P<0.05)。CD97STALK和CD55在早期胃癌中呈现优势表达。胃印戒细胞癌胞浆频繁出现CD97STALK和CD55强阳性染色。胃癌组织CD55与CD97STALK表达高度相关(r=0.73)。结论CD97STALK通过与其细胞配体CD55直接的受体-配体作用,在胃癌发生、发展中发挥作用,CD97STALK和CD55有可能成为早期胃癌诊断、治疗和预后的分子标志。
出处 《实用肿瘤杂志》 CAS 2005年第4期327-331,共5页 Journal of Practical Oncology
基金 浙江省科技厅国际合作项目(2004C34010)
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同被引文献20

  • 1柳咏,陈力,彭淑牖,陈周浔,HOANG-VU C.Role of CD97^(stalk) and CD55 as molecular markers for prognosis and therapy of gastric carcinoma patients[J].Journal of Zhejiang University-Science B(Biomedicine & Biotechnology),2005,6(9):913-918. 被引量:2
  • 2赵刚,邱江锋,吴志勇.603例胃癌根治术的预后因素分析[J].中国癌症杂志,2007,17(7):556-559. 被引量:29
  • 3刘达人.CD97亚型在胃癌细胞中的作用及其机制的研究[D]浙江大学,浙江大学2010.
  • 4Liu Yong,Chen Li,Peng Shu-you,Chen Zhou-xun,C Hoang-Vu.Role of CD97stalk and CD55 as molecular markers for prognosis and therapy of gastric carcinoma patients[J]. Journal of Zhejiang University Science B . 2005 (9)
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  • 8Mustafa T,Eckert A,Klonisch Tet al.Expression of the epidermal growth factor seven-transmembrane member CD97correlates with grading and staging in human oral squamous cell carcinomas〔J〕. Cancer Epide-miol Biomarkers Prev . 2005
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