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Immunohistochemical detection of the Raf kinase inhibitor protein in nonneoplastic gastric tissue and gastric cancer tissue

机译:免疫组织化学检测非肿瘤性胃组织和胃癌组织中Raf激酶抑制剂的蛋白

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摘要

Expression of the Raf kinase inhibitor protein (RKIP), a metastasis suppressor, is high in normal tissues, low in primary cancers, and lowest or absent in metastatic cancers. Here, we studied the expression of RKIP in nonneoplastic gastric tissue and gastric cancer tissue by immunohistochemistry (IHC) and evaluated its role in the genesis and metastasis of gastric cancer. RKIP immunoreactivity was evaluated in 40 samples of nonneoplastic gastric tissues and 75 samples of gastric cancer tissues. Among the 40 samples of nonneoplastic gastric tissue, 35 (87.5%) were positive for RKIP expression and 5 (12.5%) were negative; in the 75 samples of primary gastric cancer tissue, 39 (52%) were positive for RKIP expression and 36 (48%) were negative. Among 26 samples of metastatic lymph node tissues, 5 (19.2%) were positive for RKIP expression and 21 (80.8%) were negative. RKIP expression level was highest in nonneoplastic gastric tissue, low in primary gastric cancer tissue, and lowest or undetectable in metastatic gastric cancer tissue. Our data suggest that RKIP may play a role in the genesis and metastasis of gastric cancer.
机译:Raf激酶抑制剂蛋白(RKIP)(一种转移抑制物)的表达在正常组织中较高,在原发性癌症中较低,而在转移性癌症中则最低或不存在。在这里,我们通过免疫组织化学(IHC)研究了RKIP在非肿瘤性胃组织和胃癌组织中的表达,并评估了其在胃癌发生和转移中的作用。在40个非肿瘤性胃组织样本和75个胃癌组织样本中评估了RKIP免疫反应性。在40份非肿瘤性胃组织样本中,RKIP表达阳性35份(87.5%),阴性5份(12.5%)。在75例原发性胃癌组织样本中,RKIP表达阳性39例(52%),阴性36例(48%)。在26个转移性淋巴结组织样本中,有5个(19.2%)的RKIP表达阳性,有21个(80.8%)的阴性。 RKIP表达水平在非肿瘤性胃组织中最高,在原发性胃癌组织中较低,而在转移性胃癌组织中最低或无法检测到。我们的数据表明,RKIP可能在胃癌的发生和转移中起作用。

著录项

  • 来源
    《Medical Oncology 》 |2010年第2期| p.219-223| 共5页
  • 作者单位

    Department of Surgery, LuZhou Medical College, LuZhou, Sichuan, People’s Republic of China;

    Department of Pathology, MianYang Central Hospital, MianYang, Sichuan, People’s Republic of China;

    Department of Pathology, MianYang Central Hospital, MianYang, Sichuan, People’s Republic of China;

    Department of Oncology, MianYang Central Hospital, MianYang, Sichuan, People’s Republic of China;

    Department of Pathology, MianYang Central Hospital, MianYang, Sichuan, People’s Republic of China;

    Department of Pathology, MianYang Central Hospital, MianYang, Sichuan, People’s Republic of China;

    Department of Oncology, MianYang Central Hospital, MianYang, Sichuan, People’s Republic of China;

    Department of Pathology, MianYang Central Hospital, MianYang, Sichuan, People’s Republic of China;

    Department of Oncology, MianYang Central Hospital, MianYang, Sichuan, People’s Republic of China;

    Department of Oncology,;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Immunohistochemical; Raf kinase inhibitor protein; Nonneoplastic gastric tissue; Gastric cancer tissue;

    机译:免疫组化;Raf激酶抑制剂蛋白;胃肿瘤组织;胃癌组织;

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