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Clinical significance of Midkine expression in pancreatic carcinoma
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF PANCREATOLOGY
- Issue:
- 6
- DOI:
- 10.3760/cma.j.issn.1674-1935.2006.06.005
- Key Word:
- 胰腺肿瘤;Midkine;细胞增殖;免疫组织化学
Abstract： 目的 探讨人胰腺癌组织中Midkine(MK)的表达及其与肿瘤细胞增殖的关系和意义.方法 免疫组织化学SP法检测49例胰腺癌、13例慢性胰腺炎及15例正常胰腺组织中MK和Ki67蛋白的表达.结果 胰腺癌组织中MK和Ki67均高表达,阳性率分别为77.1 %(35/49)、81.6%(40/49),二者的表达都与肿瘤组织学分级、临床分期和淋巴结转移有关(P ＜0.05).胰腺癌组织中Ki67表达显著高于慢性胰腺炎(3/13,P ＜0.01)和正常胰腺组织(0/15,P ＜0.01).慢性胰腺炎和正常胰腺组织中未见MK阳性表达.胰腺癌组织中MK蛋白的表达与Ki67的表达呈正相关(r ＝ 0.4,P ＜0.05).结论 检测MK蛋白对于胰腺癌的诊断及与慢性胰腺炎的鉴别诊断具有参考价值.MK在胰腺癌中高表达可能与肿瘤的发生发展及细胞增殖密切相关.
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