基础医学与临床 ›› 2012, Vol. 32 ›› Issue (4): 417-422.

• 研究论文 • 上一篇    下一篇

维吾尔族妇女宫颈癌早期与中晚期患者血浆蛋白质组的二维液相色谱比较分析

纳菲沙.卡德尔1,郭霞2,武贵臻2,夏米西努尔?伊力克刘开江4,阿布力孜.阿布杜拉2   

  • 收稿日期:2011-03-22 修回日期:2011-10-19 出版日期:2012-04-05 发布日期:2012-03-21
  • 通讯作者: 阿布力孜.阿布杜拉 E-mail:abulizi_de@126.com
  • 基金资助:
    自治区自然科学基金;新疆维吾尔自治区高技术研究发展计划

Comparative analysis of plasma proteome of early and advanced stage of cervical carcinoma of Uighur women by two-dimensional liquid phase chromatography

  • Received:2011-03-22 Revised:2011-10-19 Online:2012-04-05 Published:2012-03-21

摘要: 目的 运用蛋白质二维液相色谱技术,分析维吾尔族妇女宫颈鳞癌患者血浆低丰度蛋白质组谱特征,寻找肿瘤临床早期和中晚期之间的血浆蛋白组差异。方法 收集维吾尔族妇女宫颈鳞癌患者血浆标本共46例,其中临床分期为Ⅰ-Ⅱa的早期患者26例,Ⅱb-Ⅳ的中晚期患者20例;利用高丰度蛋白去除方法,制备血浆低丰度蛋白质组样品,经蛋白质二维液相色谱系统(ProteomeLabTM PF-2D)分析,研究不同宫颈癌临床分期患者血浆蛋白质组差异。结果建立了早期和中晚期宫颈鳞癌患者的蛋白质组差异图谱;以2倍以上的血浆蛋白质含量变化作为蛋白质峰组分的定量差异标准,并将宫颈癌早期患者设为对照,综合分析二组的有效蛋白组分,发现中晚期肿瘤患者血浆中5个低丰度蛋白组分含量明显上升,而10个组分下降。结论维吾尔族妇女宫颈鳞癌患者不同临床分期之间存在血浆低丰度蛋白质组差异,为进一步鉴定肿瘤演进过程特异的血浆标志蛋白提供了客观依据。

关键词: 维吾尔族妇女, 宫颈癌, 蛋白质组, 二维液相色谱

Abstract: Objective To analyze the proteomic profile of low abundant plasma proteins in cervical squamous cell carcinoma(CSSC)of Uighur women by using two dimensional liquid phase chromatography, to identify differences of plasma proteome between early and advanced stages of the cancer. Methods Forty-six cases of plasma samples from Uighur women with CSSC were collected,including 26 cases of early stage cancer atⅠ-Ⅱa and 20 cases of advanced stage cancer at Ⅱb-Ⅳ; After preparation of the proteome of low abundant plasma proteins by depletion of high abundant proteins, the proteomic fingerprint features of patients with early stage and advanced stage of cancer were studied by two-dimensional liquid phase chromatography (ProteomeLabTM PF- 2 D) , to establish a distinguishing model of plasma proteome for patients withdifferent stages of cancer. Results A plasma proteome fingerprint model specific to patients with early stage and advanced stage of cancer was established. By setting up the protein content difference of more than two times as a standard for quantitative differences, 5 peaks with ascending and 10 with descending protein content in patients with advanced stage of cancer compared to early stages were found. Conclusion The remarkable difference in low abundant plasma proteomes between early and advanced stages of CSCC in Uighur women may provide an important evidence for the identification of plasma protein markers specific to the cancer progression in the future.

Key words: Uighur women, cervical carcinoma, proteome, 2-D liquid phase chromatography