Prognostic molecular markers in early breast cancer.

Prognostic molecular markers in early breast cancer.
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DOI:
10.1186/bcr777
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发表时间:
2004
期刊:
Breast cancer research : BCR
影响因子:
--
通讯作者:
Hortobagyi GN
Hortobagyi GN
中科院分区:
其他
文献类型:
--
作者:
Esteva FJ;Hortobagyi GN

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许多涉及乳腺癌生物学的分子被作为潜在的预后标记物进行研究。在本综述中,我们讨论了已建立的分子标记的作用,以及新兴新技术的潜在应用。那些在早期乳腺癌患者中常规用于做出治疗决定的分子包括增殖标记物(例如Ki-67)、激素受体和人类表皮生长因子受体2。被证明具有预后价值但未常规使用的肿瘤标记物包括细胞周期蛋白D1和E、尿激酶样纤溶酶原激活物/纤溶酶原激活物抑制物和组织蛋白D。其他分子标记物的证据水平较低,部分原因是大多数研究都是回顾性的,缺乏足够的证据,使得他们的研究结果不适合于为个别患者选择治疗方案。基因芯片已成功地用于乳腺癌的亚型分类和预后评估。RT-PCR也被用来评估档案组织中多个基因的表达。蛋白质组学技术正在开发中。
A multitude of molecules involved in breast cancer biology have been studied as potential prognostic markers. In the present review we discuss the role of established molecular markers, as well as potential applications of emerging new technologies. Those molecules used routinely to make treatment decisions in patients with early-stage breast cancer include markers of proliferation (e.g. Ki-67), hormone receptors, and the human epidermal growth factor receptor 2. Tumor markers shown to have prognostic value but not used routinely include cyclin D1 and cyclin E, urokinase-like plasminogen activator/plasminogen activator inhibitor, and cathepsin D. The level of evidence for other molecular markers is lower, in part because most studies were retrospective and not adequately powered, making their findings unsuitable for choosing treatments for individual patients. Gene microarrays have been successfuly used to classify breast cancers into subtypes with specific gene expression profiles and to evaluate prognosis. RT-PCR has also been used to evaluate expression of multiple genes in archival tissue. Proteomics technologies are in development.
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