Gene expression and hypoxia in breast cancer.

Gene expression and hypoxia in breast cancer.
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DOI:
10.1186/gm271
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发表时间:
2011-08-26
期刊:
影响因子:
12.3
通讯作者:
Buffa FM
Buffa FM
中科院分区:
生物学1区
文献类型:
--
作者:
Favaro E;Lord S;Harris AL;Buffa FM

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缺氧是大多数实体瘤的特征,并且与包括乳腺癌在内的几种癌症类型的预后不良相关。缺氧反应的主要调节因子是缺氧诱导因子1α(HIF-1α)。越来越清楚的是,单独的HIF-1α表达不是肿瘤对缺氧反应的可靠标志物,最近的研究集中在确定这一复杂过程的基因和microRNA(miRNA)特征。这些研究的结果很可能为乳腺癌和其他癌症的诊断和治疗铺平道路。在这篇综述中,我们概述了现有的缺氧标志物和最近发现的基因和miRNA表达特征,并讨论了它们作为预后和预测生物标志物的潜力。我们还强调了如何在癌症治疗的发展中靶向缺氧反应。
Hypoxia is a feature of most solid tumors and is associated with poor prognosis in several cancer types, including breast cancer. The master regulator of the hypoxic response is the Hypoxia-inducible factor 1α (HIF-1α). It is becoming clear that HIF-1α expression alone is not a reliable marker of tumor response to hypoxia, and recent studies have focused on determining gene and microRNA (miRNA) signatures for this complex process. The results of these studies are likely to pave the way towards the development of a robust hypoxia signature for breast and other cancers that will be useful for diagnosis and therapy. In this review, we outline the existing markers of hypoxia and recently identified gene and miRNA expression signatures, and discuss their potential as prognostic and predictive biomarkers. We also highlight how the hypoxia response is being targeted in the development of cancer therapies.
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