摘要
尽管在治疗上获得进展,胶质母细胞瘤(GBM)仍然是最普遍和最致命的脑肿瘤。因此,有必要确定新的和有效的治疗方法,来提高这类患者的寿命。众所周知,肿瘤细胞如胶质母细胞瘤呈现命名为“Warburg效应”,被认为是癌症的标志的代谢重组。这一机制与肿瘤细胞高度依赖于糖酵解代谢来维持能量的需求和大分子合成有关,导致产生大量的乳酸和碳酸。由于一些蛋白如单羧酸转运蛋白(MCTS)和碳酸酐酶(CA)的上调,这些代谢产物诱导了酸性微环境,以维持糖酵解的显现和细胞内的生理pH。对糖酵解代谢和导致标准疗法获得性耐药的酸性微环境的依赖已经是研究胶质母细胞瘤的治疗反应的热点。在这篇综述中,我们强调了胶质母细胞瘤里乳酸转运蛋白与其他pH调节剂的重要的证据,这些在胶质母细胞瘤GBMS呈频繁过度的表达,并与肿瘤的侵袭性相关。此外,我们将描述如何针对这些蛋白质可以建立新的治疗策略,以攻克神经胶质瘤治疗的耐药性。
关键词: 酸性微环境,碳酸酐酶(CA),胶质母细胞瘤、乳酸、单羧酸转运蛋白(MCTS)、pH调节剂、Warburg效应。
图形摘要
Current Cancer Drug Targets
Title:Lactate Transporters and pH Regulation: Potential Therapeutic Targets in Glioblastomas
Volume: 16 Issue: 5
Author(s): Vera Miranda-Gonçalves, Rui M. Reis, Fátima Baltazar
Affiliation:
关键词: 酸性微环境,碳酸酐酶(CA),胶质母细胞瘤、乳酸、单羧酸转运蛋白(MCTS)、pH调节剂、Warburg效应。
摘要: Despite advances in therapy, glioblastoma (GBM) is still the most prevalent and lethal brain tumor. Thus, it is imperative to identify new and effective therapies that could improve the lifetime of these patients. It is known that tumor cells, such as glioblastomas present metabolic reprogramming, named “Warburg effect”, recognized nowadays as a hallmark of cancer. This mechanism is associated with a high dependence of tumor cells on the glycolytic metabolism to sustain energy demands and macromolecule synthesis, leading to production of high amounts of lactic and carbonic acids. These metabolic products induce microenvironment acidification, due to up-regulation of several proteins, such as monocarboxylate transporters (MCTs) and carbonic anhydrases (CAs), to maintain the glycolytic phenotype and the intracellular physiological pH. The dependence on glycolytic metabolism and acidic microenvironment on the acquired resistance to standard therapy has been a research focus in glioblastoma therapy response. In this review, we intend to highlight evidence for the importance of lactate transporters and other pH regulators in GBMs, which are frequently overexpressed in GBMs and associated with tumor aggressiveness. Moreover, we will describe how targeting these proteins could constitute new therapeutic strategies to overcome glioma resistance to therapy.
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Cite this article as:
Vera Miranda-Gonçalves, Rui M. Reis, Fátima Baltazar , Lactate Transporters and pH Regulation: Potential Therapeutic Targets in Glioblastomas, Current Cancer Drug Targets 2016; 16 (5) . https://dx.doi.org/10.2174/1568009616666151222150543
DOI https://dx.doi.org/10.2174/1568009616666151222150543 |
Print ISSN 1568-0096 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-5576 |
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