The role of HDAC6 in cancer.

The role of HDAC6 in cancer.
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DOI:
10.1155/2011/875824
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发表时间:
2011
影响因子:
--
通讯作者:
Sakamoto KM
Sakamoto KM
中科院分区:
其他
文献类型:
--
作者:
Aldana-Masangkay GI;Sakamoto KM

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组蛋白脱乙酰基酶6是组氨酸脱乙酰酶家族的成员,其主要底物为α-微管蛋白,因其在肿瘤细胞转化中的重要作用而成为抗癌药物开发的靶点。HDAC6的过度表达与肿瘤的发生和生存期的改善密切相关,因此,HDAC6可作为判断预后的指标。先前的工作表明,在多发性骨髓瘤细胞中,抑制HDAC6会导致细胞凋亡。此外,热休克因子1(HSF1)是热休克蛋白编码基因(HSPs)的激活因子,而细胞色素D脱氢酶(CyLD)是圆柱状细胞瘤的肿瘤抑制基因,而HDAC6是激活HSF1所必需的。HDAC6的上调促进了乳腺癌MCF-7细胞的运动,并且它与皮质蛋白的相互作用调节了运动,因此HDAC6有助于肿瘤的转移。HDAC6还通过分别调节热休克蛋白90(Hsp90)和应激颗粒(SGS)来影响转录和翻译。本文就HDAC6在肿瘤发病机制和治疗中的作用作一综述。
Histone deacetylase 6 (HDAC6), a member of the HDAC family whose major substrate is α-tubulin, has become a target for drug development to treat cancer due to its major contribution in oncogenic cell transformation. Overexpression of HDAC6 correlates with tumorigenesis and improved survival; therefore, HDAC6 may be used as a marker for prognosis. Previous work demonstrated that in multiple myeloma cells, inhibition of HDAC6 results in apoptosis. Furthermore, HDAC6 is required for the activation of heat-shock factor 1 (HSF1), an activator of heat-shock protein encoding genes (HSPs) and CYLD, a cylindromatosis tumor suppressor gene. HDAC6 contributes to cancer metastasis since its upregulation increases cell motility in breast cancer MCF-7 cells and its interaction with cortactin regulates motility. HDAC6 also affects transcription and translation by regulating the heat-shock protein 90 (Hsp90) and stress granules (SGs), respectively. This review will discuss the role of HDAC6 in the pathogenesis and treatment of cancer.
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