Pain:HDAC6抑制剂可以有效逆转化疗诱导的周围神经病变

2017-03-10 MedSci MedSci原创

化疗诱发的周围神经病变是癌症治疗过程中最常见的副作用之一。目前,尚无FDA批准的治疗方法。组蛋白脱乙酰酶6(HDAC6)是一种微管相关的脱乙酰酶,其功能包括依赖微管蛋白的细胞内线粒体运输的调节。近期,一项发表在杂志Pain上的研究描述了抑制HDAC6对顺铂诱导的周围神经病的影响。研究者们使用了新型HDAC6抑制剂ACY-1083,相对于其他HDACs,其显示出对HDAC6的260倍选择性。研究结果

化疗诱发的周围神经病变是癌症治疗过程中最常见的副作用之一。目前,尚无FDA批准的治疗方法。


组蛋白脱乙酰酶6(HDAC6)是一种微管相关的脱乙酰酶,其功能包括依赖微管蛋白的细胞内线粒体运输的调节。

近期,一项发表在杂志Pain上的研究描述了抑制HDAC6对顺铂诱导的周围神经病的影响。研究者们使用了新型HDAC6抑制剂ACY-1083,相对于其他HDACs,其显示出对HDAC6的260倍选择性。

研究结果表明抑制HDAC6阻止顺铂诱导的机械异常性疼痛,也可以完全逆转已有的顺铂诱导的机械异常性疼痛,自发性疼痛和麻木。使用建立的HDAC6抑制剂ACY-1215(Ricolinostat)也证实了这些发现,目前,其正在用于癌症治疗的临床试验中。

使用HDAC6抑制剂增加周围神经中的微管蛋白乙酰化。此外,HDAC6抑制剂恢复顺铂引起的线粒体生物能量和胫神经中线粒体的减少,这表明可以增加线粒体运输。

随后,背根神经节线粒体生物能量也得到改善。HDAC6抑制剂恢复了顺铂处理的小鼠中表皮内神经纤维密度的损失。

此项研究结果表明HDAC6的药理学抑制可以完全逆转顺铂诱导周围神经病变,其通过恢复DRG和神经中的线粒体功能,以及恢复表皮内的神经支配实现。

原始出处:
Krukowski K, Ma J, et al. HDAC6 inhibition effectively reverses chemotherapy-induced peripheral neuropathy. Pain. 2017 Mar 4. doi: 10.1097/j.pain.0000000000000893.

本文系梅斯医学(MedSci)原创编译整理,转载需授权!

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    2018-02-11 lingaifan
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    2017-12-31 jklm09
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    2018-01-17 xzw113
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    2017-03-12 axin012
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