CYP2C9 inhibits the invasion and migration of esophageal squamous cell carcinoma via downregulation of HDAC

CYP2C9 inhibits the invasion and migration of esophageal squamous cell carcinoma via downregulation of HDAC
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CYP2C9通过下调HDAC抑制食管鳞癌的侵袭和迁移

DOI:
10.1007/s11010-021-04050-3
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发表时间:
2021-01
影响因子:
4.3
通讯作者:
Xiaoli Zheng
Xiaoli Zheng
中科院分区:
生物学3区
文献类型:
--
作者:
Zhenzhen Jiang;Xiaoli Zheng

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细胞色素P450 2C 9(CYP 2C 9)参与抗癌药物和外源性致癌物的代谢。在我们的研究中,CYP 2C 9在多个人食管鳞状细胞癌(ESCC)队列中下调。到目前为止,它的作用和CYP 2C 9抑制ESCC的表观遗传调控仍然知之甚少。通过RT-qPCR和Western印迹证明了收集的ESCC患者肿瘤组织中的CYP 2C 9抑制。组蛋白乙酰化水平通过组蛋白去乙酰化酶抑制剂TSA和RNA干扰进行。表观遗传学分析显示,CYP 2C 9在KYSE-150和TE 1细胞中的表达增加的特征在于分别抑制HDAC 8和HDAC 1。TSA可显著降低HDAC对CYP 2C 9启动子区的占据率。CYP 2C 9过表达可降低食管鳞癌细胞的侵袭和迁移能力。
Cytochrome P450 2C9 (CYP2C9) is involved in the metabolism of cancer drugs and exogenous carcinogens. In our study, CYP2C9 was downregulated in multiple cohorts of human esophageal squamous cell carcinoma (ESCC). Until now, its role and epigenetic regulation of CYP2C9 repression in ESCC remain poorly understood. CYP2C9 repression in collected ESCC patient tumor tissues was demonstrated by RT-qPCR and Western blot. The histone acetylation level was carried out by the treatment of histone deacetylase inhibitor TSA and RNA interference. Epigenetic analysis revealed that the increased expression of CYP2C9 in KYSE-150 and TE1 cells was characterized by inhibition of HDAC8 and HDAC1, respectively. TSA decreased the levels of HDAC occupancy around CYP2C9 promoter region greatly. Overexpression of CYP2C9 reduced the invasion and migration of ESCC cells.
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发表时间: 2009-04-01
影响因子: 4
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