DACH1 suppresses epithelial to mesenchymal transition (EMT) through Notch1 pathway and reverses progestin resistance in endometrial carcinoma

DACH1 suppresses epithelial to mesenchymal transition (EMT) through Notch1 pathway and reverses progestin resistance in endometrial carcinoma
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DACH1通过Notch1通路抑制上皮间质转化(EMT)并逆转子宫内膜癌中的孕激素抵抗

DOI:
10.1002/cam4.2317
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发表时间:
2019-06
期刊:
影响因子:
4
通讯作者:
Jiang Jie
Jiang Jie
中科院分区:
医学3区
文献类型:
--
作者:
Zhou Qing;Li Wenzhi;Kong Deshui;Liu Zhiming;Shi Zhengzheng;Ma Xiaohong;Li Yongmei;Jiang Jie

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对于希望保留生育能力的子宫内膜癌患者来说,孕激素抵抗限制了孕激素治疗的有效性。为了探讨子宫内膜癌中Streptocin耐药的分子机制,我们对石川和Streptocin耐药细胞IshikawaPR细胞进行了芯片分析。我们发现上皮细胞向间质细胞转化(EMT)参与了孕酮抵抗,腊肠犬家族转录因子1(DACH 1)与孕酮受体(PGR)呈正相关。在石川细胞中,DACH 1的敲低促进了细胞的增殖、转移能力和对胰蛋白酶的抗性。相反,DACH 1在IshikawaPR细胞中的过表达使其对resistin处理更敏感。异种移植模型试验也有类似的结果。此外,我们的数据表明,DACH 1过表达抑制EMT,并降低c-Jun,Notch 1和Hes 1的表达。本研究首次证实EMT参与了EC对Estin的耐药。DACH 1抑制EMT可通过Notch 1途径通过c-Jun保留对c-Jun的应答。
Progestin resistance limits the effectiveness of progestin therapy in endometrial carcinoma for patients who desire to preserve fertility. To investigate the molecular mechanism of progestin resistance in endometrial carcinoma, we performed microarray analysis among Ishikawa and progestin resistant cell IshikawaPR cells. We found that epithelial to mesenchymal transition (EMT) was involved in progestin resistance and dachshund family transcription factor 1 (DACH1) is positively correlated with progesterone receptor (PGR). Knockdown of DACH1 in Ishikawa cell promoted proliferation, metastasis ability, and resistance to progestin. Conversely, overexpression of DACH1 in IshikawaPR cell rendered more sensitive to progestin treatment. Xenograft model assay also had similar results. In addition, our data showed that DACH1 overexpression inhibited EMT and decreased c‐Jun, Notch1 and Hes1expression. Our study demonstrated for the first time that EMT is involved in progestin resistance of EC. The response to progestin could be reserved by DACH1 suppressed EMT through Notch1 pathway via c‐Jun.
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