DJ-1 promotes colorectal cancer progression through activating PLAGL2/Wnt/BMP4 axis.

DJ-1 promotes colorectal cancer progression through activating PLAGL2/Wnt/BMP4 axis.
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DJ-1通过激活PLAGL2/Wnt/BMP4轴促进结直肠癌进展

DOI:
10.1038/s41419-018-0883-4
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发表时间:
2018-08-29
影响因子:
9
通讯作者:
Lei Y
Lei Y
中科院分区:
生物学1区
文献类型:
--
作者:
Zhou J;Liu H;Zhang L;Liu X;Zhang C;Wang Y;He Q;Zhang Y;Li Y;Chen Q;Zhang L;Wang K;Bu Y;Lei Y

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转移是结直肠癌临床治疗的一大障碍。我们先前的蛋白质组学分析确定DJ-1为CRC的潜在转移生物标志物。在这项研究中,我们发现DJ-1在CRC中上调。DJ-1的水平与浸润深度和预测患者预后密切相关。DJ-1的增强表达可通过刺激Wnt-β-catenin信号通路促进结直肠癌的增殖和转移。具体而言,DJ-1诱导的β-catenin核转位刺激TCF转录活性,其分别促进BMP 4表达以促进CRC细胞迁移和侵袭,以及提高CCND 1表达以促进CRC细胞增殖。此外,DJ-1诱导的Wnt信号转导激活依赖于PLAGL 2表达。总之,我们的研究表明DJ-1可以通过激活PLAGL 2-Wnt-BMP 4轴促进CRC转移,这为CRC患者的术后辅助治疗提供了新的治疗机会。
Metastasis remains a big barrier for the clinical treatment of colorectal cancer (CRC). Our previous proteomics analysis identified DJ-1 as a potential metastasis biomarker of CRC. In this study, we found that DJ-1 was upregulated in CRC. The levels of DJ-1 were closely correlated with the depths of invasion and predicted patient outcome. Enforced expression of DJ-1 could enhance CRC proliferation and metastasis in vitro and in vivo by stimulating Wnt-β-catenin signaling. Specifically, DJ-1-induced β-catenin nuclear translocation stimulated TCF transcription activity, which promoted BMP4 expression for CRC cell migration and invasion, and elevated CCND1 expression for CRC cell proliferation, respectively. Furthermore, DJ-1-induced Wnt signaling activation was dependent on PLAGL2 expression. In conclusion, our study demonstrates that DJ-1 can promote CRC metastasis by activating PLAGL2–Wnt–BMP4 axis, suggesting novel therapeutic opportunities for postoperative adjuvant therapy in CRC patients.
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