The HIF target MAFF promotes tumor invasion and metastasis through IL11 and STAT3 signaling.

The HIF target MAFF promotes tumor invasion and metastasis through IL11 and STAT3 signaling.
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HIF 靶标 MAFF 通过 IL11 和 STAT3 信号传导促进肿瘤侵袭和转移。

DOI:
10.1038/s41467-021-24631-6
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发表时间:
2021-07-14
影响因子:
16.6
通讯作者:
Giaccia AJ
Giaccia AJ
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Moon EJ;Mello SS;Li CG;Chi JT;Thakkar K;Kirkland JG;Lagory EL;Lee IJ;Diep AN;Miao Y;Rafat M;Vilalta M;Castellini L;Krieg AJ;Graves EE;Attardi LD;Giaccia AJ

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缺氧在肿瘤进展包括侵袭和转移中起关键作用。为了确定受缺氧调控促进侵袭转移的关键基因,我们筛选了50个缺氧诱导基因,研究它们对侵袭的影响。在这项研究中,我们发现v-maf肌肉腱神经纤维肉瘤癌基因同源物F (MAFF)是肿瘤侵袭的有效调节剂,而不影响细胞活力。MAFF表达在转移性乳腺癌患者中升高,并与低氧肿瘤特异性相关。ChIP-和rna -联合测序鉴定出IL11是MAFF和BACH1之间异源二聚体的直接转录靶点,导致STAT3信号的激活。抑制IL11导致的转移抑制水平与抑制MAFF相似。本研究证实了MAFF作为乳腺癌中il - 11/STAT3通路的激活剂的致癌作用。缺氧在肿瘤进展包括侵袭和转移中起关键作用。在这里,作者筛选了几个缺氧诱导基因,并确定了MAFF在乳腺癌转移中的致癌作用,并激活了IL11/STAT3通路。
Hypoxia plays a critical role in tumor progression including invasion and metastasis. To determine critical genes regulated by hypoxia that promote invasion and metastasis, we screen fifty hypoxia inducible genes for their effects on invasion. In this study, we identify v-maf musculoaponeurotic fibrosarcoma oncogene homolog F (MAFF) as a potent regulator of tumor invasion without affecting cell viability. MAFF expression is elevated in metastatic breast cancer patients and is specifically correlated with hypoxic tumors. Combined ChIP- and RNA-sequencing identifies IL11 as a direct transcriptional target of the heterodimer between MAFF and BACH1, which leads to activation of STAT3 signaling. Inhibition of IL11 results in similar levels of metastatic suppression as inhibition of MAFF. This study demonstrates the oncogenic role of MAFF as an activator of the IL11/STAT3 pathways in breast cancer. Hypoxia plays a critical role in tumor progression including invasion and metastasis. Here, the authors screened several hypoxia inducible genes and identified the oncogenic role of MAFF in breast cancer metastasis and that it activates IL11/STAT3 pathway.
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