Stat3 and MMP7 contribute to pancreatic ductal adenocarcinoma initiation and progression.

Stat3 and MMP7 contribute to pancreatic ductal adenocarcinoma initiation and progression.
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DOI:
10.1016/j.ccr.2011.03.002
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发表时间:
2011-04-12
期刊:
影响因子:
50.3
通讯作者:
Hebrok M
Hebrok M
中科院分区:
医学1区
文献类型:
--
作者:
Fukuda A;Wang SC;Morris JP 4th;Folias AE;Liou A;Kim GE;Akira S;Boucher KM;Firpo MA;Mulvihill SJ;Hebrok M

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慢性胰腺炎是人类胰腺导管腺癌(PDA)发生的一个众所周知的危险因素,炎症促进了PDA在小鼠模型中的发生和发展。然而,炎性损伤和PDA启动之间的机制联系尚不清楚。利用Kras驱动的PDA小鼠模型,我们建立了炎症介质STAT3是自发的和胰腺炎加速的PDA前体形成的关键成分,并在肿瘤发展过程中支持细胞增殖、化生相关炎症和MMP7的表达。此外,我们发现STAT3信号在PDA细胞中增强了MMP7的表达,并且MMP7的缺失限制了肿瘤的大小和小鼠的转移。最后,我们证明了人类PDA患者的血清MMP7水平与转移疾病和生存期相关。
Chronic pancreatitis is a well-known risk factor for pancreatic ductal adenocarcinoma (PDA) development in humans, and inflammation promotes PDA initiation and progression in mouse models of the disease. However, the mechanistic link between inflammatory damage and PDA initiation is unclear. Using a Kras-driven mouse model of PDA, we establish that the inflammatory mediator Stat3 is a critical component of spontaneous and pancreatitis-accelerated PDA precursor formation and supports cell proliferation, metaplasia associated inflammation, and MMP7 expression during neoplastic development. Furthermore, we show that Stat3 signaling enforces MMP7 expression in PDA cells and that MMP7 deletion limits tumor size and metastasis in mice. Finally, we demonstrate that serum MMP7 level in human PDA patients correlated with metastatic disease and survival.
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发表时间: 2002-01-01
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