Cancer cell-autonomous TRAIL-R signaling promotes KRAS-driven cancer progression, invasion, and metastasis.

Cancer cell-autonomous TRAIL-R signaling promotes KRAS-driven cancer progression, invasion, and metastasis.
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DOI:
10.1016/j.ccell.2015.02.014
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发表时间:
2015-04-13
期刊:
影响因子:
50.3
通讯作者:
Walczak H
Walczak H
中科院分区:
医学1区
文献类型:
--
作者:
von Karstedt S;Conti A;Nobis M;Montinaro A;Hartwig T;Lemke J;Legler K;Annewanter F;Campbell AD;Taraborrelli L;Grosse-Wilde A;Coy JF;El-Bahrawy MA;Bergmann F;Koschny R;Werner J;Ganten TM;Schweiger T;Hoetzenecker K;Kenessey I;Hegedüs B;Bergmann M;Hauser C;Egberts JH;Becker T;Röcken C;Kalthoff H;Trauzold A;Anderson KI;Sansom OJ;Walczak H

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Many cancers harbor oncogenic mutations of KRAS. Effectors mediating cancer progression, invasion and metastasis in KRAS-mutated cancers are only incompletely understood. Here we identify cancer cell-expressed murine TRAIL-R, whose main function ascribed so far has been the induction of apoptosis, as a crucial mediator of KRAS-driven cancer progression, invasion and metastasis and in vivo Rac-1 activation. Cancer cell-restricted genetic ablation of murine TRAIL-R in autochthonous KRAS-driven models of non-small cell lung cancer (NSCLC) and pancreatic ductal adenocarcinoma (PDAC) reduces tumor growth, blunts metastasis and prolongs survival by inhibiting cancer cell-autonomous migration, proliferation and invasion. Consistent with this, high TRAIL-R2 expression correlates with invasion of human PDAC into lymph vessels and with shortened metastasis-free survival of KRAS-mutated colorectal cancer patients.
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