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Cancer Cell. 2010 Jan 19;17(1):53-64. doi: 10.1016/j.ccr.2009.11.021.

IAP regulation of metastasis.

Author information

  • 1Department of Cancer Biology, Prostate Cancer Discovery and Development Program, University of Massachusetts Medical School, Worcester, MA 01605, USA.

Abstract

Inhibitor-of-Apoptosis (IAP) proteins contribute to tumor progression, but the requirements of this pathway are not understood. Here, we show that intermolecular cooperation between XIAP and survivin stimulates tumor cell invasion and promotes metastasis. This pathway is independent of IAP inhibition of cell death. Instead, a survivin-XIAP complex activates NF-kappaB, which in turn leads to increased fibronectin gene expression, signaling by beta1 integrins, and activation of cell motility kinases FAK and Src. Therefore, IAPs are direct metastasis genes, and their antagonists could provide antimetastatic therapies in patients with cancer.

Copyright (c) 2010 Elsevier Inc. All rights reserved.

PMID:
20129247
[PubMed - indexed for MEDLINE]
PMCID:
PMC2818597
Free PMC Article

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