Abstract:
:Molecular mechanisms associated with tumor metastasis remain poorly understood. Here we report that acquired expression of periostin by colon cancer cells greatly promoted metastatic development of colon tumors. Periostin is overexpressed in more than 80% of human colon cancers examined with highest expression in metastatic tumors. Periostin expression dramatically enhanced metastatic growth of colon cancer by both preventing stress-induced apoptosis in the cancer cells and augmenting endothelial cell survival to promote angiogenesis. At the molecular level, periostin activated the Akt/PKB signaling pathway through the alpha(v)beta(3) integrins to increase cellular survival. These data demonstrated that the survival-promoting function is crucial for periostin to promote tumor metastasis of colon cancer.
journal_name
Cancer Celljournal_title
Cancer cellauthors
Bao S,Ouyang G,Bai X,Huang Z,Ma C,Liu M,Shao R,Anderson RM,Rich JN,Wang XFdoi
10.1016/s1535-6108(04)00081-9keywords:
subject
Has Abstractpub_date
2004-04-01 00:00:00pages
329-39issue
4eissn
1535-6108issn
1878-3686pii
S1535610804000819journal_volume
5pub_type
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