Caveolin-1 contributes to anoikis resistance in human gastric cancer SGC-7901 cells via regulating Src-dependent EGFR-ITGB1 signaling

被引:20
|
作者
Wang, Ke [1 ]
Zhu, Xue [1 ]
Mei, Dan [2 ]
Ding, Zhongyang [2 ]
机构
[1] Jiangsu Inst Nucl Med, Key Lab Nucl Med, Jiangsu Key Lab Mol Nucl Med, Minist Hlth, Wuxi, Peoples R China
[2] Nanjing Univ Chinese Med, Dept Gen Surg, Wuxi TCM Hosp, Wuxi 214071, Jiangsu, Peoples R China
关键词
anoikis resistance; caveolin-1; epidermal growth factor receptor-integrin signaling; gastric cancer; PROGRESSION; METASTASIS; ACTIVATION; EGFR; EXPRESSION; MIGRATION; PATHWAY;
D O I
10.1002/jbt.22202
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Anoikis resistance is considered to be an essential prerequisite of tumor metastasis and which is an important mechanism in the metastatic process of gastric cancer (GC). Caveolin-1 (CAV-1), a protein component of caveolae, has been reported to regulate several cancer cell behaviors including anoikis resistance. However, the role of CAV-1 in the acquisition of anoikis resistance in GC cells has never been explored. In this study, we investigated the promoting effect of CAV-1 on anchorage-independent growth and anoikis resistance, and the involvement of the related signaling pathways in such process in SGC-7901 cells. The results showed that CAV-1 could promote anchorage-independent growth and anoikis resistance in detached SGC-7901 cells, which was associated with the activation of Src-dependent epidermal growth factor receptor-integrin signaling as well as the phosphorylation of PI3K/Akt and MEK/ERK signaling pathways. The data from this study might contribute to the in-depth understanding of the metastatic mechanism for GC.
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页数:7
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