eIF4E binding protein 1 expression is associated with clinical survival outcomes in colorectal cancer

Min Wu Chao, Li Ting Wang, Chin Yu Lai, Xiao Ming Yang, Ya Wen Cheng, Kuo Hsiung Lee, Shiow Lin Pan, Che Ming Teng

研究成果: 雜誌貢獻文章

10 引文 (Scopus)

摘要

eIF4E binding protein 1 (4E-BP1), is critical for cap-dependent and cap-independent translation. This study is the first to demonstrate that 4E-BP1 expression correlates with colorectal cancer (CRC) progression. Compared to its expression in normal colon epithelial cells, 4E-BP1 was upregulated in CRC cell lines and was detected in patient tumor tissues. Furthermore, high 4E-BP1 expression was statistically associated with poor prognosis. Hypoxia has been considered as an obstacle for cancer therapeutics. Our previous data showed that YXM110, a cryptopleurine derivative, exhibited anticancer activity via 4E-BP1 depletion. Here, we investigated whether YXM110 could inhibit protein synthesis under hypoxia. 4E-BP1 expression was notably decreased by YXM110 under hypoxic conditions, implying that cap-independent translation could be suppressed by YXM110. Moreover, YXM110 repressed hypoxia-inducible factor 1a (HIF- 1α) expression, which resulted in decreased downstream vascular endothelial growth factor (VEGF) expression. These observations highlight 4E-BP1 as a useful biomarker and therapeutic target, indicating that YXM110 could be a potent CRC therapeutic drug.
原文英語
頁(從 - 到)24092-24104
頁數13
期刊Oncotarget
6
發行號27
DOIs
出版狀態已發佈 - 2015

指紋

Colorectal Neoplasms
Carrier Proteins
Survival
Vascular Endothelial Growth Factor A
YXM110
Neoplasms
Colon
Therapeutics
Biomarkers
Epithelial Cells
Cell Line
Pharmaceutical Preparations
Hypoxia
Proteins

ASJC Scopus subject areas

  • Oncology

引用此文

Chao, M. W., Wang, L. T., Lai, C. Y., Yang, X. M., Cheng, Y. W., Lee, K. H., ... Teng, C. M. (2015). eIF4E binding protein 1 expression is associated with clinical survival outcomes in colorectal cancer. Oncotarget, 6(27), 24092-24104. https://doi.org/10.18632/oncotarget.4483

eIF4E binding protein 1 expression is associated with clinical survival outcomes in colorectal cancer. / Chao, Min Wu; Wang, Li Ting; Lai, Chin Yu; Yang, Xiao Ming; Cheng, Ya Wen; Lee, Kuo Hsiung; Pan, Shiow Lin; Teng, Che Ming.

於: Oncotarget, 卷 6, 編號 27, 2015, p. 24092-24104.

研究成果: 雜誌貢獻文章

Chao, MW, Wang, LT, Lai, CY, Yang, XM, Cheng, YW, Lee, KH, Pan, SL & Teng, CM 2015, 'eIF4E binding protein 1 expression is associated with clinical survival outcomes in colorectal cancer', Oncotarget, 卷 6, 編號 27, 頁 24092-24104. https://doi.org/10.18632/oncotarget.4483
Chao, Min Wu ; Wang, Li Ting ; Lai, Chin Yu ; Yang, Xiao Ming ; Cheng, Ya Wen ; Lee, Kuo Hsiung ; Pan, Shiow Lin ; Teng, Che Ming. / eIF4E binding protein 1 expression is associated with clinical survival outcomes in colorectal cancer. 於: Oncotarget. 2015 ; 卷 6, 編號 27. 頁 24092-24104.
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