Abstract:
:The adhesion of cancer cells to the extracellular matrix (ECM) is crucial for cell proliferation, survival, and metastasis. Thus, it is necessary to inhibit cell-ECM adhesion by blocking the activation of the associated signaling to control cancer. Here, we identify erybraedin A (EBA) as a potential Src inhibitor that blocks cell adhesion and viability in non-small-cell lung cancer (NSCLC). EBA significantly inhibited the adhesion of NSCLC cells to fibronectin. EBA also markedly inhibited the activation of Src and its downstream targets, including FAK and Akt. The interaction between integrin β1 or integrin β3 and Src was inhibited by EBA treatment. A docking study revealed the bindings of EBA to the ATP-binding pocket and the allosteric regulatory site of the Src kinase. Additionally, EBA markedly inhibited the viability and the colony formation of NSCLC cells and induced apoptotic cell death. These results describe novel biological properties of EBA, which can block the Src-mediated adhesion and survival of NSCLC cells, suggesting the potential of EBA as an anticancer Src inhibitor that warrants further development in advanced preclinical and clinical settings.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Min HY,Jung Y,Park KH,Oh WK,Lee HYdoi
10.1016/j.bbrc.2018.05.137subject
Has Abstractpub_date
2018-07-07 00:00:00pages
145-151issue
1eissn
0006-291Xissn
1090-2104pii
S0006-291X(18)31206-3journal_volume
502pub_type
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