期刊
ONCOTARGET
卷 7, 期 26, 页码 40377-40386出版社
IMPACT JOURNALS LLC
DOI: 10.18632/oncotarget.9750
关键词
non-small cell lung cancer; ERK1/2; MMP9; SIRT6; biomarker
资金
- Science and Technology Planning Project of Guangdong Province, China [2009 B03081171]
- Science and Technology Planning Project of Guangzhou Science and Technology Council [09A7d2060166]
- Natural Science Foundation of China [81460444]
- National Natural Science Foundation of China [81502492]
- Natural Science Funds of Jiangxi Province [20151511010007]
Sirtuin6 (SIRT6), a member of the sirtuins protein family, plays multiple complex roles in cancer. Here, we report that elevated SIRT6 expression was correlated with clinicopathological parameters such as T and N classification in non-small cell lung cancer (NSCLC) patient tumors. SIRT6 overexpression in NSCLC cell lines increased extracellular signal-regulated kinase (p-ERK) 1/2 phosphorylation, activated matrix metalloproteinase 9 (MMP9) and promoted tumor cell migration and invasion. Upon treatment with a specific mitogen-activated protein kinase (MEK) 1/2 inhibitor, these effects were abolished. Our results demonstrate SIRT6 upregulation in NSCLC for the first time and suggest a functional role for SIRT6 in promoting migration and invasion through ERK1/2/MMP9 signaling. SIRT6 may serve as a potential therapeutic target in NSCLC and its utility as a prognostic indicator warrants further study.
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