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KMID : 0923620230230040034
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Immune Network
2023 Volume.23 No. 4 p.34 ~ p.34
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Tumor Promoting Function of DUSP10 in Non-Small Cell Lung Cancer Is Associated With Tumor-Promoting Cytokines
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Kim Hee-Young
Chin Wen Png
Moon Jeong-Yong
Heng Li
Chenchen Zhu
Guiping Chen
Chuan Xu
Yongliang Zhang
Xiaohong Xu
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Abstract
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Lung cancer, particularly non-small cell lung cancer (NSCLC) which contributes more than 80% to totally lung cancer cases, remains the leading cause of cancer death and the 5-year survival is less than 20%. Continuous understanding on the mechanisms underlying the pathogenesis of this disease and identification of biomarkers for therapeutic application and response to treatment will help to improve patient survival. Here we found that a molecule known as DUSP10 (also known as MAPK phosphatase 5) is oncogenic in NSCLC. Overexpression of DUSP10 in NSCLC cells resulted in reduced activation of ERK and JNK, but increased activation of p38, which was associated with increased cellular growth and migration. When inoculated in immunodeficient mice, the DUSP10-overexpression NSCLC cells formed larger tumors compared to control cells. The increased growth of DUSP10-overexpression NSCLC cells was associated with increased expression of tumor-promoting cytokines including IL-6 and TGFβ. Importantly, higher DUSP10 expression was associated with poorer prognosis of NSCLC patients. Therefore, DUSP10 could severe as a biomarker for NSCLC prognosis and could be a target for development of therapeutic method for lung cancer treatment.
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KEYWORD
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Dual specificity phosphatase, Non-small cell lung cancer, Mitogen-activated protein kinases, Cytokine
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