Publication date: Available online 1 July 2017
Source:Pathology - Research and Practice
Author(s): Li-juan Chen, Xing-ya Li, Yan-qiu Zhao, Wen-jing Liu, Hui-juan Wu, Jie Liu, Xiao-qian Mu, Hong-bo Wu
Brain metastases (BM) are common among patients with non-small cell lung cancer (NSCLC) and have been associated with significant morbidity and limited survival. Early and sensitive detection of BM is essential for improving prognosis. Recently,microRNA-375(miR-375) which is specifically expressed in the brain has been found significantly dysregulated in many human cancers. However, there is still no data whether miR-375 is associated with higher risk of BM development in NSCLC. In this study, we detected the miR-375 expression using quantitative real-time PCR (qRT-PCR) and assessed its predictive and prognostic significance. Our result showed that miR-375 expression was significantly down-regulated in NSCLC patients with BM(BM+, N=30) compared with NSCLC without BM(BM-, N=30) (P<0.001). Statistical analysis indicated that low miR-375 expression was linked to advanced disease stage (P<0.001) and brain metastasis (P<0.001) in NSCLC patient. Survival analysis suggested that low-expression group had significantly shorter overall survival than high-expression group in NSCLC patients with BM(log-rank test: P<0.05) as well as the total cases(log-rank test: P<0.01). Multivariate Cox proportional hazards model analysis indicated that low miR-375 expression was independently linked to poor survival of patients with NSCLC (HR=5.48, 95% CI: 1.93-15.56, P=0.001). In addition, we found that VEGF and MMP-9 were over-expressed in down-regulated miR-375 expression cases. Collectively, this study demonstrated that miR-375 may play an important role as a predictive biomarker in brain metastasis and an independent prognostic factor in NSCLC. Over-expression of VEGF and MMP-9 may be the reason for poor prognosis of NSCLC patients with low miR-375 expression.
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Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com
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Σάββατο 1 Ιουλίου 2017
Down-regulated microRNA-375 expression as a predictive biomarker in non-small cell lung cancer brain metastasis and its prognostic significance
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- Epinephrine use for anaphylaxis: Too seldom, too late
- Effects of allergen sensitization on response to t...
- Epinephrine use for anaphylaxis: Too seldom, too late
- Effects of allergen sensitization on response to t...
- Chinese versus English: Insights on Cognition duri...
- On the role of classical and novel forms of vitami...
- Vitamin D-deficiency and sex-specific dysregulatio...
- Small molecules to the rescue: Inhibition of cytok...
- Serum cytokine profile in pediatric Sweet’s syndro...
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- Contributors
- Contents
- Forthcoming Issues
- Kinase Inhibitors in the Treatment of Myeloid Mali...
- The Treatment of Myeloid Malignancies with Kinase ...
- Tyrosine Kinase Inhibitor Treatment for Newly Diag...
- Mechanisms of Resistance to ABL Kinase Inhibition ...
- Tyrosine Kinase Inhibitors in the Treatment of Eos...
- Muscle synergies reveal impaired trunk muscle coor...
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- Editorial Board
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- A pigmented lesion of the nasopharynx
- Oral shedding of human herpesviruses in renal tran...
- Effect of root canal preparation techniques on chl...
- Editors / Publication Information
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