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- W3029562429 abstract "ObjectiveTo investigate the differences of miRNA-21 and miRNA-146a expression between colorectal neoplasms tissues and serum of the patients with colorectal neoplasm, and the clinical significance was analyzed.MethodsThe endoscopic biopsy tissues and serum samples of 100 colorectal cancer (CRC), 80 colorectal adenoma (CRA) patients and 65 healthy controls were collected. The expressions of miRNA-21 and miRNA-146a were detected by quantitative real time polymerase chain reaction. The relationship between the expression and clinicopathological features were analyzed. And then, the diagnostic value of expression difference of serum miRNA in colorectal neoplasm were evaluated. The Mann-Whitney U test and Kruskal-Wallis test were performed for comparisons between groups, and the correlation of miRNA expression between tissues and serum was analyzed by Spearman test.ResultsThe expressions of miRNA-21 in the tissues of CRC and CRA were 8.573±0.898 and 7.746±1.183, respectively, which were significantly higher than that of healthy controls 6.160±0.835 (U=120.129 and 33.230, both P 0.05). The expression of miRNA-146a in the tissues and serum of CRC patients were both lower than those of CRA patients (U=73.809 and 21.123, both P<0.01). The degree of decreased expression of miRNA-146a in CRC patients was correlated with TNM staging and tumor differentiation degree, however there was no correlation between the expression in CRA and clinical features. According to receiver operating characteristic (ROC) curve analysis, the AUC of miRNA-21, miRNA-146a and a combination of them in CRC and health individuals was 0.889, 0.791 and 0.863, respectively; in CRA and health individuals was 0.784, 0.692 and 0.761, respectively; in CRC and CRA was 0.705, 0.820 and 0.713, respectively.ConclusionThe different expressions of miRNA-21 and miRNA-146a had potential values in early detection of colorectal cancer.Key words: microRNA; microRNA-21; microRNA-146a; Colorectal neoplasms; Tissues; Serum; Real-time polymerase chain reaction" @default.
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- W3029562429 date "2015-07-15" @default.
- W3029562429 modified "2023-09-24" @default.
- W3029562429 title "Expressions and its clinical significance of microRNA-21 and microRNA-146a in colorectal neoplasms" @default.
- W3029562429 doi "https://doi.org/10.3760/cma.j.issn.0254-1432.2015.07.012" @default.
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