Abstract:Objective To study the expression level of serum microRNA-127-3P (miR-127-3p) in patients with primary liver cancer and its diagnostic value in patients with primary liver cancer. Methods A total of 93 patients with primary liver cancer who treated in Bazhong Central Hospital of Sichuan Province (“our hospital” for short) from June 2018 to May 2019 as primary liver cancer group. In addition, 60 healthy volunteers who underwent physical examination in our hospital during the same period were selected as control group. Real-time quantitative PCR was used to detect the relative expression level of serum miR-127-3p, and its value in the diagnosis of primary liver cancer was analyzed. Results The relative expression level of serum miR-127-3p in primary liver cancer group was lower than that of control group, and the difference was highly statistically significant (P < 0.01). The relative expression levels of serum miR-127-3p in patients with different cell differentiation, TNM stage and lymph node metastasis showed high statistical significance (all P < 0.01). The cut-off value of serum miR-127-3p relative expression in the diagnosis of primary liver cancer was 0.420, AUC was 0.793 (95%CI: 0.758-0.816, P < 0.01), the sensitivity and specificity were 0.860 and 0.850, respectively. Conclusion The expression of serum miR-127-3p in patients with primary liver cancer is low. There are differences in TNM stage, cell differentiation degree and lymph node metastasis, which can be used as a molecular marker for the diagnosis of primary liver cancer.
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