Abstract:Objective: To investigate the hepatitis B virus (HBV)-DNA load and expression levels of serum surface antigen (HBsAg), miR-122 and miR-21 in patients with chronic hepatitis B (CHB) and study their correlation. Methods: A total of 120 CHB patients admitted from December 2019 to July 2024 were selected and divided into low load group (n=52) and high load group (n=68) according to different HBV-DNA loads, and the HBV-DNA load and expression levels of HBsAg, miR-122 and miR-21 were compared between groups. Pearson method was used to analyze the correlation between HBV-DNA load and HBsAg, miR-122 and miR-21 expression levels. The patients were classified into mild group (n=48) and moderate-to-severe group (n=72) according to the inflammation grading of liver histopathological diagnostic criteria, and the HBV-DNA load and HBsAg, miR-122 and miR-21 expression levels were compared. Binary logistics equation analysis was used to analyze the related influencing factors affecting the inflammatory activity of liver tissue. ROC curve was used to analyze the diagnostic value of HBV-DNA load, HBsAg, miR-122 and miR-21 on the inflammatory activity of liver tissue. Results: The miR-122 and miR-21 in high load group were significantly higher than those in low load group (P<0.05). Pearson correlation analysis showed that the expression levels of HBsAg, miR-122 and miR-21 were positively correlated with HBV-DNA load (P<0.05). The HBV-DNA load and HBsAg, miR-122 and miR-21 expression levels were significantly higher in moderate-to-severe group than those in mild group (P<0.05). The results of multiple logistic regression analysis show that HBV-DNA load and HBsAg, miR-122 and miR-21 expression levels were correlated with hepatitis activity (P<0.05). The AUCs of HBV-DNA load, HBsAg, miR-122 and miR-21 in predicting liver tissue inflammatory activity were 0.918, 0.706, 0.768, and 0.749, respectively. The AUC of the four combined diagnosis of liver tissue inflammatory activity was 0.960, and the combined diagnostic value was higher. Conclusion: Severe CHB is characterized by high HBV-DNA load, serum surface antigen, miR-122 and miR-21, and these indicators are expected to be biomarkers for predicting inflammatory activity of liver tissue.
刘丽娜, 梁永纲, 李丽. 慢性乙型肝炎患者HBV-DNA载量血清表面抗原miR-122miR-21表达水平及其临床应用价值[J]. 河北医学, 2025, 31(11): 1907-1912.
LIU Lina, LIANG Yonggang, LI Li. Study on HBV-DNA Load Serum Surface Antigen miR-122 and miR-21 Expression Levels and Their Correlation in Patients with Chronic Hepatitis B. HeBei Med, 2025, 31(11): 1907-1912.
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