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The Expression and Clinical Significance of NAMPT and Mir-206 in Serum of Patients with Chronic Heart Failure |
HA Sigaowa, WU Jisiguleng |
The Affiliated Hospital of Inner Mongolia Medical University, Inner Mongolia Hohhot 010050, China |
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Abstract Objective: To investigate the expression and clinical significance of nicotinamide phosphoribose transferase (NAMPT) and mir-206 in the serum of patients with chronic heart failure. Methods: Seventy-six patients with chronic heart failure who were treated in our hospital from January 2020 to August 2021 were selected as the heart failure group. In addition, 34 healthy people who underwent physical examination in this hospital during the same period were selected as the healthy group. Enzyme-linked immunosorbent assay was used to detect the level of NAMPT in serum, real-time fluorescent quantitative PCR method to detect the level of serum mir-206; the cardiac function of patients was graded, the serum levels of NAMPT and mir-206 in patients with different cardiac function classes were compared, the correlation between NAMPT, mir-206 levels and left ventricular end diastolic diameter (LVEDD), B-type natriuretic peptide (BNP), left ventricular ejection fraction (LVEF) was analyzed, and the receiver operating characteristic curve (ROC) was used to analyze the predictive value of serum NAMPT and mir-206 levels in patients with chronic heart failure.Results: The levels of NAMPT, LVEDD and BNP in the heart failure group were higher than those in the healthy group (P<0.05), and the levels of mir-206 and LVEF were lower than those in the healthy group (P<0.05); the level of NAMPT in serum of patients with chronic heart failure gradually increased with the increase of cardiac function classification (P<0.05), and the level of mir-206 gradually decreased with the increase of cardiac function classification (P<0.05); Pearson results showed that the serum NAMPT level in patients with chronic heart failure was positively correlated with LVEDD and BNP levels (r=0.750, 0.757, P<0.05), and negatively correlated with LVEF level (r=-0.759, P<0.05); serum mir-206 level was negatively correlated with LVEDD and BNP levels (r=-0.775, -0.883, P<0.05), and positively correlated with LVEF level (r=0.819, P<0.05); ROC results showed that the area under the curve (AUC) of serum NAMPT and mir-206 levels predicting chronic heart failure was 0.853 (95% CI: 0.773-0.913) and 0.981 (95% CI: 0.935-0.998), respectively, the corresponding specificity was 61.76% and 97.06%, respectively, the sensitivity was 93.42% and 88.16%, respectively, the AUC of the combination of serum NAMPT and mir-206 predicting chronic heart failure was 0.993, with a specificity of 97.06%, and a sensitivity of 96.05%.Conclusion: The expression level of serum NAMPT in patients with chronic heart failure increases, and the expression level of mir-206 decreases. They are related to the patient's heart function classification, have certain predictive values for the occurrence of chronic heart failure and are expected to become biological indicators for the diagnosis of chronic heart failure.
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