收稿日期: 2024-03-07
网络出版日期: 2024-07-30
基金资助
科技部国家重点研发计划项目(ZYY20190328);江苏省科技项目(BE2022726)
Expression of miR⁃34c and miR⁃29b in peripheral blood of patients with sensorineural deafness and clinical significance
Received date: 2024-03-07
Online published: 2024-07-30
目的 探讨感音神经性耳聋（SNHL）患者外周血miR-34c、miR-29b的表达情况及临床意义。 方法 筛选2020年6月至2023年6月我院收治的神经性耳聋患者140例为观察组，同期选取体检健康者40例为对照组。根据听力损伤情况将SNHL患者分为轻度耳聋组63例，中度耳聋组42例，重度耳聋组35例。采用qRT-PCR检测miR-34c、miR-29b的表达，并检测VEGF、氧化应激水平（TAC、SOD、MDA）、NO和Cx26；采用Pearson检验进行相关性分析，采用logistic回归分析SNHL病情严重程度的独立危险因素，采用ROC曲线评估miR-34c、miR-29b对SNHL患者病情严重程度的预测价值。 结果 4组NO、TAC、SOD、Cx26水平比较，重度耳聋组 < 中度耳聋组 < 轻度耳聋组 < 对照组（P < 0.05）；VEGF和MDA水平比较，重度耳聋组 > 中度耳聋组 > 轻度耳聋组 > 对照组（P < 0.05）。4组miR-34c mRNA和miR-29b mRNA表达水平比较，重度耳聋组 > 中度耳聋组 > 轻度耳聋组 > 对照组（P < 0.05）。Pearson相关分析显示，SNHL患者外周血miR-34c、miR-29b与VEGF、MDA呈正相关，与NO、TAC、SOD、Cx26呈负相关（P < 0.05）。多因素logistic回归分析显示，VEGF、MDA、NO、Cx26、TAC、SOD、miR-34c、miR-29b是影响SNHL病情严重程度的独立因素。 结论 miR-34c、miR-29b在SNHL患者中过表达，可作为预测评估SNHL患者病情严重程度的血清标志物。
李瀛 , 罗颜 , 李文全 , 罗蔚锋 . 感音神经性耳聋患者外周血miR-34c、miR-29b的表达及意义[J]. 实用医学杂志, 2024 , 40(15) : 2105 -2109 . DOI: 10.3969/j.issn.1006-5725.2024.15.010
Objective To investigate the expression and clinical significance of miR-34c and miR-29b in peripheral blood of patients with sensorineural hearing loss. Methods 140 patients with neurological deafness admitted to our hospital from June 2020 to June 2023 were included in the study group， and 40 healthy subjects were included in the control group during the same period. SNHL patients were categorized into 63 cases in the mildly deaf group， 42 cases in the moderately deaf group， and 35 cases in the severely deaf group according to their hearing impairment. The expressions of miR-34c and miR-29b were detected by qRT-PCR， and VEGF， oxidative stress （TAC， SOD， MDA）， NO and Cx26 were detected. Correlation analysis was performed by Pearson test， independent risk factors for SNHL severity were calculated by logistics regression algorithm， and the predictive value of miR-34c and miR-29b on the severity of SNHL patients was evaluated by ROC curve. Results Comparing the levels of NO， TAC， SOD， and Cx26 among the four groups， severe deafness group < moderate deafness group < mild deafness group < control group （P < 0.05）； comparing the levels of VEGF and MDA， severe deafness group > moderate deafness group > mild deafness group > control group （P < 0.05）. Comparison of miR-34c mRNA and miR-29b mRNA expression levels among the four groups， severe deafness group > moderate deafness group > mild deafness group > control group （P < 0.05）. Pearson's test showed that SNHL patients' peripheral blood miR-34c and miR-29b were positively correlated with VEGF and MDA， and were negatively correlated with NO， TAC， SOD and Cx26 （P < 0.05）. negative correlation （P < 0.05）. Multifactorial logistic regression analysis showed that VEGF， MDA， NO， Cx26， TAC， SOD， miR-34c， miR-29b were independent factors affecting the severity of SNHL. Conclusion miR-34c and miR-29b are overexpressed in SNHL patients and can be used as serum markers for predictive assessment of disease severity in SNHL patients.
Key words： miR-34c; miR-29b; sensorineural deafness; correlation
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