microRNA-152對(duì)影RAW264.7巨噬細(xì)胞膽固醇蓄積的響及其靶基因驗(yàn)證
[Abstract]:Objective to investigate the effect of micro RNA-152 (mi R-152) on cholesterol accumulation in RAW264.7 macrophages stimulated by ox-LDL and to identify its target gene. Methods Murine RAW264.7 macrophages were divided into two groups (n = 48). After stimulation with ox-LDL for 48 h, the contents of total cholesterol (TC), cholesterol ester (CE) and TC/CE ratio were measured by enzyme fluorescence assay. The downstream target gene of mi R-152 was confirmed by bioinformatics method, double luciferase report and real-time fluorescence quantitative PCR and Western blot. Results compared with the control group, the ratio of TC and CE in macrophages was significantly increased and the expression level of m RNA and protein in ABCAl was significantly decreased in the mi-R-152 group compared with the control group. Conclusion MiR-152 can promote the accumulation of cholesterol in RAW264.7 macrophages induced by ox-LDL, and its mechanism may be related to the targeted regulation of ABCA1.
【作者單位】: 首都醫(yī)科大學(xué)電力教學(xué)醫(yī)院腎內(nèi)科;上海交通大學(xué)醫(yī)學(xué)院附屬第九人民醫(yī)院內(nèi)分泌科;
【基金】:國家自然科學(xué)基金項(xiàng)目(編號(hào):81400802)
【分類號(hào)】:R543.5
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