NAD<sup>+</sup>激活SIRT3/IDH2信号通路改善高血压血管内皮功能障碍
目的探讨烟酰胺腺嘌呤二核苷酸在改善高血压血管内皮损伤中的作用及其分子机制。方法利用渗透泵构建高血压小鼠模型,将C57BL/6J小鼠随机分为生理盐水组(Saline)和高血压组(Ang Ⅱ),每天补充NAD<sup>+</sup>前体——烟酰胺单核苷酸(300 mg/kg),4周后检测小鼠血压、内皮舒张功能、脉搏波传导速度。采用迁移实验和划痕实验评估体外内皮细胞功能;采用免疫荧光染色法检测mtROS水平;采用RT-PCR检测mtDNA、SIRT3、异柠檬酸脱氢酶2(IDH2)的mRNA表达;采用酶联免疫吸附法检测8-羟基-2'-脱氧鸟苷的水平;采用Western...
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Main Authors: | 丘雨旻, 陈曦, 张建宁, 刘张弛, 朱秋霞, 张美信, 陶军, 吴杏 |
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Format: | Article |
Language: | zho |
Published: |
Editorial Office of Journal of Sun Yat-sen University
2025-01-01
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Series: | Zhongshan Daxue xuebao. Yixue kexue ban |
Subjects: | |
Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/doi/10.13471/j.cnki.j.sun.yat-sen.univ(med.sci).20241122.001/ |
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