Isolevuglandins Scavenger Ameliorates Myocardial Ischemic Injury by Suppressing Oxidative Stress, Apoptosis, and Inflammation.

Isolevuglandins Scavenger Ameliorates Myocardial Ischemic Injury by Suppressing Oxidative Stress, Apoptosis, and Inflammation.
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异evuglandins清除剂通过抑制氧化应激、凋亡和炎症改善心肌缺血损伤。

DOI:
10.3389/fcell.2022.836035
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发表时间:
2022
影响因子:
5.5
通讯作者:
Hu L
Hu L
中科院分区:
生物学2区
文献类型:
--
作者:
Guo J;Xu F;Ji H;Jing Y;Shen L;Weng X;Hu L

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反应性异evuglandins(IsoLGs)水平的增加是心血管疾病的原因。IsoLGs在心肌梗死(MI)中的作用仍然是难以捉摸的。在这里,我们探讨了IsoLGs清除剂2-羟基苄胺(2-HOBA)在梗死后心脏修复中的作用。我们观察到小鼠梗死心肌组织表达高水平的IsoLGs。MI损伤后,与生理盐水治疗组相比,2-HOBA治疗的小鼠显示梗死面积减少,心脏功能改善。此外,2-HOBA有效减轻心肌梗塞诱导的心脏重塑、氧化应激、细胞凋亡和炎症。4-羟基苄胺(4-HOBA),2-HOBA的反应性较低的异构体,几乎没有拮抗MI诱导的损伤。这些发现表明,IsoLGs消除可能有助于MI治疗。
Augmented levels of reactive isolevuglandins (IsoLGs) are responsible for cardiovascular diseases. The role of IsoLGs in myocardial infarction (MI) remains elusive. Here we explored the effect of IsoLGs scavenger 2-hydroxybenzylamine (2-HOBA) in post-infarction cardiac repair. We observed that infarcted cardiac tissues expressed high IsoLGs in mice. Following MI injury, 2-HOBA treated mice displayed decreased infarction area and improved heart function compared with the saline-treated group. Moreover, 2-HOBA effectively attenuated MI-induced cardiac remodeling, oxidative stress, apoptosis, and inflammation. 4-hydroxybenzylamine (4-HOBA), a less reactive isomer of 2-HOBA, barely antagonized the MI-induced injury. These findings suggest that IsoLGs elimination may be helpful in MI therapy.
DOI: 10.1161/circresaha.111.243162
发表时间: 2012-01-06
影响因子: 20.1
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