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腹膜透析加剧和加速动脉样硬化在尿性ApoE小鼠

Jamie Kane^1,2,3, Winnie G Vos³, Laura A Bosmans^3,4

¹Department of Nephrology, Amsterdam Cardiovascular Sciences Amsterdam University Medical Centre Amsterdam the Netherlands.

Journal of the American Heart Association

|July 9, 2024

概括

在患有慢性病 (CKD) 的小鼠中,腹腔透析 (PD) 通过激活T细胞使动脉样硬化恶化. 向T细胞炎症可能会减少PD患者的心血管疾病.

科学领域:

心血管生物学心血管生物学
腎臟病學 (nephrology) 是一種醫學.
免疫学免疫学免疫学

背景情况:

动脉样硬化在慢性病 (CKD) 患者中很常见,包括腹透析 (PD) 患者.
皮尔斯顿病可以引起全身炎症,可能使动脉样硬化恶化.
这项研究调查了PD诱导的炎症是否通过免疫细胞激活加剧动脉样硬化.

研究的目的:

为了确定腹腔透析 (PD) 是否在慢性病 (CKD) 的小鼠模型中加剧动脉样硬化.
研究T细胞激活和极化在PD相关动脉样硬化中的作用.

主要方法:

通过5/6切除术建立了CKD的小鼠模型.
给小鼠吃高胆固醇饮食,一些小鼠每天接受PD液体输液.
分析了动脉样硬化斑块的发展和脏和血管组织中的免疫细胞概况.

主要成果:

接受CKD和PD治疗的小鼠表现出更严重的动脉样硬化,有更大,更先进的斑块.
在动脉样硬化斑块中发现了增加的CD3+T细胞和iNOS+免疫细胞.
PD改变了脏中的T细胞种群,促进了炎症的Th1/Th17和CX3CR1+ CD4+ T细胞.

结论:

在尿性小鼠中,PD液体暴露加剧了T细胞驱动的炎症,加剧了动脉样硬化.
肺部疾病促进一种促炎性CD4+T细胞表型 (Th1/Th17) 并增加CX3CR1+T细胞,与血管回归有关.
向CD4+T细胞激活和CX3CR1+两极分化可能会降低PD患者的动脉样硬化.

关键词:

动脉样硬化动脉样硬化慢性脏疾病慢性脏疾病这是一种炎症炎症炎症炎症.脏替代疗法是指脏替代疗法.腹膜透析是指腹膜透析.

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