Perivascular Inflammation in Pulmonary Arterial Hypertension.

Perivascular Inflammation in Pulmonary Arterial Hypertension.
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肺动脉高压的血管周围炎症。

DOI:
10.3390/cells9112338
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发表时间:
2020-10-22
期刊:
影响因子:
6
通讯作者:
Goldenberg NM
Goldenberg NM
中科院分区:
生物学2区
文献类型:
--
作者:
Hu Y;Chi L;Kuebler WM;Goldenberg NM

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在大多数肺动脉高压(PH)动物模型和肺动脉高压(PAH)患者中,血管周围炎症是一个突出的病理特征。越来越多的证据表明,血管周围炎症在PAH的发生和/或进展以及肺血管重构中的功能作用。高水平的细胞因子、趋化因子和炎症介质可以在PAH患者中检测到,并与临床结果相关。同样,在PAH中,多种免疫细胞,包括中性粒细胞、巨噬细胞、树突状细胞、肥大细胞、T淋巴细胞和B淋巴细胞,特征性地积聚在肺血管周围。同时,血管和实质细胞(包括内皮细胞、平滑肌细胞和成纤维细胞)改变其表型,导致对炎症触发因素的敏感性改变,自身进行炎症反应的能力增强,以及细胞因子和趋化因子的活跃分泌。越来越多的人认识到炎症细胞、血管细胞和炎症介质之间的相互作用,可能为开发新型、安全、有效的PAH免疫靶向治疗提供重要线索。
Perivascular inflammation is a prominent pathologic feature in most animal models of pulmonary hypertension (PH) as well as in pulmonary arterial hypertension (PAH) patients. Accumulating evidence suggests a functional role of perivascular inflammation in the initiation and/or progression of PAH and pulmonary vascular remodeling. High levels of cytokines, chemokines, and inflammatory mediators can be detected in PAH patients and correlate with clinical outcome. Similarly, multiple immune cells, including neutrophils, macrophages, dendritic cells, mast cells, T lymphocytes, and B lymphocytes characteristically accumulate around pulmonary vessels in PAH. Concomitantly, vascular and parenchymal cells including endothelial cells, smooth muscle cells, and fibroblasts change their phenotype, resulting in altered sensitivity to inflammatory triggers and their enhanced capacity to stage inflammatory responses themselves, as well as the active secretion of cytokines and chemokines. The growing recognition of the interaction between inflammatory cells, vascular cells, and inflammatory mediators may provide important clues for the development of novel, safe, and effective immunotargeted therapies in PAH.
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