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Characterization of Endothelial Cells Associated with Cerebral Arteriovenous Malformation.


ABSTRACT: Introduction:Cerebral arteriovenous malformation (cAVM) is a disease characterized by the angiogenesis and remodeling of veins. However, whether vascular endothelial cells (ECs) exhibit morphological and functional changes during cAVM remains unclear. This study aimed to investigate the role of ECs in the pathogenesis of cAVM. Methods:Rat model of cAVM was established by anastomosing the common carotid artery with the external jugular vein. The digital subtraction angiography (DSA), HE, Masson and immunohistochemical staining were performed to evaluate the model. ECs were isolated from AVM rat model or control rats, and characterized by MTT, cell scratch, and tube formation assays. The secretion of vascular endothelial growth factor (VEGF) was detected by ELISA. Results:AVM rat model showed typical pathological characteristics of cAVM. In addition, the proliferation, migration and tube formation abilities of ECs of arterialized vein (AV-ECs) were significantly better than those of ECs of normal vein (NV-ECs). Moreover, the levels of secreted VEGF were significantly higher in AV-ECs than in NV-ECs. Conclusion:AV-ECs isolated from AVM rat model showed increased proliferation, migration and angiogenesis and may be potential target for the treatment of cAVM.

SUBMITTER: Jia YC 

PROVIDER: S-EPMC7182449 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Characterization of Endothelial Cells Associated with Cerebral Arteriovenous Malformation.

Jia Yu-Chen YC   Fu Jia-Yue JY   Huang Ping P   Zhang Zhan-Pu ZP   Chao Bo B   Bai Jie J  

Neuropsychiatric disease and treatment 20200420


<h4>Introduction</h4>Cerebral arteriovenous malformation (cAVM) is a disease characterized by the angiogenesis and remodeling of veins. However, whether vascular endothelial cells (ECs) exhibit morphological and functional changes during cAVM remains unclear. This study aimed to investigate the role of ECs in the pathogenesis of cAVM.<h4>Methods</h4>Rat model of cAVM was established by anastomosing the common carotid artery with the external jugular vein. The digital subtraction angiography (DSA  ...[more]

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