Vitamin D improves endothelial barrier integrity and counteracts inflammatory effects on endothelial progenitor cells
Vitamin D improves endothelial barrier integrity and counteracts inflammatory effects on endothelial progenitor cells
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维生素 D 改善内皮屏障完整性并抵消内皮祖细胞的炎症影响
DOI:
10.1096/fj.201802750rr
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
von Versen-Höynck F
中科院分区:
文献类型:
--
作者:
Schröder-Heurich B;von Hardenberg S;Brodowski L;Kipke B;Meyer N;Borns K;von Kaisenberg CS;Brinkmann H;Claus P;von Versen-Höynck F
Endothelial colony‐forming cells (ECFCs), a proliferative subpopulation of endothelial progenitor cells, are involved in angiogenesis and endothelial repair. In this study, we investigated endothelial barrier characteristics of ECFCs, whether vitamin D supports cell‐cell adhesion and barrier integrity, and how it affects ECFC mobilization and actin dynamics. Although ECFC barrier was disrupted under inflammatory conditions, this effect was rescued by vitamin D treatment, leading to higher stability of an ECFC monolayer. Furthermore, vitamin D enhanced ECFC mobilization toward directional migration. In addition, immunocytochemistry, quantitative real‐time PCR, and immunoblotting analysis showed that vitamin D increased endothelial interconnections through vascular endothelial Cadherin (VE‐cadherin) junctions and by impacting cell dynamics through cofilin and VE‐cadherin phosphorylation. Our results suggest that vitamin D treatment efficiently counteracts inflammation in an ECFC monolayer, resulting in higher ECFC barrier integrity. This study provides evidence of a new beneficial effect of vitamin D for ECFC homeostasis. —Schröder‐Heurich, B., von Hardenberg, S., Brodowski, L., Kipke, B., Meyer, N., Borns, K., von Kaisenberg, C. S., Brinkmann, H., Claus, P., von Versen‐Höynck, F. Vitamin D improves endothelial barrier integrity and counteracts inflammatory effects on endothelial progenitor cells. FASEB J. 33, 9142–9153 (2019). www.fasebj.org
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