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Berberine-Promoted CXCR4 Expression Accelerates Endothelial Repair Capacity of Early Endothelial Progenitor Cells in Persons with Prehypertension

  • Yi-jia Shao
  • Jun Tao
  • Bing-bo Yu
  • Dan Meng
  • Xu-long Yang
  • Jia-pan Sun
  • Yan-xia Qiu
  • Xiao-yu Zhang
Original Article
  • 22 Downloads

Abstract

Objective

To evaluate whether the berberine treatment can improve endothelial repair capacity of early endothelial progenitor cells (EPCs) from prehypertensive subjects through increasing CXC chemokine receptor 4 (CXCR4) signaling.

Methods

EPCs were isolated from prehypertensive and healthy subjects and cultured. In vivo reendothelialization capacity of EPCs from prehypertensive patients with or without in vitro berberine treatment was examined in a nude mouse model of carotid artery injury. The protein expressions of CXCR4/Janus kinase-2 (JAK-2) signaling of in vitro EPCs were detected by Western blot analysis.

Results

CXCR4 signaling and alteration in migration and adhesion functions of EPCs were evaluated. Basal CXCR4 expression was significantly reduced in EPCs from prehypertensive patients compared with normal subjects (P<0.01). Also, the phosphorylation of JAK-2 of EPCs, a CXCR4 downstream signaling, was significantly decreased (P<0.01). Berberine promoted CXCR4/JAK-2 signaling expression of in vitro EPCs (P<0.01). Transplantation of EPCs pretreated with berberine markedly accelerated in vivo reendothelialization (P<0.01). The increased in vitro function and in vivo reendothelialization capacity of EPCs were inhibited by CXCR4 neutralizing antibody or pretreatment with JAK-2 inhibitor AG490, respectively (P<0.01).

Conclusion

Berberine-modified EPCs via up-regulation of CXCR4 signaling contributes to enhanced endothelial repair capacity in prehypertension, indicating that berberine may be used as a novel potential primary prevention means against prehypertension-related atherosclerotic cardiovascular disease.

Keywords

prehypertension berberine endothelial progenitor cells reendothelialization CXC chemokine receptor 4 

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Copyright information

© Chinese Association of the Integration of Traditional and Western Medicine 2018

Authors and Affiliations

  • Yi-jia Shao
    • 1
  • Jun Tao
    • 1
  • Bing-bo Yu
    • 1
  • Dan Meng
    • 1
  • Xu-long Yang
    • 1
  • Jia-pan Sun
    • 1
  • Yan-xia Qiu
    • 1
  • Xiao-yu Zhang
    • 1
  1. 1.Department of Hypertension and Vascular Diseasethe First Affiliated Hospital of Sun Yat-Sen University, Key Laboratory on Assisted Circulation, Ministry of HealthGuangzhouChina

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