Molecular Biology Reports

, Volume 39, Issue 4, pp 4445–4454

Apolipoprotein A-I mimetic peptide D-4F promotes human endothelial progenitor cell proliferation, migration, adhesion though eNOS/NO pathway

  • Zhengang Zhang
  • Jianhua Qun
  • Chunmei Cao
  • Jun Wang
  • Wei Li
  • Yong Wu
  • Lin Du
  • Pei Zhao
  • Kaizheng Gong
Article

DOI: 10.1007/s11033-011-1233-0

Cite this article as:
Zhang, Z., Qun, J., Cao, C. et al. Mol Biol Rep (2012) 39: 4445. doi:10.1007/s11033-011-1233-0

Abstract

Circulating endothelial progenitor cells (EPCs) have a critical role in endothelial maintenance and repair. Apolipoprotein A-I mimetic peptide D-4F has been shown to posses anti-atherogenic properties via sequestration of oxidized phospholipids, induction of remodeling of high density lipoprotein and promotion of cholesterol efflux from macrophage-derived foam cells. In this study, we test the effects of D-4F on EPC biology. EPCs were isolated from the peripheral venous blood of healthy male volunteers and characterized by 1,1′-dioctadecyl-3,3,3′,3′-tetramethylindocarbocyanine-labeled acetylated LDL uptake and ulex europaeus agglutinin binding and flow cytometry. Cell proliferation, migration, adhesion, nitric oxide production and endothelial nitric oxide synthase (eNOS) expression in the absence and presence of D-4F or simvastatin (as a positive control), were assayed. We demonstrated that D-4F significantly enhanced EPC proliferation, migration and adhesion in a dose-dependent manner compared with vehicle. However, all of the favorable effects of D-4F on EPCs were dramatically attenuated by preincubation with NOS inhibitor L-NAME. Further, D-4F also increased nitric oxide production in culture supernatant and the levels of eNOS expression and phosphorylation. The stimulatory effects of D-4F (10 μg/ml) on EPC biology were comparable to 0.5 μM simvastatin. These results suggest that eNOS/NO pathway mediates the functional modulation of EPC biology in response to D-4F treatment and support the notion that the beneficial role of D-4F on EPCs may be one of the important components of its anti-atherogenic potential.

Keywords

Apolipoprotein A-I D-4F Endothelial progenitor cells Nitric oxide Endothelial nitric oxide synthase 

Supplementary material

11033_2011_1233_MOESM1_ESM.doc (33 kb)
Supplementary material 1 (DOC 35 kb)

Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Zhengang Zhang
    • 1
    • 2
  • Jianhua Qun
    • 1
  • Chunmei Cao
    • 1
  • Jun Wang
    • 1
  • Wei Li
    • 1
  • Yong Wu
    • 1
  • Lin Du
    • 1
  • Pei Zhao
    • 1
  • Kaizheng Gong
    • 1
    • 3
  1. 1.Department of CardiologyThe Second Clinic Medical College, Yangzhou UniversityYangzhouChina
  2. 2.Institute of Cardiovascular Disease (Yangzhou)Southeast UniversityYangzhouChina
  3. 3.YangzhouChina

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