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Molecular and Cellular Biochemistry

, Volume 393, Issue 1–2, pp 199–207 | Cite as

ZNF580 mediates eNOS expression and endothelial cell migration/proliferation via the TGF-β1/ALK5/Smad2 pathway

  • Yuyu Luo
  • Ying Zhao
  • Xiaodong Li
  • Juan Zhao
  • Wencheng Zhang
Article

Abstract

ZNF580 is a novel C2H2 zinc-finger nuclear transcription factor with potential involvement in the transforming growth factor-β1 (TGF-β1) signal transduction pathway. Emerging evidence suggests that TGF-β1 can regulate endothelial nitric oxide synthase (eNOS) expression in endothelial cells. This study aimed to determine if ZNF580 mediated eNOS expression and participated in endothelial cell migration and proliferation via the TGF-β1/Smad2/ZNF580/eNOS signaling pathway. Overexpression/downexpression of ZNF580 in EAhy926 cells leads to the enhancement/decrease of eNOS expression. TGF-β1 downregulated both ZNF580 and eNOS at the mRNA and protein levels in concentration- and time-dependent manners. ZNF580 and eNOS downregulation induced by TGF-β1 was blocked by the specific TGF-β1 type I receptor ALK5 inhibitor, SB431542. Overexpression of ZNF580 attenuated TGF-β1-induced inhibition of EAhy926 cell growth and mobility, and vice versa. These results suggest that ZNF580 mediates eNOS expression and endothelial cell migration/proliferation via the TGF-β1/ALK5/Smad2 pathway, and thus plays a crucial role in vascular endothelial cells.

Keywords

ZNF580 Endothelial nitric oxide synthase Transforming growth factor-β1 Endothelial cell 

Abbreviations

TGF-β

Transforming growth factor-β

FBS

Fetal bovine serum

GAPDH

Glyceraldehyde-3-phosphate dehydrogenase

RNAi

RNA interference

GFP

Green fluorescent protein

eNOS

Endothelial nitric oxide synthase

PCR

Polymerase chain reaction

AS

Atherosclerosis

Notes

Acknowledgments

We are grateful to Dr. Thomas Michel (Brigham and Women’s Hospital, Boston, MA, USA) for the generous gifts of the plasmids pGL3-basic and human pGL3-eNOS-Luc. This project was supported by the National Natural Science Foundation of China Grants (No. 81170106, No. 81200223) and Science Foundation of Logistics University CPAF (No. WHB201207).

Conflict of interest

No competing financial interests exist.

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Yuyu Luo
    • 1
    • 2
  • Ying Zhao
    • 1
  • Xiaodong Li
    • 3
  • Juan Zhao
    • 1
  • Wencheng Zhang
    • 1
    • 2
  1. 1.Department of Physiology and PathophysiologyLogistics University of Chinese People’s Armed Police ForceTianjinChina
  2. 2.Tianjin Key Laboratory of Cardiovascular Remodeling and Target Organ Injury Institute of Cardiovascular DiseaseTianjinChina
  3. 3.Department of OrthopaedicsTianjin Third Central HospitalTianjinChina

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