Vascular endothelial growth factor and angiopoietin in liver regeneration

Y. Kraizer, N. Mawasi, J. Seagal, M. Paizi, N. Assy, G. Spira

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62 Scopus citations


Liver architecture remodeling following partial hepatectomy (PHx) involves the formation of a complex network of liver sinusoids through which the blood flows. The present study examines the involvement of vascular endothelial growth factor (VEGF) and angiopoietin-1 (ang-1) during liver regeneration. Following PHx, VEGF and ang-1 mRNA levels increase, followed by gradual return to baseline levels. RT-PCR analysis of VEGF mRNA reveals three isoforms, VEGF120, VEGF164 and VEGF188. Of the three, VEGF188 is the predominant isoform, VEGF120 being the less abundant. Although VEGF mRNA fluctuates following PHx, the relative expression of each isoform remains the same throughout the recovery process. The level of neuropilin-1, an accessory receptor of VEGF to main receptor corresponds with that of VEGF and ang-1. We have previously demonstrated the capacity of exogenous VEGF165 to stimulate liver cell proliferation following PHx. We now report similar effect using VEGF121, further demonstrating the benefit of manipulating growth factors where such an intervention is required.

Original languageEnglish
Pages (from-to)209-215
Number of pages7
JournalBiochemical and Biophysical Research Communications
Issue number1
StatePublished - 14 Sep 2001
Externally publishedYes

Bibliographical note

Funding Information:
This research was supported in part by the Middle East Cancer Consortium (MECC), Ministry of Health of the State of Israel Fund (4417), and by the Fund for the Promotion of Research at the Tech-nion.


  • Angiopoietin
  • Liver regeneration
  • Neuropilin
  • Partial hepatectomy
  • VEGF


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