Zinc-finger transcriptional factor Sall1 induces angiogenesis by activation of the gene for VEGF-A

Hypertension Research : Official Journal of the Japanese Society of Hypertension
Chii YamamotoKoichi Matsumoto

Abstract

Zinc-finger transcriptional factor Sall1 modulates gene expression and regulates organogenesis, including kidney development. Angiogenesis induced by vascular endothelial growth factor (VEGF) is also required for organogenesis. We investigated whether Sall1 induces angiogenesis through VEGF gene activation. Sall1 gene transfer induced marked neovascularization in rat cornea and in mouse embryoid bodies (EBs). The neovascularization in EBs was abolished by co-administration of anti-VEGF antibody. Sall1 gene transfer in Swiss 3T3 cells significantly increased the expression of VEGF-A mRNA but did not markedly increase the expression of fibroblast growth factor-2, epidermal growth factor, hepatocyte growth factor and ETS-1 mRNA. Sall1 gene transfer significantly increased VEGF-A protein levels in conditioned medium from cultured fibroblasts. Sall1 gene transfer significantly increased VEGF-A promoter activity in HEK293T cells as compared with cells transfected with mock vector or truncated Sall1. These results suggest that Sall1 induces angiogenesis by stimulating VEGF-A promoter activity.

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Citations

Nov 11, 2010·The Journal of Biological Chemistry·Efthimia KarantzaliAndroniki Kretsovali
Feb 24, 2015·Environmental Research·April F MohantyDaniel A Enquobahrie
Sep 17, 2016·Journal of Immunology Research·Constantino Tomas-SanchezBertha Alicia Leon-Chavez
Dec 17, 2009·Hypertension Research : Official Journal of the Japanese Society of Hypertension·Yoshiaki Taniyama, Ryuichi Morishita
Aug 11, 2020·Stroke; a Journal of Cerebral Circulation·Su Jing ChanVictor Nurcombe
Aug 3, 2021·Frontiers in Genetics·Laura W TaylorLeena A Nylander-French
Aug 20, 2021·Archives of Biochemistry and Biophysics·Ting MaYang Xi

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