UCL Discovery
UCL home » Library Services » Electronic resources » UCL Discovery

Sox7 promotes high-grade glioma by increasing VEGFR2-mediated vascular abnormality

Kim, I-K; Kim, K; Lee, E; Oh, DS; Park, CS; Park, S; Yang, JM; ... Kim, I; + view all (2018) Sox7 promotes high-grade glioma by increasing VEGFR2-mediated vascular abnormality. Journal of Experimental Medicine , 215 (3) pp. 963-983. 10.1084/jem.20170123. Green open access

[thumbnail of jem.20170123.full.pdf]
Preview
Text
jem.20170123.full.pdf - Published Version

Download (9MB) | Preview

Abstract

High-grade glioma (HGG) is highly angiogenic, but antiangiogenic therapy has transient clinical benefit in only a fraction of patients. Vascular regulators of these heterogeneous responses remain undetermined. We found up-regulation of Sox7 and down-regulation of Sox17 in tumor endothelial cells (tECs) in mouse HGG.Sox7deletion suppressed VEGFR2 expression, vascular abnormality, hypoxia-driven invasion, regulatory T cell infiltration, and tumor growth. Conversely,Sox17deletion exacerbated these phenotypes by up-regulating Sox7 in tECs. Anti-VEGFR2 antibody treatment delayed tumor growth by normalizingSox17-deficient abnormal vessels with high Sox7 levels but promoted it by regressingSox7-deficient vessels, recapitulating variable therapeutic responses to antiangiogenic therapy in HGG patients. Our findings establish that Sox7 promotes tumor growth via vessel abnormalization, and its level determines the therapeutic outcome of VEGFR2 inhibition in HGG. In 189 HGG patients, Sox7 expression was heterogeneous in tumor vessels, and high Sox7 levels correlated with poor survival, early recurrence, and impaired vascular function, emphasizing the clinical relevance of Sox7 in HGG.

Type: Article
Title: Sox7 promotes high-grade glioma by increasing VEGFR2-mediated vascular abnormality
Location: United States
Open access status: An open access version is available from UCL Discovery
DOI: 10.1084/jem.20170123
Publisher version: http://doi.org/10.1084/jem.20170123
Language: English
Additional information: © 2018 Kim et al. This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms/). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 International license, as described at https://creativecommons.org/licenses/by​-nc​-sa/4.0/)
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Institute of Ophthalmology
URI: https://discovery.ucl.ac.uk/id/eprint/10044677
Downloads since deposit
94Downloads
Download activity - last month
Download activity - last 12 months
Downloads by country - last 12 months

Archive Staff Only

View Item View Item