Support of Tumor Endothelial Cells by Chemokine Receptors

Tumor-associated vascular endothelium comprises a specialized and diverse group of endothelial cells that, although not cancer themselves, are integral to cancer progression. Targeting the tumor vasculature can have significant efficacy in reducing tumor burden, although loss of efficacy due to acqu...

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Main Authors: Nicole Salazar, Brian A. Zabel
Format: Article
Language:English
Published: Frontiers Media S.A. 2019-02-01
Series:Frontiers in Immunology
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fimmu.2019.00147/full
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author Nicole Salazar
Brian A. Zabel
author_facet Nicole Salazar
Brian A. Zabel
author_sort Nicole Salazar
collection DOAJ
description Tumor-associated vascular endothelium comprises a specialized and diverse group of endothelial cells that, although not cancer themselves, are integral to cancer progression. Targeting the tumor vasculature can have significant efficacy in reducing tumor burden, although loss of efficacy due to acquisition of resistance mechanisms is common. Here we review mechanisms by which tumor endothelial cells (TEC) utilize chemokine receptors to support tumor progression. We illustrate how chemokine receptors support and may serve as functional markers of the diverse TEC population. We focus on ACKR1 (DARC), ACKR3 (CXCR7), CXCR4, and CCR2, as these are the best studied chemokine receptors in TEC; and suggest that targeting these receptors on the tumor vasculature may prove efficacious in slowing or reversing tumor growth. We also mention CXCR2 and CXCR3 as important mediators or tumor angiogenesis, given their distinct roles with angiogenic and angiostatic chemokines, respectively.
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spelling doaj.art-28cdb9a5484942ccbc77712235066ab92022-12-21T18:47:40ZengFrontiers Media S.A.Frontiers in Immunology1664-32242019-02-011010.3389/fimmu.2019.00147436617Support of Tumor Endothelial Cells by Chemokine ReceptorsNicole Salazar0Brian A. Zabel1Department of Biology, San Francisco State University, San Francisco, CA, United StatesPalo Alto Veterans Institute for Research, Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, United StatesTumor-associated vascular endothelium comprises a specialized and diverse group of endothelial cells that, although not cancer themselves, are integral to cancer progression. Targeting the tumor vasculature can have significant efficacy in reducing tumor burden, although loss of efficacy due to acquisition of resistance mechanisms is common. Here we review mechanisms by which tumor endothelial cells (TEC) utilize chemokine receptors to support tumor progression. We illustrate how chemokine receptors support and may serve as functional markers of the diverse TEC population. We focus on ACKR1 (DARC), ACKR3 (CXCR7), CXCR4, and CCR2, as these are the best studied chemokine receptors in TEC; and suggest that targeting these receptors on the tumor vasculature may prove efficacious in slowing or reversing tumor growth. We also mention CXCR2 and CXCR3 as important mediators or tumor angiogenesis, given their distinct roles with angiogenic and angiostatic chemokines, respectively.https://www.frontiersin.org/article/10.3389/fimmu.2019.00147/fullchemokine receptorchemoattractantendothelial celltumor vasculaturetumor microenvironment
spellingShingle Nicole Salazar
Brian A. Zabel
Support of Tumor Endothelial Cells by Chemokine Receptors
Frontiers in Immunology
chemokine receptor
chemoattractant
endothelial cell
tumor vasculature
tumor microenvironment
title Support of Tumor Endothelial Cells by Chemokine Receptors
title_full Support of Tumor Endothelial Cells by Chemokine Receptors
title_fullStr Support of Tumor Endothelial Cells by Chemokine Receptors
title_full_unstemmed Support of Tumor Endothelial Cells by Chemokine Receptors
title_short Support of Tumor Endothelial Cells by Chemokine Receptors
title_sort support of tumor endothelial cells by chemokine receptors
topic chemokine receptor
chemoattractant
endothelial cell
tumor vasculature
tumor microenvironment
url https://www.frontiersin.org/article/10.3389/fimmu.2019.00147/full
work_keys_str_mv AT nicolesalazar supportoftumorendothelialcellsbychemokinereceptors
AT brianazabel supportoftumorendothelialcellsbychemokinereceptors