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Cited by 618

The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.

Real-Time Imaging Reveals Local, Transient Vascular Permeability, and Tumor Cell Intravasation Stimulated by TIE2hi Macrophage–Derived VEGFA

Open access
Harney, Allison S., Arwert, Esther N., Entenberg, David, Wang, Yarong, Guo, Peng, Qian, Bin-Zhi, Oktay, Maja H., Pollard, Jeffrey W., Jones, Joan G., Condeelis, John S.·2015·Cancer Discovery

Abstract

Dissemination of tumor cells is an essential step in metastasis. Direct contact between a macrophage, mammalian-enabled (MENA)–overexpressing tumor cell, and endothelial cell [Tumor MicroEnvironment of Metastasis (TMEM)] correlates with metastasis in breast cancer patients. Here we show, using intravital high-resolution two-photon microscopy, that transient vascular permeability and tumor cell intravasation occur simultaneously and exclusively at TMEM. The hyperpermeable nature of tumor vasculature is described as spatially and temporally heterogeneous. Using real-time imaging, we observed that vascular permeability is transient, restricted to the TMEM, and required for tumor cell dissemination. VEGFA signaling from TIE2hi TMEM macrophages causes local loss of vascular junctions, transient vascular permeability, and tumor cell intravasation, demonstrating a role for the TMEM within the primary mammary tumor. These data provide insight into the mechanism of tumor cell intravasation and vascular permeability in breast cancer, explaining the value of TMEM density as a predictor of distant metastatic recurrence in patients. Significance: Tumor vasculature is abnormal with increased permeability. Here, we show that VEGFA signaling from TIE2hi TMEM macrophages results in local, transient vascular permeability and tumor cell intravasation. These data provide evidence for the mechanism underlying the association of TMEM with distant metastatic recurrence, offering a rationale for therapies targeting TMEM. Cancer Discov; 5(9); 932–43. ©2015 AACR. See related commentary by Kadioglu and De Palma, p. 906. This article is highlighted in the In This Issue feature, p. 893

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Metadata

Authors
Harney, A. S., Arwert, E. N., Entenberg, D., Wang, Y., Guo, P., Qian, B.-Z., Oktay, M. H., Pollard, J. W., Jones, J. G., & Condeelis, J. S.
Venue
Cancer Discovery
Published
2015-09-01
Volume
5
Issue
9
Pages
932-943
ISSN
  • 2159-8274 (ISSN-L)
  • 2159-8290
OpenAlex
W1940048983
Cited by
618
References
5
FWCI
18.78
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Real-Time Imaging Reveals Local, Transient Vascular Permeability, and Tumor Cell Intravasation Stimulated by TIE2hi Macrophage–Derived VEGFA. https://app.cochat.ai/papers/10.1158/2159-8290.cd-15-0012
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Harney, A. S., Arwert, E. N., Entenberg, D., Wang, Y., Guo, P., Qian, B.-Z., Oktay, M. H., Pollard, J. W., Jones, J. G., & Condeelis, J. S. (2015). Real-Time Imaging Reveals Local, Transient Vascular Permeability, and Tumor Cell Intravasation Stimulated by TIE2hi Macrophage–Derived VEGFA. Cancer Discovery. https://doi.org/10.1158/2159-8290.cd-15-0012

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