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Cited by 275

The DOI matches its Crossref record; 165 of the 165 references it cites were found in a registry or an index.

Neuropilins are multifunctional coreceptors involved in tumor initiation, growth, metastasis and immunity

Open access
Prud’homme, Gérald J., Glinka, Yelena·2012·Oncotarget
DOI 10.18632/oncotarget.626
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Abstract

// Gérald J. Prud’homme 1,2,3 and Yelena Glinka 1 1 Keenan Research Centre in the Li Ka Shing Knowledge Institute of St. Michael’s Hospital, ON, Canada 2 Department of Laboratory Medicine, St. Michael’s Hospital, Toronto, ON, Canada 3 Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada Correspondence: Gérald J. Prud’homme, email: // Keywords : angiogenesis, cancer stem cell, growth factor, neuropilin, semaphorin, TGF-beta, VEGF Received : August 18, 2012, Accepted : September 01, 2012, Published : September 03, 2012 Abstract The neuropilins (Nrps) are multifunctional proteins involved in development, immunity and cancer. Neuropilin-1 (Nrp1), or its homologue neuropilin-2 (Nrp2), are coreceptors that enhance responses to several growth factors (GFs) and other mediators. Nrps are coreceptors for the class 3 semaphorins (SEMA3), involved in axonal guidance, and several members of the vascular endothelial growth factor (VEGF) family. However, recent findings reveal they have a much broader spectrum of activity. They bind transforming growth factor β1 (TGF-β1) and its receptors, hepatocyte growth factor (HGF) and its receptor (cMet), platelet derived growth factor (PDGF) and its receptors, fibroblast growth factors (FGFs), and integrins. Nrps also promote Hedgehog signaling. These ligands and pathways are all relevant to angiogenesis and wound healing. In the immune system, the Nrps are expressed primarily by dendritic cells (DCs) and regulatory T cells (Tregs), and exert mainly inhibitory effects. In cancer, Nrps have been linked to a poor prognosis, which is consistent with their numerous interactions with ligands and receptors that promote tumor progression. We hypothesize that Nrps boost responses by capturing ligands, regulating GF receptor expression, endocytosis and recycling, and possibly also by signaling independently. Importantly, they promote epithelial-mesenchymal transition (EMT), and the survival of cancer stem cells. The recent finding that Nrps bind and internalize cell-penetrating peptides (CPPs) with arginine/lysine-rich C-terminal motifs (C-end rule; e.g., RXXR) is of interest. These CPPs can be coupled to large drugs for cancer therapy. Almost all studies have been preclinical, but findings suggest Nrps are excellent targets for anti-cancer drug development.

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Metadata

Authors
Prud’homme, G. J., & Glinka, Y.
Venue
Oncotarget
Publisher
Impact Journals, LLC
Published
2012-09-03
Volume
3
Issue
9
Pages
921-939
ISSN
1949-2553 (ISSN-L)
DOI
10.18632/oncotarget.626
OpenAlex
W1921756464
Cited by
275
References
165
FWCI
6.61
Type
journal article
Language
en
Open access
hybrid

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