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. 2017 Aug 21;3:31. doi: 10.1186/s40942-017-0084-9

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© The Author(s) 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — Protein–protein interaction (PPI) network of 38 potential angiogenesis-related proteins targets, based on STRING v10 data. This figure shows an important part of the retinal and choroidal angiogenesis-related PPI network and highlights the molecules with more and stronger interactions which we consider to be the main targets for future therapies. In this figure, proteins are represented as nodes, while interactions between them are represented as edges. Small and large nodes represent, respectively, proteins of unknown and known (or predicted) 3D structure. a Colored lines between the proteins indicate the various types of interaction evidence, as described in the figure legend. b Thickness indicates the strength of data support. Abbreviations: ACVR1 activin A receptor, type I; ACVR2A activin A receptor, type IIA, ANGPT2 angiopoietin 2, ANGPTL3 angiopoietin-like 3, ANGPTL4 angiopoietin-like 4, EDN1 endothelin 1, EGF epidermal growth factor, EGLN1 EGL nine homolog 1, EGLN2 EGL nine homolog 2, EGLN3 EGL nine homolog 3, FGF1 fibroblast growth factor 1, FGF2 fibroblast growth factor 2, FST follistatin, HGF hepatocyte growth factor, IGF1 insulin-like growth factor 1 (somatomedin C), IGF2 insulin-like growth factor 2 (somatomedin A), IL8 interleukin 8, CCL2 chemokine (C–C motif) ligand 2, ITGA1 integrin, alpha 1, ITGA2 integrin, alpha 2 (CD49B, alpha 2 subunit of VLA-2 receptor), ITGAM integrin, alpha M (complement component 3 receptor 3 subunit), ITGB2 integrin, beta 2 (complement component 3 receptor 3 and 4 subunit), ITGB3 integrin, beta 3 (platelet glycoprotein IIIa, antigen CD61), ITGA9 integrin, alpha 9, LGALS2 lectin, galactoside-binding, soluble, 2, LGALS1 lectin, galactoside-binding, soluble, 1, LGALS3 lectin, galactoside-binding, soluble, 3, PDGFA platelet-derived growth factor alpha polypeptide, PDGFB platelet-derived growth factor beta polypeptide, SERPINF1 serpin peptidase inhibitor, clade F (alpha-2 antiplasmin, pigment epithelium derived factor), member 1, SERPINF2 serpin peptidase inhibitor, clade F (alpha-2 antiplasmin, pigment epithelium derived factor), member 2, SMAD9 SMAD family member 9, TGFBI transforming growth factor, beta-induced, TIMP1 tissue inhibitor of metalloproteinases-1, TIMP2 tissue inhibitor of metalloproteinases-2, TIMP3 tissue inhibitor of metalloproteinases-3, VEGFA vascular endothelial growth factor A, VEGFC vascular endothelial growth factor C