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Topography of Extracellular Matrix Mediates Vascular Morphogenesis and Migration Speeds in Angiogenesis

Journal Article · · PLoS Computational Biology (Online)
 [1];  [2];  [3]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Theoretical Division; DOE/OSTI
  2. Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Mathematics
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Theoretical Division

The extracellular matrix plays a critical role in orchestrating the events necessary for wound healing, muscle repair, morphogenesis, new blood vessel growth, and cancer invasion. In this study, we investigate the influence of extracellular matrix topography on the coordination of multi-cellular interactions in the context of angiogenesis. To do this, we validate our spatio-temporal mathematical model of angiogenesis against empirical data, and within this framework, we vary the density of the matrix fibers to simulate different tissue environments and to explore the possibility of manipulating the extracellular matrix to achieve pro- and anti-angiogenic effects. The model predicts specific ranges of matrix fiber densities that maximize sprout extension speed, induce branching, or interrupt normal angiogenesis, which are independently confirmed by experiment. We then explore matrix fiber alignment as a key factor contributing to peak sprout velocities and in mediating cell shape and orientation. We also quantify the effects of proteolytic matrix degradation by the tip cell on sprout velocity and demonstrate that degradation promotes sprout growth at high matrix densities, but has an inhibitory effect at lower densities. Our results are discussed in the context of ECM targeted pro- and anti-angiogenic therapies that can be tested empirically.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1627193
Journal Information:
PLoS Computational Biology (Online), Journal Name: PLoS Computational Biology (Online) Journal Issue: 7 Vol. 5; ISSN 1553-7358
Publisher:
Public Library of ScienceCopyright Statement
Country of Publication:
United States
Language:
English

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A Cell-Based Model of Extracellular-Matrix-Guided Endothelial Cell Migration During Angiogenesis journal March 2013
Dynamic, heterogeneous endothelial Tie2 expression and capillary blood flow during microvascular remodeling journal August 2017
Geometric constraints of endothelial cell migration on electrospun fibres journal April 2018
Notch signaling and taxis mechanims regulate early stage angiogenesis: A mathematical and computational model posted_content January 2019
A systems biology view of blood vessel growth and remodelling journal November 2013
Activation of Apoptotic Signal in Endothelial Cells through Intracellular Signaling Molecules Blockade in Tumor-Induced Angiogenesis journal January 2015
Formation of VEGF isoform-specific spatial distributions governing angiogenesis: computational analysis journal May 2011
3D Multi-Cell Simulation of Tumor Growth and Angiogenesis journal October 2009
Decellularized Matrix from Tumorigenic Human Mesenchymal Stem Cells Promotes Neovascularization with Galectin-1 Dependent Endothelial Interaction journal July 2011
Fibronectin Deposition Participates in Extracellular Matrix Assembly and Vascular Morphogenesis journal January 2016
Cellular Potts Modeling of Tumor Growth, Tumor Invasion, and Tumor Evolution journal January 2013
Ovarian Tumor Attachment, Invasion, and Vascularization Reflect Unique Microenvironments in the Peritoneum: Insights from Xenograft and Mathematical Models journal January 2013
Current Advances in Mathematical Modeling of Anti-Cancer Drug Penetration into Tumor Tissues journal January 2013
Hypoxia Affects the Structure of Breast Cancer Cell-Derived Matrix to Support Angiogenic Responses of Endothelial Cells journal January 2013
Biomaterial‐Induction of a Transplantable Angiosome journal November 2019
Precise Control of Cell Adhesion by Combination of Surface Chemistry and Soft Lithography journal September 2012
Fiber Scaffold Patterning for Mending Hearts: 3D Organization Bringing the Next Step journal October 2019
Hybrid models of tumor growth
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journal December 2010
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Cell-ECM Interactions in Tumor Invasion book January 2016
The emergence of extracellular matrix mechanics and cell traction forces as important regulators of cellular self-organization journal April 2014
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Simulating tissue mechanics with agent-based models: concepts, perspectives and some novel results journal November 2015
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Mathematical Based Calculation of Drug Penetration Depth in Solid Tumors journal January 2016
Stochastic modeling and identification of emergent behaviors of an Endothelial Cell population in angiogenic pattern formation journal January 2011
The complex ecosystem in non small cell lung cancer invasion journal May 2018
Notch signaling and taxis mechanisms regulate early stage angiogenesis: A mathematical and computational model journal January 2020
Extracellular Matrix Density Regulates the Rate of Neovessel Growth and Branching in Sprouting Angiogenesis journal January 2014
Computational Screening of Tip and Stalk Cell Behavior Proposes a Role for Apelin Signaling in Sprout Progression journal November 2016
Expression of MMP, HPSE, and FAP in Stroma Promoted Corneal Neovascularization Induced by Different Etiological Factors journal October 2010

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