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. 2009 Dec 21;261(4):570-83.
doi: 10.1016/j.jtbi.2009.09.018. Epub 2009 Sep 17.

A computational model of intussusceptive microvascular growth and remodeling

Dominik Szczerba  1 , Haymo Kurz, Gabor Szekely
Affiliations

A computational model of intussusceptive microvascular growth and remodeling

Dominik Szczerba et al. J Theor Biol. .

Abstract

Non-sprouting angiogenesis, also known as intussusceptive angiogenesis (IA), is an important modality of blood vessel morphogenesis in growing tissues. We present a novel computational framework for simulation of IA to answer some of the questions concerning the underlying mechanisms of the remodeling process. The model relies on mechanical interactions between blood and tissue, includes the structural maturation of the vessel wall, and is controlled by stimulating or inhibiting chemical agents. The model provides a simple explanation for the formation of microvessels and bifurcations from capillaries via IA, allowing for both maintenance and avoidance of shunt vessels. Detailed hemodynamic and transport properties for oxygen, metabolites or growth factors can be predicted. The model is an in silico framework for testing certain conceptual ideas about the mechanisms of intussusceptive growth and remodeling, in particular those related to mechanical and transport phenomena.

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