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Simulation of Chemotractant Gradients in Microfluidic Channels to Study Cell Migration Mechanism in silico

Patric Wallin (Institutionen för teknisk fysik, Biologisk fysik) ; Elin Bernson (Institutionen för teknisk fysik, Biologisk fysik) ; Julie Gold (Institutionen för teknisk fysik, Biologisk fysik)
Comsol User meeting 2012 Milan (2012)
[Konferensbidrag, refereegranskat]

Cell migration of endothelial cells along gradients is an important process in vivo and an interesting target for cancer therapeutics. Microfluidics offer very powerful tools to study such migration processes in detail in the lab. In order to optimize microfluidic systems multiphysics simulations are very well suited. In this study, we describe a model to simulate molecular gradients in a diffusion based microfluidic gradient generator and how a cell senses these gradients via cell receptors. The results show the importance of incorporating the binding reaction into the model and that there is a large difference between the molecular gradient in solution and the gradient sensed by the cell. The approach presented here allows capturing of the whole process from gradient formation with a microfluidic channel to binding of molecules to cell receptors and allow a better prediction of parameters for cell experiments.

Nyckelord: Cell migration, Cell-receptor interaction, microfluidic, molecular gradient, VEGF



Denna post skapades 2012-09-11.
CPL Pubid: 163189

 

Institutioner (Chalmers)

Institutionen för teknisk fysik, Biologisk fysik (2007-2015)

Ämnesområden

Beräkningsfysik
Bioorganisk kemi
Molekylär biofysik
Cellbiologi

Chalmers infrastruktur

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