A Model for the Modulation of Microvessel Permeability by Junction Strands

Document Type



To investigate the effect of junction strands on microvessel permeability, we extend the previous analytical model developed by Fu et al. (1994, J. Biomech. Eng., 116, pp. 502-513), for the interendothelial cleft to include multiple junction strands in the cleft and an interface between the surface glycocalyx layer and the cleft entrance. Based on the electron microscopic observations by Adamson et al. (1998, Am. J. Physiol., 274(43), pp. H1885-H1894), that elevation of intracellular cAMP levels would increase number of tight junction strands, this two-junction-strand and two-pore model can successfully account for the experimental data for the decreased permeability to water, small and intermediate-sized solutes by cAMP.


Cells – Permeability; Endothelial cells; Glycoproteins; Tissues – Permeability; Water


Biomechanics and Biotransport | Biomedical Engineering and Bioengineering | Molecular, Cellular, and Tissue Engineering


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