Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jbiomech.2011.02.084
Title: Margination of red blood cells infected by Plasmodium falciparum in a microvessel
Authors: Imai, Y.
Nakaaki, K.
Kondo, H.
Ishikawa, T.
Teck Lim, C. 
Yamaguchi, T.
Keywords: Hydrodynamic interaction
Malaria
Margination
Numerical simulation
Issue Date: 17-May-2011
Citation: Imai, Y., Nakaaki, K., Kondo, H., Ishikawa, T., Teck Lim, C., Yamaguchi, T. (2011-05-17). Margination of red blood cells infected by Plasmodium falciparum in a microvessel. Journal of Biomechanics 44 (8) : 1553-1558. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jbiomech.2011.02.084
Abstract: We investigated numerically the mechanism of margination of Plasmodium falciparum malaria-infected red blood cells (Pf-IRBCs) in micro-scale blood flow. Our model illustrates that continuous hydrodynamic interaction between a Pf-IRBC in the trophozoite stage (Pf-T-IRBC) and healthy red blood cells (HRBCs) results in the margination of the Pf-T-IRBC and, thus, a longer duration of contact with endothelial cells. The Pf-T-IRBC and HRBCs first form a "train". The volume fraction of RBCs is then locally increased, to approximately 40%, and this value is maintained for a long period of time due to the formation of a long train in high-hematocrit conditions. Even in low-hematocrit conditions, the local volume fraction is instantaneously elevated to 40% and the Pf-T-IRBC can migrate to the wall. However, the short train formed in low-hematocrit conditions does not provide continuous interaction, and the Pf-T-IRBC moves back to the center of the channel. © 2011 Elsevier Ltd.
Source Title: Journal of Biomechanics
URI: http://scholarbank.nus.edu.sg/handle/10635/87904
ISSN: 00219290
DOI: 10.1016/j.jbiomech.2011.02.084
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