Mathematical model predicts a critical role for osteoclast autocrine regulation in the control of bone remodeling
Catherine
Lloyd
Auckland Bioengineering Institute, The University of Auckland
Model Status
This CellML model runs in both OpenCell and COR to recreate the published results (figure 2). Where parameters were not defined in the paper they were taken from Lemaire et al. 2004. A force of 10N was applied at day 100 and removed at day 130.
Model Structure
ABSTRACT: Bone is a dynamic living tissue that undergoes continuous adaptation of its mass and structure in response to mechanical and biological environment demands. Studies of bone adaptation have focused on metabolic or mechanical stimulus, but mathematical models of bone adaptation considering both, are not available by now. In this paper, we propose a mathematical model of bone adaptation during a remodeling cycle due to mechanical stimulus with the introduction of osteocytes as mechanotransducers. The model captures qualitatively very well the bone adaptation and cell interactions during the bone remodeling.
model diagram
Schematic representation of the basic structure of the model.
model diagram
Schematic diagram of the Lemaire et al. 2004 model of which the current model is an extension.
The original paper reference is cited below:
Mathematical modeling and analysis of force induced bone growth, Maldonado S, Borchers S, Findeisen R, Allgower F, 2006, Proceedings of the 28th IEEE EMBS Annual International Conference, 1, 3154-3157. PubMed ID: 17947010
c.lloyd@auckland.ac.nzr_Bbone radiusF_sstress magnitudeendocrineosteoblastboneosteoclastxbosteoblast populationx_pgePGE2 concentrationFAllgowerSBorchersCatherineLloydMayF_stiforce stimuliThe University of AucklandAuckland Bioengineering Institutex_nonitric oxide concentrationx_opgOPG concentrationA_Bcircular area of the bone15010100000
Mathematical modeling and analysis of force induced bone growth
131543157Proceedings of the 28th IEEE EMBS Annual International Conferencekeyword17947010xcosteoclast populationx_klRANKL concentration2006SMaldonadoxrresponding osteoblast populationxyosteocyte populationRFindeisen