Intracellular calcium ([Ca2+]i) transients in response to mechanical stimulation can be propagated to neighboring cells in bone cell networks, which provides an essential mechanism for cell-cell communication in bone. Transfer of intracellular second messengers (e.g., IP3 and Ca2+) through gap junction pores and the diffusion of extracellular ATP to activate membrane receptors have long been conjectured as the two major pathways for intercellular Ca2+ wave propagation [1]. In this study, by comparing the calcium wave in open-end linear and looped circuit-like cell chains, the roles of gap junction intercellular communication (GJIC) and extracellular ATP diffusion in calcium wave propagation in bone cell networks were examined. The results were further confirmed with pathway-inhibitor studies performed on linear cell chains.
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ASME 2010 Summer Bioengineering Conference
June 16–19, 2010
Naples, Florida, USA
Conference Sponsors:
- Bioengineering Division
ISBN:
978-0-7918-4403-8
PROCEEDINGS PAPER
Intercellular Calcium Wave Propagation in Linear and Circuit-Like Bone Cell Networks
X. Lucas Lu,
X. Lucas Lu
Columbia University, New York, NY
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Bo Huo,
Bo Huo
Chinese Academy of Sciences, Beijing, China
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Andrew D. Baik,
Andrew D. Baik
Columbia University, New York, NY
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X. Edward Guo
X. Edward Guo
Columbia University, New York, NY
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X. Lucas Lu
Columbia University, New York, NY
Bo Huo
Chinese Academy of Sciences, Beijing, China
Andrew D. Baik
Columbia University, New York, NY
X. Edward Guo
Columbia University, New York, NY
Paper No:
SBC2010-19365, pp. 335-336; 2 pages
Published Online:
July 15, 2013
Citation
Lu, XL, Huo, B, Baik, AD, & Guo, XE. "Intercellular Calcium Wave Propagation in Linear and Circuit-Like Bone Cell Networks." Proceedings of the ASME 2010 Summer Bioengineering Conference. ASME 2010 Summer Bioengineering Conference, Parts A and B. Naples, Florida, USA. June 16–19, 2010. pp. 335-336. ASME. https://doi.org/10.1115/SBC2010-19365
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