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Micromachines
Volume 7
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10.3390/mi7110213
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Article

A Y-Shaped Microfluidic Device to Study the Combined Effect of Wall Shear Stress and ATP Signals on Intracellular Calcium Dynamics in Vascular Endothelial Cells

by
Zong-Zheng Chen
1,
Zheng-Ming Gao
1,
De-Pei Zeng
1,
Bo Liu
1,
Yong Luan
2,* and
Kai-Rong Qin
1,*
1
Department of Biomedical Engineering, Dalian University of Technology, Dalian 116024, China
2
Department of Anesthesiology, The First Affiliated Hospital of Dalian Medical University, Dalian 116011, China
*
Authors to whom correspondence should be addressed.
Micromachines 2016, 7(11), 213; https://doi.org/10.3390/mi7110213
Submission received: 13 October 2016 / Revised: 17 November 2016 / Accepted: 18 November 2016 / Published: 23 November 2016
(This article belongs to the Special Issue Insights and Advancements in Microfluidics)
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Abstract

The intracellular calcium dynamics in vascular endothelial cells (VECs) in response to wall shear stress (WSS) and/or adenosine triphosphate (ATP) have been commonly regarded as an important factor in regulating VEC function and behavior including proliferation, migration and apoptosis. However, the effects of time-varying ATP signals have been usually neglected in the past investigations in the field of VEC mechanobiology. In order to investigate the combined effects of WSS and dynamic ATP signals on the intracellular calcium dynamic in VECs, a Y-shaped microfluidic device, which can provide the cultured cells on the bottom of its mixing micro-channel with stimuli of WSS signal alone and different combinations of WSS and ATP signals in one single micro-channel, is proposed. Both numerical simulation and experimental studies verify the feasibility of its application. Cellular experimental results also suggest that a combination of WSS and ATP signals rather than a WSS signal alone might play a more significant role in VEC Ca2+ signal transduction induced by blood flow.
Keywords: Y-shaped microfluidic device; wall shear stress; adenosine triphosphate (ATP) signal; combined effect; vascular endothelial cells; calcium dynamics Y-shaped microfluidic device; wall shear stress; adenosine triphosphate (ATP) signal; combined effect; vascular endothelial cells; calcium dynamics
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MDPI and ACS Style

Chen, Z.-Z.; Gao, Z.-M.; Zeng, D.-P.; Liu, B.; Luan, Y.; Qin, K.-R. A Y-Shaped Microfluidic Device to Study the Combined Effect of Wall Shear Stress and ATP Signals on Intracellular Calcium Dynamics in Vascular Endothelial Cells. Micromachines 2016, 7, 213. https://doi.org/10.3390/mi7110213

AMA Style

Chen Z-Z, Gao Z-M, Zeng D-P, Liu B, Luan Y, Qin K-R. A Y-Shaped Microfluidic Device to Study the Combined Effect of Wall Shear Stress and ATP Signals on Intracellular Calcium Dynamics in Vascular Endothelial Cells. Micromachines. 2016; 7(11):213. https://doi.org/10.3390/mi7110213

Chicago/Turabian Style

Chen, Zong-Zheng, Zheng-Ming Gao, De-Pei Zeng, Bo Liu, Yong Luan, and Kai-Rong Qin. 2016. "A Y-Shaped Microfluidic Device to Study the Combined Effect of Wall Shear Stress and ATP Signals on Intracellular Calcium Dynamics in Vascular Endothelial Cells" Micromachines 7, no. 11: 213. https://doi.org/10.3390/mi7110213

APA Style

Chen, Z.-Z., Gao, Z.-M., Zeng, D.-P., Liu, B., Luan, Y., & Qin, K.-R. (2016). A Y-Shaped Microfluidic Device to Study the Combined Effect of Wall Shear Stress and ATP Signals on Intracellular Calcium Dynamics in Vascular Endothelial Cells. Micromachines, 7(11), 213. https://doi.org/10.3390/mi7110213

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