A microelectrode array chip for osteogenic differentiation of mesenchymal stem cells under electrical stimulation

Lab on a Chip ◽  
2020 ◽  
Vol 20 (2) ◽  
pp. 373-383 ◽  
Author(s):  
Tianyang Zheng ◽  
Zhizhong Zhang ◽  
Rong Zhu ◽  
Dong Sun

A microelectrode array chip is able to improve the osteogenic differentiation of mesenchymal stem cells by generating a non-uniform electric field.

PeerJ ◽  
2017 ◽  
Vol 5 ◽  
pp. e2821 ◽  
Author(s):  
Sahba Mobini ◽  
Liudmila Leppik ◽  
Vishnu Thottakkattumana Parameswaran ◽  
John Howard Barker

BackgroundElectrical stimulation (ES) has been successfully used to treat bone defects clinically. Recently, both cellular and molecular approaches have demonstrated that ES can change cell behavior such as migration, proliferation and differentiation.MethodsIn the present study we exposed rat bone marrow- (BM-) and adipose tissue- (AT-) derived mesenchymal stem cells (MSCs) to direct current electrical stimulation (DC ES) and assessed temporal changes in osteogenic differentiation. We applied 100 mV/mm of DC ES for 1 h per day for three, seven and 14 days to cells cultivated in osteogenic differentiation medium and assessed viability and calcium deposition at the different time points. In addition, expression of osteogenic genes, Runx2, Osteopontin, and Col1A2 was assessed in BM- and AT-derived MSCs at the different time points.ResultsResults showed that ES changed osteogenic gene expression patterns in both BM- and AT-MSCs, and these changes differed between the two groups. In BM-MSCs, ES caused a significant increase in mRNA levels of Runx2, Osteopontin and Col1A2 at day 7, while in AT-MSCs, the increase in Runx2 and Osteopontin expression were observed after 14 days of ES.DiscussionThis study shows that rat bone marrow- and adipose tissue-derived stem cells react differently to electrical stimuli, an observation that could be important for application of electrical stimulation in tissue engineering.


2013 ◽  
Vol 40 (12) ◽  
pp. 1220
Author(s):  
Jing XU ◽  
Dan ZHAO ◽  
Jian WANG ◽  
WenJuan WANG ◽  
JinYong LUO

2019 ◽  
Author(s):  
Leiluo Yang ◽  
Qing Li ◽  
Junhong Zhang ◽  
Pengcheng Li ◽  
Chaoliang Wang ◽  
...  

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