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Modified parylene-N films as chemical microenvironments for differentiation and spheroid formation of osteoblast cells

 Tae-Hun Kim  ;  Jong-Sook Lee  ;  Hanhee Jo  ;  Yusun Park  ;  Mijin Yun  ;  Zhiquan Song  ;  Jae-Chul Pyun  ;  Misu Lee 
 SCIENTIFIC REPORTS, Vol.10(1) : 15219, 2020-09 
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In this work, the influence of parylene N film on the spheroid formation of osteoblast-like cells (MG-63) was determined and compared with that of high-hydrophilicity microenvironments, such as hydrophilic culture matrix and ultraviolet-treated parylene N film. To elucidate the change in cell properties due to the microenvironment of parylene N film, global gene expression profiles of MG-63 cells on parylene N film were analyzed. We confirmed the upregulated expression of osteoblast differentiation- and proliferation-related genes, such as Runx2, ALPL, and BGLAP and MKi67 and PCNA, respectively, using the real-time polymerase chain reaction. In addition, the differentiation and proliferation of osteoblast cells cultured on parylene N film were validated using immunostaining. Finally, the formation of spheroids and regulation of differentiation in human mesenchymal stem cells (MSCs) on parylene N film was demonstrated. The results of this study confirm that the microenvironment with the controlled hydrophobic property of parylene N film could effectively trigger the bone differentiation and maintains the proliferation of MSCs, similar to MG-63 cells without any scaffold structures or physical treatments.
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1. College of Medicine (의과대학) > Dept. of Nuclear Medicine (핵의학교실) > 1. Journal Papers
Yonsei Authors
Yun, Mi Jin(윤미진) ORCID logo https://orcid.org/0000-0002-1712-163X
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