Surface characterizations and cell growth of rough zirconia surfaces immobilized with different BMP-2 concentrations using natural crosslinker genipin

Zirconia (ZrO2) is widely used in the dental implant industry, due to its good mechanical properties and biocompatibility. However, the bioinert nature of ZrO2 may hinder osseointegration. This study investigated the responses of human bone marrow mesenchymal stem cells (hMSCs) to sandblasted ZrO2 s...

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Main Authors: Jing-Ying Chen, Ying-Sui Sun, Diem Thuy Nguyen, Chia-Fei Liu, Her-Hsiung Huang
Format: Article
Language:English
Published: Elsevier 2022-11-01
Series:Materials & Design
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0264127522008383
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author Jing-Ying Chen
Ying-Sui Sun
Diem Thuy Nguyen
Chia-Fei Liu
Her-Hsiung Huang
author_facet Jing-Ying Chen
Ying-Sui Sun
Diem Thuy Nguyen
Chia-Fei Liu
Her-Hsiung Huang
author_sort Jing-Ying Chen
collection DOAJ
description Zirconia (ZrO2) is widely used in the dental implant industry, due to its good mechanical properties and biocompatibility. However, the bioinert nature of ZrO2 may hinder osseointegration. This study investigated the responses of human bone marrow mesenchymal stem cells (hMSCs) to sandblasted ZrO2 surfaces immobilized with bone morphogenetic protein-2 (BMP-2) using the natural crosslinker genipin. The immobilization of BMP on sandblasted ZrO2 surfaces increased the surface roughness but did not alter the wettability. The focal adhesion activation and later-stage mineralization of hMSCs were higher on BMP-2-modified ZrO2 surfaces than on untreated surfaces. The BMP-2-modified ZrO2 surfaces with low (100 ng/mL) and high (500 ng/mL) concentrations showed no significant difference in later-stage osteogenic response. However, ZrO2 surfaces with low BMP-2 concentration earlier stimulated the p38 (mitogen-activated protein kinase pathway) protein expression, osteogenic early marker osteopontin expression, and later-stage mineralization. This simple but effective process to immobilize BMP-2 on rough ZrO2 surfaces can benefit future dental implant applications.
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spelling doaj.art-e06c4d0e1a7d446bbc06852b013bcf092022-12-22T04:34:23ZengElsevierMaterials & Design0264-12752022-11-01223111216Surface characterizations and cell growth of rough zirconia surfaces immobilized with different BMP-2 concentrations using natural crosslinker genipinJing-Ying Chen0Ying-Sui Sun1Diem Thuy Nguyen2Chia-Fei Liu3Her-Hsiung Huang4Department of Dentistry, National Yang Ming Chiao Tung University, Taipei 112, TaiwanDepartment of Dentistry, National Yang Ming Chiao Tung University, Taipei 112, Taiwan; School of Dental Technology, Taipei Medical University, Taipei 110, TaiwanDepartment of Dentistry, National Yang Ming Chiao Tung University, Taipei 112, TaiwanDepartment of Dentistry, National Yang Ming Chiao Tung University, Taipei 112, TaiwanDepartment of Dentistry, National Yang Ming Chiao Tung University, Taipei 112, Taiwan; Institute of Oral Biology, National Yang Ming Chiao Tung University, Taipei 112, Taiwan; Department of Bioinformatics and Medical Engineering, Asia University, Taichung 413, Taiwan; Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 404, Taiwan; Department of Stomatology, Taipei Veterans General Hospital, Taipei 112, Taiwan; Department of Education and Research, Taipei City Hospital, Taipei 103, Taiwan; Corresponding author at: Department of Dentistry, National Yang Ming Chiao Tung University, No.155, Sec.2, Li-Nong Street, Taipei 112, Taiwan.Zirconia (ZrO2) is widely used in the dental implant industry, due to its good mechanical properties and biocompatibility. However, the bioinert nature of ZrO2 may hinder osseointegration. This study investigated the responses of human bone marrow mesenchymal stem cells (hMSCs) to sandblasted ZrO2 surfaces immobilized with bone morphogenetic protein-2 (BMP-2) using the natural crosslinker genipin. The immobilization of BMP on sandblasted ZrO2 surfaces increased the surface roughness but did not alter the wettability. The focal adhesion activation and later-stage mineralization of hMSCs were higher on BMP-2-modified ZrO2 surfaces than on untreated surfaces. The BMP-2-modified ZrO2 surfaces with low (100 ng/mL) and high (500 ng/mL) concentrations showed no significant difference in later-stage osteogenic response. However, ZrO2 surfaces with low BMP-2 concentration earlier stimulated the p38 (mitogen-activated protein kinase pathway) protein expression, osteogenic early marker osteopontin expression, and later-stage mineralization. This simple but effective process to immobilize BMP-2 on rough ZrO2 surfaces can benefit future dental implant applications.http://www.sciencedirect.com/science/article/pii/S0264127522008383Cell growthZirconiaBone morphogenetic protein-2GenipinNatural crosslinker
spellingShingle Jing-Ying Chen
Ying-Sui Sun
Diem Thuy Nguyen
Chia-Fei Liu
Her-Hsiung Huang
Surface characterizations and cell growth of rough zirconia surfaces immobilized with different BMP-2 concentrations using natural crosslinker genipin
Materials & Design
Cell growth
Zirconia
Bone morphogenetic protein-2
Genipin
Natural crosslinker
title Surface characterizations and cell growth of rough zirconia surfaces immobilized with different BMP-2 concentrations using natural crosslinker genipin
title_full Surface characterizations and cell growth of rough zirconia surfaces immobilized with different BMP-2 concentrations using natural crosslinker genipin
title_fullStr Surface characterizations and cell growth of rough zirconia surfaces immobilized with different BMP-2 concentrations using natural crosslinker genipin
title_full_unstemmed Surface characterizations and cell growth of rough zirconia surfaces immobilized with different BMP-2 concentrations using natural crosslinker genipin
title_short Surface characterizations and cell growth of rough zirconia surfaces immobilized with different BMP-2 concentrations using natural crosslinker genipin
title_sort surface characterizations and cell growth of rough zirconia surfaces immobilized with different bmp 2 concentrations using natural crosslinker genipin
topic Cell growth
Zirconia
Bone morphogenetic protein-2
Genipin
Natural crosslinker
url http://www.sciencedirect.com/science/article/pii/S0264127522008383
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