Effect of Attapulgite-Doped Electrospun Fibrous PLGA Scaffold on Pro-Osteogenesis and Barrier Function in the Application of Guided Bone Regeneration

Xinru Xie,1,* Xiangyang Shi,2,* Shaoyi Wang,1 Lingyan Cao,3 Chi Yang,1 Zhigui Ma1 1Department of Oral Surgery, Shanghai Ninth People’s Hospital, College of Stomatology, Shanghai Jiaotong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Key Labora...

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Autores principales:	Xie X, Shi X, Wang S, Cao L, Yang C, Ma Z
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2020
Materias:	electrospun guided bone regeneration attapulgite osteogenesis Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/9c893699fdfb4bf586d77e4827a0e3bf
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id	oai:doaj.org-article:9c893699fdfb4bf586d77e4827a0e3bf
record_format	dspace
institution	DOAJ
collection	DOAJ
language	EN
topic	electrospun guided bone regeneration attapulgite osteogenesis Medicine (General) R5-920
spellingShingle	electrospun guided bone regeneration attapulgite osteogenesis Medicine (General) R5-920 Xie X Shi X Wang S Cao L Yang C Ma Z Effect of Attapulgite-Doped Electrospun Fibrous PLGA Scaffold on Pro-Osteogenesis and Barrier Function in the Application of Guided Bone Regeneration
description	Xinru Xie,1,* Xiangyang Shi,2,* Shaoyi Wang,1 Lingyan Cao,3 Chi Yang,1 Zhigui Ma1 1Department of Oral Surgery, Shanghai Ninth People’s Hospital, College of Stomatology, Shanghai Jiaotong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, People’s Republic of China; 2College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, People’s Republic of China; 3Department of Prosthodontics, Shanghai Ninth People’s Hospital, College of Stomatology, Shanghai Jiaotong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, People’s Republic of China*These authors contributed equally to this workCorrespondence: Chi Yang; Zhigui MaDepartment of Oral Surgery, Shanghai Ninth People’s Hospital, College of Stomatology, Shanghai Jiaotong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, People’s Republic of ChinaEmail yangchi63@hotmail.com; mazhigui2007@126.comPurpose: Guided bone regeneration (GBR) therapy, which is a widely used technique in clinical practice and is effective in improving the repair of alveolar bone defects or bone mass deficiency regeneration, requires the use of membrane materials with good biocompatibility, barrier function, rigidity matching the space maintenance ability, economic benefits and excellent clinical applicability. The aim of this study was to develop an electrospun attapulgite (ATT)-doped poly (lactic-co-glycolic acid) (PLGA) scaffold (PLGA/ATT scaffold) as a novel material for GBR applications.Methods and Results: Scanning electron microscopy (SEM) and X-ray diffraction (XRD) were used to determine the morphology and the crystalline structure of the PLGA/ATT scaffolds, respectively. Porosity and contact-angle measurements were also carried out to further characterize the physical properties of the PLGA/ATT scaffolds. The results of in vitro studies showed that bone marrow mesenchymal stem cells (BMSCs) attached more readily to and spread better over the PLGA/ATT scaffolds than the Bio-Gide membrane. Furthermore, in the in vitro osteoinductive experiments with BMSCs, the PLGA/ATT scaffolds were found to enhance the activity of alkaline phosphatase (ALP), promote the formation of mineralized bone nodules, and up-regulate the expression of several osteogenic markers—namely, runt-related transcription factor 2, alkaline phosphatase, osteopontin, and osteocalcin—which are similar to the effects of the Bio-Gide membrane. Further, in in vivo studies, the results of sequential fluorescent labeling, micro-computed tomography, and histological analysis suggest that using the PLGA/ATT scaffolds for repairing V-shaped buccal dehiscence on a dog’s tooth root improved bone regeneration, which is not only similar to the result obtained using the Bio-Gide membrane but also much better than that obtained using PLGA scaffolds and the negative control.Conclusion: To achieve satisfactory therapeutic results and to lower the cost of GBR treatment, this study provided a promising alternative material of bio-degradable membrane in clinical treatment.Keywords: electrospun, guided bone regeneration, attapulgite, osteogenesis
format	article
author	Xie X Shi X Wang S Cao L Yang C Ma Z
author_facet	Xie X Shi X Wang S Cao L Yang C Ma Z
author_sort	Xie X
title	Effect of Attapulgite-Doped Electrospun Fibrous PLGA Scaffold on Pro-Osteogenesis and Barrier Function in the Application of Guided Bone Regeneration
title_short	Effect of Attapulgite-Doped Electrospun Fibrous PLGA Scaffold on Pro-Osteogenesis and Barrier Function in the Application of Guided Bone Regeneration
title_full	Effect of Attapulgite-Doped Electrospun Fibrous PLGA Scaffold on Pro-Osteogenesis and Barrier Function in the Application of Guided Bone Regeneration
title_fullStr	Effect of Attapulgite-Doped Electrospun Fibrous PLGA Scaffold on Pro-Osteogenesis and Barrier Function in the Application of Guided Bone Regeneration
title_full_unstemmed	Effect of Attapulgite-Doped Electrospun Fibrous PLGA Scaffold on Pro-Osteogenesis and Barrier Function in the Application of Guided Bone Regeneration
title_sort	effect of attapulgite-doped electrospun fibrous plga scaffold on pro-osteogenesis and barrier function in the application of guided bone regeneration
publisher	Dove Medical Press
publishDate	2020
url	https://doaj.org/article/9c893699fdfb4bf586d77e4827a0e3bf
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spelling	oai:doaj.org-article:9c893699fdfb4bf586d77e4827a0e3bf2021-12-02T10:23:49ZEffect of Attapulgite-Doped Electrospun Fibrous PLGA Scaffold on Pro-Osteogenesis and Barrier Function in the Application of Guided Bone Regeneration1178-2013https://doaj.org/article/9c893699fdfb4bf586d77e4827a0e3bf2020-09-01T00:00:00Zhttps://www.dovepress.com/effect-of-attapulgite-doped-electrospun-fibrous-plga-scaffold-on-pro-o-peer-reviewed-article-IJNhttps://doaj.org/toc/1178-2013Xinru Xie,1,* Xiangyang Shi,2,* Shaoyi Wang,1 Lingyan Cao,3 Chi Yang,1 Zhigui Ma1 1Department of Oral Surgery, Shanghai Ninth People’s Hospital, College of Stomatology, Shanghai Jiaotong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, People’s Republic of China; 2College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, People’s Republic of China; 3Department of Prosthodontics, Shanghai Ninth People’s Hospital, College of Stomatology, Shanghai Jiaotong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, People’s Republic of China*These authors contributed equally to this workCorrespondence: Chi Yang; Zhigui MaDepartment of Oral Surgery, Shanghai Ninth People’s Hospital, College of Stomatology, Shanghai Jiaotong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, People’s Republic of ChinaEmail yangchi63@hotmail.com; mazhigui2007@126.comPurpose: Guided bone regeneration (GBR) therapy, which is a widely used technique in clinical practice and is effective in improving the repair of alveolar bone defects or bone mass deficiency regeneration, requires the use of membrane materials with good biocompatibility, barrier function, rigidity matching the space maintenance ability, economic benefits and excellent clinical applicability. The aim of this study was to develop an electrospun attapulgite (ATT)-doped poly (lactic-co-glycolic acid) (PLGA) scaffold (PLGA/ATT scaffold) as a novel material for GBR applications.Methods and Results: Scanning electron microscopy (SEM) and X-ray diffraction (XRD) were used to determine the morphology and the crystalline structure of the PLGA/ATT scaffolds, respectively. Porosity and contact-angle measurements were also carried out to further characterize the physical properties of the PLGA/ATT scaffolds. The results of in vitro studies showed that bone marrow mesenchymal stem cells (BMSCs) attached more readily to and spread better over the PLGA/ATT scaffolds than the Bio-Gide membrane. Furthermore, in the in vitro osteoinductive experiments with BMSCs, the PLGA/ATT scaffolds were found to enhance the activity of alkaline phosphatase (ALP), promote the formation of mineralized bone nodules, and up-regulate the expression of several osteogenic markers—namely, runt-related transcription factor 2, alkaline phosphatase, osteopontin, and osteocalcin—which are similar to the effects of the Bio-Gide membrane. Further, in in vivo studies, the results of sequential fluorescent labeling, micro-computed tomography, and histological analysis suggest that using the PLGA/ATT scaffolds for repairing V-shaped buccal dehiscence on a dog’s tooth root improved bone regeneration, which is not only similar to the result obtained using the Bio-Gide membrane but also much better than that obtained using PLGA scaffolds and the negative control.Conclusion: To achieve satisfactory therapeutic results and to lower the cost of GBR treatment, this study provided a promising alternative material of bio-degradable membrane in clinical treatment.Keywords: electrospun, guided bone regeneration, attapulgite, osteogenesisXie XShi XWang SCao LYang CMa ZDove Medical Pressarticleelectrospunguided bone regenerationattapulgiteosteogenesisMedicine (General)R5-920ENInternational Journal of Nanomedicine, Vol Volume 15, Pp 6761-6777 (2020)

Effect of Attapulgite-Doped Electrospun Fibrous PLGA Scaffold on Pro-Osteogenesis and Barrier Function in the Application of Guided Bone Regeneration

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