Acellular dermal matrix loading with bFGF achieves similar acceleration of bone regeneration to BMP-2 via differential effects on recruitment, proliferation and sustained osteodifferentiation of mesenchymal stem cells
New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated different...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Du, Mi [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017transfer abstract |
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| Umfang: |
9 |
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| Übergeordnetes Werk: |
Enthalten in: Adsorption of various metals by carboxymethyl-β-cyclodextrin-modified Zn - Kameda, Tomohito ELSEVIER, 2020, Amsterdam |
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| Übergeordnetes Werk: |
volume:70 ; year:2017 ; day:1 ; month:01 ; pages:62-70 ; extent:9 |
| Links: |
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| DOI / URN: |
10.1016/j.msec.2016.08.049 |
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| 245 | 1 | 0 | |a Acellular dermal matrix loading with bFGF achieves similar acceleration of bone regeneration to BMP-2 via differential effects on recruitment, proliferation and sustained osteodifferentiation of mesenchymal stem cells |
| 264 | 1 | |c 2017transfer abstract | |
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| 520 | |a New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. | ||
| 520 | |a New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. | ||
| 700 | 1 | |a Zhu, Ting |4 oth | |
| 700 | 1 | |a Duan, Xiaoqi |4 oth | |
| 700 | 1 | |a Ge, Shaohua |4 oth | |
| 700 | 1 | |a Li, Ning |4 oth | |
| 700 | 1 | |a Sun, Qinfeng |4 oth | |
| 700 | 1 | |a Yang, Pishan |4 oth | |
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10.1016/j.msec.2016.08.049 doi GBVA2017015000007.pica (DE-627)ELV015242773 (ELSEVIER)S0928-4931(16)30914-6 DE-627 ger DE-627 rakwb eng 600 600 DE-600 550 VZ 38.30 bkl 58.45 bkl 38.69 bkl 56.20 bkl Du, Mi verfasserin aut Acellular dermal matrix loading with bFGF achieves similar acceleration of bone regeneration to BMP-2 via differential effects on recruitment, proliferation and sustained osteodifferentiation of mesenchymal stem cells 2017transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. Zhu, Ting oth Duan, Xiaoqi oth Ge, Shaohua oth Li, Ning oth Sun, Qinfeng oth Yang, Pishan oth Enthalten in Elsevier Kameda, Tomohito ELSEVIER Adsorption of various metals by carboxymethyl-β-cyclodextrin-modified Zn 2020 Amsterdam (DE-627)ELV003774007 volume:70 year:2017 day:1 month:01 pages:62-70 extent:9 https://doi.org/10.1016/j.msec.2016.08.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO 38.30 Mineralogie VZ 58.45 Gesteinshüttenkunde VZ 38.69 Bodenkunde: Sonstiges Geowissenschaften VZ 56.20 Ingenieurgeologie Bodenmechanik VZ AR 70 2017 1 0101 62-70 9 045F 600 |
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10.1016/j.msec.2016.08.049 doi GBVA2017015000007.pica (DE-627)ELV015242773 (ELSEVIER)S0928-4931(16)30914-6 DE-627 ger DE-627 rakwb eng 600 600 DE-600 550 VZ 38.30 bkl 58.45 bkl 38.69 bkl 56.20 bkl Du, Mi verfasserin aut Acellular dermal matrix loading with bFGF achieves similar acceleration of bone regeneration to BMP-2 via differential effects on recruitment, proliferation and sustained osteodifferentiation of mesenchymal stem cells 2017transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. Zhu, Ting oth Duan, Xiaoqi oth Ge, Shaohua oth Li, Ning oth Sun, Qinfeng oth Yang, Pishan oth Enthalten in Elsevier Kameda, Tomohito ELSEVIER Adsorption of various metals by carboxymethyl-β-cyclodextrin-modified Zn 2020 Amsterdam (DE-627)ELV003774007 volume:70 year:2017 day:1 month:01 pages:62-70 extent:9 https://doi.org/10.1016/j.msec.2016.08.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO 38.30 Mineralogie VZ 58.45 Gesteinshüttenkunde VZ 38.69 Bodenkunde: Sonstiges Geowissenschaften VZ 56.20 Ingenieurgeologie Bodenmechanik VZ AR 70 2017 1 0101 62-70 9 045F 600 |
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10.1016/j.msec.2016.08.049 doi GBVA2017015000007.pica (DE-627)ELV015242773 (ELSEVIER)S0928-4931(16)30914-6 DE-627 ger DE-627 rakwb eng 600 600 DE-600 550 VZ 38.30 bkl 58.45 bkl 38.69 bkl 56.20 bkl Du, Mi verfasserin aut Acellular dermal matrix loading with bFGF achieves similar acceleration of bone regeneration to BMP-2 via differential effects on recruitment, proliferation and sustained osteodifferentiation of mesenchymal stem cells 2017transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. Zhu, Ting oth Duan, Xiaoqi oth Ge, Shaohua oth Li, Ning oth Sun, Qinfeng oth Yang, Pishan oth Enthalten in Elsevier Kameda, Tomohito ELSEVIER Adsorption of various metals by carboxymethyl-β-cyclodextrin-modified Zn 2020 Amsterdam (DE-627)ELV003774007 volume:70 year:2017 day:1 month:01 pages:62-70 extent:9 https://doi.org/10.1016/j.msec.2016.08.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO 38.30 Mineralogie VZ 58.45 Gesteinshüttenkunde VZ 38.69 Bodenkunde: Sonstiges Geowissenschaften VZ 56.20 Ingenieurgeologie Bodenmechanik VZ AR 70 2017 1 0101 62-70 9 045F 600 |
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10.1016/j.msec.2016.08.049 doi GBVA2017015000007.pica (DE-627)ELV015242773 (ELSEVIER)S0928-4931(16)30914-6 DE-627 ger DE-627 rakwb eng 600 600 DE-600 550 VZ 38.30 bkl 58.45 bkl 38.69 bkl 56.20 bkl Du, Mi verfasserin aut Acellular dermal matrix loading with bFGF achieves similar acceleration of bone regeneration to BMP-2 via differential effects on recruitment, proliferation and sustained osteodifferentiation of mesenchymal stem cells 2017transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. Zhu, Ting oth Duan, Xiaoqi oth Ge, Shaohua oth Li, Ning oth Sun, Qinfeng oth Yang, Pishan oth Enthalten in Elsevier Kameda, Tomohito ELSEVIER Adsorption of various metals by carboxymethyl-β-cyclodextrin-modified Zn 2020 Amsterdam (DE-627)ELV003774007 volume:70 year:2017 day:1 month:01 pages:62-70 extent:9 https://doi.org/10.1016/j.msec.2016.08.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO 38.30 Mineralogie VZ 58.45 Gesteinshüttenkunde VZ 38.69 Bodenkunde: Sonstiges Geowissenschaften VZ 56.20 Ingenieurgeologie Bodenmechanik VZ AR 70 2017 1 0101 62-70 9 045F 600 |
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10.1016/j.msec.2016.08.049 doi GBVA2017015000007.pica (DE-627)ELV015242773 (ELSEVIER)S0928-4931(16)30914-6 DE-627 ger DE-627 rakwb eng 600 600 DE-600 550 VZ 38.30 bkl 58.45 bkl 38.69 bkl 56.20 bkl Du, Mi verfasserin aut Acellular dermal matrix loading with bFGF achieves similar acceleration of bone regeneration to BMP-2 via differential effects on recruitment, proliferation and sustained osteodifferentiation of mesenchymal stem cells 2017transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. Zhu, Ting oth Duan, Xiaoqi oth Ge, Shaohua oth Li, Ning oth Sun, Qinfeng oth Yang, Pishan oth Enthalten in Elsevier Kameda, Tomohito ELSEVIER Adsorption of various metals by carboxymethyl-β-cyclodextrin-modified Zn 2020 Amsterdam (DE-627)ELV003774007 volume:70 year:2017 day:1 month:01 pages:62-70 extent:9 https://doi.org/10.1016/j.msec.2016.08.049 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-GGO 38.30 Mineralogie VZ 58.45 Gesteinshüttenkunde VZ 38.69 Bodenkunde: Sonstiges Geowissenschaften VZ 56.20 Ingenieurgeologie Bodenmechanik VZ AR 70 2017 1 0101 62-70 9 045F 600 |
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acellular dermal matrix loading with bfgf achieves similar acceleration of bone regeneration to bmp-2 via differential effects on recruitment, proliferation and sustained osteodifferentiation of mesenchymal stem cells |
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Acellular dermal matrix loading with bFGF achieves similar acceleration of bone regeneration to BMP-2 via differential effects on recruitment, proliferation and sustained osteodifferentiation of mesenchymal stem cells |
| abstract |
New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. |
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New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. |
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New generation of barrier membranes has been developed, which not only act as barriers but also as delivery devices to release specific growth factors. This study observed biological behaviors of bone morrow mesenchymal stem cells (BMMSCs) pretreated by bFGF or BMP-2 in vitro and evaluated differential bone regeneration process induced by bFGF and BMP-2 loaded acellular dermal matrix (ADM) membrane using critical-size rat calvarial defect model in vivo. The results showed that the proliferation capability of BMMSCs pretreated by bFGF was stronger than that by BMP-2, while there was temporally differential effect of bFGF and BMP-2 pretreatment on MSC osteogenic differentiation potentials. During healing process of rat calvarial defects, 2-fold more CD34−/CD90+ MSCs in group of bFGF-ADM was observed than in any other treatment group at 2weeks. However, there were similar amount of new bone formation and expression of osteopotin in newly-formed bone tissue in groups of bFGF- and BMP-2-ADM at 8weeks, which were more than those in ADM alone and blank control. Taken together, bFGF-ADM guided similar bone regeneration to BMP-2 through more efficient recruitment of MSCs, and moreover, BMMSCs pretreated by bFGF showed stronger proliferation at 1–5days and osteogenic differentiation potentials at 14days compared with BMP-2 pretreatment. |
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Acellular dermal matrix loading with bFGF achieves similar acceleration of bone regeneration to BMP-2 via differential effects on recruitment, proliferation and sustained osteodifferentiation of mesenchymal stem cells |
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