Mechanically enhanced composite hydrogel scaffold for
High-efficiency repair of critical bone defects is a pressing problem in clinical practice. However, most biological replacement materials do not simultaneously satisfy the dual requirements of mechanical strength and cell compatibility. In this study, chitosan methacryloyl (CSMA) and β-tricalcium p...
Ausführliche Beschreibung
Autor*in: |
Zhang, Yiwen [verfasserIn] Li, Zhixiang [verfasserIn] Wang, Ziqi [verfasserIn] Yan, Bomin [verfasserIn] Shi, Ao [verfasserIn] Xu, Jinnuo [verfasserIn] Guan, Jianzhong [verfasserIn] Zhang, Li [verfasserIn] Zhou, Pinghui [verfasserIn] Mao, Yingji [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2022 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Biomaterials advances - Amsterdam : Elsevier, 2022, 134 |
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Übergeordnetes Werk: |
volume:134 |
DOI / URN: |
10.1016/j.msec.2022.112700 |
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Katalog-ID: |
ELV007974760 |
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520 | |a High-efficiency repair of critical bone defects is a pressing problem in clinical practice. However, most biological replacement materials do not simultaneously satisfy the dual requirements of mechanical strength and cell compatibility. In this study, chitosan methacryloyl (CSMA) and β-tricalcium phosphate (β-TCP) were subjected to photo-crosslinking to form the CSMA/β-TCP composite hydrogel, which has strong mechanical properties contributing to bone regeneration. In addition, its scaffold can alter the morphology of bone marrow mesenchymal stem cells (BMSCs), promote their proliferation, enhance the expression of alkaline phosphatase (ALP), and augment the nodular deposition of calcium. Meanwhile, the expressions of osteogenic proteins (ALP, osteocalcin, and osteopontin) were upregulated and the regulatory mechanism of the Hippo signaling pathway was verified. Moreover, animal experiments have confirmed that CSMA/β-TCP has adequate biocompatibility and bone regeneration. These results demonstrate the immense potential of the CSMA/β-TCP composite hydrogel in bone regeneration therapy. | ||
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10.1016/j.msec.2022.112700 doi (DE-627)ELV007974760 (ELSEVIER)S0928-4931(22)00060-1 DE-627 ger DE-627 rda eng 570 600 DE-600 Zhang, Yiwen verfasserin aut Mechanically enhanced composite hydrogel scaffold for 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High-efficiency repair of critical bone defects is a pressing problem in clinical practice. However, most biological replacement materials do not simultaneously satisfy the dual requirements of mechanical strength and cell compatibility. In this study, chitosan methacryloyl (CSMA) and β-tricalcium phosphate (β-TCP) were subjected to photo-crosslinking to form the CSMA/β-TCP composite hydrogel, which has strong mechanical properties contributing to bone regeneration. In addition, its scaffold can alter the morphology of bone marrow mesenchymal stem cells (BMSCs), promote their proliferation, enhance the expression of alkaline phosphatase (ALP), and augment the nodular deposition of calcium. Meanwhile, the expressions of osteogenic proteins (ALP, osteocalcin, and osteopontin) were upregulated and the regulatory mechanism of the Hippo signaling pathway was verified. Moreover, animal experiments have confirmed that CSMA/β-TCP has adequate biocompatibility and bone regeneration. These results demonstrate the immense potential of the CSMA/β-TCP composite hydrogel in bone regeneration therapy. Hydrogel β-Tricalcium phosphate Mechanical strength Hippo signaling pathway Bone tissue engineering Li, Zhixiang verfasserin aut Wang, Ziqi verfasserin aut Yan, Bomin verfasserin aut Shi, Ao verfasserin aut Xu, Jinnuo verfasserin aut Guan, Jianzhong verfasserin aut Zhang, Li verfasserin aut Zhou, Pinghui verfasserin aut Mao, Yingji verfasserin aut Enthalten in Biomaterials advances Amsterdam : Elsevier, 2022 134 Online-Ressource (DE-627)1819876942 (DE-600)3138219-8 2772-9508 nnns volume:134 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_23 GBV_ILN_24 GBV_ILN_60 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 134 |
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10.1016/j.msec.2022.112700 doi (DE-627)ELV007974760 (ELSEVIER)S0928-4931(22)00060-1 DE-627 ger DE-627 rda eng 570 600 DE-600 Zhang, Yiwen verfasserin aut Mechanically enhanced composite hydrogel scaffold for 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High-efficiency repair of critical bone defects is a pressing problem in clinical practice. However, most biological replacement materials do not simultaneously satisfy the dual requirements of mechanical strength and cell compatibility. In this study, chitosan methacryloyl (CSMA) and β-tricalcium phosphate (β-TCP) were subjected to photo-crosslinking to form the CSMA/β-TCP composite hydrogel, which has strong mechanical properties contributing to bone regeneration. In addition, its scaffold can alter the morphology of bone marrow mesenchymal stem cells (BMSCs), promote their proliferation, enhance the expression of alkaline phosphatase (ALP), and augment the nodular deposition of calcium. Meanwhile, the expressions of osteogenic proteins (ALP, osteocalcin, and osteopontin) were upregulated and the regulatory mechanism of the Hippo signaling pathway was verified. Moreover, animal experiments have confirmed that CSMA/β-TCP has adequate biocompatibility and bone regeneration. These results demonstrate the immense potential of the CSMA/β-TCP composite hydrogel in bone regeneration therapy. Hydrogel β-Tricalcium phosphate Mechanical strength Hippo signaling pathway Bone tissue engineering Li, Zhixiang verfasserin aut Wang, Ziqi verfasserin aut Yan, Bomin verfasserin aut Shi, Ao verfasserin aut Xu, Jinnuo verfasserin aut Guan, Jianzhong verfasserin aut Zhang, Li verfasserin aut Zhou, Pinghui verfasserin aut Mao, Yingji verfasserin aut Enthalten in Biomaterials advances Amsterdam : Elsevier, 2022 134 Online-Ressource (DE-627)1819876942 (DE-600)3138219-8 2772-9508 nnns volume:134 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_23 GBV_ILN_24 GBV_ILN_60 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 134 |
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10.1016/j.msec.2022.112700 doi (DE-627)ELV007974760 (ELSEVIER)S0928-4931(22)00060-1 DE-627 ger DE-627 rda eng 570 600 DE-600 Zhang, Yiwen verfasserin aut Mechanically enhanced composite hydrogel scaffold for 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High-efficiency repair of critical bone defects is a pressing problem in clinical practice. However, most biological replacement materials do not simultaneously satisfy the dual requirements of mechanical strength and cell compatibility. In this study, chitosan methacryloyl (CSMA) and β-tricalcium phosphate (β-TCP) were subjected to photo-crosslinking to form the CSMA/β-TCP composite hydrogel, which has strong mechanical properties contributing to bone regeneration. In addition, its scaffold can alter the morphology of bone marrow mesenchymal stem cells (BMSCs), promote their proliferation, enhance the expression of alkaline phosphatase (ALP), and augment the nodular deposition of calcium. Meanwhile, the expressions of osteogenic proteins (ALP, osteocalcin, and osteopontin) were upregulated and the regulatory mechanism of the Hippo signaling pathway was verified. Moreover, animal experiments have confirmed that CSMA/β-TCP has adequate biocompatibility and bone regeneration. These results demonstrate the immense potential of the CSMA/β-TCP composite hydrogel in bone regeneration therapy. Hydrogel β-Tricalcium phosphate Mechanical strength Hippo signaling pathway Bone tissue engineering Li, Zhixiang verfasserin aut Wang, Ziqi verfasserin aut Yan, Bomin verfasserin aut Shi, Ao verfasserin aut Xu, Jinnuo verfasserin aut Guan, Jianzhong verfasserin aut Zhang, Li verfasserin aut Zhou, Pinghui verfasserin aut Mao, Yingji verfasserin aut Enthalten in Biomaterials advances Amsterdam : Elsevier, 2022 134 Online-Ressource (DE-627)1819876942 (DE-600)3138219-8 2772-9508 nnns volume:134 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_23 GBV_ILN_24 GBV_ILN_60 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 134 |
allfieldsGer |
10.1016/j.msec.2022.112700 doi (DE-627)ELV007974760 (ELSEVIER)S0928-4931(22)00060-1 DE-627 ger DE-627 rda eng 570 600 DE-600 Zhang, Yiwen verfasserin aut Mechanically enhanced composite hydrogel scaffold for 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High-efficiency repair of critical bone defects is a pressing problem in clinical practice. However, most biological replacement materials do not simultaneously satisfy the dual requirements of mechanical strength and cell compatibility. In this study, chitosan methacryloyl (CSMA) and β-tricalcium phosphate (β-TCP) were subjected to photo-crosslinking to form the CSMA/β-TCP composite hydrogel, which has strong mechanical properties contributing to bone regeneration. In addition, its scaffold can alter the morphology of bone marrow mesenchymal stem cells (BMSCs), promote their proliferation, enhance the expression of alkaline phosphatase (ALP), and augment the nodular deposition of calcium. Meanwhile, the expressions of osteogenic proteins (ALP, osteocalcin, and osteopontin) were upregulated and the regulatory mechanism of the Hippo signaling pathway was verified. Moreover, animal experiments have confirmed that CSMA/β-TCP has adequate biocompatibility and bone regeneration. These results demonstrate the immense potential of the CSMA/β-TCP composite hydrogel in bone regeneration therapy. Hydrogel β-Tricalcium phosphate Mechanical strength Hippo signaling pathway Bone tissue engineering Li, Zhixiang verfasserin aut Wang, Ziqi verfasserin aut Yan, Bomin verfasserin aut Shi, Ao verfasserin aut Xu, Jinnuo verfasserin aut Guan, Jianzhong verfasserin aut Zhang, Li verfasserin aut Zhou, Pinghui verfasserin aut Mao, Yingji verfasserin aut Enthalten in Biomaterials advances Amsterdam : Elsevier, 2022 134 Online-Ressource (DE-627)1819876942 (DE-600)3138219-8 2772-9508 nnns volume:134 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_23 GBV_ILN_24 GBV_ILN_60 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 134 |
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10.1016/j.msec.2022.112700 doi (DE-627)ELV007974760 (ELSEVIER)S0928-4931(22)00060-1 DE-627 ger DE-627 rda eng 570 600 DE-600 Zhang, Yiwen verfasserin aut Mechanically enhanced composite hydrogel scaffold for 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High-efficiency repair of critical bone defects is a pressing problem in clinical practice. However, most biological replacement materials do not simultaneously satisfy the dual requirements of mechanical strength and cell compatibility. In this study, chitosan methacryloyl (CSMA) and β-tricalcium phosphate (β-TCP) were subjected to photo-crosslinking to form the CSMA/β-TCP composite hydrogel, which has strong mechanical properties contributing to bone regeneration. In addition, its scaffold can alter the morphology of bone marrow mesenchymal stem cells (BMSCs), promote their proliferation, enhance the expression of alkaline phosphatase (ALP), and augment the nodular deposition of calcium. Meanwhile, the expressions of osteogenic proteins (ALP, osteocalcin, and osteopontin) were upregulated and the regulatory mechanism of the Hippo signaling pathway was verified. Moreover, animal experiments have confirmed that CSMA/β-TCP has adequate biocompatibility and bone regeneration. These results demonstrate the immense potential of the CSMA/β-TCP composite hydrogel in bone regeneration therapy. Hydrogel β-Tricalcium phosphate Mechanical strength Hippo signaling pathway Bone tissue engineering Li, Zhixiang verfasserin aut Wang, Ziqi verfasserin aut Yan, Bomin verfasserin aut Shi, Ao verfasserin aut Xu, Jinnuo verfasserin aut Guan, Jianzhong verfasserin aut Zhang, Li verfasserin aut Zhou, Pinghui verfasserin aut Mao, Yingji verfasserin aut Enthalten in Biomaterials advances Amsterdam : Elsevier, 2022 134 Online-Ressource (DE-627)1819876942 (DE-600)3138219-8 2772-9508 nnns volume:134 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_23 GBV_ILN_24 GBV_ILN_60 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 134 |
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Zhang, Yiwen @@aut@@ Li, Zhixiang @@aut@@ Wang, Ziqi @@aut@@ Yan, Bomin @@aut@@ Shi, Ao @@aut@@ Xu, Jinnuo @@aut@@ Guan, Jianzhong @@aut@@ Zhang, Li @@aut@@ Zhou, Pinghui @@aut@@ Mao, Yingji @@aut@@ |
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2022-01-01T00:00:00Z |
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High-efficiency repair of critical bone defects is a pressing problem in clinical practice. However, most biological replacement materials do not simultaneously satisfy the dual requirements of mechanical strength and cell compatibility. In this study, chitosan methacryloyl (CSMA) and β-tricalcium phosphate (β-TCP) were subjected to photo-crosslinking to form the CSMA/β-TCP composite hydrogel, which has strong mechanical properties contributing to bone regeneration. In addition, its scaffold can alter the morphology of bone marrow mesenchymal stem cells (BMSCs), promote their proliferation, enhance the expression of alkaline phosphatase (ALP), and augment the nodular deposition of calcium. Meanwhile, the expressions of osteogenic proteins (ALP, osteocalcin, and osteopontin) were upregulated and the regulatory mechanism of the Hippo signaling pathway was verified. Moreover, animal experiments have confirmed that CSMA/β-TCP has adequate biocompatibility and bone regeneration. These results demonstrate the immense potential of the CSMA/β-TCP composite hydrogel in bone regeneration therapy. |
abstractGer |
High-efficiency repair of critical bone defects is a pressing problem in clinical practice. However, most biological replacement materials do not simultaneously satisfy the dual requirements of mechanical strength and cell compatibility. In this study, chitosan methacryloyl (CSMA) and β-tricalcium phosphate (β-TCP) were subjected to photo-crosslinking to form the CSMA/β-TCP composite hydrogel, which has strong mechanical properties contributing to bone regeneration. In addition, its scaffold can alter the morphology of bone marrow mesenchymal stem cells (BMSCs), promote their proliferation, enhance the expression of alkaline phosphatase (ALP), and augment the nodular deposition of calcium. Meanwhile, the expressions of osteogenic proteins (ALP, osteocalcin, and osteopontin) were upregulated and the regulatory mechanism of the Hippo signaling pathway was verified. Moreover, animal experiments have confirmed that CSMA/β-TCP has adequate biocompatibility and bone regeneration. These results demonstrate the immense potential of the CSMA/β-TCP composite hydrogel in bone regeneration therapy. |
abstract_unstemmed |
High-efficiency repair of critical bone defects is a pressing problem in clinical practice. However, most biological replacement materials do not simultaneously satisfy the dual requirements of mechanical strength and cell compatibility. In this study, chitosan methacryloyl (CSMA) and β-tricalcium phosphate (β-TCP) were subjected to photo-crosslinking to form the CSMA/β-TCP composite hydrogel, which has strong mechanical properties contributing to bone regeneration. In addition, its scaffold can alter the morphology of bone marrow mesenchymal stem cells (BMSCs), promote their proliferation, enhance the expression of alkaline phosphatase (ALP), and augment the nodular deposition of calcium. Meanwhile, the expressions of osteogenic proteins (ALP, osteocalcin, and osteopontin) were upregulated and the regulatory mechanism of the Hippo signaling pathway was verified. Moreover, animal experiments have confirmed that CSMA/β-TCP has adequate biocompatibility and bone regeneration. These results demonstrate the immense potential of the CSMA/β-TCP composite hydrogel in bone regeneration therapy. |
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Li, Zhixiang Wang, Ziqi Yan, Bomin Shi, Ao Xu, Jinnuo Guan, Jianzhong Zhang, Li Zhou, Pinghui Mao, Yingji |
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However, most biological replacement materials do not simultaneously satisfy the dual requirements of mechanical strength and cell compatibility. In this study, chitosan methacryloyl (CSMA) and β-tricalcium phosphate (β-TCP) were subjected to photo-crosslinking to form the CSMA/β-TCP composite hydrogel, which has strong mechanical properties contributing to bone regeneration. In addition, its scaffold can alter the morphology of bone marrow mesenchymal stem cells (BMSCs), promote their proliferation, enhance the expression of alkaline phosphatase (ALP), and augment the nodular deposition of calcium. Meanwhile, the expressions of osteogenic proteins (ALP, osteocalcin, and osteopontin) were upregulated and the regulatory mechanism of the Hippo signaling pathway was verified. Moreover, animal experiments have confirmed that CSMA/β-TCP has adequate biocompatibility and bone regeneration. 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