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Yin Zhao - One of the best experts on this subject based on the ideXlab platform.
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role of fgf 2 transfected bone marrow mesenchymal stem cells in engineered bone tissue for repair of Avascular Necrosis of femoral head in rabbits
Cellular Physiology and Biochemistry, 2018Co-Authors: Fei Zhang, Wuxun Peng, Lei Wang, Jian Zhang, Wentao Dong, Huai Zhang, Jianbo Wang, Yin ZhaoAbstract:BACKGROUND/AIMS Avascular Necrosis of the femoral head (ANFH) is the focus and difficulty of orthopedic diseases. Recently, tissue engineering bone for this disease has shown a good therapeutic effect. The aim of the present study was to investigate the therapeutic effect of basic fibroblast growth factor (FGF-2) as cytokines transfected bone marrow mesenchymal stem cells (BMSCs) in constructing tissue-engineered bone for Avascular Necrosis of the femoral head. METHODS The FGF-2 gene overexpressed lentivirus-transfected rBMSCs with xenogeneic antigen-extracted cancellous bone (XACB) to construct tissue engineered bone, and the model of early Avascular Necrosis of the femoral head was established by lipopolysaccharide (LPS) combined with hormone. The models were randomly divided into five groups: A (control), B (XACB), C (XACB+rBMSCs), D (XACB+rBMSCs+Lv-GFP), and E (XACB+rBMSCs+Lv-FGF-2/GFP) groups. The therapeutic effect of the tissue engineered bone for the Avascular Necrosis of the femoral head was evaluated by gross anatomy, X-ray examination, immunohistochemistry and H&E staining. RESULTS The FGF-2 gene was transfected into rBMSCs (Multiplicity of infection [MOI] = 100) by lentivirus, and its efficiency was above 95%. The rBMSCs were successfully transfected overexpressing FGF-2 by qPCR and western blot. After tissue engineering bone implantation, X-ray examination and gross specimen observation revealed that the repair area in the E group was > 80% at six weeks, the defect was completely repaired at 12 weeks, and osteogenesis was stronger, when compared with the other groups. For the X-ray score, vascular area density and new bone formation area were higher, when compared with the other groups, and the difference was statistically significant (P< 0.05). CONCLUSION FGF-2 gene overexpression lentivirus transfection BMSCs combined with XACB to construct tissue engineered bone can effectively promote vascular regeneration, and improve the repair effect of Avascular Necrosis of the femoral head.
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Role of FGF-2 Transfected Bone Marrow Mesenchymal Stem Cells in Engineered Bone Tissue for Repair of Avascular Necrosis of Femoral Head in Rabbits
Karger Publishers, 2018Co-Authors: Fei Zhang, Lei Wang, Jian Zhang, Wentao Dong, Huai Zhang, Jianbo Wang, Wu-xun Peng, Yin ZhaoAbstract:Background/Aims: Avascular Necrosis of the femoral head (ANFH) is the focus and difficulty of orthopedic diseases. Recently, tissue engineering bone for this disease has shown a good therapeutic effect. The aim of the present study was to investigate the therapeutic effect of basic fibroblast growth factor (FGF-2) as cytokines transfected bone marrow mesenchymal stem cells (BMSCs) in constructing tissue-engineered bone for Avascular Necrosis of the femoral head. Methods: The FGF-2 gene overexpressed lentivirus-transfected rBMSCs with xenogeneic antigen-extracted cancellous bone (XACB) to construct tissue engineered bone, and the model of early Avascular Necrosis of the femoral head was established by lipopolysaccharide (LPS) combined with hormone. The models were randomly divided into five groups: A (control), B (XACB), C (XACB+rBMSCs), D (XACB+rBMSCs+Lv-GFP), and E (XACB+rBMSCs+Lv-FGF-2/GFP) groups. The therapeutic effect of the tissue engineered bone for the Avascular Necrosis of the femoral head was evaluated by gross anatomy, X-ray examination, immunohistochemistry and H&E staining. Results: The FGF-2 gene was transfected into rBMSCs (Multiplicity of infection [MOI] = 100) by lentivirus, and its efficiency was above 95%. The rBMSCs were successfully transfected overexpressing FGF-2 by qPCR and western blot. After tissue engineering bone implantation, X-ray examination and gross specimen observation revealed that the repair area in the E group was > 80% at six weeks, the defect was completely repaired at 12 weeks, and osteogenesis was stronger, when compared with the other groups. For the X-ray score, vascular area density and new bone formation area were higher, when compared with the other groups, and the difference was statistically significant (P< 0.05). Conclusion: FGF-2 gene overexpression lentivirus transfection BMSCs combined with XACB to construct tissue engineered bone can effectively promote vascular regeneration, and improve the repair effect of Avascular Necrosis of the femoral head
Fei Zhang - One of the best experts on this subject based on the ideXlab platform.
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role of fgf 2 transfected bone marrow mesenchymal stem cells in engineered bone tissue for repair of Avascular Necrosis of femoral head in rabbits
Cellular Physiology and Biochemistry, 2018Co-Authors: Fei Zhang, Wuxun Peng, Lei Wang, Jian Zhang, Wentao Dong, Huai Zhang, Jianbo Wang, Yin ZhaoAbstract:BACKGROUND/AIMS Avascular Necrosis of the femoral head (ANFH) is the focus and difficulty of orthopedic diseases. Recently, tissue engineering bone for this disease has shown a good therapeutic effect. The aim of the present study was to investigate the therapeutic effect of basic fibroblast growth factor (FGF-2) as cytokines transfected bone marrow mesenchymal stem cells (BMSCs) in constructing tissue-engineered bone for Avascular Necrosis of the femoral head. METHODS The FGF-2 gene overexpressed lentivirus-transfected rBMSCs with xenogeneic antigen-extracted cancellous bone (XACB) to construct tissue engineered bone, and the model of early Avascular Necrosis of the femoral head was established by lipopolysaccharide (LPS) combined with hormone. The models were randomly divided into five groups: A (control), B (XACB), C (XACB+rBMSCs), D (XACB+rBMSCs+Lv-GFP), and E (XACB+rBMSCs+Lv-FGF-2/GFP) groups. The therapeutic effect of the tissue engineered bone for the Avascular Necrosis of the femoral head was evaluated by gross anatomy, X-ray examination, immunohistochemistry and H&E staining. RESULTS The FGF-2 gene was transfected into rBMSCs (Multiplicity of infection [MOI] = 100) by lentivirus, and its efficiency was above 95%. The rBMSCs were successfully transfected overexpressing FGF-2 by qPCR and western blot. After tissue engineering bone implantation, X-ray examination and gross specimen observation revealed that the repair area in the E group was > 80% at six weeks, the defect was completely repaired at 12 weeks, and osteogenesis was stronger, when compared with the other groups. For the X-ray score, vascular area density and new bone formation area were higher, when compared with the other groups, and the difference was statistically significant (P< 0.05). CONCLUSION FGF-2 gene overexpression lentivirus transfection BMSCs combined with XACB to construct tissue engineered bone can effectively promote vascular regeneration, and improve the repair effect of Avascular Necrosis of the femoral head.
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Role of FGF-2 Transfected Bone Marrow Mesenchymal Stem Cells in Engineered Bone Tissue for Repair of Avascular Necrosis of Femoral Head in Rabbits
Karger Publishers, 2018Co-Authors: Fei Zhang, Lei Wang, Jian Zhang, Wentao Dong, Huai Zhang, Jianbo Wang, Wu-xun Peng, Yin ZhaoAbstract:Background/Aims: Avascular Necrosis of the femoral head (ANFH) is the focus and difficulty of orthopedic diseases. Recently, tissue engineering bone for this disease has shown a good therapeutic effect. The aim of the present study was to investigate the therapeutic effect of basic fibroblast growth factor (FGF-2) as cytokines transfected bone marrow mesenchymal stem cells (BMSCs) in constructing tissue-engineered bone for Avascular Necrosis of the femoral head. Methods: The FGF-2 gene overexpressed lentivirus-transfected rBMSCs with xenogeneic antigen-extracted cancellous bone (XACB) to construct tissue engineered bone, and the model of early Avascular Necrosis of the femoral head was established by lipopolysaccharide (LPS) combined with hormone. The models were randomly divided into five groups: A (control), B (XACB), C (XACB+rBMSCs), D (XACB+rBMSCs+Lv-GFP), and E (XACB+rBMSCs+Lv-FGF-2/GFP) groups. The therapeutic effect of the tissue engineered bone for the Avascular Necrosis of the femoral head was evaluated by gross anatomy, X-ray examination, immunohistochemistry and H&E staining. Results: The FGF-2 gene was transfected into rBMSCs (Multiplicity of infection [MOI] = 100) by lentivirus, and its efficiency was above 95%. The rBMSCs were successfully transfected overexpressing FGF-2 by qPCR and western blot. After tissue engineering bone implantation, X-ray examination and gross specimen observation revealed that the repair area in the E group was > 80% at six weeks, the defect was completely repaired at 12 weeks, and osteogenesis was stronger, when compared with the other groups. For the X-ray score, vascular area density and new bone formation area were higher, when compared with the other groups, and the difference was statistically significant (P< 0.05). Conclusion: FGF-2 gene overexpression lentivirus transfection BMSCs combined with XACB to construct tissue engineered bone can effectively promote vascular regeneration, and improve the repair effect of Avascular Necrosis of the femoral head
G Socie - One of the best experts on this subject based on the ideXlab platform.
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Avascular Necrosis of bone after allogeneic bone marrow transplantation analysis of risk factors for 4388 patients by the societe francaise de greffe de moelle sfgm
British Journal of Haematology, 1997Co-Authors: G Socie, J Y Cahn, J Carmelo, J P Vernant, J P Jouet, Norbert Ifrah, Noel Milpied, M Michallet, Bruno Lioure, J L PicoAbstract:Increasing numbers of patients are surviving after allogeneic bone marrow transplantation and are therefore at risk for developing late complications. Among these complications, Avascular Necrosis of bone has been reported, but only two single-centre studies included sufficient patients to enable analysis of the risk factors for developing Avascular Necrosis. In this multicentre retrospective study the aim was to assess risk factors for this complication in a large number of patients. The population consisted of 4388 patients, recorded in the Societe Francaise de Greffe de Moelle (SFGM) data base, who had undergone a single allogeneic bone marrow transplant between January 1974 and December 1993. 77 patients developed Avascular Necrosis leading to a 4.3% projected incidence at 5 years. Symptoms developed 2–132 months after transplantation. In these 77 patients a mean of 1.87 joints per patient were affected (range 1–7). The hip joint was the most often affected (88% of patients) and 48% of the patients required joint replacement. All but two patients received steroids for acute and/or chronic graft-versus-host disease (GvHD) over a mean period of 15 months. In univariate analysis, among eight factors tested as risk factors for developing Avascular Necrosis, six were shown to be linked to an increased risk: older age, diagnosis of aplastic anaemia or acute leukaemia, an irradiation-based conditioning regimen, type of GvHD prophylaxis regimens, acute and chronic GvHD. In multivariate logistic regression analysis, five factors remained significantly associated with an increased risk for developing Avascular Necrosis: chronic GvHD (odds ratio (OR) 3.52), acute GvHD (OR 3.73), age>16 years (OR 5.81), aplastic anaemia (OR 3.90), and acute leukaemia (OR 1.72). Avascular Necrosis is not a rare late complication of allogeneic bone marrow transplantation causing significant morbidity. In this study, older age, initial diagnosis, and GvHD and/or its treatment with steroids emerged as significant risk factors.
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Avascular Necrosis of bone after allogeneic bone marrow transplantation clinical findings incidence and risk factors
British Journal of Haematology, 1994Co-Authors: G Socie, F Selimi, L Sedel, J Frija, A Devergie, Esperou H Bourdeau, Patricia Ribaud, E GluckmanAbstract:In the present study we describe the incidence, clinical course, and management of Avascular Necrosis of bone following allogeneic bone marrow transplantation, and identify risk factors related to its development. All patients developing Avascular Necrosis of bone after allogeneic bone marrow transplantation between January 1974 and September 1992 were included in the analysis and were studied using the Hopital Saint Louis Bone Marrow Transplant Database and hospital records. 27/727 allogeneic transplant recipients developed Avascular Necrosis leading to an 8.1% incidence at 5 years, by product limit estimate, ranging from 5% to 11.2%. Symptoms developed 119-1747 d (median 398 d) after transplantation. In these 27 patients a total of 52 joints were affected (mean 1.92 per patient, range 1-7). The hip joint was most often affected (69% of patients). All patients had joint pain that led to diagnosis by means of standard radiographs with or without the help of technetium-99 scans and/or magnetic resonance imaging. All but three patients received steroid therapy for acute graft-versus-host disease. Among 10 factors tested, three were shown to be significantly linked to an increased risk for developing Avascular Necrosis by multivariate analysis: male gender (relative risk (RR) 4.72, P = 0.002), age older than 16 (RR = 3.87, P = 0.004), and acute graft-versus-host disease requiring steroid therapy (RR = 6.30, P = 0.0002). 10 patients (37%) required joint replacement within 19 months (range 2-42) following diagnosis of Avascular Necrosis. In conclusion, Avascular Necrosis of bone is a frequent late complication of allogeneic bone marrow transplantation causing significant morbidity and requiring replacement surgery in one-third of affected patients. In this 18-year single-centre survey, older age, male gender and steroid therapy given for acute graft-versus-host disease were shown to independently increase the risk of Avascular Necrosis of bone.
Jianbo Wang - One of the best experts on this subject based on the ideXlab platform.
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role of fgf 2 transfected bone marrow mesenchymal stem cells in engineered bone tissue for repair of Avascular Necrosis of femoral head in rabbits
Cellular Physiology and Biochemistry, 2018Co-Authors: Fei Zhang, Wuxun Peng, Lei Wang, Jian Zhang, Wentao Dong, Huai Zhang, Jianbo Wang, Yin ZhaoAbstract:BACKGROUND/AIMS Avascular Necrosis of the femoral head (ANFH) is the focus and difficulty of orthopedic diseases. Recently, tissue engineering bone for this disease has shown a good therapeutic effect. The aim of the present study was to investigate the therapeutic effect of basic fibroblast growth factor (FGF-2) as cytokines transfected bone marrow mesenchymal stem cells (BMSCs) in constructing tissue-engineered bone for Avascular Necrosis of the femoral head. METHODS The FGF-2 gene overexpressed lentivirus-transfected rBMSCs with xenogeneic antigen-extracted cancellous bone (XACB) to construct tissue engineered bone, and the model of early Avascular Necrosis of the femoral head was established by lipopolysaccharide (LPS) combined with hormone. The models were randomly divided into five groups: A (control), B (XACB), C (XACB+rBMSCs), D (XACB+rBMSCs+Lv-GFP), and E (XACB+rBMSCs+Lv-FGF-2/GFP) groups. The therapeutic effect of the tissue engineered bone for the Avascular Necrosis of the femoral head was evaluated by gross anatomy, X-ray examination, immunohistochemistry and H&E staining. RESULTS The FGF-2 gene was transfected into rBMSCs (Multiplicity of infection [MOI] = 100) by lentivirus, and its efficiency was above 95%. The rBMSCs were successfully transfected overexpressing FGF-2 by qPCR and western blot. After tissue engineering bone implantation, X-ray examination and gross specimen observation revealed that the repair area in the E group was > 80% at six weeks, the defect was completely repaired at 12 weeks, and osteogenesis was stronger, when compared with the other groups. For the X-ray score, vascular area density and new bone formation area were higher, when compared with the other groups, and the difference was statistically significant (P< 0.05). CONCLUSION FGF-2 gene overexpression lentivirus transfection BMSCs combined with XACB to construct tissue engineered bone can effectively promote vascular regeneration, and improve the repair effect of Avascular Necrosis of the femoral head.
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Role of FGF-2 Transfected Bone Marrow Mesenchymal Stem Cells in Engineered Bone Tissue for Repair of Avascular Necrosis of Femoral Head in Rabbits
Karger Publishers, 2018Co-Authors: Fei Zhang, Lei Wang, Jian Zhang, Wentao Dong, Huai Zhang, Jianbo Wang, Wu-xun Peng, Yin ZhaoAbstract:Background/Aims: Avascular Necrosis of the femoral head (ANFH) is the focus and difficulty of orthopedic diseases. Recently, tissue engineering bone for this disease has shown a good therapeutic effect. The aim of the present study was to investigate the therapeutic effect of basic fibroblast growth factor (FGF-2) as cytokines transfected bone marrow mesenchymal stem cells (BMSCs) in constructing tissue-engineered bone for Avascular Necrosis of the femoral head. Methods: The FGF-2 gene overexpressed lentivirus-transfected rBMSCs with xenogeneic antigen-extracted cancellous bone (XACB) to construct tissue engineered bone, and the model of early Avascular Necrosis of the femoral head was established by lipopolysaccharide (LPS) combined with hormone. The models were randomly divided into five groups: A (control), B (XACB), C (XACB+rBMSCs), D (XACB+rBMSCs+Lv-GFP), and E (XACB+rBMSCs+Lv-FGF-2/GFP) groups. The therapeutic effect of the tissue engineered bone for the Avascular Necrosis of the femoral head was evaluated by gross anatomy, X-ray examination, immunohistochemistry and H&E staining. Results: The FGF-2 gene was transfected into rBMSCs (Multiplicity of infection [MOI] = 100) by lentivirus, and its efficiency was above 95%. The rBMSCs were successfully transfected overexpressing FGF-2 by qPCR and western blot. After tissue engineering bone implantation, X-ray examination and gross specimen observation revealed that the repair area in the E group was > 80% at six weeks, the defect was completely repaired at 12 weeks, and osteogenesis was stronger, when compared with the other groups. For the X-ray score, vascular area density and new bone formation area were higher, when compared with the other groups, and the difference was statistically significant (P< 0.05). Conclusion: FGF-2 gene overexpression lentivirus transfection BMSCs combined with XACB to construct tissue engineered bone can effectively promote vascular regeneration, and improve the repair effect of Avascular Necrosis of the femoral head
Huai Zhang - One of the best experts on this subject based on the ideXlab platform.
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role of fgf 2 transfected bone marrow mesenchymal stem cells in engineered bone tissue for repair of Avascular Necrosis of femoral head in rabbits
Cellular Physiology and Biochemistry, 2018Co-Authors: Fei Zhang, Wuxun Peng, Lei Wang, Jian Zhang, Wentao Dong, Huai Zhang, Jianbo Wang, Yin ZhaoAbstract:BACKGROUND/AIMS Avascular Necrosis of the femoral head (ANFH) is the focus and difficulty of orthopedic diseases. Recently, tissue engineering bone for this disease has shown a good therapeutic effect. The aim of the present study was to investigate the therapeutic effect of basic fibroblast growth factor (FGF-2) as cytokines transfected bone marrow mesenchymal stem cells (BMSCs) in constructing tissue-engineered bone for Avascular Necrosis of the femoral head. METHODS The FGF-2 gene overexpressed lentivirus-transfected rBMSCs with xenogeneic antigen-extracted cancellous bone (XACB) to construct tissue engineered bone, and the model of early Avascular Necrosis of the femoral head was established by lipopolysaccharide (LPS) combined with hormone. The models were randomly divided into five groups: A (control), B (XACB), C (XACB+rBMSCs), D (XACB+rBMSCs+Lv-GFP), and E (XACB+rBMSCs+Lv-FGF-2/GFP) groups. The therapeutic effect of the tissue engineered bone for the Avascular Necrosis of the femoral head was evaluated by gross anatomy, X-ray examination, immunohistochemistry and H&E staining. RESULTS The FGF-2 gene was transfected into rBMSCs (Multiplicity of infection [MOI] = 100) by lentivirus, and its efficiency was above 95%. The rBMSCs were successfully transfected overexpressing FGF-2 by qPCR and western blot. After tissue engineering bone implantation, X-ray examination and gross specimen observation revealed that the repair area in the E group was > 80% at six weeks, the defect was completely repaired at 12 weeks, and osteogenesis was stronger, when compared with the other groups. For the X-ray score, vascular area density and new bone formation area were higher, when compared with the other groups, and the difference was statistically significant (P< 0.05). CONCLUSION FGF-2 gene overexpression lentivirus transfection BMSCs combined with XACB to construct tissue engineered bone can effectively promote vascular regeneration, and improve the repair effect of Avascular Necrosis of the femoral head.
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Role of FGF-2 Transfected Bone Marrow Mesenchymal Stem Cells in Engineered Bone Tissue for Repair of Avascular Necrosis of Femoral Head in Rabbits
Karger Publishers, 2018Co-Authors: Fei Zhang, Lei Wang, Jian Zhang, Wentao Dong, Huai Zhang, Jianbo Wang, Wu-xun Peng, Yin ZhaoAbstract:Background/Aims: Avascular Necrosis of the femoral head (ANFH) is the focus and difficulty of orthopedic diseases. Recently, tissue engineering bone for this disease has shown a good therapeutic effect. The aim of the present study was to investigate the therapeutic effect of basic fibroblast growth factor (FGF-2) as cytokines transfected bone marrow mesenchymal stem cells (BMSCs) in constructing tissue-engineered bone for Avascular Necrosis of the femoral head. Methods: The FGF-2 gene overexpressed lentivirus-transfected rBMSCs with xenogeneic antigen-extracted cancellous bone (XACB) to construct tissue engineered bone, and the model of early Avascular Necrosis of the femoral head was established by lipopolysaccharide (LPS) combined with hormone. The models were randomly divided into five groups: A (control), B (XACB), C (XACB+rBMSCs), D (XACB+rBMSCs+Lv-GFP), and E (XACB+rBMSCs+Lv-FGF-2/GFP) groups. The therapeutic effect of the tissue engineered bone for the Avascular Necrosis of the femoral head was evaluated by gross anatomy, X-ray examination, immunohistochemistry and H&E staining. Results: The FGF-2 gene was transfected into rBMSCs (Multiplicity of infection [MOI] = 100) by lentivirus, and its efficiency was above 95%. The rBMSCs were successfully transfected overexpressing FGF-2 by qPCR and western blot. After tissue engineering bone implantation, X-ray examination and gross specimen observation revealed that the repair area in the E group was > 80% at six weeks, the defect was completely repaired at 12 weeks, and osteogenesis was stronger, when compared with the other groups. For the X-ray score, vascular area density and new bone formation area were higher, when compared with the other groups, and the difference was statistically significant (P< 0.05). Conclusion: FGF-2 gene overexpression lentivirus transfection BMSCs combined with XACB to construct tissue engineered bone can effectively promote vascular regeneration, and improve the repair effect of Avascular Necrosis of the femoral head
