Influences of Wuqinxi Bird Exercises Combined with Simple Breath Exercises on Quality of Life and Immune Function of Patients with Chronic Obstructive Pulmonary Disease / 广州中医药大学学报

Objective To evaluate the effect of the bird exercises of Wuqinxi bird exercises combined with simple breath exercises on the quality of life and immune function in patients with chronic obstructive pulmonary disease (COPD). Methods Sixty-eight COPD patients were allocated into observation group (N=32) and control group (N=36)according to the intention of the patients. The control group was given conventional inhalation of Seretide and Tiotropium Bromide,and the observation group did Wuqinxi bird exercises and simple breath exercises plus the conventional inhalation therapy. Before and after treatment,we compared the BODE indexes such as body mass index (BMI), air flow obstruction index of forced expiratory volume in one second (FEV1%), dyspnea scores,exercise capacity (6-min walking distance)as well as COPD assessment test (CAT)scores between the two groups before and after treatment. Meanwhile, the changes of T lymphocyte subtype CD3, CD4, CD8, CD4/CD8 levels and serum immunoglobulin M (IgM),IgA,IgG levels were also monitored. Results(1)After intervention, dyspnea scores of the observation group were obviously improved (P < 0.01), while the control group showed no obvious changes in dyspnea scores (P > 0.05). The observation group had better effect on improving dyspnea scores and 6-min walking distance than the control group (P < 0.05 or P <0.01).(2)After intervention,BODE index and CAT scores were improved in the observation group(P<0.01),BODE index was improved in the control group (P < 0.05), and the improvement of BODE index and CAT scores in the observation group was superior to that in the control group (P < 0.05 or P < 0.01). (3)After intervention, T lymphocyte subtype CD3 and CD4 levels as well as the serum IgM, IgA, IgG levels in the observation group were increased (P < 0.05 or P < 0.01),and IgA level in the control group was also increased (P < 0.05). The observation group had stronger effect on increasing T lymphocyte subtype CD3 and CD4 levels than the control group(P < 0.05 or P < 0.01).(4)The difference of adverse reaction incidence was insignificant between the two groups (P > 0.05). Conclusion Application of Wuqinxi bird exercises and simple breath exercises based on conventional inhalation therapy is effective on improving dyspnea, 6-min walking distance, BODE index and CAT scores, and on increasing T lymphocyte subtype CD3 and CD4 levels as well as the serum IgM and IgG levels of COPD patients.

Biocompatibility of polylactic-co-glycolic acid for culturing bFGF gene-transfected bone marrow stromal cells and application of the cell complex for repairing rabbit cartilage defect / 南方医科大学学报

<p><b>OBJECTIVE</b>To evaluate the biocompatibility of polylactic-co-glycolic acid (PLGA) for culturing bFGF gene-transfected bone marrow stromal cells (BMSCs) and assess the feasibility of this cell complex for repairing cartilage defect in rabbits using tissue engineering method.</p><p><b>METHODS</b>BMSCs transfected by bFGF gene were cultured on PLGA matrix to assess the biocompatibility of PLGA. The cell complex was then implanted into the cartilage defect in rabbits, and its effect in cartilage defect repair was evaluated by histological observation and immunohistochemical staining.</p><p><b>RESULTS</b>BMSCs transfected by bFGF gene grew normally on PLGA matrix. After implantation, the complex showed good effect for cartilage defect repair in rabbits.</p><p><b>CONCLUSION</b>PLGA has good biocompatibility with the transfected BMSCs, and the cell complex can be used for repairing rabbit cartilage defect and may potentially serve as a substitute of cartilage autograft.</p>

Construction of eukaryotic expression vectors of basic fibroblast growth factor and transfection in rabbit bone marrow stromal cells / 南方医科大学学报

<p><b>OBJECTIVE</b>To investigate approach and possibility of transferring basic fibroblast growth factor (bFGF) gene into rabbit bone marrow stromal cells (BMSCs).</p><p><b>METHODS</b>The eukaryotic expression vectors harboring bFGF cDNA were constructed and transfected into rabbit BMSCs mediated by liposome. The transcription and expression of bFGF gene in the transfected BMSCs were detected by means of morphological observation, immunohistochemistry, enzyme-linked immunosorbent assay (ELISA) and RT-PCR. The changes in the biological characteristics of the transfected MSCs were also observed.</p><p><b>RESULTS</b>Stable overexpression of bFGF protein was detected in the transfected BMSCs, which showed differentiation towards chondrocyte lineage.</p><p><b>CONCLUSION</b>Stable expression of bFGF gene in transfected BMSCs can induce cell differentiation into chondrocyte lineage.</p>