神经生长因子基因修饰的骨髓间充质干细胞在糖尿病大鼠膀胱中的生长及表达

Objective To confirm that rat bone marrow mesenchymal stem cells (MSC) transfected with nerve growth factor (NGF) gene in the bladder tissue of diabetic rats bladder tissues can survive and stably express NGF. Methods A diabetic rat model was constructed. The BrdU-labelled MSC transfected with NGF gene were transplanted into the diabetic rats bladder tissues. BrdUlabelled immunohistochemistry was used to observe the growth of MSC transfected with NGF gene in the diabetic rats bladder tissues. The expression of NGF mRNA and protein were checked by RT-PCR and ELISA. Results A diabetic rat model was successfully built by a single intraperitoneal injectionof STZ. The blood glucose was still high after 8 weeks. NGF gene modified MSC could be detected in the bladder of diabetic rats by BrdU-labelled immunohistochemistry. The concentration of NGF in the control group, disease group and treatment group were ( 114 ± 3), ( 70 ± 2), ( 110 ± 2) pg/ml by ELISA and mRNA quantity by RT-PCR were 0. 183±0. 004, 0. 032±0. 139, 0. 130±0. 165, respectively. Compared with the control group, the expression of NGF gene was decreased (P＜0. 05) in the incidence group. The expression of NGF gene was increased (P＜0. 05) in the treatment group compared with the disease group. Conclusions The NGF gene-modified MSC could survive in diabetic rats bladder tissues. The NGF gene in MSC could stably express in diabetic rats bladder tissues.     

F6/7.5输尿管镜联合钬激光碎石治疗小儿输尿管结石

目的 探讨F6/7.5输尿管镜联合钬激光碎石治疗小儿输尿管结石的疗效.方法 回顾性分析2010年6月至2015年9月收治的29例采用F6/7.5输尿管镜联合钬激光碎石治疗的小儿输尿管结石的临床资料.结果 28例行输尿管镜联合钬激光碎石成功,l例因进镜失败改开放手术取石.手术时间30～80min,平均46min,2例输尿管上段结石术中部分较大结石碎片冲入肾盂,术后行体外碎石排出.术后1例出现发热,予抗感染治疗后体温下降.术后血尿2～4d消失,4～7d出院.术后4周复查CT未见明显结石残留,肾积水恢复正常或已明显改善.结论 F6/7.5输尿管镜联合钬激光治疗小儿输尿管结石,成功率高,并发症少,疗效满意,是治疗小儿输尿管结石的良好方法.     

一次性包皮环切缝合器与吻合器治疗包皮过长和包茎的临床疗效对比

目的:探讨一次性包皮环切缝合器与吻合器治疗包皮过长和包茎的治疗效果。方法:将2013年2月至2015年10月就诊我院的包茎和包皮过长患者,按手术方法分为一次性包皮环切缝合器组与吻合器组,对比一次性包皮环切缝合器与吻合器治疗包茎与包皮过长的疗效,并对两组临床资料进行对比。结果:两组患者手术时疼痛评分无明显差异(P均0.05);手术时间、术中出血、术后疼痛评分、手术并发症、伤口愈合时间、术后包皮外观满意度及治疗费用的差异有统计学意义;包皮环切缝合器治疗包茎与包皮过长手术在术后疼痛评分、手术并发症、伤口愈合、术后外观满意度方面优于吻合器,而包皮吻合器在手术时间、手术中出血、手术费用方面优于缝合器(P均0.05)。结论:包皮环切缝合器治疗包茎与包皮过长手术在术后疼痛评分、手术并发症、伤口愈合、术后外观满意度方面优于吻合器,而包皮吻合器在手术时间、手术中出血、手术费用方面优于缝合器。术前可依据患者的需要及经济条件等充分的解释并选择个性化的手术方式。     

神经生长因子基因修饰的骨髓间充质干细胞在糖尿病大鼠膀胱中的生长及表达

目的 将转入神经生长因子(NGF)的大鼠骨髓间充质干细胞(MSC)移植于糖尿病大鼠膀胱平滑肌组织内,观察MSC在膀胱组织内的存活和NGF基因的表达情况.方法 糖尿病组(30只)大鼠按链脲佐菌素(STZ)60 mg/kg行单次腹腔注射,对照组(15只)腹腔注射等体积的柠檬酸缓冲液.实验分组:对照组(正常大鼠膀胱)、发病组(糖尿病大鼠膀胱)、治疗组(糖尿病大鼠膀胱内移植转染NGF基因的MSC).溴苷法示踪NGF基因修饰的MSC在大鼠膀胱内的存活情况;RTPCR、ELISA法检测NGF基因在糖尿病大鼠膀胱内的表达情况.结果 单次腹腔注射STZ造模成功,8周后血糖仍处高位.NGF基因修饰的大鼠MSC移植入糖尿病大鼠膀胱内4周仍存活.ELISA检测结果显示对照组、发病组、治疗组大鼠膀胱NGF蛋白含量分别为(114±3)、(70±2)、(110±2)pg/ml,RT-PCR检测mRNA表达量分别为0.183±0.004、0.032±0.139、0.130±0.165.发病组与对照组相比NGF表达下降(P＜0.05),治疗组与发病组相比NGF表达上升(P＜0.05).结论转入NGF基因的大鼠MSC能在糖尿病大鼠膀胱中存活并稳定表达.

Abstract：

Objective To confirm that rat bone marrow mesenchymal stem cells (MSC) transfected with nerve growth factor (NGF) gene in the bladder tissue of diabetic rats bladder tissues can survive and stably express NGF. Methods A diabetic rat model was constructed. The BrdU-labelled MSC transfected with NGF gene were transplanted into the diabetic rats bladder tissues. BrdUlabelled immunohistochemistry was used to observe the growth of MSC transfected with NGF gene in the diabetic rats bladder tissues. The expression of NGF mRNA and protein were checked by RT-PCR and ELISA. Results A diabetic rat model was successfully built by a single intraperitoneal injectionof STZ. The blood glucose was still high after 8 weeks. NGF gene modified MSC could be detected in the bladder of diabetic rats by BrdU-labelled immunohistochemistry. The concentration of NGF in the control group, disease group and treatment group were ( 114 ± 3), ( 70 ± 2), ( 110 ± 2) pg/ml by ELISA and mRNA quantity by RT-PCR were 0. 183±0. 004, 0. 032±0. 139, 0. 130±0. 165, respectively. Compared with the control group, the expression of NGF gene was decreased (P＜0. 05) in the incidence group. The expression of NGF gene was increased (P＜0. 05) in the treatment group compared with the disease group. Conclusions The NGF gene-modified MSC could survive in diabetic rats bladder tissues. The NGF gene in MSC could stably express in diabetic rats bladder tissues.     

肾透明细胞癌组织中B7-H1的表达及其与预后的关系

目的探讨B7-H1在肾透明细胞癌组织中的表达及其与预后的关系。方法采用免疫组织化学方法检测132例肾透明细胞癌患者术后肿瘤标本中B7-H1的表达,单因素及多因素分析B7-H1的表达与预后的关系。结果 132例患者中,B7-H1阳性46例（34.85%）,其中无瘤生存26例,复发6例,死亡14例,至最后随访期限,疾病无进展生存期（PFS）为（32.29±12.56）个月,总生存期（OS）为（27.08±15.43）个月;阴性86例（65.15%）,其中无瘤生存79例,复发3例,死亡4例,PFS为（38.77±20.00）个月,OS为（37.02±20.00）个月,两者比较差异有统计学意义（P〈0.05）。单因素分析表明,B7-H1阳性表达与肿瘤大小、原发肿瘤分期、区域淋巴结转移、远处转移、临床分期、组织学分级呈显著正相关（均P〈0.05）,而与患者年龄、性别无相关性。多因素分析表明,在控制肿瘤大小、TNM分期、临床分期、组织学分级的影响后,B7-H1阳性表达具有更高的肿瘤特异性死亡率[危险因素（RR）3.918,95%可信区间（95%CI）1.305～11.765,P〈0.05]和复发率[RR4.486,95%CI1.404～14.333,P〈0.05]。结论 B7-H1阳性表达与肾透明细胞癌患者术后死亡率及复发率呈正相关,B7-H1是肾透明细胞癌的一个独立预后因素。     

速尿联合多沙唑嗪治疗BPH/LUTS患者夜尿增多的研究

目的:探讨速尿联合多沙唑嗪治疗BPH/LUTS患者夜尿增多的疗效及安全性。方法:将64例BPH/LUTS夜尿增多患者随机均分为两组,一组患者给予多沙唑嗪(4 mg/d),另一组患者给予速尿(睡前6 h40 mg)联合多沙唑嗪,两组患者分别治疗4周后,记录并分析治疗前后患者的尿量、IPSS评分、QOL评分、血电解质和血浆渗透压变化情况。结果:速尿联合多沙唑嗪组与单用多沙唑嗪组比较,夜尿次数明显减少(P<0.01),白天尿量增加(P<0.01),夜间尿量减少(P<0.01),总尿量无明显改变(P>0.05),IPSS评分下降(P<0.05),QOL评分明显下降(P<0.01),血钠、钾、氯、渗透压无明显变化(P>0.05)。结论:速尿联合多沙唑嗪治疗BPH/LUTS患者夜尿增多的疗效明显,4周的治疗是安全的。     

IL-2、IFN-α和IFN-γ上调肾透明细胞癌786-0细胞B7-H1的表达

目的： 研究IL-2、IFN-α和IFN-γ对人肾透明细胞癌786-0细胞上B7-H1表达的影响。 方法： IL-2、IFN-α和IFN-γ刺激786-0细胞,RT-PCR检测刺激后786-0细胞B7-H1 mRNA的表达,免疫细胞化学、免疫荧光染色和流式细胞术检测刺激后786-0细胞中B7-H1蛋白的表达。 结果： RT-PCR检测结果显示,IL-2、IFN-α和IFN-γ组786-0细胞的B7-H1 mRNA表达量明显高于未经刺激的786-0细胞（0.75±0.06、0.68±0.05、0.95±0.08 vs 0.30±0.03,P﹤0.05或P<0.01）;免疫细胞化学和免疫荧光检测结果显示,B7-H1蛋白主要表达在786-0细胞的细胞膜上,IL-2、IFN-α和IFN-γ刺激后B7-H1表达明显上调;流式细胞术检测结果显示,IL-2、IFN-α和IFN-γ组786-0细胞的B7-H1分子表达阳性率明显高于未经刺激的786-0细胞\[（6570±326）%、（56.52±1.75）%、（84.05±3.52）% vs（20.49±1.03）%,P<0.01\]。 结论： IL-2、IFN-α和IFN-γ均上调786-0细胞B7-H1 mRNA和蛋白的表达,其中IFN-γ上调程度最高,IFN-α上调程度最低。     

神经生长因子基因修饰的骨髓间充质干细胞在糖尿病大鼠膀胱中的生长及表达

Objective To confirm that rat bone marrow mesenchymal stem cells (MSC) transfected with nerve growth factor (NGF) gene in the bladder tissue of diabetic rats bladder tissues can survive and stably express NGF. Methods A diabetic rat model was constructed. The BrdU-labelled MSC transfected with NGF gene were transplanted into the diabetic rats bladder tissues. BrdUlabelled immunohistochemistry was used to observe the growth of MSC transfected with NGF gene in the diabetic rats bladder tissues. The expression of NGF mRNA and protein were checked by RT-PCR and ELISA. Results A diabetic rat model was successfully built by a single intraperitoneal injectionof STZ. The blood glucose was still high after 8 weeks. NGF gene modified MSC could be detected in the bladder of diabetic rats by BrdU-labelled immunohistochemistry. The concentration of NGF in the control group, disease group and treatment group were ( 114 ± 3), ( 70 ± 2), ( 110 ± 2) pg/ml by ELISA and mRNA quantity by RT-PCR were 0. 183±0. 004, 0. 032±0. 139, 0. 130±0. 165, respectively. Compared with the control group, the expression of NGF gene was decreased (P＜0. 05) in the incidence group. The expression of NGF gene was increased (P＜0. 05) in the treatment group compared with the disease group. Conclusions The NGF gene-modified MSC could survive in diabetic rats bladder tissues. The NGF gene in MSC could stably express in diabetic rats bladder tissues.     

肾透明细胞癌组织中B7-H1的表达及其与预后的关系

目的探讨B7-H1在肾透明细胞癌组织中的表达及其与预后的关系。方法采用免疫组织化学方法检测132例肾透明细胞癌患者术后肿瘤标本中B7-H1的表达,单因素及多因素分析B7-H1的表达与预后的关系。结果 132例患者中,B7-H1阳性46例（34.85%）,其中无瘤生存26例,复发6例,死亡14例,至最后随访期限,疾病无进展生存期（PFS）为（32.29&#177;12.56）个月,总生存期（OS）为（27.08&#177;15.43）个月;阴性86例（65.15%）,其中无瘤生存79例,复发3例,死亡4例,PFS为（38.77&#177;20.00）个月,OS为（37.02&#177;20.00）个月,两者比较差异有统计学意义（P〈0.05）。单因素分析表明,B7-H1阳性表达与肿瘤大小、原发肿瘤分期、区域淋巴结转移、远处转移、临床分期、组织学分级呈显著正相关（均P〈0.05）,而与患者年龄、性别无相关性。多因素分析表明,在控制肿瘤大小、TNM分期、临床分期、组织学分级的影响后,B7-H1阳性表达具有更高的肿瘤特异性死亡率[危险因素（RR）3.918,95%可信区间（95%CI）1.305～11.765,P〈0.05]和复发率[RR4.486,95%CI1.404～14.333,P〈0.05]。结论 B7-H1阳性表达与肾透明细胞癌患者术后死亡率及复发率呈正相关,B7-H1是肾透明细胞癌的一个独立预后因素。