Antisense Smad2 inhibits high glucose-stimulated production of extracellular matrix in cultured rat glomerular mesangial cells

Transforminggrowthfactor-β1(TGF-β1)is amultifunctionalpolypeptidethatregulatesanum-berofcellularprocesses,includingcellprolifera-tion,differentiation,apoptosis,migration,matrix synthesis,andtheimmuneresponse[1,2].Inchron-icrenaldiseases,TGF-β1isakeymediatorofex-tracellularmatrix(ECM)accumulation[3].Oneof thetargetrenalcellsforTGF-β1isglomerular mesangialcellsthatarecapableofproducingcom-ponentsofECM,suchascollagens,lamininand fibronectin[4,5].Recentstudiesindicatedthatinhi-bitionofT…     

蛋黄磷脂中磷脂酰乙醇胺的薄层扫描测定

将超临界ＣＯ２萃取法得到的蛋黄粉中的磷脂经薄层色谱分离，采用双波长薄层扫描仪对其磷脂酰乙醇胺进行测定。平均回收率为９７．６７％，ＲＳＤ为２．３１％。     

032 百里香与报春花根固定组方对急性支气管炎病人的疗效和耐受性

Visual Basic作为一门可视化的高级编程语言，已经在各高等院校作为计算机基础教育的一门主干课程，随着多媒体技术、校园网建设和互联网技术的发展，原来滞后的教学方法势必影响高校计算机基础教学的效果。本文针对医学院校的计算机基础教育，着重探讨在新的历史时期Visual Basic的教学方法。     

大肠癌流行因素的研究现状

大肠癌的发生是多冈素，多步骤的过程。其发生与饮食类型、遗传因素、结直肠良性病变、生活习惯、心理因素、药物等凶素密切相关。全文就大肠癌流行因素的研究现状作一综述.     

肛门直肠重建的解剖学基础

低位直肠癌的传统术式是Mile手术，因术后必须做腹壁人工肛门，常使患者难以接受，甚至延误或拒绝治疗。因此，在根治癌肿的基础上，肛门直肠重建术日益引起人们的兴趣。本文就若干重建术与解剖学的关系讨论如下。     

复发性胶质瘤再手术治疗的探讨

目的 探讨复发性胶质瘤患者再手术的效果。方法 对22例复发性胶质瘤患者再手术前的功能状态、两次手术间隔时间及手术切除的程度与术后存活期等资料进行临床和统计学分析。结果 第二次手术前生活能自理或半自理的病人（Kamofsky计分≥60）平均生存期约16月，生活不能自理的病人（Kamofsky计分〈60）平均生存期约6月（P〈0．01）。两次手术间隔时间大于1年者平均生存期约17月，间隔时间小于半年者平均生存期约6月（P〈0．01）。手术肿瘤全切除者平均生存期约15月，次全切除者平均生存期约10月（P〈0．05）。结论 术前功能情况好，手术间隔时间大于1年及术中全切肿瘤者再手术治疗可获得较好效果。     

Effects of Pharmacological Autonomic Blockade on Dual Atrioventricular Nodal Pathways Physiology in Patients with Slow-Fast Atrioventricular Nodal Reentrant Tachycardia

The purpose of this study was to investigate the atrioventricular AV nodal physiology and the inducibility of AV nodal reentrant tachycardia (AVNRT) under pharmacological autonomic blockade (AB). Seventeen consecutive patients (6 men and 11 women, mean age 39 ± 17 years) with clinical recurrent slow-fast AVNRT received electrophysiological study before and after pharmacological AB with atropine (0.04 mg/kg) and propranolol (0.2 mg/kg). In baseline, all 17 patients could be induced with AVNRT, 5 were isoproterenol-dependent. After pharmacological AB, 12 (71 %) of 17 patients still demonstrated AV nodal duality. AVNRT became noninducible in 7 of 12 nonisoproterenol dependent patients and remained noninducible in all 5 isoproterenol dependent patients. The sinus cycle length (801 ± 105 ms vs 630 ± 80 ms, P < 0.005) and AV blocking cycle length (365 ± 64 ms vs 338 ± 61 ms, P < 0.005) became shorter after AB. The antegrade effective refractory period and functional refractory period of the fast pathway (369 ± 67 ms vs 305 ± 73 ms, P < 0.005; 408 ± 56 ms vs 350 ± 62 ms, P < 0.005) and the slow pathway (271 ± 30 ms vs 258 ± 27 ms, P < 0.01; 344 ± 60 ms vs 295 ± 50 ms, P < 0.005) likewise became significantly shortened. However, the ventriculoatrial blocking cycle length (349 ± 94 ms vs 326 ± 89 ms, NS) and effective refractory period of retrograde fast pathway (228 ± 38 ms vs 240 ± 80 ms, NS) remained unchanged after autonomic blockade. Pharmacological AB unveiling the intrinsic AV nodal physiology could result in the masking of AV nodal duality and the decreased inducibility of clinical AVNRT.     

胰岛素样生长因子结合蛋白与胰岛素抵抗的关系

胰岛素样生长因子系统是一个由配体、受体、结合蛋白及蛋白酶构成的复杂网络,会受到诸多因子的调节.该系统中的胰岛素样生长因子结合蛋白在不同细胞的增殖和分化中起着重要的作用.临床及体内外研究表明胰岛素抵抗形成过程中,IGFBP出现异常表达.IGFBP通过不同机制抑制或促进胰岛素抵抗的形成.     

PHARMACOKINETICS OF ATRACURIUM IN ANAESTHETIZED INFANTS AND CHILDREN

The pharmacokinetics of atracurium were studied in infants andchildren anaesthetized with isoflurane and nitrous oxide inoxygen. There were no significant differences in volume of distribution(area) (139 v. 152 ml kg^–1), clearance (5.1 v. 5.3 mlkg^–1 min^–1), T (2.1 v. 2.0 mim), or T^ß(19.1 v. 20.3 min) between children with normal hepatic andrenal function and those with moderately impaired hepatic functionpresenting for hepatic transplantation. There were significantdifferences in volume of distribution (area) (176 v. 139 mlkg^–1) and in clearance of atracurium (9.1 v.5.1 ml kg^–1min^–1) between infants and children with normal excretoryfunction. In infants the clearance of atracurium in ml m^–1min^–1 (153 v. 133) tended to be greater and the T andT^ß tended to be shorter (1.0 v. 2.0 and 13.6 v. 19.1)than in children with normal excretory function; however, thesetrends did not reach statistical significance. Plasma laudanosineconcentration was around 100 ng ml^–1 greater in patientswith liver disease than in normal children from 15–45min following a bolus of atracurium 0.5 mg kg^–1.     

云浮市2015-2019年疑似预防接种异常反应监测分析

目的 分析云浮市2015-2019年疑似预防接种异常反应(AE FI)的发生特征和AEFI监测系统运转情况.方法 通过全国AEFI信息管理系统收集云浮市2015-2019年报告的个案数据,采用描述性流行病学方法分析AEFI发生情况.结果 云浮市2015-2019年共报告AEFI个案578例,报告发生率8.69/10万剂次.主要发生在5-8月份,共281例,占报告总数的48.62％;年龄以0岁组为主,共217例,占37.54％.90.83％的AEFI病例发生在接种疫苗后24h内.除2015年48 h内报告率、调查表及时报告率和2016年48 h内报告率不达标,其余各年份各指标均达到国家AEFI监测方案的要求.一般反应359例,占62.11％;异常反应192例,占33.22％.报告病例数涉及的的疫苗主要是无细胞百白破联合疫苗(DTaP)、麻疹-风疹联合减毒活疫苗(MR)和流行性乙型脑炎减毒活疫苗(JEV-L);99.48％的病例预后良好.结论 云浮市AEFI监测工作运行良好,预防接种安全.