芒果甙对痤疮主要致病菌的抑菌作用研究

目的探讨芒果甙对痤疮主要致病菌的抑菌作用,为深度开发芒果树药用植物资源提供研究依据。方法采用液体试管法,进行金黄色葡萄球菌的常规培养及痤疮丙酸杆菌的厌氧培养,按试管稀释法调整细菌浓度;以红霉素为对照,观察芒果甙对痤疮丙酸杆菌及金黄色葡萄球菌的最小抑菌浓度(MIC)。结果芒果甙对痤疮主要致病菌有一定的抑菌作用但不如红霉素明显,芒果甙对痤疮丙酸杆菌的MIC为8mmol/L;对金黄色葡萄球菌的MIC为20mmol/L;而红霉素对痤疮丙酸杆菌的MIC为160μmol/L;对金黄色葡萄球菌的MIC为20μmol/L;100μmol/L的芒果甙能把红霉素的MIC浓度从160μmol/L下降至0.160μmol/L。结论芒果甙可降低红霉素的最低抑菌浓度,两者配伍使用,可降低红霉素的使用剂量。     

不同助溶剂作用下桉叶油对痤疮丙酸杆菌的作用

目的 观察不同助溶剂作用下桉叶油对痤疮丙酸杆菌的作用,为痤疮的治疗提供一定实验参考,同时为开发利用桉叶油资源提供支撑. 方法 采用平板牛津杯法及试管法,观察桉叶油在不同助溶剂作用条件下对痤疮丙酸杆菌的抑菌环直径及最低抑菌浓度. 结果 纯桉叶油(80%浓度)、桉叶油乙醇溶液(40%浓度)及桉叶油丙酮溶液(40%浓度)对痤疮丙酸杆菌能表现出完全抑菌作用, 平板上无细菌生长, 阳性对照药 (16 μg/mL 红霉素) 对痤疮丙酸杆菌平均抑菌圈直径为29.44 mm;助溶剂95%乙醇及丙酮对痤疮杆菌无抑菌作用;空白对照(蒸馏水)对痤疮丙酸杆菌无抑菌作用;当以丙酮为助溶剂时,桉叶油的最低抑菌浓度为浓度0.625%;当以95%乙醇为助溶剂时,桉叶油的最低抑菌浓度为1.25%.结论 桉叶油对痤疮丙酸杆菌有较好的抑菌作用;助溶剂95%乙醇、丙酮对痤疮丙酸杆菌无抑菌作用;助溶剂对桉叶油的最低抑菌浓度有一定的影响,丙酮为助溶剂时较95%乙醇为助溶剂时最低抑菌浓度低.     

芦荟-丹参复方凝胶对痤疮主要致病菌的体外抑菌研究

目的:探讨两种中药材主要有效成分对痤疮主要致病菌体外的协同抑菌作用,并寻找最佳配比。方法:测定不同比例混合的芦荟-丹参复方凝胶及单方凝胶对痤疮主要致病菌的抑菌圈大小及最低抑菌浓度(MIC)。结果:芦荟-丹参复方凝胶抑菌效果优于单方凝胶,配比以1:2为最佳,复方凝胶对金黄色葡萄球菌的MIC为37.5 mg/L,对痤疮丙酸杆菌的MIC为75 mg/L。结论:芦荟-丹参复方凝胶对痤疮主要致病菌有较强的抑制作用,且两者的作用可以相互促进。     

蝎肽抗菌凝胶对痤疮丙酸杆菌的抑制作用简

目的 研究蝎肽抗菌凝胶对痤疮丙酸杆菌的抑制作用.方法 将2种编号的痤疮丙酸杆菌厌氧培养,采用微量稀释法对稀释后的痤疮丙酸杆菌菌株的培养菌液进行药敏试验,向稀释后的菌液中分别加入无菌生理盐水、不同浓度的蝎肽抗菌凝胶和含有氨苄青霉素钠粉针剂的溶液,用酶标仪和显微镜观察其对痤疮丙酸杆菌的抑制作用结果;用平板培养的方法复测蝎肽抗菌凝胶的最小抑菌浓度.结果 加入蝎肽抗菌凝胶后的前6组痤疮丙酸杆菌培养溶液和加入含有氨苄青霉素钠粉针剂的溶液中均未发现有痤疮丙酸杆菌的生长,显微镜下也未见有痤疮丙酸杆菌生长,其中蝎肽抗菌凝胶对2种痤疮丙酸杆菌的最小抑菌浓度分别为3.125 μg/mL和6.25μg/mL.结论 蝎肽抗菌凝胶对痤疮丙酸杆菌有明显的抑制作用,为临床上寻常型痤疮疾病的治疗提供了可靠的实验依据.     

黄芩与葡萄糖酸锌联用对痤疮致病菌的抑菌实验研究

[目的]探究黄芩与葡萄糖酸锌联用对痤疮致病菌是否具有协同抑菌作用。[方法]采用牛津杯法检测黄芩和葡萄糖酸锌单用及联用时对痤疮致病菌的抑菌活性。采用微量二倍稀释法和棋盘法分别测定两者单用及联用时的最低抑菌浓度(MIC),计算部分抑菌浓度指数(FICI)判定药物相互作用。绘制时间-生长曲线进一步考察药物作用特点。[结果]黄芩与葡萄糖酸锌联用后对痤疮致病菌的抑菌活性显著增强,MIC均下降。两者联用对金黄色葡萄球菌的FICI为0.75,表现为部分协同作用,对痤疮丙酸杆菌的FICI为0.25,表现为协同作用。联合用药对痤疮致病菌的抑菌强度更大,持续时间更长。[结论]黄芩联合葡萄糖酸锌对痤疮致病菌具有协同抑菌作用,可为新型抑菌剂的开发奠定基础。     

痤疮中医证型与面部菌群关系临床和实验研究

目的 通过对痤疮患者面部菌群与痤疮的中医证型关系和痤疮霜及单味药体外抑菌作用的研究,探讨治疗痤疮的新中药及中药的作用机制。方法 痤疮霜药及单味药（蒲公英、野菊花、大黄、黄连、白蔹、连翘、苦参）用水煎,浓缩成100％的清膏（1g生药／ml）。中药抑菌试验：两倍稀释法,按中华人民共和国卫生部药政管理局的中药新药研究指南进行。PAC测定（痤疮丙酸杆菌计数）：采用Williamson和Kligman皮肤擦洗取菌法加以改良。痤疮临床辨证分型主要为肺胃热盛型和脾虚湿盛型。结果 痤疮患者疮面检出的细菌主要为痤疮丙酸杆菌、金黄色葡萄球菌及表皮葡萄球菌,检出率显著高于正常人,而正常菌微球菌低于正常人;痤疮常见致病菌中致病性较强的金黄色葡萄球菌及大肠杆菌在肺胃热盛型患者中较脾虚湿盛型患者要高,而致病性较弱的表皮葡萄球菌及微球菌在肺胃热盛型患者中较脾虚湿盛型患者要低;痤疮患者组PAC53801个／cm^2,而正常人仅10686个／cm^2,肺胃热盛型患者比脾虚湿盛型患者稍高,但没有显著性差异;痤疮霜药清膏及其单味药的清膏对痤疮常见致病菌金黄色葡萄球菌、表皮葡萄球菌、痤疮丙酸杆菌及皮肤常见致病菌均有不同程度的抑菌作用,其中以黄连及连翘的抑菌作用为最强。结论 痤疮霜及其单味药对痤疮致病菌具有抑菌作用,起到抗炎杀菌的效果,有望开发为治疗痤疮的新中药。     

薰衣草精油与罗勒精油对痤疮致病菌的体外抑菌作用研究

目的 探讨薰衣草精油与罗勒精油对金黄色葡萄球菌、表皮葡萄球菌、痤疮丙酸杆菌的抑菌效果.方法 采用滤纸片扩散法抑菌圈试验检测薰衣草精油与罗勒精油抑菌敏感性,抑菌曲线试验检测抑菌持续效果.结果 抑菌圈试验表明,倍比稀释浓度1%~16%薰衣草精油与1%~16%罗勒精油各实验组对金黄色葡萄球菌、表皮葡萄球菌、痤疮丙酸杆菌的抑菌圈直径大于阴性对照组,差异有统计学意义(P<0.05).0.25%、0.5%的薰衣草精油与罗勒精油抑菌圈直径与阴性对照组比较差异无统计学意义(P>0.05),无抑菌效果.16%薰衣草精油与16%罗勒精油抑菌圈直径与阳性对照组比较差异无统计学意义(P>0.05),抑菌效果与阳性对照组相当.抑菌曲线试验表明,1%薰衣草精油和1%罗勒精油对3种痤疮致病菌抑菌持续效果达8~12 h,优于阴性对照组.结论 薰衣草精油和罗勒精油对金黄色葡萄球菌、表皮葡萄球菌、痤疮丙酸杆菌均具有持久抑菌活性,可作为痤疮菌的天然抑菌剂应用.     

15种生药提取物抑制痤疮致病菌的活性筛选

目的 :对 15种生药乙醇提取物的体外抑制痤疮致病菌活性进行敏感性测试。方法 :采用最大浓度抑菌试验和最低抑菌浓度 (MIC)比较其抑菌效果。结果 :丁香生药挥发油对痤疮致病菌痤疮短棒菌苗 (P .acne)、金黄色葡萄球菌 (S .aureus)、表皮葡萄球菌 (S .epidermidis)均有强烈的抑制作用 ,厚朴、艾叶油、金银花、蒲公英等有中等程度的抑菌作用。结论 :丁香酚的抑菌效果在所试药物中最好。     

痤疮丙酸杆菌生理生化特性及其致病性综述

目的 痤疮丙酸杆菌(Propionibacterlum acnes,简写为P.acnes)是一种革兰氏阳性厌氧不运动短杆菌,是广泛存在于空气、土壤、水体、动物体尤其人皮肤上的一类致病微生物.由于P.acnes 能分泌可分解皮肤角质及类脂成分的酯酶等代谢产物,成为青少年痤疮的最主要病因之一.此外,P.acnes 常侵入毛囊及表皮深部,其厌氧,生长缓慢等理化特性致使P.acnes 不易被清除,成为条件致病菌,进而导致各种手术后感染发炎等疾病.而且由于此类疾病临床症状不典型,致使诊断治疗困难,常导致各种极具危害性的内源性疾病.本文介绍了痤疮丙酸杆菌及其生理生化特性,并结合国内外学者对痤疮研究的最新进展,对其致病机理及相关疾病做了综述,以期对P.acnes 引起的相关疾病的预防和治疗有所帮助.     

15种生药提取物抑制痤疮致病菌的活性筛选

目的：对15种生药乙醇提取物的体外抑制痤疮致病菌活性进行敏感性测试。方法：采用最大浓度抑菌试验和最低抑菌浓度(MIC)比较其抑菌效果。结果：丁香生药挥发油对痤疮致病菌痤疮短棒菌苗(P.acne)、金黄色葡萄球菌(S．oureus)、表皮葡萄球菌(S．epidermidis)均有强烈的抑制作用，厚朴、艾叶油、金银花、蒲公英等有中等程度的抑菌作用。结论：丁香酚的抑菌效果在所试药物中最好。     

Value of D-Dimers in patients with acute aortic dissection

Objective: To evaluatel the value of D-dimers in patients with acute aortic dissection (AAD). Methods: This study consisted of 16 patients with AAD and 27 non-AAD patients. Serum D-dimets were measured by Sta-Liatest D-DI immunoturbidimetric assay. Results: D-dimer level was higher (P ＜ 0.001) in patients with AAD(7.91 ± 5.52 μg/ml) than that in non- AAD group(1.57±1.24 μg/ml). D-dimer was positive (＞0.4 μg/ml) in all patients with AAD and in 10 control group patients (37%). Among patients with acute AAD, D-dimers tended to be higher in Stanford A than in Stanford B (8.67 ± 4.31 μg/ml vs. 3.24±1.27 μg/ml, P ＜0.01). D-dimer values tended to be higher in more extended disease(3.84 ± 1.65 μg/ml, 8.57 ± 3.58 μg/ml and 11.87 ± 5.69 μg/ml in thoracic aorta, thoracic and abdominal aorta, thoracic and abdominal aorta and iliacal arteries, respectively, P ＜ 0.05 for both 8.57 ± 3.58 and 11.87 ± 5.69 vs. 3.84 ± 1.65 ). Including the control group into the analysis, we found a sensitivity of 100%, a negative predictive value of 100%, and a specificity of 66% and a positive predictive value of 64% for D-dimer in diagnosis of AAD in our patients with suspected AAD. Conclusion: D-dimer was elevated in patients with AAD. A negative D-dimer test result could be useful in excluding AAD.     

Research of combined liver-kidney transplantation model in rats

Objective： To set up a simple and reliable rat model of combined liver-kidney transplantation. Methods： SD rats served as both donors and recipients. 4℃ sodium lactate Ringer＇s was infused from portal veins to donated livers,and from abdominal aorta to donated kidneys, respectively. Anastomosis of the portal vein and the inferior vena cava （IVC） inferior to the right kidney between the graft and the recipient was performed by a double cuff method, then the superior hepatic vena cava with suture. A patch of donated renal artery was anastomosed to the recipient abdominal aorta. The urethra and bile duct were reconstructed with a simple inside bracket. Results： Among 65 cases of combined liver-kidney transplantation, the success rate in the late 40 cases was 77.5%. The function of the grafted liver and kidney remained normal. Conclusion： This rat model of combined liver-kidney transplantation can be established in common laboratory conditions with high success rate and meet the needs of renal transplantation experiment.     

Development on Adjustable Calibration Marker for Shock Wave Focus

Shock wave lithotripsy （SWL） is a treatment of choice for upper urinary stones. However, this procedure is inappropriate for obese patients because the focus is often unable to reach the target owing to the limited focal distance in shock wave source. Although treating such patients in a blast path may increase the application length of shock wave source, it＇s difficult to find this path on the lithotripter monitor. For this reason, we invented an adjustable calibration marker in order to set an effective focus in the shock wave hath.     

Study on the TCM Pathogenesis of Angiopathic Complications of Type II Diabetes

Excess production of reactive oxygen species(ROS)of mitochondrion mediated by hyperglycemia is the common pathogenesis of angiopathic complications of diabetes.TCM holds that the damp from the dysfunction of spleen.kidney and liver is the causative factor of complications of diabetes.This is similar to the mechanism of Ros resulting in angiopathic complications of diabetes.When the angiopathic complications of type II diabetes mellitus(T2DM)are difierentiated as caused by turbid damp in TCM can be explained as ROS.Since the obstruction of pathogenic damp in channels and collaterals is said to be the main pathogenesis,the treating principle should be dissolving the damp to remove the obstruction.     

Leptin, Ghrelin and TNF-α before and after Hypo-caloric Traditional Chinese Diet and Auricular Acupuncture

INTRODUCTION Obesity is a complex emergent problem, which can be possibly solved not only by the diet but also by the life style and promotion of a constant physical exercise. 1, 2 No doubt careful attentions must be given to the nutritional condition of obese people, the dietary habits, the somatic build (i.e. distribution of fat mass) and the organic functions linked to formation of the fat mass. All the parameters should be constantly monitored before, during and after a diet treatment. 3, 4, 5     

Relationship between Dysglycemia and Carotid Atherosclerosis in Tibetan Population

People with dysglycemia are at high risk for atherosclerotic diseases. This study aims at investigating the atherosclerotic vascular damage in dysglycemia and its metabolic origin in Tibetan population.     

APPLICATION OF LORNOXICAM TO PATIENT-CONTROLLED ANALGESIA IN PATIENTS UNDERGOING ABDOMINAL SURGERIES

FOR anesthesiologis s ,treatingpostoperativepainhas alwaysbeen a problem.Althoughopioidshave been provedtobe effective,theirsideeffectscouldnotbeignored.With thedevelopmentofscienceand pharmacology,many drugs with aspectsof satisfactoryanalgesicefficacyand couldbe welltoleratedby patientshave been developed.And lornoxicamisone of them, which isa non-steroidalanti-inflammatorydrug (NSAID ), with analgesic, anti-infl-ammatory,andantipyreticproperties.Itseliminationhalf-time(3 to 5 hours) isle…     

安心颗粒对急诊经皮冠状动脉介入术后生活质量影响的研究

目的：评价使用安心颗粒对急诊经皮冠状动脉介入术（PPCI）术后生活质量的影响.方法：将160例接受PPCI的急性ST段抬高型心肌梗死患者随机分为安心颗粒组（术前顿服安心颗粒8.8g,术后安心颗粒4.4 g/次,每日2次）和对照组（仅接受基础药物治疗）.所有患者均服用阿司匹林、氯吡格雷和阿托伐他汀.分别在入院时、出院前1d、出院后180 d时,应用心肌梗死多维度量表（MIDAS）、中文版SF-36评价量表对患者生活质量评分.并观察术后30 d以内的出血并发症、血小板减少症发生情况.结果：入院时和出院前1d,两组患者的心肌梗死MIDAS、SF-36量表评分比较无差异（P＞0.05）;出院后180 d时,与对照组比较,安心颗粒组MIDAS、SF-36评分明显减低（P＜0.05）;组内与入院时比较,两组出院前1d、出院后180 d时,MIDAS、SF-36评分均降低（P＜0.05）.两组患者在随访期间均无大量出血、少量出血、重度和极重度血小板减少症发生,安心颗粒组有4例、对照组有7例发生不明显出血（P＞0.05）.两组发生轻度血小板减少症的患者数比较无差异（P＞0.05）.结论：PPCI使用安心颗粒,能改善急性ST段抬高型心肌梗死患者的生活质量,且不增加出血风险.     

CLINICAL SIGNIFICANCE OF SERUM CYTOKINES IL-1β,sIL-2R,IL-6,TNF-α,AND IFN-v IN ACUTE CORONARY SYNDROME

Objectives To explore serum cytokines levels (including IL-1 β, sIL-2R, IL-6, TNF-α, and IFN-v) and their significance in patients with acute coronary syndrome (ACS) and the subsequent follow-ups, with attempt to estimate the role of various serum inflammatory markers in the diagnosis and assessment of ACS.Methods The study population include 40 patients with acute myocardial infarction (AMI), 40 patients with unstable angina pectoris (UAP), and 40 controls. Among the 80 patients, 60 patients attended a follow up 4 months later. Serum inflammatory markers including IL-1 β, sIL-2R, IL-6, TNF-α, and IFN-v were measured by enzyme linked immunosorbent assay.Results Serum IL- 1 β, sIL-2R, IL-6, TNF-α were significantly higher in AMI group or UAP group compared to the control group and became significantly lower 4 months later in the follow-up patients. Serum levels of IFN-v shows no significant difference between AMI group or UAP group and controls, also showing no significant change when measured in follow up patients. There was no correlation between serum creatine kinase-MB isoenzyme levels and serum inflammatory markers either in UAP or AMI group. Furthermore, when divided into two subgroups using Wagner's QRS scoring system in the AMI group, there is no difference of each serum inflammatory marker between ≤ 6 scores group and ＞ 6 scores group.Conclusion Serum levels of certain inflammatory markers may have some diagnostic value for ACS, and can be a useful marker reflecting disease stability.     

Possible Spread of adenovirus type 3 from poultry to humans ：indirect evidence from an outbreak in China

Objective:To explore the epidemiology and etiology for an outbreak of acute respiratory tract infection that occurred in one county of Jiangsu Province, China 2004. Methods: Only cases meeting the case definition were included in the study. We reviewed the medical records of the cases who were admitted to the local hospitals, interviewed cases by a standard questionnaire, and then described the epidemiotogic features and analyzed risk factors by means of a case-control study. We collected pharyngeal swab specimens and sent them to different laboratories for isolation and culture. The laboratory used different detection methods such as DIP, PCR, electron microscope examination and microneutralization assay, to identify and then type the positive specimens. Results:A total of 871 cases were reported during the period from April 18 to July 4,2004. The distribution of onset times presented two peaks, one in late May and another in middle June. The epidemic occurred mainly in the elementary and junior high schools in ten townships of one county, and the mean age of the cases was 12 years (range 7 months to 18 years). The course of the disease was acute, and was characterized by fever accompanied with sore throat and tonsillitis. The WBC count of cases was normal or elevated. The mean duration of illness was 5 days (range 2 to 12 days). No fatalities from illness were reported. A case-control study indicated that the possible risk factors were close contact with a case and/or poultry before onset and sharing of towels among members of the family. The typical CPE was observed through inoculating pharyngeal swab specimens into the HEP-2 cell cultures in different laboratories. An infection of adenovirus type 3 was verified by detecting positive specimens in different methods. Conclusion:This investigation demonstrated that the acute respiratory infection in cases was caused by adenovirus type 3. Cases occurred in over 70 schools in ten townships in 2004, and the route of transmission was possibly close contact with cases or droplet transmission.