槲皮素对H2O2所致乳鼠培养心肌细胞损伤的保护作用

目的 观察槲皮素(QUE)对H2O2所致乳鼠培养心肌细胞损伤的保护作用.方法 原代培养的新生Wistar乳鼠,随机分为正常对照组、H2O2损伤组和3种剂量QUE保护组.用比色法观察乳鼠心肌细胞培养液的乳酸脱氢酶(LDH)、脂质过氧化产物-丙二醛(MDA)的含量及超氧化物歧化酶(SOD)活性,并用电镜观察心肌细胞形态学改变.结果 H2O2损伤组乳鼠心肌细胞培养液中LDH和MDA含量显著增高,SOD活性降低(与对照组相比,P＜0.01),心脏超微结构损伤严重;QUE保护组与H2O2损伤组相比,LDH和MDA明显降低,SOD活性升高,心肌形态学变化减轻.结论 槲皮素对H2O2诱导的乳鼠心肌细胞损伤有保护作用,其机制可能与清除氧自由基、抗脂质过氧化损伤有关.     

芪苈强心胶囊改善柔红霉素心脏毒性的体外实验

目的 探讨芪苈强心对柔红霉素心脏毒性的预防和治疗作用研究.方法 收集32只体外分离培养乳鼠心肌细胞,显微镜下观察心肌细胞形态学变化,凋亡试剂盒检测心肌细胞凋亡率;TUNEL法检测细胞凋亡率,采用蛋白免疫印迹(Western blot)法检测乳酸脱氢酶(LDH)、α-羟丁酸脱氢酶(HBDH)、肌酸激酶(CK)、肌酸激酶同工酶(CK-MB)、超氧化物歧化酶(SOD)、丙二醛(MDA)等蛋白的表达;采用电化学发光免疫分析法测定血清脑钠肽(BNP).结果 芪苈强心的体外实验中4组研究对象的心肌细胞凋亡率存在明显差异(P＜0.05);4组研究对象的LDH、HBDH、CK、CK-MB、SOD、MDA存在明显差异(P＜0.05);芪苈强心对DNR心脏毒性预防作用中4组研究对象的心肌和血清中LDH、HBDH、CK、CK-MB、SOD、MDA存在明显差异(P＜0.05);芪苈强心对DNR心脏毒性治疗中的3组研究对象的LVESD、LVEDD、LVEF、FS存在明显差异(P＜0.05);且3组研究对象的BNP存在明显差异(P＜0.05).结论 芪苈强心可以有效的预防和治疗柔红霉素心脏毒性,对儿童急性淋巴细胞白血病的辅助治疗起到重要作用.     

缬沙坦对乳鼠心肌细胞过氧化损伤的保护作用

目的:探讨缬沙坦对过氧化氢(H2O2)致心肌细胞过氧化损伤的保护作用.方法:分离培养SD乳鼠心肌细胞,建立心肌细胞过氧化损伤模型.用2～10 μmol/L缬沙坦预处理后,测定各组心肌细胞存活率;用10μmol/L缬沙坦预处理后,检测各组心肌细胞培养介质中乳酸脱氢酶(LDH)、丙二醛(MDA)及超氧化物歧化酶(SOD)浓度.结果:在2～10 μmol/L范围内,缬沙坦剂量依赖性地提高心肌细胞过氧化损伤的细胞存活率(P＜0.05);10μmol/L缬沙坦预处理后,培养介质中LDH和MDA的生成减少(P＜0.05),而SOD含量增高(P＜0.05).结论:缬沙坦可能通过稳定细胞膜、抗脂质过氧化反应及提高清除氧自由基,对心肌心肌细胞过氧化损伤起剂量依赖性保护作用.     

青藤碱拮抗体外培养的乳鼠心肌细胞自由基损伤

目的 研究青藤碱(Sin)对体外培养乳鼠心肌细胞自由基损伤的保护作用.方法 应用O-2诱导培养乳鼠心肌细胞损伤模型,通过测定乳酸脱氢酶(LDH)活性、MTT代谢率、超氧化物歧化酶(SOD)活性及丙二醛(MDA)含量等指标,观察Sin对心肌细胞自由基损伤的保护作用.结果 与损伤组比较,Sin保护组的LDH释放量显著减少(P＜0.01);MTT代谢率显著增高(P＜0.01);Sin明显抑制损伤率;SOD活性明显增高;MDA含量明显降低(P＜0.01).结论 Sin通过清除氧自由基保护O-2损伤的心肌细胞.     

香青兰提取物对体外培养乳鼠心肌细胞缺氧/复氧损伤的保护作用

目的:研究香青兰提取物对心肌细胞缺氧/复氧(H/R)损伤的保护作用及机制.方法:提取香青兰的有效成分,用原代培养的SD大鼠乳鼠心肌细胞建立H/R的损伤模型,实验分6组:正常对照组、H/R组、总提取物组、氯仿组、乙酸乙酯组及正丁醇组.采用MTT法测定细胞的存活率,乳酸脱氢酶试剂盒(LDH)测定培养液中LDH的含量,黄嘌呤氧化酶法测定细胞内超氧化物歧化酶(SOD)的活性以及硫代巴比妥酸显色法测定活细胞丙二醛(MDA)的含量.结果:各组细胞活力、吸光度值以及LDH、MDA和SOD含量伺比较,差异均有统计学意义(F=102.312、51.007、24.136、70.281和14.335,P<0.05).与正常对照组比较,模型组LDH、MDA的含量及细胞活力明显升高,SOD活性降低(P<0.05);与模型组比较,香青兰提取物各组的细胞活力降低,LDH和MDA含量增加;氯仿和乙酸乙酯组的吸光度值升高;氯仿、乙酸乙酯和正丁醇组的SOD含量增加(P均<0.05).结论:香青兰提取物对H/R心肌细胞的损伤具有保护作用,此作用可能与抑制脂质过氧化和减少心肌细胞的凋亡有关.     

诃子提取物含药血清对乳鼠心肌细胞损伤的保护作用

目的:研究诃子提取物含药血清对H2O2所致心肌细胞损伤的保护作用.方法:采用H2O2处理培养心肌细胞,造成氧化应激模型,通过检测细胞培养液中LDH、CK漏出量、MDA含量和SOD活性反映诃子提取物含药血清对H2O2氧化模型的影响.结果:与模型组比较,诃子提取物含药血清能显著减少LDH、CK漏出量(P＜0.05,P＜0.01);降低培养液中MDA含量(P＜0.05,P＜0.01),升高SOD活性(P＜0.01).结论:诃子提取物含药血清可减轻H2O2对心肌细胞的损伤程度,对心肌细胞具有保护作用,其机制可能与稳定细胞膜和抗氧化有关.     

青藤碱拮抗体外培养的乳鼠心肌细胞自由基损伤

目的研究青藤碱(Sin)对体外培养乳鼠心肌细胞自由基损伤的保护作用。方法应用O_2~-诱导培养乳鼠心肌细胞损伤模型,通过测定乳酸脱氢酶(LDH)活性、MTT代谢率、超氧化物歧化酶(SOD)活性及丙二醛(MDA)含量等指标,观察Sin对心肌细胞自由基损伤的保护作用。结果与损伤组比较,Sin保护组的LDH释放量显著减少(P＜0．01);MTT代谢率显著增高(P＜0．01);Sin明显抑制损伤率;SOD活性明显增高;MDA含量明显降低(P＜0．01)。结论Sin通过清除氧自由基保护O_2~-损伤的心肌细胞。     

马齿苋总黄酮对缺血再灌注心肌细胞损伤的保护作用

目的 研究马齿苋总黄酮(portulaca total flavone,PTF)对新生大鼠心肌细胞缺血再灌注损伤的保护作用.方法 取体外培养的新生大鼠心肌细胞于缺氧24h复氧lh造成缺血再灌注(I/R)损伤模型,观察细胞损伤情况,并将PTF终浓度为5、10、20mg/L分别加入培养基中,预处理24h后,再置于上述缺氧复氧环境中培养,测定以上不同条件下心肌细胞上清液中的乳酸脱氢酶(LDH)、肌酸激酶(CK)、丙二醛(MDA)、超氧化物歧化酶(SOD)含量,并测定各组细胞内Ca2+浓度.结果 与正常对照组相比较,缺血组和再灌组细胞上清液中LDH、CK、MDA含量明显升高(P＜0.01),SOD活力则显著降低(P＜0.01),缺血组和再灌组细胞内Ca2+浓度均明显升高(P＜0.01).而用PTF预处理后缺血组和再灌组的LDH、CK、MDA显著低于用药前(P＜0.01),SOD高于缺血组和再灌组(P＜0.01);PTF组(20mg/L)对正常心肌细胞内Ca2+浓度影响小(P＞0.05);与PDGF-BB诱导增殖组比较,PIF(5、10、20 mg/L)药物干预组心肌细胞Ca2+浓度明显降低(P＜0.05),且存在明显的剂量效应关系.结论 PTF对缺血再灌心肌细胞有保护作用,其作用机制可能与增强抗氧化能力、减轻钙超载有关.     

益气活血药对血管紧张素Ⅱ诱导的心肌细胞能量与脂质过氧化反应变化的影响

目的观察心肌细胞在血管紧张素Ⅱ(AngⅡ)作用后反映能量的酶与脂质过氧化反应的变化及不同类中药对其的影响.方法用AngⅡ作用于培养的SD大鼠乳鼠心肌细胞,观察作用24、48、72、96 h细胞上清液中乳酸脱氢酶(LDH)、琥珀酸脱氢酶(SDH)、丙二醛(MDA)、超氧化物歧化酶(SOD)的变化及益气、活血、益气活血中药的作用.结果在AngⅡ作用48 h后,细胞上清液中LDH、SDH明显增加(P＜0.01),MDA含量明显升高,SOD活性明显降低(P＜0.01),各中药组LDH、SDH明显降低,且可明显减少MDA含量、升高SOD活性(P＜0.05或P＜0.01).结论AngⅡ作用一定时间后,伴随着能量的变化和引发的脂质过氧化反应,使心肌细胞的功能受到影响,益气、活血、益气活血中药均有保护作用,尤以益气活血药作用明显.     

金属硫蛋白对阿霉素致心肌细胞氧化损伤的保护作用

目的 观察金属硫蛋白(metallothionein,MT)对阿霉素(adriamycin,ADR)致心肌细胞氧化损伤的保护作用.方法 将培养的心肌细胞随机分5组进行实验:①对照组;②阿霉素(1 mg/L)组;③阿霉素(1 mg/L)+MT1(5×10-9mol/L)组;④阿霉素(1 mg/L)+MT2(10-8mol/L)组;⑤阿霉素(1 mg/L)+MT3(5×10-8mol/L)组.MTT法计算心肌细胞存活率;试剂盒检测细胞培养液乳酸脱氢酶(LDH)漏出量、细胞丙二醛(MDA)和一氧化氮(NO)含量及超氧化物歧化酶(SOD)活力.结果 与对照组相比,阿霉素组心肌细胞存活率下降(P＜0.01),细胞LDH漏出量增加(P＜0.01),细胞MDA及NO含量升高(P＜0.01),细胞SOD活力降低(P＜0.01).分别应用5×10-9,10-8,5×10-8 mol/L MT与阿霉素共同处理心肌细胞,细胞存活率分别较单用阿霉素增加31.8%,47.8%和51.4%(均P＜0.01);细胞LDH漏出量分别较单用阿霉素降低20.5%,23.3%和34.6%(均P＜0.01);细胞MDA含量分别较单用阿霉素降低16.3%(P＜0.05),21.1%(P＜0.01),36.5%(P＜0.01);NO含量分别较单用阿霉素降低17.7%(P＜0.05),19.8%(P＜0.05)和30.1%(P＜0.01);心肌细胞SOD活性分别较单用阿霉素增加31.2%,36.5%和39.1%(均P＜0.01).结论 阿霉素导致心肌细胞氧化损伤,外源性MT具有降低这种心肌细胞氧化损伤的作用.     

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…     

Dr.Zhang Ren''''s Experience in the Acupuncture Treatment of Different Diseases with the Same Therapeutic Principle

Dr.Zhang Ren,the chief physician,is the chairman of Shanghai Acupuncture and Moxibustion Association.Having been engaged in medicine for about 40 years,he is experienced in treating various intractable diseases.In his long years of clinical practice,he advocates taking the TCM differentiation as the basis to seek for the acupuncture method for treatment of modern intractable diseases.The author of this essay had the fortune to follow Dr.Zhang in study.The following is a summary of Dr.Zhang's experience in the acupuncture treatment for different intractable diseases with the same therapeutic principle.     

Luo Lingjie''''s Experience in Treating Chronic Nephropathy

In treating chronic nephropathy,Luo Lingjie,a chief physician,pays attention to regulating the balance between yin and yang,treating infection if present,and removing pathogenic factors.He prescribes gentle drugs and uses carefully strongly warming-tonifying ones,emphasizes the importance of persuading the patient to persist in treatment with medication and nurse one's health for recuperation,and is good at combined use of TCM and western medicine therapy and brings the merits of various therapies into full play,with obvious theraoeutic effects.     

Acupuncture Combined with Spinal Tui Na for Treatment of Primary Dysmenorrhea in 30 Cases

Objective: To observe the therapeutic effects in acupunture treatment of primary dysmenorrhea combined with spinal Tui Na, and study its mechanism. Methods: Thirty cases of the treatment group were treated by acupuncture combined with spinal Tui Na, and thirty cases in the control group were treated by routine acupuncture. Results: The total effective rate was 93.3% in the treatment group, and 73.3% in the control group, with a significant difference between the two groups (P<0.05). Conclusions: Acupuncture combined with spinal Tui Na has good prospects for treatment of primary dysmenorrhea.     

猪肺磷脂注射液联合经鼻持续气道正压通气对呼吸衰竭早产儿的临床疗效及肌酸激酶同工酶活性的影响

目的 探讨猪肺磷脂注射液联合经鼻持续气道正压通气(NCPAP)对呼吸衰竭早产儿的临床疗效及肌酸激酶同工酶活性(CK-MB)的影响.方法 选取呼吸衰竭早产儿80例,分为观察组和对照组各40例.对照组采用NCPAP给氧治疗,观察组给予NCPAP给氧联合猪肺磷脂气管内给药.观察两组患儿治疗前及治疗12h、24 h后PaO2、PaCO2、血氧饱和度(SaO2)、pH的变化情况,检测治疗前及治疗5d后血清CK-MB水平;评估两组患儿的临床治疗效果.结果 两组患儿PaO2、PaCO2、SaO2、pH比较,差异均有统计学意义(P＜0.05),其中观察组治疗后的PaO2、SaO2、pH均高于对照组,PaCO2则低于对照组.两组的PaO2、SaO2、pH均随观察时间延长而升高(P＜0.05),PaCO2均随观察时间的延长而降低(P＜0.05).观察组治疗有效率为87.5％,显著高于对照组的70.0％ (P ＜0.05).治疗5d后两组患儿血清CK-MB水平均较前降低(P＜0.05),且观察组明显低于对照组(P＜0.05).结论 猪肺磷脂注射液气管内给药联合NCPAP可以显著降低呼吸衰竭早产儿CK-MB的含量,提高治疗有效率,起到很好的呼吸循环支持作用.     

Acupuncture Treatment of Vomiting

CASE HISTORY A female patient, 46 years old, head of the foreign affairs department of a certain university in Beijing, paid her first visit on October 9, 2006, with the chief complaint of vomiting for one month. She got vomiting after meals in early September. Before that, she had discomfortable sensation in the stomach due to angry with others, but she didn't pay much attention. Later, it developed into vomiting after eating. After the vomiting, the discomfort would be relieved, but with slight hypodynamia. She was once diagnosed as having 'neurogenic vomiting'. Having taken some western and Chinese drugs, the above symptoms were a little bit improved, but she would have nausea upon eating and with regurgitation. Because of the fear for vomiting, she did not dare to have food intake, with body weight reduction of 6 kilos in one month.     

Qiu Baoguo''''s Experience in Treating Consumptive Syndromes after Radio-Chemotherapies

Radiotherapy and chemotherapy are the important modern medical therapies for malignant tumors,yet they can also bring about serious local and systemic toxic side reactions so to decrease the patient;'s life quality,manifested by a series of consumptive symptoms.Having engaged in the combined work of Chinese and western medicine for nearly 50 years,the research fellow Qiu Baoguo in Henan Provincial Academy of TCM has developed his unique views on the TCM study of consumptive syndromes.The author of this essay had once the fortune tO follow Dr.Qiu in clinic,and specially would like to introduce in the following Dr.Qiu's experience in treating consumptive syndromes after radio-chemotherapies for patients with malignant tumor.     

Insomnia Due to Deficiency of Both the Heart and Spleen Treated by Acupuncture-Moxibustion and Chinese Tuina

OBJECTIVE: To observe therapeutic effects of the comprehensive therapy of acupuncture-moxibustion and Chinese Tuina for treatment of insomnia due to deficiency of both the heart and spleen. METHODS: 92 cases were divided randomly into the treatment group (treated by acupuncture-moxibustion and Chinese Tuina) and the control group (treated by acupuncture-moxibustion). RESULTS: The therapeutic effect of the treatment group was obviously superior to that of the control group (the CHI2 test showed P < 0.01). CONCLUSIONS: The comprehensive therapy of acupuncture-moxibustion and Chinese Tuina can give marked therapeutic effects for treatment of insomnia due to deficiency of both the heart and spleen.     

Survey and practice of reporting quality of randomized controlled clinical trials on traditional Chinese medicine

Evidence obtained from randomized controlled trials （RCTs） has been generally accepted as the gold standard in the evaluation of clinical effectiveness. Readers need to understand the trial design, implementation, results, analysis and interpretation, so as to fully Jnderstand the results of RCTs. Thus, the investigators of RCTs have to report these items in a complete, accurate and clear manner. Since 1998, we have conducted several evaluations on the reporting quality of RCTs published in Chinese journals on traditional Chinese medicine （TCM） and results have shown that there is an urgent need for higher quality RCTs on TCM.