维生素C对顺铂诱导卵巢癌CAOV3细胞凋亡的影响

目的探讨维生素C是否能影响顺铂诱导卵巢癌CAOV3细胞凋亡,以及它对细胞内端粒酶活性的影响。方法MTT法和流式细胞术检测细胞生长和凋亡的情况,TRAP-ELISA法测定端粒酶活性变化。结果DDP联合AA作用组比单独用DDP组细胞凋亡率明显增高,端粒酶活性明显降低。单独10!mol/LDDP处理组细胞生长未受到明显抑制,但联合AA后其生长受到抑制。结论AA能增强DDP诱导卵巢癌CAOV3细胞凋亡,并增强DDP对细胞内端粒酶活性的抑制作用。     

顺铂对人卵巢癌CAOV3细胞端粒酶活性和凋亡的影响

目的研究顺铂作用于卵巢癌CAOV3细胞后，端粒酶活性、细胞凋亡和细胞周期变化与细胞耐药性的关系。方法用顺铂处理卵巢癌CAOV3细胞，端粒酶重复序列扩增(TRAP)一银染法测定端粒酶活性，流式细胞仪观察细胞凋亡和细胞周期的改变。结果顺铂(DDP)处理卵巢癌CAOV3细胞后，CAOV3细胞端粒酶活性受到抑制，细胞周期受阻于G2／M期，未见细胞凋亡峰改变。结论CAOV3细胞对顺铂的耐药性通过多因素起作用，DDP对端粒酶活性具有抑制作用，可以改变细胞周期，但对细胞凋亡无明显影响。     

维生素C增强As2O3诱导宫颈癌HeLa细胞凋亡的研究

目的:探讨维生素C是否能影响三氧化二砷(As2O3)诱导宫颈癌HeLa细胞凋亡,以及它对细胞内端粒酶活性的影响。方法:用噻唑蓝(MTT)法筛选出维生素C的最佳浓度250μmol.L-1,并用该浓度联合不同浓度的As2O3同时处理HeLa细胞后,用光镜、MTT法和流式细胞术研究细胞生长和凋亡的情况,用TRAP-ELISA法检测细胞内端粒酶活性的变化。结果:单独1μmol.L-1As2O3处理过的细胞生长未受到明显抑制,但联合250μmol.L-1维生素C处理细胞,则细胞生长受到抑制,且部分细胞出现凋亡形态学特征。2、51、0μmol.L-1As2O3联合维生素C用药组的细胞凋亡率也比单独用As2O3组明显增高,且出现凋亡的时间提早。端粒酶活性检测结果提示,联合用药组细胞内端粒酶活性均明显比单独用As2O3组低。结论:小剂量维生素C能增强As2O3诱导宫颈癌HeLa细胞凋亡,并能增强As2O3对细胞内端粒酶活性的抑制作用。     

甲磺酸甲酯对CAOV3细胞端粒酶活性的影响

目的：探讨卵巢癌细胞CAOV3经烷化剂甲磺酸甲酯(MMS)作用后端粒酶活性变化与生长状态之间的关系。方法：台盼蓝拒染法计数活细胞，噻唑蓝(MTT)法测定药物作用浓度，流式细胞术观察细胞凋亡，端粒重复扩增法(TRAP)、聚丙烯酰胺凝胶电泳和银染法检测端粒酶活性。结果：用药组与未用药组活细胞百分率无显著差异。MMS主要使CAOV3细胞受阻予S期，未见凋亡峰。用药组与对照组相出较端粒酶活性增强。结论：MMS对OWV3细胞端粒略活性有上调作用。CA0V3细胞对MMS的抗凋亡效应可能与端粒酶活性上调有关。     

三氧化二砷诱导卵巢癌细胞株SKOV3凋亡对端粒酶活性的影响

目的探讨三氧化二砷诱导卵巢癌细胞株SKOV3凋亡时对端粒酶活性的影响。方法不同浓度的As2O3溶液作用卵巢癌细胞SKOV3,在不同时间点收集细胞,MTT法检测细胞生长抑制率;FCM检测细胞凋亡率;TRAP-银染法观察端粒酶活性的变化。结果 As2O3溶液对SKOV3细胞有生长抑制和诱导凋亡的作用。As2O3作用SKOV3细胞24 h,端粒酶活性无明显下降,但有凋亡现象,凋亡率为6.15%。随着作用时间的延长,凋亡率逐渐上升,端粒酶活性逐渐下降。随着药物浓度的升高端粒酶活性也呈不断下降趋势,以至消失。结论 As2O3诱导SKOV3凋亡与端粒酶活性有一定相关性,但端粒酶活性的下降可能不是As2O3诱导细胞凋亡的早期事件。     

As2O3诱导宫颈癌HeLa细胞凋亡与细胞内端粒酶活性关系的研究

目的探讨As2O3对HeLa细胞的诱导凋亡作用及对HeLa细胞端粒酶活性的影响.方法采用不同浓度的As2O3作用于人宫颈癌HeLa细胞不同生长时间段(24、48、72 h)后,显微镜下观察细胞凋亡,四甲基偶氮唑盐比色法(MTT法)测定细胞生长抑制情况,TRAP-ELISA方法测定细胞内端粒酶活性变化.结果2 μmol*L-1的As2O3处理HeLa细胞48 h后可降低细胞存活率,诱导细胞凋亡,细胞内端粒酶活性比对照组明显下降.随着As2O3 浓度增加、作用时间延长,作用效果越明显.结论As2O3诱导HeLa细胞凋亡可能与其抑制细胞内端粒酶活性有关.     

三氧化二砷联合抗坏血酸对肝癌细胞增殖和凋亡的影响

目的:研究三氧化二砷(As2O3)联合抗坏血酸(AA)对肝癌HepG2细胞增殖和凋亡的影响,并探讨其细胞内谷胱甘肽(GSH)水平.方法:As2O3和AA不同组合孵育细胞HepG2,采用台盼蓝染色实验检测药物对细胞生长的影响,流式细胞仪检测亚二倍体凋亡峰,Annexin V染色检测细胞凋亡率,GSH实验检测细胞内GSH水平.结果:100 μmol/L的AA单独作用与对照组相比在细胞增殖和凋亡都无显著性差异;低剂量(2 μmol/L)和高剂量(5 μmol/L)的As2O3都能抑制细胞增殖活性和诱导细胞凋亡,联合AA作用后,比相应浓度的单独As2O3作用更为显著;AA和As2O3分别处理都能明显消减细胞GSH含量,两种药物联合作用后与相应单独As2O3作用相比GSH水平显著性降低.结论:GSH在As2O3对肝癌细胞抑制增殖和诱导凋亡作用机制中起到重要的作用,高低剂量的As2O3联合AA通过降低GSH水平均可以增强As2O3对肝癌细胞抑制生长及其诱导凋亡作用的敏感性.     

二甲基亚砜对CAOV3细胞端粒酶活性的可逆性抑制作用

目的探讨卵巢癌细胞CAOV3经二甲基亚砜（Dimethyl sulfoxide，DMSO）作用后及停止用药后端粒酶活性变化与细胞周期进展之间的关系。方法台盼蓝拒染法计数活细胞，流式细胞术观察细胞周期分布，端粒重复序列扩增法（TRAP）、聚丙烯酰胺凝胶电泳和银染法检测端粒酶活性。结果生长曲线显示DMSO对CAOV3细胞具有生长抑制作用，且具有浓度和时间依赖性。经1．4％DMSO作用96h后，CAOV3细胞主要受阻于G0／G1期，其端粒酶活性完全被抑制。去除药物后，细胞逐渐由G0／G1期向S期过渡，其端粒酶活性亦逐渐恢复，并于去除药物24h时，S期细胞百分率与端粒酶活性均明显高于用药前水平。结论DMSO对CAOV3细胞具有可逆性阻滞细胞周期进展，并下调其端粒酶活性的作用。CAOV3细胞端粒酶活性表达可能存在细胞周期依赖性调节。     

曲妥株单抗联合顺铂对卵巢癌细胞株的抑制作用

目的研究曲妥株单抗对卵巢癌细胞株SKOV3的抑制作用。方法采用四甲基偶氮唑盐（MTT）法与流式细胞术检测人卵巢癌细胞株SKOV3的生长抑制及凋亡情况。结果 （1）顺铂（DDP）、曲妥株单抗及DDP＋曲妥株单抗合药均对卵巢癌细胞株SKOV3有一定的生长抑制作用;在同一浓度、同一作用时间下,DDP组的抑制率高于曲妥株单抗组,DDP＋曲妥株单抗组的抑制率高于DDP组;3组均随着药物浓度的增加、作用时间的延长而抑制作用增强（P〈0.05）。（2）DDP、曲妥株单抗及DDP＋曲妥株单抗3组的凋亡率均较对照组高,且3组的凋亡率均随作用时间的延长而升高;在同一作用时间下,DDP组的凋亡率高于曲妥株单抗组,DDP＋曲妥株单抗组的凋亡率高于DDP组（P〈0.05）。结论 DDP、曲妥株单抗及其联合DDP均能明显抑制人卵巢癌细胞株SKOV3的增殖,诱导细胞凋亡,并呈剂量和时间依赖性,联合DDP效应增强。     

PI-103对人卵巢癌细胞株SKOV3／DDP顺铂化疗效果的影响

目的：探讨磷脂酰肌醇3-激酶（PI3K）/哺乳动物雷帕霉素靶蛋白（mTOR）双抑制剂PI-103对卵巢癌耐顺铂株SKOV3/DDP顺铂化疗效果的影响。方法：将PI-103、顺铂及两者联合分别作用于SKOV3/DDP细胞,采用CCK-8法检测细胞生长情况,流式细胞技术检测药物单独或联合作用对细胞凋亡的影响;应用Western blot检测蛋白激酶B（Akt）、磷酸化Akt（p-Akt）、核糖体蛋白（rpS6）、磷酸化rpS6（p-rpS6）以及凋亡相关蛋白Bcl-2与Bax蛋白表达变化。结果：PI-103能够抑制SKOV3/DDP细胞增殖,且呈浓度、时间依赖性;联合用药可以明显增加对细胞生长抑制和凋亡作用。 PI-103能下调Akt和rpS6的磷酸化水平,促DDP上调Bax和下调Bcl-2的表达。结论：PI-103抑制PI3 K/Akt/mTOR信号传导通路,促DDP上调促凋亡蛋白及下调抗凋亡蛋白的表达,从而抑制癌细胞生长,诱导其凋亡,增加卵巢癌耐顺铂株SKOV3/DDP细胞对DDP的化疗效果。     

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…     

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.     

BLOOD PRESSURE CHANGE WITH AGE IN SALT-SENSITIVE TEENAGERS

Objective To observe blood pressure change with age in salt-sensitive teenagers whose salt sensitivity were determined by repeated testing.Methods Salt sensitivity was determined through intravenous infusion of normal saline combined with volume-depletion by oral diuretic furosemide in 55 teenagers. After five years, salt sensitivity was re-examined and subject blood pressure was followed up. Blood pressure changes in salt-sensitive teenagers were compared to that of non-salt sensitive teenagers over five years.Results After 5 years, the repetition rate of salt sensitivity determined by intravenous saline loading is 92.7%. In teenagers with salt sensitivity on the baseline, both the systolic blood pressure increments and increment rates were much higher than non-salt sensitive teenagers (12.7±12.1 mmHg vs. 2.8±5.2 mmHg, P＜ 0.01; 12.2%± 12.0% vs. 2.5% ±4.4%, P＜ 0.001,respectively). There was a similar trend for diastolic blood pressure (8.4 ± 6.4 mmHg vs. 3.7 ± 6.4 mmHg, P = 0.052; 13.2% ±10.6 % vs. 6.8%± 10.1%, P = 0.053, respectively).Conclusions Salt sensitivity determined by intravenous saline loading showed good reproducibility. Blood pressure increments with age were much higher in salt-sensitive teenagers than non-salt sensitive teenagers, especially in terms of systolic blood pressure.     

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.     

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.     

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.     

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.     

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.