氧自由基动态变化与胆红素结石成石的实验研究

用胆红素结石（ｐｓ）兔模型进行实验，设单纯胆道梗阻（ＢＯ）组、梗阻和大肠杆茵感染（ＢＯＩ）组及空白对照组，观察肝组织及胆汁氧自由基（ＯＦＲ）变化情况及对ＰＳ的影响。实验结果：肝组织部分ＯＦＲ、前列腺素Ｅ＿２（ＲＧＥ＿２）及ＰＳ的动态变化趋势相似，三者呈正相关；ＢＯＩ组的上述指标均较ＢＯ组为高。提示ＯＦＲ可能促使ＰＧＥ＿２合成，后者致糖蛋白分泌而参与ＰＳ的形成；大肠杆菌感染可能在梗阻的基础上增多ＯＦＲ的生成而增加了Ｐｓ的形成。     

环孢素A肾中毒时大鼠尿中前列腺素的变化

该实验探讨了环孢素Ａ（ＣｓＡ）肾中毒与肾脏血栓素Ａ２（ＴＸＡ＿２）、前列环素（ＰＧＩ＿２）的关系。实验中将ＳＤ雄性大鼠２０只随机分为二组，Ｉ组为正常对照组；Ⅱ组为ＣｓＡ中毒组。于实验前后分别检测大鼠的肾功能、尿酶以及尿中血栓素Ｂ＿２（ＴＸＢ＿２）、６－酮－前列腺素Ｆ１ａ（６－ｋｅｔｏ－ｐＧＦ１ａ）等指标，最后进行肾脏光镜检查。结果发现，ＣｓＡ中毒组大鼠尿中的ＴＸＢ＿２显著升高，而尿中６－ｋｅｔｏ－ｐＧＦ１ａ稍低于正常对照组，ＴＸＢ＿２／６－ｋｅｔｏ－ｐＧＦ１ａ比值明显升高。实验证实，中毒剂量的ＣｓＡ引起肾脏ＴＸＡ＿２／ＰＧＩ＿２平衡常数明显升高。     

学龄儿童智商及其影响因素的调查分析

用环硫氯丙烷分别与ｏ，ｍ，ｐ－苯二胺进行开环、缩聚反应，合成了一类新的巯基苯二胺型螯合树脂．３种苯二胺异构体的反应活性顺序为：ｐ－＞ｍ－＞ｏ－，研究了这类树脂对贵金属的吸附性能，其中以含ｐ－苯二胺结构的树脂性能较好，它对Ａｕ（Ⅲ）和Ａｇ（Ⅰ）具有高的吸附容量；对Ｐｄ（Ⅱ）有一定的吸附；但对Ｐｔ（Ⅳ）则几们不吸附。     

麦滋林－S颗粒对大鼠胃粘膜的保护作用

选用６２只雄性大鼠随机分为５组：正常组（ｎ＝１０）、急性胃炎组（ｎ＝１２）、预防组（ｎ＝１５）、治疗组（ｎ＝１５）及对照组（ｎ＝１０）。观察麦滋林－Ｓ颗粒对急性胃炎大鼠胃大体形态及组织学变化、前列腺素Ｅ＿２（ＰＧＥ＿２）、６－酮前列腺素Ｆ＿（１ａ）（６－ｋｅｔｏ－ＰＧＦ＿（１ａ））、血栓素Ｂ＿２（ＴＸＢ＿２）、超氧化物歧化酶（ＳＯＤ）、和丙二醛（ＭＤＡ）。观察麦滋林－Ｓ颗粒（Ｍ－Ｓ）对照组胃粘膜充血水肿、糜烂及炎性细胞浸润无明显改善，而治疗组炎性改变基本恢复正常。治疗组ＰＧＥ＿２、６－ｋｅｔｏ－ＰＧＦ＿（１ａ）、ＴＸＢ＿２、５Ｏ０和ＭＤＡ分别为５８２．０６±１６９．１４、３７２．２１±２５９．８５、１２９．６９±１０４．１０ｐｇ／ｍｇ湿重；４９０．９６±１３０．６０、２．１５７±０．４８６ｄ／ｍｌ１０Ｖｏｌ上清。与对照组相比，有显著性差异（Ｐ＜０．０１）。Ｍ－Ｓ促进大鼠胃粘膜具有细胞保护作用的ＰＧＥ＿２、ＰＧＩ＿２的合成，抑制ＴＸＡ＿２的产生，抑制自由基的形成，降低ＬＰＯ水平，对胃粘膜损伤具有保护作用（治疗和预防作用）。     

Borrmann2型与Borrmann4型胃癌病理形态学及P_（53）蛋白免疫组织化学的研究

Ｂｏｒｒｍａｎｎ２型与Ｂｏｒｒｍａｎｎ４型胃癌病理形态学及Ｐ＿（５３）蛋白免疫组织化学的研究高华，苏晓林，张素敏王新文，张强（肿瘤研究所）（第一临床学院外科）关键词胃癌；病理形态学；Ｐ＿（５３）蛋白；免疫组织化学ＢＯｒｒｍａｎｎ２型（ＢＯｒｒ２）与Ｂ...     

婴幼儿毛细支气管炎血中TXB_2、6－Keto－PGF_（1α）变化的研究

应用放射免疫分析法对２０例正常儿、２７例毛细支气管炎、７例肺炎和６例上感进行血浆血栓素Ｂ＿２（ＴＸＢ＿２），６－酮－前列素Ｆ＿（１α）（６－Ｋｅｔｏ－ＰＧＦ＿（１α））测定，动态观察其变化。结果显示：（１）毛细支气管炎急性期ＴＸＢ＿２、ＴＸＢ＿２／６－Ｋｅｔｏ－ＰＧＦ＿（１α）（Ｔ／Ｋ）比值明显升高，病情重者较高，恢复期则下降至正常，而６－Ｋｅｔｏ－ＰＧＦ＿（１α）无显著变化；（２）肺炎或上感上述指标均无显著变化。提示ＴＸＡ＿２－ＰＧＩ＿２之间平衡失调可能是毛细支气管炎发病的重要因素之一。     

脑血管病患者血浆TXB＿2、6－Keto－PGF＿（1α）含量测定及动态观察

测定６５例脑血管病患者和１４名健康人血浆中ＴＸＢ＿２、６－Ｋｅｔｏ－ＰＧＦ＿（１α）的水平，结果脑梗塞患者血浆中ＴＸＢ＿２明显增高，６－Ｋｅｔｏ－ＰＧＦ＿（１α）明显降低；脑出血、蛛网膜下腔出血患者ＴＸＢ＿２变化不明显，６－Ｋｅｔｏ－ＰＧＦ＿（１α）明显降低；脑动脉硬化患者的ＴＸＢ＿２、６－Ｋｅｔｏ－ＰＧＦ＿（１α）均无明显变化。脑梗塞患者４８ｈ、１０ｄ、３０ｄ的动态观察结果表明ＴＸＢ＿２发病后逐渐降低，至３０ｄ时趋于正常水平，６－Ｋｅｔｏ－ＰＧＦ＿（１α）逐渐升高，至１０ｄ时趋于正常水平。提示ＴＸＡ＿２－ＰＧＩ＿２平衡失调参与脑血管病的发病，其动态变化与脑梗塞病病情发展有一定关系。     

十全大补口服液对癌症患者放疗时免疫功能的影响

将古方十全大补汤十味药用醇提、水煎、醇沉工艺制成１：１的十全大补口服液，应用于放疗癌症患者，观察患者免疫功能的变化。临床治疗发现，一个疗程后用药组病人Ｔ细胞亚群ＯＫＴ＿３有非常显著提高Ｐ＜０．０１、ＯＫＴ＿４、ＯＫＴ＿４／ＯＫＴ＿８比值有显著提高Ｐ＜０．０５，红细胞免疫功能明显增强，（ＲＢＣ－Ｃ＿（３６）比用药前显著升高Ｐ＜０．０５，ＲＢＣ－ＩＣ比用药前显著下降（Ｐ＜０．０５），两项对照组呈下降趋势；白细胞计数一个疗程后下降不明显（Ｐ＞０．０５），而对照组明显下降（Ｐ＜０．０５）。     

婴幼儿佝偻病血清中25－OHD_3、骨钙素与AKP、钙、磷关系的探讨

测定乌鲁木齐市８０例春季婴幼儿佝偻病血清中２５－ＯＨＤ＿３、骨钙素（ＢＧＰ）、ＡＫＰ、钙及磷指标，并比较维生素Ｄ＿３６０万单位治疗组与维生素Ｄ＿２３０万单位治疗组的疗效。结果表明：患儿血清２５－ＯＨＤ＿３水平为１２．４７±５．１０ｎｇ／ｍｌ，其中３９人（占４９％）＜１１ｎｇ／ｍｌ，说明严重缺乏维生素Ｄ。ＢＧＰ水平为１２．１±２．５０ｎｇ／ｍｌ，较成人正常值（５～１０ｎｇ／ｍｌ）高，这可能与婴儿期骨生长快、骨更新率高有关。血清２５－ＯＨＤ＿３和ＢＧＰ分别与血清ＡＫＰ呈负相关。维生素Ｄ＿３６０万单位治疗组的疗效优于维生素Ｄ＿３３０万单位治疗组。认为血清ＢＧＰ与２５－ＯＨＤ＿３可作为衡量骨骼变化状况的较灵敏而特异的指标。     

BQ＿（123）－多聚赖氨酸携载β－半乳糖苷酶基因向血管平滑肌细胞的靶向导入

本研究连接合成了ＢＱ１２３－多聚赖氨酸（ＢＰ）利用ＢＱ１２３对血管平滑肌细胞（ＶＳＭＣ）膜表面内皮素Ａ型受体（ＥＴＡ）的高度选择性和多聚赖氨酸对ＤＮＡ的强吸附作用，以ＢＰ携载含有β－半乳糖苷酶（β－ＬａｃＺ）基因的表达质粒ｐＳＶ－β－Ｇａｌａｃｔｏｓｉｄａｓｅ（ｐＳＶ－β－ＬａｃＺ）对培养的ＶＳＭＣ和内皮细胞（ＥＣ）转移基因。结果表明，ＢＰ具有向ＶＳＭＣ转基因性能，且依赖与靶细胞表面ＥＴＡ的结合。     

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.     

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.     

The comparative studies of the influences of Urapidil and Nicardipine on sino-atrial node function, atrio-ventricular node function and hemodynamics

Objective:To investigate the influences of urapidil and nicardipine on rabbit sinus function,atrio-ventricular node function and hemodynamics.Methods:Thirty-two Angora's rabbits were selected and randomly divided into four groups.U1 group:urapidil 0.25 mg/kg;U2 group:urapidil 0.5 mg/kg;N1 group:nicardipine 10 μg/kg;N2 group:nicardipine 20 μg/kg.All these medicine were administrated within 30 seconds.Measurements were taken before and after the administration of urapidil or nicardipine for the following data:mean blood pressure(MAP),heart rate(HR),sino-atrial conduction time(SACT),maximal sinoatrial recovery time(SNRTmax)corrected sinus node recovery time(CSNRT),index of sinus node recovery time(SNRTI),Wenckebach A-V conduction frequency (WB),and P-R interval.Results:Significant MAP and HR changes were identified in all of the four groups before and after administration of both urapidil and nicardipine.No significant changes could be found in the rest of the parameters.Intergroup analysis showed that SACT and CSNRT of N1 and N2 groups were shorter than those of the U2 group(P＜0.01);the MAP decreased(P＜0.01)and the HR increased drastically(P＜0.01).Conclusions:Neither urapidil(0.25 mg/kg,0.5 mg/kg)nor nicardipine(10μg/kg,20μg/kg)has any significant influence on rabbit sinus function or rabbit atrio-ventricular node function.Nicardipine could be a better choice than urapidil for parafunctional sinus node patients.     

Expression of OPGmRNA and ODFmRNA in the patients of hip fracture due to osteoporosis

Objective：To investigate the gene expression of osteoprotegerin（OPG） and osteoclast differentiation factor（ODF） in the bone tissue of patients with hip fracture due to osteoporosis. Methods：OPGmRNA and ODFmRNA in the bone tissue in 50 cases of osteoporosis sufferers（over 50 years old） with hip fracture（Observer Group） and 30 cases of hip facture sufferers with no osteoporosis（Control group） were analyzed with the Semi-Quantitative RT-PCR method. Results：The mRNA expressed of ODF, OPG were both high in the patients with hip fracture. In the control group, the expression of OPG mRNA was observed, while the expression of ODF mRNA was very slight. Conclusion：Aged patients contained all signals including OPG, ODF that are essential for inducing osteoclastogenesis and promoting bone resorption.     

Dynamic Changes in Serum Estradiol and Progesterone levels in Patients of Premenstrual Syndrome with Adverse Flow of Liver-qi

Objective:To probe into the influence of changes of ovarian hormones on the pathogenesis of the specific sub-type premenstrual syndrome(PMS)and reveal partial microcosmic mechanisms of adverse flow of liver-qi.Methods:Estradiol(E2)and progesterone(P)levels in serum were determined at different phases of menstrual cycle by radioimmunoassay.Results:In the group of PMS with adverse flow of liver-qi.the secretive peak value Of E2 and P at the follicular phase significantly decreased,and the secretive peak value at the luteal phase did not come into being.Conclusions:Low E2 and P secretive peak at the follicular phase and absence of secretive peak at the luteal phase is one of the microcosmic mechanisms of PMS with adverse flow of liver-qi.One of the pathophysiologic mechanisms of specific sub-type PMS is probably the continuous low level of E2and P.     

Real-time Three-dimensional Echocardiography in Assessment of Left Ventricular and Right Ventricular Volumes

Real-time three-dimensional echocardiography (RT3DE)is a new ultrasound technique that enables dynamic threedimensional visualization and quantification of the heart in real time. Investigation of feasibility and methodology of RT3DE in determining left ventricular (LV) and right ventricular (RV) volumes, RT3DE was performed in 35 normal adults using Philips SONOS 7500 system with a 2-4 MHz matrix array transducer. The 60°×60° "pyramid" volume database was obtained and analyzed on a TomTec echo workstation. Both LV and RV volumes were calculated with four 3DE methods (i.e. apical 2, 4, 8, and 16-plane) through manually tracing ventricular endocardial borders in end diastole and end systole. Stroke volumes were then calculated. LV volume was also measured by 2DE Simpson's rule using GE VIVID 7 ultrasound machine.     

SCREENING FOR A 21-CHROMOSOME ABNORMALITY IN PREIMPLANTED EMBRYOS OF ELDERLY WOMEN

Increasing maternal age is the only etiological factor unequivocally linked to Down's syndrome in humans. The occurrence rate of newborns with Down's syndrome is about 1/220 in women over 35 years old. However, the occurrence rate in embryos fertilized in vitro, of the elder woman is unclear. Using FISH we screened the number of chromosome 21 in preimplanted embryos of 5 elderly women (average age, 38.4 years) to study the feasibility and necessity of screening trisomy 21 in embryos in patients over 35 years old at the in vitro fertilization (IVF) center.     

Scientific principles and rigorous processes should be followed in developing clinical guidelines for therapeutic interventions of integrative medicine

A clinical guideline for the therapeutic interventions of integrative medicine may be defined as a written document which states a series of recommendations on therapeutic interventions of integrative medicine for a special disease or condition. The guideline may provide assistance to medical professionals in making clinical decisions aimed at improving the clinical outcome of patients and reducing the costs of medical care（~＇4~. Recommendations issued by a guideline should be based on the best available evidence in both Western and Chinese medicine. For fulfilling this purpose, the development of clinical guidelines for therapeutic interventions in the field of integrative medicine should follow scientific principles and undergo a rigorous processes.