细皱香薷叶的化学成分研究

目的研究细皱香薷Elsholtzia rugulosa叶的化学成分。方法采用柱色谱法进行分离和纯化,通过波谱分析鉴定结构。结果 从乙醇提取物中分离得到了12个化合物,鉴定结构分别为洋芹素7-O-β-D-葡萄糖苷(Ⅰ)、木犀草素-7-O-β-D-葡萄糖苷(Ⅱ)、刺槐素7-O-β-D-葡萄糖苷(Ⅲ)、木犀草素-7-O-(6″-乙酰基)-β-D-葡萄糖苷(Ⅳ)、苯甲醇-β-D-葡萄糖苷(Ⅴ)、prunasin(Ⅵ)、β-谷甾醇(Ⅶ)、桦木酸(Ⅷ)、2α-羟基乌苏酸(Ⅸ)、2α-羟基齐墩果酸(Ⅹ)、洋芹素(Ⅺ)和木犀草素(ⅩⅡ)。结论化合物Ⅰ、Ⅲ、Ⅳ、Ⅸ和Ⅹ为首次从该种植物中分离得到。     

沙苑子化学成分研究

目的研究沙苑子总黄酮提取部位的化学成分。方法采用色谱方法分离化学成分,根据波谱数据及理化常数进行结构鉴定。结果共分离鉴定了11个化合物,分别是大麻苷(Ⅰ)、杨梅素3-O-β-D-吡喃葡萄糖苷(Ⅱ)、异槲皮苷(Ⅲ)、槲皮素3-O-α-L-阿拉伯糖苷(Ⅳ)、毛蕊异黄酮7-O-β-D-吡喃葡萄糖苷(Ⅴ)、芒柄花苷(Ⅵ)、西伯利亚落叶松黄酮3-O-β-吡喃葡萄糖苷(Ⅶ)、山奈酚3-O-β-D-葡萄糖苷(Ⅷ)、毛蕊异黄酮(Ⅸ)、沙苑子苷A(Ⅹ)、鼠李柠檬素3-O-β-D-葡萄糖苷(Ⅺ)。结论西伯利亚落叶松黄酮3-O-β-吡喃葡萄糖苷为首次从该植物中分离的成分。     

细梗胡枝子化学成分的研究(Ⅰ)

目的研究细梗胡枝子Lespedeza virgata全草的化学成分。方法采用多种色谱技术对其醋酸乙酯部分进行分离和纯化,根据光谱数据和理化性质鉴定化合物结构。结果分离鉴定了10个化合物,分别鉴定为槲皮素-3′-甲醚(Ⅰ)、槲皮素-3-O-β-D-半乳糖苷(Ⅱ)、槲皮素-3-O-β-D-葡萄糖苷(Ⅲ)、槲皮素-3-O-α-L-鼠李糖苷(Ⅳ)、槲皮素(Ⅴ)、山柰酚-3-O-β-D-吡喃葡萄糖苷(Ⅵ)、山柰酚-3-O-α-L-鼠李糖苷(Ⅶ)、山柰酚(Ⅷ)、正三十烷醇(Ⅸ)、正三十四烷酸(Ⅹ)。结论化合物Ⅰ、Ⅱ、Ⅸ、Ⅹ为首次从胡枝子属植物中分离得到,化合物Ⅲ为首次从该种植物中分离得到。     

苏门白酒草的化学成分研究

目的 研究苏门白酒草的化学成分。方法 运用溶剂萃取、硅胶和聚酰胺柱色谱、重结晶等方法分离纯化,并通过核磁共振谱鉴定化合物的结构。结果 从苏门白酒草中分离鉴定了12个化合物：芹菜素-7-O-β-D-葡萄糖醛酸苷-6″-甲酯(Ⅰ)、芹菜素-7-O-β-D-葡萄糖醛酸苷(Ⅱ)、金圣草黄素-7-O-β-D-葡萄糖醛酸苷-6″-甲酯(Ⅲ)、金圣草黄素-7-O-β-D-葡萄糖苷(Ⅳ)、4′-羟基黄芩素(Ⅴ)、金合欢素-7- O-芸香糖苷(Ⅵ)、金圣草黄素(Ⅶ)、菠甾醇-3-O-β-D-葡萄糖苷(Ⅷ)、菠甾醇-3-O-β-D-葡萄糖苷-6′-O-棕榈酸酯(Ⅸ)、( 2S,3S,4R,8E)-8,9-二脱氢植物鞘氨醇(2′R )-2′-羟基二十二、二十三、二十四、二十五烷酰胺(Ⅹ)、天师酸(Ⅺ)、菠甾醇(ⅩⅡ)。结论 化合物Ⅰ～Ⅺ为首次从该植物中分离得到,化合物Ⅰ～Ⅶ和Ⅸ～Ⅺ为首次从白酒草属植物中分离得到。     

紫花苜蓿黄酮类化学成分的研究

目的研究紫花苜蓿的化学成分。方法利用硅胶柱色谱及Sephadex LH-20柱色谱分离紫花苜蓿地上部分的化学成分,通过理化常数和波谱分析鉴定化合物的结构。结果从该植物氯仿和正丁醇萃取部分分得7个化合物,其结构分别鉴定为:芹菜素-7-O-β-D-葡萄糖苷(apigenin-7-O-β-D-glucoside,Ⅰ)、木犀草素-7-O-β-D-葡萄糖苷(luteolin-7-O-β-D-glucoside,Ⅱ)、脲嘧啶核苷(uridin,Ⅲ)、β-甲基-吡喃葡萄糖苷(methyl-α-L-glucopyranoside,Ⅳ)、芹菜素(apigenin,Ⅴ)、苜蓿素(tricin,Ⅵ)、7,4′-二羟基黄酮(7,4′-dihydroxyflavone,Ⅶ)。结论化合物Ⅰ～Ⅳ为首次从本属植物中分离得到。     

毛脉酸模的化学成分研究(Ⅳ)

目的研究毛脉酸模的化学成分。方法采用硅胶柱色谱、聚酰胺柱色谱及制备高效液相色谱等分离手段,通过理化性质及波谱分析鉴定结构。结果从毛脉酸模乙醇提取物的60%乙醇洗脱部位中分离出10个单体化合物,分别为酸模素(Ⅰ)、大黄素(Ⅱ)、6-羟基芦荟大黄素(Ⅲ)、6′-乙酰基-大黄酚-8-O-β-D-葡萄糖苷(Ⅳ)、大黄酚-8-O-β-D-葡萄糖苷(Ⅴ)、白藜芦醇(Ⅵ)、9,9′-双蒽酮2,2′-二甲基-5,5′-二(β-D-吡喃葡萄糖)-9,9′,10,10′-四氢4,4′-二羟基10,10′-二羰基(Ⅶ)、大黄素-8-O-β-D-葡萄糖苷(Ⅷ)、白藜芦醇-3-O-β-D-葡萄糖苷(Ⅸ)、芦丁(Ⅹ)。结论化合物Ⅶ经文献检索为新化合物,命名为酸模苷A(rumoside A)。化合物Ⅲ、Ⅳ为首次从酸模属植物中分离得到,化合物Ⅴ、Ⅷ、Ⅹ为首次从该植物中分离得到。     

紫菀中多酚类化合物的研究

目的研究紫菀Aster tataricus的多酚类化学成分。方法采用硅胶柱色谱分离,通过理化和波谱分析方法鉴定化合物结构。结果从紫菀石油醚及醋酸乙酯萃取部位分离得到8个化合物,分别鉴定为:芹菜素(apigenin,Ⅰ)、大黄酚(chrysophanol,Ⅱ)、大黄素(emodin,Ⅲ)、大黄素甲醚(physcion,Ⅳ)、橙皮苷(hesperidin,Ⅴ)、山柰酚-3-O-β-D-吡喃葡萄糖苷(kaempferol-3-O-β-D-glucopyranoside,Ⅵ)、芹菜素-7-O-β-D-葡萄糖苷(apigenin-7-O-β-D-glu-copyranoside,Ⅶ)、芦荟大黄素(aloe-emodin,Ⅷ)。结论化合物Ⅴ~Ⅷ为首次从紫菀中分离得到。     

罗布麻花化学成分研究

目的研究新疆产罗布麻花的化学成分。方法硅胶柱色谱和薄层色谱进行分离和纯化,通过理化性质和光谱分析鉴定其结构。结果从罗布麻花中分离鉴定了3个香豆素类和6个黄酮类化合物,分别为东莨菪素(Ⅰ)、异白蜡树定(Ⅱ)、秦皮甲素(Ⅲ)、山柰酚(Ⅳ)、槲皮素(Ⅴ)、槲皮素-3-O-β-D-葡萄糖苷(Ⅵ)、山柰酚-3-O-β-D-吡喃葡萄糖苷(Ⅶ)、芸香苷(Ⅷ)、β-胡萝卜苷(Ⅸ)。结论以上Ⅰ～Ⅲ、Ⅷ、Ⅸ化合物为首次从该植物花中分离而得。     

山核桃树皮化学成分研究

目的 研究山核桃树皮化学成分.方法 利用硅胶柱色谱及重结晶等方法进行分离纯化,通过理化性质及波谱分析鉴定结构.结果 得到15个化合物,鉴定为:4,8-二羟基萘酚-1-O-β-D-(6'-乙酰氧基)吡喃葡萄糖苷(Ⅰ)、双氢山柰酚(Ⅱ)、胡桃醌(Ⅲ)、胡萝卜苷(Ⅳ)、山柰酚(Ⅴ)、4,8-二羟基萘酚-1-O-β-D-[6-O-(3",5"-二甲氧基-4"-羟基苯甲酰基)]吡哺葡萄糖苷(Ⅵ)、山柰酚-3-O-α-L-鼠李糖苷(Ⅶ)3,3'-二甲氧基鞣花酸(Ⅷ)、柚皮素(Ⅸ)、槲皮索(Ⅹ)、4,8-二羟基四氢萘醌(Ⅺ)、槲皮素-3-O-α-L-鼠李糖苷(Ⅻ)、柚皮素-7-O-β-D-葡萄糖苷(XⅢ)、4,8-二羟基萘酚-1-O-β-D-吡喃葡萄糖苷(XⅣ)、4,5,8-三羟基-α-四氢萘醌-5-O-β-D-[6'-O-(3",5"-二甲氧基-4"-羟基苯甲酰基)]吡喃葡萄糖苷(XⅤ).结论 化合物I为新化合物,命名为山核桃酚;化合物Ⅰ、Ⅶ～Ⅸ、Ⅷ、XⅢ系首次从该属植物中得.     

鬼针草有效成分的研究(Ⅱ)

目的 研究鬼针草Bidens bipinnata的地上部分的化学成分。方法 采用硅胶、ODS柱色谱分离并结合Sephadex LH-20和HPLC分离纯化，通过理化鉴定和波谱分析鉴定其化学结构。结果 从鬼针草的正丁醇部位得到6-O-β-D-吡喃葡萄糖基-6，7，3′，4′-四羟基噢哢(海生菊苷)(Ⅰ)、6-O-(6″-乙酰基-β-D-吡喃葡萄糖基)-6，7，3′，4′-四羟基噢哢(Ⅱ)、槲皮素3-O-β-D-吡喃葡萄糖苷(Ⅲ)、槲皮素3-O-α-L-鼠李糖苷(Ⅳ)、异奥卡宁-7-O-β-D-吡喃葡萄糖苷(Ⅴ)、七叶苷(Ⅵ)、(E)2-己烯基-O-β-D-吡喃葡萄糖苷(Ⅶ)、正己烷基O-β-D-吡喃葡萄糖苷(Ⅷ)、异戊基O-β-D-吡喃葡萄糖苷(Ⅸ)、正丁基O-α-D-呋喃果糖苷(Ⅹ)、正丁基O-β-D-呋喃果糖苷(Ⅺ)、正丁基O-β-D-吡喃果糖苷(Ⅻ)。结论 以上12个化合物中除海生菊苷和异奥卡宁-7-O-β-D-吡喃葡萄糖苷外，其他10个化合物均为首次从鬼针草中分离得到。     

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.     

The clinicopathological and immuohistochemical analysis of solid-pseudopapillary tumor of the pancreas： report of 9 cases

Objective：To investigate the clinical features, pathological characteristics and immunophenotype of solid-pseudopapillary tumor of the pancreas（SPTP）. Methods：Nine surgically treated cases of SPTP were retrospectively reviewed. Hematoxylin and Eosin（HE） staining and immunohistochemical staining were used to analyze all cases, and the general clinical data was collected. Results：Six patients were asymptomatic except for a palpable mass. Two patients complained of vague-epigastric pain. One patient appeared jaundice. The tumor was encapsulated and solid tissues alternately with cystic tissues. Histologically, the histological structure of solid portion was pseudopapillary with a fibrovascular core. Tumor cells were uniform and medium-sized which were arranged in sheets ets or nests or pseudopapillary patterns. Immunohistochemical studies demonstrated that SPTP proved positive in vimentin（9/9 cases）, AAT（9/9 cases）, NSE（9/9 cases）, ACT（7/9 cases）, CK20（2/9 cases）, CgA（1/9 cases）, S-100（3/gcases）, PR（4/gcases）, Syn（3/9 cases） and CD56（5/9cases）, negative in CEA and ER. Conclusion：SPTP is a tumor predominantly occurring in young women frequently without special symptoms. This tumor has various characteristical histological patterns with different immunophenotype.     

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.