过山蕨中黄酮类成分的研究

目的 研究过山蕨(Camptosorus sibiricus Rupr.)中黄酮类化学成分.方法 采用反复硅胶柱色谱法、Sephadex LH-20柱色谱法、高效液相色谱法等进行分离纯化,并通过理化常数测定和光谱分析鉴定了其化学结构.结果 从过山蕨70%乙醇提取物中分离得到6个黄酮类化合物,并鉴定其结构为:山柰酚(1);山柰酚-7.0-α-L-鼠李糖苷(2);山柰酚-3-O-β-D-吡喃葡萄糖基(1→2)-β-D-吡喃葡萄糖苷(3);山柰酚-3-O-β-D-吡喃葡萄糖基(1→2)-β-D-吡喃葡萄糖基-7-O-β-D-吡喃葡萄糖苷(4);山柰酚-3-O-β-D-吡喃葡萄糖基-7-O-β-D-吡喃葡萄糖基(1→2)-β-D-吡喃葡萄糖苷(5);山柰酚-3-O-β-D-吡喃葡萄糖基(1→4)-α-L-鼠李糖基-7-O-α-L-鼠李糖苷(6).结论 化合物2,3,4,5,6均为首次从该属植物中分离得到.     

吉非罗齐的合成

目的:对银杏(GinkgobilobaL.)叶的化学成分进行分离、鉴定。方法:采用各种色谱技术进行分离,用IR,UV,MS,1HNMR,13CNMR和2DNMR光谱技术确定化合物的结构。结果:分得8个黄酮醇苷类成分:槲皮素-3-O-β-D-葡糖苷(1),山奈酚-3-O-β-D-葡糖苷(2),芦丁(3),山奈酚-3-O-β-D-芸香糖苷(4),异鼠李素3-O-β-D-芸香糖苷(5),槲皮素-3-O-β-D-葡萄糖基(1-2)-α-L-鼠李糖苷(6),山奈酚-3-O-β-D-葡萄糖基(1-2)-α-L-鼠李糖苷(7),异鼠李素-3-O-β-D-葡萄糖基(1-2)-α-L-鼠李糖苷(8)。结论:化合物8为新化合物。银杏叶中的黄酮醇苷类成分@唐于平@…     

红凤菜化学成分研究

目的 研究菊科三七草属植物红凤菜Gynura bicolor DC.地上部分的化学成分.方法 采用硅胶、凝胶柱色谱等方法 分离化合物,运用理化性质和现代光谱技术鉴定化合物的结构.结果 分离得到17个化合物,分别鉴定为:十八碳脂肪醇(Ⅰ)、十一碳脂肪酸(Ⅱ)、二十六碳脂肪酸(Ⅲ)、三十碳脂肪酸(Ⅳ)、己烷(Ⅴ)、对羟基苯甲酸(Ⅵ)、山柰酚(Ⅶ)、山柰酚-3-O-β-D-葡萄糖苷(Ⅷ)、高车前苷(Ⅸ)、山柰酚-3-O-β-D-吡喃葡萄糖基(6→1)-α-L-鼠李糖苷(Ⅹ)、槲皮素-3-O-β-D-吡喃葡萄糖基(6→1)-α-L-鼠李糖苷(Ⅺ)、槲皮素-双-3-O-β-葡萄糖苷(Ⅻ)、β-香树脂醇(Ⅻ)、α-香树脂醇(ⅩⅣ)、β-香树脂醇-3-O-β-葡萄糖苷(ⅩⅤ)、乙酰表木栓醇(ⅩⅥ)、β-谷甾醇(Ⅶ).结论 全部17个化合物均为首次从红凤菜中分离得到.     

单芽狗脊蕨的化学成分

目的 研究单芽狗脊蕨的化学成分。方法 使用色谱技术对化学成分进行分离纯化,根据理化性质、波谱特征鉴定结构。结果 从其甲醇提取物中分离了12个化合物,分别鉴定为6-苯乙烯基-2-吡喃酮-4-O-β-D-葡萄糖苷(Ⅰ)、坡那甾酮A(Ⅱ)、山柰酚-3-O-α-L-鼠李糖基-7-O-α-L-鼠李糖苷(Ⅲ)、芹菜素-7-O-α-L-鼠李糖基-(1→3)-O-α-L-鼠李糖苷(Ⅳ)、对苯甲酸鼠李糖醇苷(Ⅴ)、1-O-β-D-半乳糖-(6→1)-α-D-半乳糖-2,3-O-月桂酸甘油二酯(Ⅵ)、正丁基-O-α-D-呋喃果糖苷(Ⅶ)、正丁基-O-β-D-呋喃果糖苷(Ⅷ)、正丁基-O-β-D-吡喃果糖苷(Ⅸ)、十六烷醇(Ⅹ)、β-谷甾醇(Ⅺ)、胡萝卜苷(ⅩⅡ)。结论 除化合物Ⅲ、Ⅺ外,其余化合物均为首次从单芽狗脊蕨中分离得到。     

毛重楼的化学成分研究

目的研究毛重楼根茎中的化学成分。方法采用溶剂法提取,利用正相硅胶色谱、葡聚糖凝胶Sephadex LH-20、反相制备色谱等手段进行分离纯化,并通过1H-NMR、13C-NMR等波谱技术进行结构鉴定。结果从醋酸乙酯层和正丁醇层中分离得到11个化合物,分别鉴定为β-谷甾醇(Ⅰ)、豆甾醇(Ⅱ)、邻苯二酸二正丁基酯(Ⅲ)、β-蜕皮激素(Ⅳ)、偏诺皂苷元-3-O-α-L-呋喃阿拉伯糖基(1→4)-［α-L-吡喃鼠李糖基(1→2)］-β-D-吡喃葡萄糖苷(Ⅴ)、薯蓣皂苷元-3-O-α-L-呋喃阿拉伯糖基(1→4)-［α-L-吡喃鼠李糖基(1→2)］-β-D-吡喃葡萄糖苷(Ⅵ)、偏诺皂苷元-3-O-α-L-呋喃阿拉伯糖基(1→4)-β-D-吡喃葡萄糖苷(Ⅶ)、薯蓣皂苷元-3-O-α-L-呋喃阿拉伯糖基(1→4)-β-D-吡喃葡萄糖苷(Ⅷ)、偏诺皂苷元-3-O-α-L-吡喃鼠李糖基(1→4)-α-L-吡喃鼠李糖基(1→4)-［α-L-吡喃鼠李糖 基(1→2)］-β-D-吡喃葡萄糖苷(Ⅸ)、槲皮素(Ⅹ)和山柰酚(Ⅺ)。结论化合物Ⅰ～Ⅺ均为首次从该种植物中分离得到,其中化合物Ⅲ、Ⅹ为首次从该属植物中分离得到。     

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。     

月季花的化学成分研究

目的 对山西产月季花Rosa chinensis的化学成分进行系统的分离和鉴定。方法 采用色谱分离技术进行分离纯化,通过理化性质、波谱分析鉴定其结构。结果 从月季花的甲醇提取物中分离并鉴定了13个化合物,分别为槲皮素-3-O-α-L-鼠李糖苷(1)、胡桃苷(2)、槲皮素-3-O-β-D-半乳糖苷(3)、萹蓄苷(4)、山柰酚-3-O-6″-反式-香豆酰基-β-D-葡萄糖苷(5)、槲皮素(6)、没食子酸(7)、山柰酚-3-O-α-L-鼠李糖苷(8)、槲皮素-3-O-6″-反式-香豆酰基-β-D-葡萄糖苷(9)、山柰酚-3-O-2″-没食子酰基-β-D-葡萄糖苷(10)、槲皮素-3-O-2″-没食子酰基-β-D-葡萄糖苷(11)、山柰酚(12)和β-谷甾醇(13)。结论 月季花中主要含黄酮苷类化合物;在分离鉴定的成分中,化合物1～5、9～11和13为首次从该植物中分离得到。     

潺槁木姜子中黄酮类成分研究

目的对潺槁木姜子化学成分进行系统研究。方法利用色谱技术进行分离纯化,并根据理化常数和光谱解析鉴定各化合物结构。结果从潺槁木姜子乙醇提取物中分离得到9个化学成分,经理化常数和光谱分析分别鉴定为:山柰酚-3-O-β-D-半乳糖苷(Ⅰ)、山柰酚-3-α-L-鼠李糖苷(Ⅱ)、槲皮素-3-α-L-阿拉伯糖苷(Ⅲ)、槲皮素-3-O-β-D-鼠李糖苷(Ⅳ)、山柰酚-3-O-α-L-鼠李糖基(1→6)-β-D-葡萄糖苷(Ⅴ)、芦丁(Ⅵ)、( )-没食子儿茶素(Ⅶ)、丁香酸(Ⅷ)、2,4-二甲氧基苯酚(Ⅸ)。结论从云南思茅所产潺槁木姜子中分离得到9个化合物,其中化合物Ⅰ、Ⅲ、Ⅶ、Ⅷ、Ⅸ为首次从该植物中分离得到。     

灰毡毛忍冬中皂苷类成分的研究

目的研究灰毡毛忍冬Lonicera macranthoides花蕾的化学成分。方法灰毡毛忍冬药材90%乙醇提取液依次用石油醚和醋酸乙酯萃取,醋酸乙酯萃取部分反复柱色谱得到化合物。结果从灰毡毛忍冬花蕾中分离鉴定了6个皂苷类化合物:3-O-β-D-吡喃葡萄糖基(1-4)-β-D-吡喃葡萄糖基(1-3)-α-L-吡喃鼠李糖基(1-2)-α-L-吡喃阿拉伯糖基-常春藤皂苷元-28-O-β-D-吡喃葡萄糖基(1-6)-β-D-吡喃葡萄糖酯苷(Ⅰ)、3-O-β-D-吡喃葡萄糖基(1-3)-α-L-吡喃鼠李糖基(1-2)-α-L-吡喃阿拉伯糖基-常春藤皂苷元-28-O-β-D-吡喃葡萄糖基(1-6)-β-D-吡喃葡萄糖酯苷(Ⅱ)、3-O-α-L-吡喃阿拉伯糖基-常春藤皂苷元-28-O-β-D-吡喃葡萄糖基(1-6)-β-D-吡喃葡萄糖酯苷(Ⅲ)、3-O-β-D-吡喃葡萄糖基(1-4)-β-D-吡喃葡萄糖基(1-3)-α-L-吡喃鼠李糖基(1-2)-α-L-吡喃阿拉伯糖基-常春藤皂苷元(Ⅳ)、3-O-β-D-吡喃葡萄糖基(1-3)-α-L-吡喃鼠李糖基(1-2)-α-L-吡喃阿拉伯糖基-常春藤皂苷元(Ⅴ)、3-O-α-L-吡喃鼠李糖基(1-2)-α-L-吡喃阿拉伯糖基-齐墩果酸-28-O-β-D-吡喃葡萄糖基(1-6)-β-D-吡喃葡萄糖酯苷(Ⅵ)。结论化合物Ⅲ为首次从忍冬属植物中分得,Ⅳ、Ⅴ为首次从该植物中分得,Ⅵ为首次从该植物中分得的齐墩果酸型皂苷。     

细梗胡枝子化学成分的研究(Ⅱ)

目的 研究细梗胡枝子 Lespedeza virgate全草的化学成分。方法 采用多种色谱技术对其进行分离纯化，根据光谱数据和理化性质鉴定化合物结构。结果 从细梗胡枝子70%乙醇提取物的醋酸乙酯和正丁醇萃取部分分离鉴定了9个化合物，分别为大黄素-8-O-β-D-葡萄糖苷(1)、胡萝卜苷棕榈酸酯(2)、芦丁(3)、山柰酚-3-O-β-D-吡喃葡萄糖-7-O -α-L-吡喃鼠李糖苷(4)、山柰酚-3-O-αL吡喃鼠李糖-7-O-α-L-吡喃鼠李糖苷(5)、山柰酚-3-O-β-D-吡喃半乳糖苷(6)、豆甾醇(7)、β谷甾醇(8)、胡萝卜苷(9)。结论 化合物1～3和6为首次从胡枝子属植物中分离得到，化合物7～9为首次从该种植物中分离得到。     

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.