RP-HPLC法测定六味地黄丸中马钱苷的含量

目的建立六味地黄丸中马钱苷的含量测定方法。方法采用高效液相色谱法,色谱柱为Kromasil100-5C18(4.6 mm×250 mm,5μm);流动相:乙腈:水(15∶85);检测波长:240 nm;柱温:25℃。结果马钱苷在0.05027～0.25140 mg/mL范围内,浓度与峰面积线性关系良好(r=0.9998);样品的平均加样回收率为:100.1%,RSD为0.98%,(n=6)。结论此方法简便、快速,可作为山茱萸药材及其浓缩制剂六味地黄丸中马钱苷的含量测定方法。     

HPLC法同时测定浓缩六味地黄丸中马钱苷和芍药苷的含量

目的建立浓缩六味地黄丸中马钱苷、芍药苷的含量同时测定方法。方法采用高效液相色谱法,色谱柱为Hypersil C18（200 mm×4.6 mm,5μm）,Nova-PakC18 Guard-PakTM保护柱;流动相：0.05%磷酸水溶液-乙腈进行梯度洗脱;柱温：30℃;流速：1 mL/min。结果马钱苷在0.11～1.10μg范围内,进样量与峰面积线性关系良好（r=0.999 5）;样品的平均回收率为99.2%,RSD为1.3%（n=5）。芍药苷在0.15～1.50μg范围内,进样量与峰面积线性关系良好（r=0.999 2）;样品的平均回收率为100.4%,RSD为1.9%（n=5）。结论此方法简便、快速,可作为浓缩六味地黄丸中马钱苷、芍药苷的含量同时测定方法。     

不同剂量六味地黄丸对妊娠期糖尿病模型大鼠脂糖代谢、脂联素及胰岛素抵抗的影响

目的:观察不同剂量六味地黄丸对妊娠期糖尿病(gestational diabetes mellitus,GDM)模型大鼠脂糖代谢、脂联素及胰岛素抵抗的影响。方法:选用SPF级SD大鼠,采用腹腔注射链脲佐菌素的方法制备GDM大鼠模型,选取60只GDM模型大鼠随机分为4组,分别为六味地黄丸低剂量组、六味地黄丸高剂量组、GDM模型组、阳性对照组,每组均15只,另选取正常孕鼠15只作为正常对照组。六味地黄丸低剂量组、六味地黄丸高剂量组大鼠分别给予3 g·kg~(-1)、6 g·kg~(-1)的六味地黄丸混悬液灌胃,每日1次;GDM模型组、正常对照组大鼠则以等体积的生理盐水灌胃,每日1次;阳性对照组大鼠给予盐酸吡格列酮片0.05 g·kg~(-1)灌胃,每日1次。所有大鼠给药8周后停药备用。比较各组大鼠的总胆固醇(total cholesterol,TC)、三酰甘油(triacylglycerol,TG)、低密度脂蛋白胆固醇(low density lipoprotein cholesterin,LDL-C)、高密度脂蛋白胆固醇(high density lipoprotein cholesterol,HDL-C)、空腹血糖、空腹胰岛素、胰岛素抵抗指数(insulin resistance index,HOMA-IR)、脂联素。结果:六味地黄丸高剂量组、六味地黄丸低剂量组的TC、LDL-C高于正常对照组,低于GDM模型组(P0.05);六味地黄丸高剂量组、六味地黄丸低剂量组的TG低于GDM模型组,HDL-C高于GDM模型组(P0.05)。六味地黄丸高剂量组、六味地黄丸低剂量组、阳性对照组的空腹血糖、空腹胰岛素、HOMA-IR高于正常对照组、低于GDM模型组(P0.05),且六味地黄丸高剂量组、阳性对照组的空腹血糖、空腹胰岛素、HOMA-IR低于六味地黄丸低剂量组(P0.05)。六味地黄丸高剂量组、六味地黄丸低剂量组的血清脂联素水平低于正常对照组,高于GDM模型组(P0.05),且六味地黄丸高剂量组的血清脂联素水平高于六味地黄丸低剂量组(P0.05)。结论:六味地黄丸对GDM模型大鼠有一定治疗作用,能够改善大鼠的糖脂代谢和胰岛素抵抗,提高血清脂联素水平。     

HPLC法测定浓缩六味地黄丸中马钱苷含量

目的：建立浓缩六味地黄丸中马钱苷含量测定方法。方法：采用高效液相色谱（HPLC）法,选用C18柱,以四氢呋喃-乙腈-甲醇-0.05%磷酸溶液（体积比为1∶8∶4∶87）为流动相,检测波长为236nm,柱温40℃。结果：精密度实验RSD为1.18%,稳定性实验RSD为2.18%,重现性实验RSD为1.32%,线性范围0.2355～1.6485μg,标准曲线C=1591665.3A-12161.7（r=0.9996,P〈0.05）,平均加样回收率100.43%,RSD为2.18%。结论：该方法测定浓缩六味地黄丸中马钱苷含量,简便、灵敏、稳定、可靠。     

六味地黄丸对甘油诱导的急性肾损伤大鼠肾小管间质的影响

目的观察六味地黄丸对甘油诱导的急性肾损伤大鼠肾小管间质的影响。方法将36只Wistar大鼠按随机数字表分为正常组、模型组、六味地黄丸组。模型组与六味地黄丸组大鼠用50%甘油生理盐水肌注,建立急性肾损伤大鼠模型。正常组大鼠使用等剂量生理盐水肌肉注射。造模结束后,模型组及正常组给予生理盐水灌胃,六味地黄丸组给予六味地黄丸混悬液灌胃。治疗3d后检测各组血清BUN、Scr,尿NAG、β2-MG及尿渗量,并进行肾脏组织形态学观察。结果六味地黄丸组大鼠血清BUN、Scr、尿NAG酶、β2-MG较模型组明显下降,而尿渗量升高,肾脏病理改变好转,差异有统计学意义(P0.05)。结论六味地黄丸能减轻急性肾损伤大鼠肾脏病理改变,能降低BUN、Scr及尿NAG酶水平,具有肾脏保护作用。     

六味地黄丸对OLETF大鼠胰腺凋亡相关基因bcl-2和Bax表达的影响

目的:探讨六味地黄丸对自发性2型糖尿病大鼠胰腺组织凋亡相关基因bcl-2和Bax表达的影响.方法:OLETF大鼠(自发性2型糖尿病)40只,随机分为六味地黄丸治疗组和模型组,每组20只;另同系LETO大鼠(非糖尿病)10只作为正常对照组.六味地黄丸治疗组于大鼠8周龄起,用六味地黄丸按2.4 g·kg-1·d-1灌胃,余组用等量蒸馏水灌胃.每周记录大鼠体质量;采用口服葡萄糖耐量试验监测血糖;定期处死大鼠,分离胰腺并称重;采用逆转录-聚合酶链反应检测bcl-2和Bax在胰腺组织中的表达.结果:大鼠40周龄时,六味地黄丸治疗组bcl-2 mRNA的表达水平为(1.25±0.07),较模型组(1.01±0.16)明显增高(P<0.01);Bax mRNA的表达水平为(0.57±0.11),较模型组(1.18±0.28)有明显降低(P<0.01).六味地黄丸治疗组的胰腺/体重比,较模型组增高,但差异无统计学意义.六味地黄丸治疗组的糖负荷能力明显高于模型组(P<0.05或P<0.01).结论:六味地黄丸在转录水平可上调bcl-2 mRNA的表达,下调Bax mRNA的表达,可能具有抗细胞凋亡的作用.     

Effects of Liuwei Dihuang Pills on Lipid Metabolism and Liver Function of Rat Models of Hyperlipemia

目的 观察六味地黄丸对高血脂模型大鼠脂代谢和肝功能的影响. 方法 通过喂养高脂饲料建立高血脂大鼠模型,适模成功后灌胃六味地黄丸混悬液,测定血清中总胆固醇(TC)、甘油三酯(TG)、低密度脂蛋白(LDL-c)和高密度脂蛋白(HDL-c)的含量,并测定血清谷丙转氨酶(ALT)、谷草转氨酶(AST)和谷氨酰转肽酶(GPT)活力. 结果 六味地黄丸组大鼠血清LDL-c比模型组明显降低,而TC、TG和HDL-c差别不显著;六味地黄丸组大鼠血清ALT活力比模型组明显降低,而AST、AST/ALT和GPT差别不显著. 结论 六味地黄丸能降低高血脂模型大鼠血清LDL-c水平和血清ALT活力,具有调脂和保肝的作用.     

六味地黄丸含药血清调控黑色素瘤B16细胞株缝隙连接蛋白表达的作用

[目的] 观察六味地黄丸含药血清调控小鼠黑色素瘤B16细胞株缝隙连接蛋白(Cx)表达的作用.[方法]采用SD大鼠灌胃8 d制备六味地黄丸含药血清(药物荆量为32 g·kg-1·d-1)和对照血清(灌胃等容积生理盐水);选择对B16细胞生长和形态影响不大的血清浓度 (体积分数为10%) 作为大鼠血清的工作浓度;采用Western blot技术和间接免疫荧光法及流式荧光法检测六味地黄丸含药血清对黑色素瘤B16细胞株缝隙连接蛋白(Cx26/30/32)表达的影响.[结果]Westem blot检测显示空白组 (无鼠血清) 3种Cx几乎不表达,而对照血清和六味地黄丸各浓度含药血清均能提高Cx蛋白的表达,但含药血清的作用更为明显且有显著的量效关系;间接免疫荧光法和流式荧光法检测显示类似的结果:对照血清组和中、高剂量含药血清组的Cx蛋白荧光强度均较空白组显著增加(P<0.01),但与对照血清组比较,只有高剂量含药血清组荧光强度显著增加(P<0.05),低剂量舍药血清组Cx蛋白表达反而下降(P<0.01).[结论]六味地黄丸含药血清具有调控小鼠黑色素瘤B16细胞株缝隙连接蛋白表达的作用.     

HPLC法测定杞菊地黄丸中马钱苷、芍药苷和丹皮酚的含量

目的:建立一种准确、实用的方法用于杞菊地黄丸中马钱苷、芍药苷和丹皮酚含量的同时测定。方法:应用高效液相色谱法测定,分离条件为Zorbax SB-C18柱(4.6 mm×250 mm,5μm),乙腈-0.05%磷酸流动相梯度洗脱,流速1.0 mL/min,柱温22℃,检测波长为236 nm(0-8 min);230 nm(8-12 min)和274 nm(12-19 min)。结果:马钱苷、芍药苷和丹皮酚线性范围分别为1.90-22.8μg/mL(r=0.999 7),1.68-20.2μg/mL(r=0.999 7)和5.380-64.56μg/mL(r=0.999 5),平均加样回收率分别为99.79%(RSD=0.44%),100.65%(RSD=1.18%)和98.49%(RSD=2.92%)。结论:本法简便,快速,可靠,可用于控制制剂质量。     

六味地黄丸对糖尿病肾病大鼠的影响

目的 观察六味地黄丸对糖尿病肾病(diabetic nephropathy,DN)大鼠的影响.方法 50只大鼠随机分为正常对照组(NG)、模型组(MG)、六味地黄丸高剂量治疗组(HG)、六味地黄丸低剂量治疗组(LG)、缬沙坦治疗组(AG),每组10只.HG、LG分别给予8 g/kg·d、2 g/kg·d六味地黄丸等体积混悬液进行灌饲;AG给予缬沙坦40 mg/kg·d灌胃;NG和MG给予等体积生理盐水灌胃.给药体积均为2 ml/200 g.检测24h尿蛋白定量(24 hupq)、尿β2-微球蛋白(β2MG)、尿白蛋白(ALB)、尿免疫球蛋白G(IgG)、血糖、血肌酐(Ser)、血尿素氮(Bun)、血浆白蛋白(ALB)、甘油三酯(TG)及总胆固醇(CHOL);光镜检测组织病理变化;电镜下检测超微结构变化.结果 六味地黄丸能降低DN大鼠血糖、TG、CHOL,减轻DN大鼠病理损伤,降低DN大鼠蛋白尿.结论 六味地黄丸对DN大鼠具有一定治疗作用.     

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.     

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…     

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.     

Development on Adjustable Calibration Marker for Shock Wave Focus

Shock wave lithotripsy （SWL） is a treatment of choice for upper urinary stones. However, this procedure is inappropriate for obese patients because the focus is often unable to reach the target owing to the limited focal distance in shock wave source. Although treating such patients in a blast path may increase the application length of shock wave source, it＇s difficult to find this path on the lithotripter monitor. For this reason, we invented an adjustable calibration marker in order to set an effective focus in the shock wave hath.     

Study on the TCM Pathogenesis of Angiopathic Complications of Type II Diabetes

Excess production of reactive oxygen species(ROS)of mitochondrion mediated by hyperglycemia is the common pathogenesis of angiopathic complications of diabetes.TCM holds that the damp from the dysfunction of spleen.kidney and liver is the causative factor of complications of diabetes.This is similar to the mechanism of Ros resulting in angiopathic complications of diabetes.When the angiopathic complications of type II diabetes mellitus(T2DM)are difierentiated as caused by turbid damp in TCM can be explained as ROS.Since the obstruction of pathogenic damp in channels and collaterals is said to be the main pathogenesis,the treating principle should be dissolving the damp to remove the obstruction.     

Leptin, Ghrelin and TNF-α before and after Hypo-caloric Traditional Chinese Diet and Auricular Acupuncture

INTRODUCTION Obesity is a complex emergent problem, which can be possibly solved not only by the diet but also by the life style and promotion of a constant physical exercise. 1, 2 No doubt careful attentions must be given to the nutritional condition of obese people, the dietary habits, the somatic build (i.e. distribution of fat mass) and the organic functions linked to formation of the fat mass. All the parameters should be constantly monitored before, during and after a diet treatment. 3, 4, 5     

Relationship between Dysglycemia and Carotid Atherosclerosis in Tibetan Population

People with dysglycemia are at high risk for atherosclerotic diseases. This study aims at investigating the atherosclerotic vascular damage in dysglycemia and its metabolic origin in Tibetan population.     

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.