肉苁蓉苯乙醇苷对大鼠高原肺水肿的防治作用

目的：探讨健脾益肠散对溃疡性结肠炎（UC）大鼠髓样分化因子88（MyD88）的影响。方法：将60只大鼠随机分为正常组、模型组、柳氮磺吡啶组（0.3 g·kg^-1）及健脾益肠散高（204 g·kg^-1）、中（136 g·kg^-1）、低剂量（68 g·kg^-1）组,每组10只;除正常组外,其余均采用2,4,6-三硝基苯磺酸（TNBS）/乙醇法复制UC大鼠模型;灌胃给药21 d后,用ELISA、免疫组化、Western blot及RT-PCR法检测各组大鼠血清MyD88含量和结肠组织MyD88的表达。结果：模型组大鼠血清MyD88水平及结肠组织MyD88蛋白和mRNA表达均明显高于正常组（P<0.01）;健脾益肠散高、中剂量组血清MyD88含量和结肠MyD88蛋白及mRNA表达均较模型组降低,差异有统计学意义（P<0.05或P<0.01）;健脾益肠散低剂量组MyD88蛋白表达亦低于模型组（P<0.05）;健脾益肠散高剂量组对MyD88的影响与柳氮磺吡啶组比较差异不显著,但明显优于低剂量组（P<0.05）。结论：健脾益肠散对UC肠黏膜免疫的保护作用可能与降低外周血MyD88水平及结肠组织MyD88的蛋白和基因表达有关。     

二冬膏的处方组成研究

目的：确定二冬膏最佳处方组成。方法：以二冬膏多糖得率作为考察指标,采用方差分析法,以麦冬（A）、天冬（B）的产地作为因素。结果：AB因素对多糖含量的影响具有垦著影响。结论：最佳处方组成为A1B1。     

四君子汤预处理抗氧化改善梗塞大鼠心功能的实验研究

目的 探讨四君子汤预处理对大鼠急性心肌梗塞后心功能的影响及其相关机制.方法 在四君子汤预处理基础上,结扎雄性大鼠左冠状动脉,复制心肌梗塞模型,分为四君子汤高、低剂量组,另设阳性对照预处理组、模型组、假手术组.术后2d检测大鼠心功能、心肌肥厚指数以及心肌组织谷胱甘肽过氧化物酶(GSH-Px)和过氧化氢酶(CAT)活性.结果 模型组心功能、GSH-Px和CAT活性较其他各组均降低,心肌肥厚指数增加,四君子汤高剂量组及阳性对照组可以明显改善梗塞后心功能、提高GSH-Px和CAT活性,降低心肌肥厚指数,与模型组比较具有显著意义.结论 四君子汤具有改善梗塞后心功能,减缓心肌重构的作用,其机制可能与其抗氧化作用有关.     

Electroacupuncture at “Zusanli(ST36)” alleviates 5-fluorouracil-induced renal injury in colorectal cancer-bearing mice by exerting effects on oxidative stress,inflammatory responses,and cell apoptosis: 电针“足三里”减轻大肠癌荷瘤小鼠5-FU化疗后肾损伤及其氧化应激、炎症反应和细胞凋亡的研究

ObjectiveTo observe the effect of electroacupuncture at “Zusanli (ST36)” on 5-fluorouracil (5-FU)-induced renal injury in colorectal cancer-bearing mice, and to further investigate its effects on oxidative stress, inflammatory responses, and cell apoptosis in mouse renal tissue.MethodsThirty-five male BALB/c mice were randomly divided into five groups of seven mice each, namely the control, CT26, 5-FU, sham point (SP), and ST36 (which received EA at the “ST36”) groups. With the exception of the control group, each group was subjected to establishment of a subcutaneous implantation tumor model using the murine CT26 colorectal cancer cell line. Once the models were successfully established, the 5-FU, SP, and ST36 groups received 5-FU injection solution intraperitoneally at a dose of 5 mg/mL once every three days over a 21-day period. Mice in the SP and ST36 groups additionally received an EA intervention after each intraperitoneal 5-FU injection. EA were performed on mice of the SP group at bilateral sham acupoints and on mice of the ST36 group at the bilateral “ST36” using the continuous wave mode at a frequency of 2 Hz for a duration of 5 min, intervention was administered once every two days for a duration of 21 days. Samples were collected from the mice at the end of the experiment. The pathological morphology of the renal tissue was observed using hematoxylin and eosin (HE) staining; the contents of creatine (Cre), blood urea nitrogen (BUN) and malondialdehyde (MDA), and superoxide dismutase (SOD) activity were measured using biochemical assays; the expression and nuclear translocation of nuclear factor kappa B p65 subunit (NF-κB p65) were measured by immunofluorescence; the expression levels of tumor necrosis factor alpha (TNF-α), interleukin-6 (IL-6), and interleukin-1β (IL-1β) in serum were measured by ELISA; cell apoptosis in renal tissue was detected using the TUNEL assay; and the expression levels of the anti-B-cell lymphoma/leukemia 2 (Bcl-2), Bcl-2-associated X protein (Bax), cleaved caspase-3, cleaved caspase-9, and cytochrome C (cyt c) in renal tissue were measured by Western blotting.ResultsCompared with the control group, mice of the CT26 group showed a significant increase in serum Cre content (P<0.01), but the difference in BUN content was not statistically significant (P>0.05). HE staining of renal tissue revealed clear structures with normal glomerular and renal tubular morphology. SOD activity was decreased (P<0.01); MDA content was increased, but the increase was not statistically significant (P>0.05). Differences in NF-κB p65 protein expression in the cytoplasm of renal tissue and serum levels of TNF-α, IL-6, and IL-1β were not statistically significant (all P>0.05). Results of immunofluorescent TUNEL staining indicated an absence of significant cell apoptosis. In the renal tissue, Bcl-2 protein expression was slightly increased (P<0.05), and the expression levels of Bax (P<0.01), cleaved caspase-3 (P>0.05), cleaved caspase-9 (P<0.01), and cyt c (P>0.05) were increased. Compared with the CT26 group, mice of the 5-FU group exhibited an increase in Cre (P<0.01) and BUN (P<0.05) content. HE staining of renal tissue revealed the presence of glomerular atrophy and dilated Bowman's capsular spaces. SOD activity was significantly decreased (P<0.01), while the increase of MDA content was not significant (P>0.05). The expression of NF-κB p65 in the nucleus and serum TNF-α, IL-6, and IL-1β levels showed significant increases (P<0.05). The cell apoptosis level was significantly increased. The protein expression of Bcl-2 (P<0.05), Bax (P<0.01), cleaved caspase-9 (P<0.01), and cyt c (P<0.05) was significantly increased. Compared with the 5-FU group, the ST36 group showed decreased serum Cre and BUN levels (both P<0.01). HE staining of renal tissue showed less renal tissue injury and less dilation of renal capsular cavities. SOD activity was significantly higher (P<0.01), while MDA content was lower (P<0.05). Nuclear expression of NF-κB p65 and serum TNF-α (P<0.05), IL-6 (P<0.05), and IL-1β (P<0.01) levels were lower. The cell apoptosis level was decreased relative to the 5-FU group. Bcl-2 protein expression was significantly increased (P<0.01), while the protein expression levels of Bax (P<0.01), cleaved caspase-3 (P<0.01), cleaved caspase-9 (P<0.01), and cyt c (P<0.05) also were reduced.ConclusionEA at “ST36” attenuated 5-FU-induced renal injury in colorectal cancer-bearing mice. The mechanism may be related to the regulation of renal oxidative stress, alleviation of inflammatory responses, and inhibition of cell apoptosis.     

泻心汤有效成分的含量测定及其体外抗菌作用研究

目的考察用合煎、分煎方法制备的泻心汤中游离大黄酸、大黄素、大黄酚、大黄素甲醚含量的变化,并比较其体外抗菌作用。方法1.建立高效液相色谱方法,对泻心汤合煎液、分煎液样品中游离大黄酸、大黄素、大黄酚、大黄素甲醚的含量进行测定。2.采用稀释法体外测试泻心汤不同煎液对常见菌种的最低抑菌浓度(MIC)和最低杀菌浓度(MBC)。结果1.合煎液中有效成分的平均含量显著高于分煎液中的平均含量2.合煎液和分煎液对黑曲霉菌、大肠杆菌的抑菌作用有差异,但二者对金黄色葡萄球菌、白色葡萄球菌、乙型溶血性链球菌的抑制作用无明显差异。结论与分煎液比较,合煎液中游离蒽醌类成分的含量较高;合煎液对黑曲霉菌抑菌作用强,而对大肠杆菌的抑菌作用分煎液更强     

脉冲释药系统及其在中药制剂中的应用探讨

简要介绍了脉冲释药系统的特点、制备技术及脉冲释药的现有剂型,并对在中药研究中的应用前景作了探讨。     

心脑康胶囊质量标准的研究

目的制定心脑康胶囊的质量控制方法。方法采用薄层色谱法对处方中的丹参、枸杞子、甘草、川芎、牛膝进行定性鉴别,采用高效液相色谱对赤芍的芍药苷进行含量测定。结果芍药苷在0.154 5~1.236μg范围线性关系良好,r=0.999 9,平均回收率为99.97%,RSD为2.0%。结论该方法能准确可靠地进行定性定量检测及有效地控制制剂的质量。     

正交实验优选一贯煎的处方组威

目的：确定一贯煎最佳处方组成。方法：采用正交设计法,以麦冬（A）、当归（B）和枸杞子（C）作为因素。结果：A因素和B因素对多糖含量的影响具有显著意义,C因素的影响不大。结论：最佳处方组成为A1B2C2。     

三维重建技术在中医手法闭合复位中的应用及价值

目的：使用基于CT及MRI图像的三维重建技术对脱位或骨折部位进行三维重建,并根据重建后图像使用中医传统闭合复位手法进行复位,从而减少损伤、减少并发症。方法：使用VolView软件平台对获取的CT／MRI连续片断数据进行三维重建,通过调节图像Alpha通道的阈值实现图像的半透明化,根据图像灰度值进行渲染着色将血管、神经等组织从周围其它组织图像中进行分离。结果：通过这种方法进行三维重建后的图像可以很好地将踝关节血管、神经等重要组织标示出来,能够无创伤地判断组织损伤情况。结论：研究实现了踝关节的三维重建,说明了根据此重建图像对脱位、骨折患者可以无创伤检查,在此基础上使用中医手法闭合复位可以实现准确复位。     

浅谈针灸综合实验室开放模式的建立

高校针灸综合实验室应在观念意识、时间空间、教学内容、教学方法和教学手段方面进行开放,以提高实验教学质量和科研水平,培养高素质创新人才,推进科技创新.