大白鼠尾动脉吻合实验的方法与体会

报告了960次大白鼠尾动脉吻合实验,采用端端吻合法800次,即刻通畅率96.5％,套叠吻合法160次,即刻通畅率100％。作者认为利用大白鼠尾动脉作吻合训练,具有节省动物、可多次操作、无需无菌条件、操作简单易行等优点,并介绍了操作方法和注意点。     

化瘀消癓软胶囊对子宫肌瘤模型大鼠的作用

目的：探讨化瘀消癓软胶囊对子宫肌瘤模型大鼠的作用。方法：雌性大鼠用苯甲酸雌二醇加注黄体酮复制子宫肌瘤病模大鼠，造模同时给药治疗。结果：化瘀消癓软胶囊能明显降低肌瘤大鼠血清中雌激素水平。降低模型大鼠子宫指数，改善子宫组织病理状况，同时增加凋亡指数。结论：化瘀消癓软胶囊对实验性子宫肌瘤有一定的防治作用。     

罂粟科植物Platycapnos spicata中的生物碱（＋）-南天竹宁对麻醉的血压正常大鼠的急性心血管作用[英]／Orallo F…／／Planta Med

( )-南天竹宁是一天然的阿朴啡类生物碱，作者研究了该化合物对麻醉正常血压大鼠的心血管作用。     

经安片对痛经模型动物止痛作用的影响

目的 探讨经安片对原发性痛经止痛作用的影响。方法 以经安片1：2：4的临床剂量给予大、小鼠灌胃，经皮下注射己烯雌酚提高子宫的敏感性，并于末次给药后1h腹腔注射缩宫素，分别制造实验性痛经大鼠和小鼠模型，然后观察各鼠的扭体反应潜伏期和30min内扭体次数。结果 经安片可显著延长扭体反应潜伏期，减少扭体次数。结论 经安片对原发性痛经造成的疼痛具有良好的改善作用。     

脑心通对血管性痴呆大鼠血浆、脑组织精氨酸加压素含量的影响

本研究采用改良Pulsinelli四血管阻断法（4-ves—selocclusion，4-VO）建立慢性脑缺血动物模型，观察脑心通对血管性痴呆（vascular dementia，VD）大鼠学习记忆及血浆、脑组织精氨酸加压素（arginine vasopressin，AVP）含量的影响，探索中药治疗VD的药理机制，为寻求新的VD治疗手段提供依据。     

PET/CT在评价及观察大鼠肺癌放疗效果中的应用

Objective The aim of this study was to understand the role of PET/CT in monitoring the therapeutic effect of radiotherapy (RT) on lung cancer with Wistar rats. Methods Thirty Wistar in-bred strain rats (6-8 weeks, weighed 180-280 g, female, ordinary) were made into Lewis pulmonary tumor model rats. 18F-fluorodeoxyglucose (FDG) PET/CT was performed when tumor reached 1.5-2.0 cm in greatest diameter (4-6 weeks) as a baseline. In order to get the optimal time point of PET/CT for moni-toring RT effect in rat cancer model, PET/CT was performed at the 3rd day, 1st, 2nd, 3rd, and 4th week after giving single dose of 5 Gy to each rat. Standardized uptake values (SUV) from FDG PET were measured and rats were sacrificed at different time point for validation. Besides, the expressions of glucose transport1 (Glut1) in tumor tissue were studied using immunohistochemistry. The level of tumor cell apoptosis, degra-dation, and necrosis were observed. SPSS 11.0 software was used for data analyses. Results A negative correlation of SUV uptake and time after RT and negative correlation of Glut1 expression and time after RT were observed in rat tumors, respectively. Positive correlation of SUV uptake and Glut1 expression in rat tumors was observed (Spearman rank correlation test, rs = 0.97, P < 0.01). Before RT, the SUV in rat tumor was 1.28 ± 0.31 and was decrease to 1. 00 ± 0.23 at the 3rd day and 0.18 ± 0. 10 at the 4th week after RT (F=15. 126, P<0.05). Before RT, the Glut1 in rat tumor was 0.2558 ±0.03 and was decrease to 0. 2320 ± 0. 01 at the 3rd day and 0. 1320±0.04 at the 4th week after RT. The amounts of tumor cell apopto-sis, degradation, and necrosis increased with time after RT. Conclusion Though FDG PET could monitor the therapeutic effect at the 3rd day after giving single dose of RT to rat lung tumor model, the optimal time was the the 4th week after treatment.     

大鼠大脑中动脉闭塞后丘脑钙调磷酸酶含量与活性的研究

目的 揭示大脑中动脉闭塞(MCAO)后丘脑钙调磷酸酶(CaN)的时空变化规律，探讨CaN的作用机制。方法 制备大鼠大脑中动脉永久性闭塞模型，分别测定缺血后不同时间点病灶侧丘脑CaN的活性和含量。结果 缺血后24h始丘脑CaN的含量下降且不恢复；CaN的活性在缺血后2h和4h减弱，6h始恢复至正常水平。可见，CaN的活性与含量分离。结论 大脑中动脉闭塞后丘脑CaN活性独特的时间变化规律显示其参与介导继发性丘脑损伤，可能具有毒性作用。     

复方银杏叶片对阴虚血瘀模型大鼠血液流变性的影响

用氢化可的松、肾上腺素复制阴虚血瘀模型大鼠，观察复方银杏叶片对模型大鼠血液流变性异常的影响。结果表明，该药能够降低模型大鼠的全血粘度、血浆粘度、红细胞压积沉降，提示复方银杏叶片具有改善血液流变性，调节微循环的作用。     

前列宁合剂治疗细菌性前列腺炎的实验研究

目的：探讨前列宁合剂治疗细茵性前列腺炎的机理。方法：以大肠杆菌内毒素制备大鼠细菌性前列腺炎模型，观察前列宁合剂的治疗作用。结果：前列宁合荆对细菌性前列腺炎有显著的治疗作用，可使炎症大鼠的体重增加，炎症导致的前列腺粘连、质地变硬和组织病理学改变得到改善。结论：前列宁合剂对细菌性前列腺炎确有疗效。