周质的

Then we transfected transitorily the recombinant of green fluorescent protein gene and middle molecular weight neurofilament cDNA into wide type N2a (N2a/wt) and N2a/tau40 to observe the effect of tau accumulation on GFP-NFM fusion protein transport in cellular processes in living cells. At last we used an apoptotic inducer, camptothecin (an inhibitor of topoisomerase-1) to treat N2a/wt and N2a/tau40 cell lines, and compared their apoptotic response.

主要结果如下：一、tau蛋白过度表达和聚积对细胞形态的影响：倒置显微镜下观察两种细胞的形态，发现N2a/wt细胞的突起多而长，而N2a/tau40细胞胞体变圆，突起明显缩短；免疫印迹结果显示转染了tau40的细胞内tau的免疫反应约增加14倍，免疫荧光结果显示N2a/tau40细胞胞体内呈现出较强的红色荧光，tau主要分布在核周和突起起始部分的胞质内，而N2a/wt细胞内的荧光很弱。

The results by invert embedding TEM showed that higher invasive CCL229cells had vast of ER,which distributed throughout cytosol especially largeamount of vesicle-like and flatten cisternal rER in pseudopodia or cell processesand membranous flow-like structure from perinuclear region to pseudopodia,and less Golgi complex.

倒置包埋法常规透射电镜对人大肠癌细胞的超微结构观察结果显示，高侵袭力的CCL229细胞中内质网数量较多并呈全细胞分布，尤其在细胞伸出的众多伪足中含有丰富的小泡状和扁平囊样粗面ER结构，而且观察到由小泡形成的&膜流样&结构从核周一直深入到伪足中，但细胞中高尔基器少见。

The cleavation rates and blastocyst development rates of cloned embryos were used to assess the efficiency of different operational procedure. Finally, the best combination of operational procedure, that the spindle-viewer system was used for oocytes enucleating, and donor cell was electrofused into ooplasm by electrical pulse (1.9 kV/cm, 10 ms, two) to reconstruct bovine cloned embryos.

以核移植胚胎的卵裂率、囊胚发育率作为检测指标，对不同的方法所获得的克隆胚胎的卵分裂率与囊胚发育率进行比较，最后筛选获得1个优化的牛体细胞核移植操作程序，即采用Spindle view系统对牛卵母细胞进行去核操作，将供核体细胞注射到卵周隙，然后通过电融合法将供体核引入去核卵细胞质(电融合参数为1.9 kV/cm，脉冲时程10 ms，方波2次间隔2 s)。

The mice inoculated with Coxiella burnetii intrana- sally developed interstitial pneumonia,while the primary pathological changes of mice inoculated intraperitoneally are granulomas in spleen and liver.2.The pathological changes became more severe followed the dosage increasing.3.Coxiella burnetii can be detected in spleen and liver at day 2 after inoculation.the lesion became more and more serious from day 2 to day 12.The characteristic changes were observed at day 7,and recovered at day 14. 4.The reticuloendothelial system are main target of Coxiella burnetii.The pathogen was detected in cytoplasm of monocyte -macrophages of spleen, liver, lung, and endothelioid cells of blood vessel. 5. Coxiella burnetii can be found in macrophages lysosomes by electron microscopy. Most of them are round or rod, and polymorphic shape can also be observed in different size.

结果：1、通过不同感染途径的实验证实，滴鼻感染的小鼠主要表现为间质性肺炎，而腹腔注射感染小鼠则以脾脏、肝脏肉芽肿为主要病变。2、通过不同剂量的感染实验发现，随着感染Q热立克次体剂量的加大，动物病变愈加严重。3、通过感染后不同时间的动态病理学观察发现，在腹腔注射后第2d的脾和肝脏即可发现病原体，主要脏器的病理变化从第2d到第12d逐渐加重，第7d动物的病变最典型，至感染后14d动物的受损器官已开始出现修复性变化。4、 Q热立克次体主要侵害机体的网状内皮系统，在感染小鼠的肝、脾、肺和外周血管单核巨噬细胞以及血管内皮细胞胞浆中查见病原体。5、透射电镜观察可见Q热立克次体主要位于巨噬细胞吞噬溶酶体内，呈多形性，多见圆形和杆状，大小不一。

Results The expression of the Mahoganoid protein and its mRNA was showed by brown staining and observed in the Leydig cells, spermatogonia, primary spermatocytes, spermatids, Sertoli cells, and peritubular myoid cells of testicular tissues and principal cells, basic cells and epithelial cells of epididymal tissues.

结果1。免疫组化法检测Mahoganoid蛋白的实验结果显示的棕色阳性信号可见于各天龄段大鼠睾丸的生精细胞、支持细胞、间质细胞和管周肌样细胞以及附睾输出管的高柱状、低柱状上皮细胞和附睾管的上皮细胞、主细胞、基细胞。其中Mahoganoid蛋白主要表达于胞膜和胞浆。

These results can lead to the following conclusion:〤GRP synthesized by the motoneurons may be a self-serving neurotrophic factor after axotomy.(2) CGRP may serve as a "injury signal" activating both the central and peripherical gli

本研究结果提示，运动神经轴突损伤后，运动神经元合成分泌的CGRP对神经元自身具有直接的神经营养作用，CGRP还可以作为损伤神经元分泌的&损伤信号&激活中枢和外周胶质细胞，从而为运动神经元的存活和轴突再生创造有利的微环境。

Optical control of the primary step of photoisomerization of the retinal molecule in bacteriorhodopsin from the all-trans to the 13-cis state was demonstrated under weak field conditions (where only 1 of 300 retinal molecules absorbs a photon during the excitation cycle) that are relevant to understanding biological processes.

在弱场条件下（整个兴奋周期中，300个视黄醛分子中只有一个吸收光子），细菌视紫红质中视黄醛分子的从全反式到13－顺式状态的光致异构化的最初阶段的光学控制被阐明，这与生物学过程的理解有关。

The immunohistochemical location of noncollagenous protein, bone sialoprotein , osteopontin and osteocalcin at different stages following periradicular surgery was undertaken. The crystals formation on surfaces of MTA was evaluated when treated in different conditions without cells in vitro and in vivo. MTA was used to manage clinical problems, including perforations in roots or furcations, and pulpless permanent teeth with incomplete root formation. The study included the following three parts

本研究试图通过体内外研究探讨MTA表面牙骨质形成的机理，动物体内动态观察根尖周组织在用MTA倒充填后的组织反应和细胞外基质非胶原蛋白的表达，体外观察MTA在不同的环境下表面的形态及成分变化，和在体内环境下材料表面磷灰石层的形成，同时结合临床病例观察其临床治疗效果。

METHODS:The gene of human ET1 was synthesized according to the preferential codons of E. coli, cloned into the EcoRI and SalI sites of vector pThioHisA. The recombinant plasmid pThioHisA-ET1 was constructed , sequenced and transformed into E.coli TOP10. Induced and expressed fusion protein were identified and analysed by 12% SDS-PAGE and densitometry analyses. After the elution, denature and renature, the fusion protein Thioredoxin-ET1 was obtained by ProBondTM chromatogragraphy. The purity of Thioredoxin-ET1 was detected by HPLC. Inoculate Thioredoxin-ET1 once per mouse every 2 weeks in 25, 50 and 100μg separately on 3 groups for 4 times. 10 days after last inoculation, we obtained venipuncture blood.

根据人ET1的多肽序列合成ET1基因，将其插入到pThioHisA的EcoRI和 SalI位点，重组质粒pThioHisA-ET1进行酶切鉴定及序列测定验证后转化TOP10，IPTG诱导的重组菌经SDS-PAGE检测融合蛋白Thioredoxin-ET1的表达量；表达的融合蛋白用ProBond亲合层析纯化并经HPLC鉴测其纯度；每只小鼠按25、50、100ug/次剂量的Thioredoxin-ET1每两周免疫一次，共4次，最后一次免疫10d后制备抗血清，经Western blot和ELISA检测证明Thioredoxin-ET1融合蛋白具有ET1免疫反应原性。

Results On conventional CT, pulmonary window revealed widespread intraalveolar calcifications of both lungs concentrating in the subpleural parenchyma of the middle and lower lobes.

结果常规CT表现：肺窗示肺实质内有无数细小散在的粟粒结节，以中下肺的外周部密集，其CT值为200～400HU，多合并不同程度的肺气肿及间质纤维化；纵隔窗示细结节影最密集区常呈沿胸膜的线带状或散在的点簇状钙化，形成&火焰征&及&白描征&。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。