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So we suggest that the VP2 gene of PPV is not statable for expression in yeast system, or elsewise the expression level of VP2 protein is too low to be detected.

所以我们初步推测SY-99株VP2基因中存在不适于在酵母体系表达的某种元件，抑或表达量过低而难于检测。

Simmer. Results: Immunohistochemistry showed that the temporal and spatial expression patterns of AMELX, AMBN and ENAM in ameloblasts and enamel matrix were different. With the mineralization of enamel matrix, expression of AMELX decreased, but it weakly expressed in adjacent bone.

结果：免疫组化结果显示，三种蛋白在三种小鼠牙胚的成釉细胞、釉质、牙本质中的表达存在时空顺序差异，随着牙胚发育和釉质成熟，AMELX呈递减表达，而AMBN和ENAM则较恒定表达。

CB expression has close correlation with invasion of gastric carcinoma.The increased CB expression of vascular endotheliocyte may be helpful to the invasion and growth of tumor.

CB的表达增高与胃癌的浸润有密切关系，血管内皮细胞表达CB增多可能是促进肿瘤浸润生长的机制之一。

Many Brdu-positive cells and a little expression of catenin were found in gray matter and ependyma of injury area in the simple injury group 24 hours after model induction, which reached the peak at 1 week, and declined gradually at 2 weeks. Just a few Brdu-positive cells and little expression of catenin existed at 4 weeks.

单纯损伤组造模后24 h即可见大量Brdu阳性细胞及微量连环蛋白表达，1周时两者达到高峰，主要分布于损伤脊髓周围的灰质和室管膜区，2周后开始明显减少，4周时仅见少量Brdu阳性细胞及连环蛋白阳性表达。

It also express in the ependymal cell.2. The immune expression of AQP4 reinforce after MCAO. The relationship between the level of immune expression reinforcement of AQP-4after ischemia and the change of brain water content and ion content is parallel.

结果：1。 AQP4主要分布在脑血管周围的胶质细胞、脑室脉络丛上皮细胞、室管膜细胞的膜上；2。

Results After TBI the MRI performance is the T1WI low signal or the equisignal and the T2WI high signal.4 h after TBI,water content of brain tissue and EB content in the contusion side significantly increased,the expression of AQP-4 mRNA and the protein expression of AQP-4 in contusion marginal region began to increase.

TBI后4 h伤区脑组织含水量及EB含量开始增多，AQP-4 mRNA、AQP-4蛋白表达开始增高并逐渐上升，24 h达到高峰，随后逐渐下降，伤后72 h仍维持在较高水平(P＜0.05)。

Existing plasmids and inherited materials are used to construct expression vector pZMW which could be integrated into S. erythraea chromosome and multi-copy expression vector pZM.

本实验室利用现有的质粒和遗传材料，构建了糖多孢红霉菌染色体整合型表达载体pZMW和游离型多拷贝表达载体pZM。

Down-regulation of BCL11A expression in primary adult erythroid cells leads to robust HbF expression.

初级成人红系细胞中BCL11A的表达下调导致HbF表达增强。

Both the HepG2 cells and L-O2 cells have the expression of RhoA protein. However, the expression level of RhoA in HepG2 is much higher than that in L-O2. we also discover that the number of HepG2 cells mults more greatly with the detection of Millicell cabin than that of L-O2 cells through the hole, and that the number of HepG2 cells mults obviously and predominantly if added to RhoA excitomotor and decreases, obviously if added to RhoA antagon.

RhoA蛋白在HepG2及L-O2两株细胞中均有表达，但肝癌细胞株HepG2的表达量远远高于正常细胞株L-O2；通过Millicell小室检测，发现HepG2细胞通过细胞小室虑孔的细胞比L-O2细胞明显增多；HepG2细胞在加入RhoA激动剂后通过细胞小室虑孔的细胞显著增多；HepG2细胞在加入RhoA拮抗剂后剂通过细胞小室虑孔的细胞显著减少。

Assuming that the restoring force is the exponential function of the displacement and that the non-linearity is weak, a direct expression is adopted instead of Bouc-Wen differential model. Furthermore, a power series expression by the polynomial of the displacement is educed using Thaler's expandedness.

文中提出采用直接表示形式代替Bouc-Wen的微分模型，在弱非线性情况下，假定滞回恢复力可以表示为相对变形位移的指数形式，并进一步用泰勒展开的方法表示为简单的多项式形式。

A strange and mysterious deep sea creature.

一种奇异、神秘的深海生物。

It's a yellow rectangle .

这是黄色的长方形。