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migratory activity
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  迁移活性
     Adenovirus-mediated transfer of rat angiotensin Ⅱ type 2 receptor gene inhibits the migratory activity of culture renal interstitial fibroblasts
     AT2R转染表达抑制人肾间质成纤维细胞迁移活性
短句来源
     Conclusion AdCMV-AT2R can induce high level expression of AT2R in cultured hRIF, which significantly inhibits the migratory activity of hRIF. This effect can be of great value in retarding progression of renal interstitial fibrosis.
     结论 AT2R转染表达可显著抑制hRIF迁移活性 ,这对延缓肾间质纤维化是有益的
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  “migratory activity”译为未确定词的双语例句
     The appearance indicated that the strain B16-3 with high matastatic behavior in vivo has a lowergrowth rate and migratory activity in vitro than strain B16-1 with low matastatic ability in vivo.
     结果显示,高转移力的B16-3株体外增殖力和移动速率显著地低于低转移力的B16-1株(P<0.01)。
短句来源
     There was no significant difference in the number and migratory activity of EPCs between UA and SA groups( P >0. 05) , but EPCs adheresive and proliferative function was reduced in UA group compared with SA group( P < 0. 05).
     不稳定性心绞痛组较稳定性心绞痛组EPCs数量及迁移能力无差异(P>0.05),但黏附和增殖能力降低(P<0.05)。
短句来源
     STUDIES OF THE REGULARITY OF OUTBREAK OF THE ORIENTAL ARMYWORM, LEUCANIA SEPARATA WALKER Ⅱ.OBSERVATIONS ON MIGRATORY ACTIVITY OF THE MOTHS ACROSS THE CHILI GULF AND YELLOW SEA OF CHINA
     粘虫发生规律的研究——Ⅱ.中国渤海和黄海海面粘虫(Leucania separata Walker)迁飞的观察
短句来源
     OBSERVATIONS ON MIGRATORY ACTIVITY OF COTTON BOLLWORM MOTHS ACROSS THE BOHAI GULF IN CHINA
     棉铃虫一代成虫在渤海海面迁飞的考察
短句来源
     At least in the species most closely studied so far (the blackcap, Sylvia atricapilla), the attributes “migrant” or “nonmigrant” are inherited in conjunction with the characteristic amount of migratory activity (as a time program), and the former are evidently controlled by a threshold mechanism.
     至少在以往研究得最为透彻的鸟种 (黑顶林莺Sylviaatricapilla)中 ,“迁徙”或“非迁徙”是先天性的 ,与特异性迁徙活动量相关 (尤如一时间程序 ) ,前者 (迁徙的 )已证实是由一种阈机制所控制的。
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  相似匹配句对
     The activity of E.
     淀粉酶活性在50℃,pH 6.0条件下最高.
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     Entrepreneurship and R&D Activity
     企业家魄力与国有企业R&D活动
短句来源
     OBSERVATIONS ON MIGRATORY ACTIVITY OF COTTON BOLLWORM MOTHS ACROSS THE BOHAI GULF IN CHINA
     棉铃虫一代成虫在渤海海面迁飞的考察
短句来源
     Necrolytic migratory erythema
     表皮松解坏死型游走性红斑
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     The Research of Migratory-CBD
     跃移式CBD建设探讨
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  migratory activity
Blood polymorphonuclear leukocyte (PMN) migratory activity was investigated in adult rheumatoid arthritis (RA) patients and in healthy control subjects using fresh whole blood in a novel membrane filter assay.
      
Migratory activity of blood polymorphnuclear leukocytes during juvenile rheumatoid arthritis, demonstrated with a new wholeblood
      
Digestion of macrophages with chondroitinase ABC as well as chondroitinase B decreased the migratory activity.
      
Moreover, this N-cadherin driven influence on the migratory activity is intracellularly integrated via multiple signaling pathways.
      
Endorphin and leu-enkephalin, as well as histamin and acetylcholine, had no influence on the migratory activity of the cells.
      
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Three cloning cell strains of B16 melanoma with different matastatic behavior in vivowere compared with regard to their proliferative rate,multiplication time and mobility in vitro. The appearance indicated that the strain B16-3 with high matastatic behavior in vivo has a lowergrowth rate and migratory activity in vitro than strain B16-1 with low matastatic ability in vivo.

本文比较具有不同转移潜能的3个B16黑素瘤克隆株(B16-1,B16-3,B16-4)细胞体外的增殖能力和移动性。结果显示,高转移力的B16-3株体外增殖力和移动速率显著地低于低转移力的B16-1株(P<0.01)。

Studies during recent decades have shown that bird migration in general is to a great extent under direct genetic control. There is evidence indicating the existence of an innate migratory drive as well as genetic control of (i) the onset, duration and end of the migration period, (ii) the amount of migratory activity, a genetically prescribed parameter that determines the distance over which the bird flies, (iii) the migration directions and (iv) physiological parameters, in particular fat deposition...

Studies during recent decades have shown that bird migration in general is to a great extent under direct genetic control. There is evidence indicating the existence of an innate migratory drive as well as genetic control of (i) the onset, duration and end of the migration period, (ii) the amount of migratory activity, a genetically prescribed parameter that determines the distance over which the bird flies, (iii) the migration directions and (iv) physiological parameters, in particular fat deposition during the migratory period, but also those determining which individuals will migrate and which will not in forms that are obligatorily partial migrants. A two way selection experiment has shown that within only a few generations partial migrants can be converted by selection into pure migrants or nonmigrants. Selection for a new migration direction, leading to new winter quarters, can occur equally rapidly in free living birds. At least in the species most closely studied so far (the blackcap, Sylvia atricapilla), the attributes “migrant” or “nonmigrant” are inherited in conjunction with the characteristic amount of migratory activity (as a time program), and the former are evidently controlled by a threshold mechanism. A new bird migration theory postulates that even in forms that at present are exclusively migratory, selection for lower levels of migratory activity can cause a threshold to be crossed, below which nonmigrants appear. Accordingly, conversion of a population from migratory to nonmigratory can occur by selection with a transition through partial migration. This intermediate stage is prevalent among the recent bird species; it appeared early in the evolution of organisms and in the case of birds was probably acquired from ancestral, pre avian forms. Model calculations indicate that with strictly directed selection, migratory birds can be converted to sedentary in about 40 years and conversely. This explains the changes in migratory behaviour currently observable in so many bird species in the course of global warming; in particular, migratoriness is decreasing in various respects at higher latitudes. The new theory also enables us to predict the ways in which avifaunas are likely to be restructured if warming continues; these scenarios are briefly outlined.

最近几十年的研究证实 ,鸟类迁徙在很大程度上受到遗传因素的直接控制。有证据表明 ,存在某种先天的迁徙动因并涉及以下几方面的遗传调控 :(1)迁徙过程的起始、持续以及结束 ;(2 )迁徙活动量 ,即决定鸟类飞行距离的遗传参数 ;(3)迁徙方向 ;(4)生理参数 ,特别是迁徙期间的脂肪贮存 ,以及对于那些部分个体迁徙的鸟种而言 ,决定个体迁徙与否的生理参数。双因素选择实验表明 ,部分迁徙群经由几个世代的选择即可转变成完全的迁徙群或非迁徙群。新迁徙方向以及由此导致的新越冬区的改变 ,也能在野生鸟类中迅速实现。至少在以往研究得最为透彻的鸟种 (黑顶林莺Sylviaatricapilla)中 ,“迁徙”或“非迁徙”是先天性的 ,与特异性迁徙活动量相关 (尤如一时间程序 ) ,前者 (迁徙的 )已证实是由一种阈机制所控制的。一项新的鸟类迁徙理论假设 ,即使好些完全迁徙的类群 ,较低水平的迁徙活动量选择也会导致阈的异位 ,低于这一阈值就会出现非迁徙个体。因此 ,通过选择作用 ,一个迁徙型种群可以通过部分迁徙型转变为非迁徙型。这种中间阶段在现存鸟类中十分普遍。它始见于生物演化早期 ,就鸟类而言 ,可能在原始鸟类就已具备。模型...

最近几十年的研究证实 ,鸟类迁徙在很大程度上受到遗传因素的直接控制。有证据表明 ,存在某种先天的迁徙动因并涉及以下几方面的遗传调控 :(1)迁徙过程的起始、持续以及结束 ;(2 )迁徙活动量 ,即决定鸟类飞行距离的遗传参数 ;(3)迁徙方向 ;(4)生理参数 ,特别是迁徙期间的脂肪贮存 ,以及对于那些部分个体迁徙的鸟种而言 ,决定个体迁徙与否的生理参数。双因素选择实验表明 ,部分迁徙群经由几个世代的选择即可转变成完全的迁徙群或非迁徙群。新迁徙方向以及由此导致的新越冬区的改变 ,也能在野生鸟类中迅速实现。至少在以往研究得最为透彻的鸟种 (黑顶林莺Sylviaatricapilla)中 ,“迁徙”或“非迁徙”是先天性的 ,与特异性迁徙活动量相关 (尤如一时间程序 ) ,前者 (迁徙的 )已证实是由一种阈机制所控制的。一项新的鸟类迁徙理论假设 ,即使好些完全迁徙的类群 ,较低水平的迁徙活动量选择也会导致阈的异位 ,低于这一阈值就会出现非迁徙个体。因此 ,通过选择作用 ,一个迁徙型种群可以通过部分迁徙型转变为非迁徙型。这种中间阶段在现存鸟类中十分普遍。它始见于生物演化早期 ,就鸟类而言 ,可能在原始鸟类就已具备。模型运算表明 ,在施以强定向选择情况下 ,迁徙鸟类经过约 4 0年可转变为留鸟 ,反之亦然。这就解

Objective To study the effects on the migration of human renal interstitial fibroblasts (hRIF) after transfer of angiotensin Ⅱ (AngⅡ) type 2 receptor (AT2R). Methods The recombinant adenoviral vector containing rat AT2R receptor gene (AdCMV-AT2R) was constructed by homologous recombination, and it was used to transfer AT2 receptor gene to hRIF in vitro . The rate of AT2R expression was analysed by flow cytometry .The expression of AT2R mRNA was measured by RT-PCR. The modified Boyden's chamber method...

Objective To study the effects on the migration of human renal interstitial fibroblasts (hRIF) after transfer of angiotensin Ⅱ (AngⅡ) type 2 receptor (AT2R). Methods The recombinant adenoviral vector containing rat AT2R receptor gene (AdCMV-AT2R) was constructed by homologous recombination, and it was used to transfer AT2 receptor gene to hRIF in vitro . The rate of AT2R expression was analysed by flow cytometry .The expression of AT2R mRNA was measured by RT-PCR. The modified Boyden's chamber method was used to test the migration of hRIF. The re-organization of F-actin in hRIF was analyzed by laser confocal microscopy. Results RT-PCR showed that the expression of AT2R mRNA significantly increased in transferred hRIF and the peak expression rate was 90 6%. The highest inhibited ratio of the number of hRIF migration was up to 62 2% ( P <0 01). The expression of F-actin was significantly inhibited. Conclusion AdCMV-AT2R can induce high level expression of AT2R in cultured hRIF, which significantly inhibits the migratory activity of hRIF. This effect can be of great value in retarding progression of renal interstitial fibrosis.

目的 探讨血管紧张素Ⅱ (AngⅡ ) 2型受体 (AT2R)基因表达对人肾间质成纤维细胞 (hRIF)迁移活性的影响。方法 构建带AT2R基因的重组复制型腺病毒载体 (AdCMV -AT2R) ,转染培养的hRIF ,用流式细胞仪检测AT2R细胞表达率 ,RT -PCR方法检测AT2RmRNA表达。用改良Boyden’s趋化小室和激光共聚焦显微镜检测hRIF迁移活性。结果 构建的AdCMV -AT2R转染培养hRIF表达率为 90 6%。改良Boyden’s趋化小室检测表明 ,迁移细胞数抑制比例最高可达 62 2 % (P <0 0 1) ,激光共聚焦显微镜检测表明 ,转染组F -actin表达明显受抑制。结论 AT2R转染表达可显著抑制hRIF迁移活性 ,这对延缓肾间质纤维化是有益的

 
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