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特异性作用
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  specific effect
     Vascular endothelial growth factor (VEGF) is the only growth factor which has a specific effect on angiogenesis. The vascular endothelial cells could secrete considerate VEGF after various kinds of stimulus so as to be involved in the process of inflammation and tumorigenesis.
     血管内皮细胞生长因子(vascular endothelial growth factor,VEGF)是对血管形成具有特异性作用的重要生长因子,在各种因素刺激下血管内皮细胞均可分泌大量的VEGF,参与炎症及肿瘤的发生与发展过程。
短句来源
     AIM To observe specific effect of HA824, a new synthesized antisense oligodeoxyribonucleotide(ODN), HA824, targeting at HER 2 mRNA on HER 2 expression in SK BR 3 breast cancer cells in mRNA and protein levels.
     目的 观察HA82 4 ,这种新合成的靶向HER 2mRNA的反义寡核苷酸对SK BR 3乳癌细胞株mRNA和蛋白表达的特异性作用
短句来源
     Conclusion Targeting MR imaging with GdDTPA labeled monoclonal antibody has specific effect, and will be helpful for qualitative diagnosis of tumor.
     结论使用Gd-DT-PA-单克隆抗体进行靶向显像具有特异性作用,有助于肿瘤的定性诊断。
短句来源
  specific action
     Purines and pyrimidines have widespread and specific action in many tissues of both invertebrates and vertebrates.
     在脊椎类和无脊椎类动物的多种组织中 ,嘧啶与嘌呤类物质具有广泛的特异性作用。 这些化合物的重要生理学作用可归纳为短时程作用与长时程作用两种类型。
短句来源
     The relatively specific action of acupuncture of acupoints on the corresponding Zangfu-organ has its neurobiological material basis.
     针刺经脉穴位对相应脏腑功能活动的相对特异性作用有其相关的神经生物学物质基础 ;
短句来源
     At the same time,the cytochrome P450s involved in the metabolism of herbicides are presented and the specific action mode between cytochrome P450_(14DM) and fungicides is briefly elucidated here.
     同时,简述了细胞色素P 45014DM与杀菌剂特异性作用的机制.
短句来源
  specific acting
     These results not only show thatthe 26KD and 23-24KD polypeptides on the thylakoid surface are the specific acting sites ofthe cation that induce Call fluorescence changes in the chloroplasts from these two species ofmarine plants respectively, but also demonstrate that the mechanism of the regulating effect ofcanon on excitation energy distribution between PS-Ⅱ and PS-Ⅰ in Zostera marinachloroplast is quite different from that in Codium flagile chloroplast.
     这些实验结果不仅证明,类囊体膜表面的26KD和23-24KD多肽分别为大叶藻和刺松藻叶绿体膜中阳离子诱导激发能在PS-Ⅱ和PS-Ⅰ之间分配变化的特异性作用部位;
短句来源
     These results clearly indicated that the 26 kD polypeptide of thylakoid surface is the specific acting site of the cation that induced these two correlated phenomena in the chloroplast from Zostera marina.
     这些实验结果清楚地表明,在大叶藻的叶绿体膜中,类囊体膜表面的26 kD 多肽是阳离子诱导这两种相关现象的特异性作用部位。
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  “特异性作用”译为未确定词的双语例句
     The Specific Reaction Between the Trans-Acting Factor,CTF/NF-1 and the Related Cis-Acting Element
     HeLa细胞的反式作用因子CTF/NF-1与其顺式作用元件的特异性作用
短句来源
     The localization of Paxillin was determined by co-immunofluorescence staining after transfection with cyanine fluorescence protein tagged GIT1-RNAh (CFP-GIT1-RNAh)(experimental group) and GFP-RNAh (CFP-GFP-RNAh)(control group).
     构建包含蓝色荧光蛋白的GIT1-RNAh(CFP-GIT1-RNAh)实验组和GFP-RNAh(CFP-GFP-RNAh)(对照组),免疫荧光双染的方法检测CFP-GIT1-RNAh和CFP-GFP-RNAh对Paxillin位置的特异性作用
短句来源
     The results show that: (1) 1mV/cm (10~100Hz) weak electric field (EF) has no significant effect on proliferation and activity of succinate dehydrogenase of 6B1 cells. However, 1mV/cm (50Hz) EF significantly promotes the HBs Ab (Hepatitis B surface antibody) secretion of 6B1 cells, pointing out that EF has some distinctive effect on the outerface of 6B1 cell membrane under this condition;
     结果表明 :( 1 ) 1 m V/ cm的低频电场 ( 1 0~ 1 0 0 Hz)对 6B1细胞的增殖无明显作用 ,而 1 m V/ cm,50 Hz电场对 6B1细胞乙肝表面抗体的分泌有显著促进 ,提示在此条件下电场对 6B1细胞膜的外侧存在某种特异性作用 ;
短句来源
     Consequently, our study plans to use the human tongue cancer cell Tca8113 as the object, and to investigate the effect of HAP-Sol on it We also arranged to test the apoptosis associated factor and proliferation activity of cancer cells to discuss the mechanism deeply.
     故本研究拟采用人舌癌细胞株Tca8113为试验对象,并以成骨细胞和L929成纤维细胞做为对照,通过对增殖活性和凋亡相关因子的检测,研究HAP-Sol纳米羟基磷灰石溶胶对人舌癌细胞凋亡诱导作用研究对人舌癌在体内外的特异性作用,并探讨可能机制。
短句来源
     It is a heterodimer comprising EBI3 and p28. IL-27 is produced by activated APCs and induces proliferation of na? ve CD4+T cells and induces IFN-γproduction.
     它能特异性作用于原始CD4+T细胞,增加对原始CD4+T细胞IFN-γ的产生,促进原始T细胞的增殖,IL-27还能协同IL-12来调节原始T细胞产生IFN-γ。
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  specific effect
Specific Effect Induced by Subminute Amounts of Ascorbic Acid on the Fluctuations of Transmission Factor of Water in the Infrare
      
The specific effect of fronto-thalamic regulatory system immaturity (FRSI) was a decrease in the α-rhythm COH predominantly in neighboring left-hemispheric derivations of foci in the anterior temporal area.
      
A specific effect of substituents at the phosphorus atom on the prototropism attendant on phosphorylation of imidoyl chlorides is demonstrated.
      
Non-specific effect and side effect of ASOND were observed for instance, the greater the concentration is, the earlier the peak of inhibitory rate is reached.
      
Specific effect of the amount of dietary fat on esterase-1 (ES-1) activity of rat plasma
      
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  specific action
Numerical calculation of the current specific action integral at the electrical explosion of wires
      
3) Having an appropriate intentional agent initiate the action will be considered relatively more important than any specific action to be performed.
      
Finally,we examine how strategic manufacturing priorities can be translatedinto specific action-oriented improvement programs.
      
It is concluded that the antinociceptive effect of nicotine is due to a specific action of the alcaloid at the spinal level.
      
There did not appear to be a genome-specific action in the regulation of expression of these HSPs.
      
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  specific acting
Regarding targeted delivery, the results have relevance to (1) site-specific acting pharmaceuticals in tracheobronchial airways and (2) drugs designed for systemic delivery via deposition in alveolated airways.
      


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用两只具有巴氏小胃的成年犬,研究了针刺足三里穴对于组织胺性胃液分泌量、总酸度、游离盐酸及结合盐酸的影响。得到了如下结果: 1.针刺后胃液分泌量及总酸度的平均值既大于对照实验的平均值,又大于实验当日针刺前的平均值。针后两狗胃液分泌量平均值比对照实验的平均值分别增加44%及22%;比实验当日针前平均增加37%及58%。针后两狗胃液总酸度平均值分别高于对照实验平均值的%及11%;分别平均高于实验当日针前平均值的10%及68%。 2.针刺对于组织胺生胃液分泌量及总酸度的增加作用可持续十多天。 3.针刺使胃液中游离盐酸增多,而使结合盐酸减少。 4.针刺足三里穴皮肤表层,或夹该处皮肤作为痛刺激未能发现规律性变化,这意味着穴位不分布在皮肤表层,而位于皮肤深部组织中。作用于穴位的有效因素不是痛刺激。 5.针刺前肢相当于足三里穴位处对胃液分泌量、总酸度及游离酸的影响与针刺足三里穴位的效果相反,具有抑制性作用,表明足三里穴对胃功能的影响有特异性作用

~~

我们曾从长春屠宰场屠杀的猪体中,先后分离出猪霍乱杆菌噬菌体21株,经过研究证明,其中有4株噬菌体的阴性菌落直径在2毫米左右(暂称为中型噬菌体),有17株噬菌体的阴性菌落直径在0.5毫米左右(暂称为小型噬菌体)。经研究证明,此中型噬菌体只对沙门氏 G族中带有“Ⅵ,Ⅻ”O-抗原的细菌发生特异的裂解作用,这种特异性作用可能与 O-抗原“Ⅶ”因子有关。但对其他各族沙门氏菌和大肠-产气杆菌,不发生裂解作用。经试验证明,此中型噬菌体对猪霍乱杆菌诊断上有用。

A new oncofetal antigen on the plasma membrane of human hepatoma cells hasbeen detected and partially purified.Human hepatoma tissues obtained from partialhepatectomy were used to prepare plasma membrane by sucrose density gradientcentrifugation.The antiserum to this plasma membrane was absorbed by normalliver powder prepared from the normal portion of the liver of the same patient.Thisabsorbed antiserum gave a positive reaction with the soluble products of the hepatomacell plasma membrane in double immunodiffusion...

A new oncofetal antigen on the plasma membrane of human hepatoma cells hasbeen detected and partially purified.Human hepatoma tissues obtained from partialhepatectomy were used to prepare plasma membrane by sucrose density gradientcentrifugation.The antiserum to this plasma membrane was absorbed by normalliver powder prepared from the normal portion of the liver of the same patient.Thisabsorbed antiserum gave a positive reaction with the soluble products of the hepatomacell plasma membrane in double immunodiffusion and counter-current immuno-electrophoresis,but a negative reaction with those of the normal liver cell plasmamembrane.With the immunofluoresccent method,it is demonstrated that thisabsorbed antiserum reacts specifically with hepatoma cells and the 7402 cell line(ahuman hepatoma cell culture line).It may be surmised therefore that there is anantigen on the plasma membrane of the hepatoma cells but absent from normal livercells.Further studies indicated this membranous antigen to be of the oncofetal type.The plasma membrane of human embryonic liver(3~4 months old)also possesses thisantigen.We tried to purify this antigen from embryonic liver by means ofimmunoaffinity chromatography.A protein eluated from the column with thesedimentation coefficient of 0.33~0.45 exhibits specific affinity for antihepatomaserum.

在人肝癌细胞膜中发现了一个新的癌胚抗原,并且进行了部分纯化。从部分肝切除术取人肝癌组织,用蔗糖密度梯度超离心法分离细胞膜,以此细胞膜制备的抗血清,经患者本人正常肝粉吸收,吸收后的抗血清与肝癌细胞膜溶解物作双向免疫扩散和对流免疫电泳均呈阳性反应,而与正常肝细胞膜则均呈阴性。用免疫萤光法鉴定,证明该血清能特异性地作用于肝癌细胞膜和7402人肝癌细胞培养株的细胞膜。因此,我们认为:人肝癌细胞膜具有不存在于正常肝细胞的抗原。进一步研究证明,这种抗原也存在于3~4个月人胚胎肝细胞膜中,显示这是一种癌胚抗原。我们取人胚胎肝组织,用免疫亲和层析法尝试了这种膜抗原的纯化工作,从亲和层析柱流下的蛋白质,其沉降系数为0.33~0.45,并对上述吸收后的抗血清显示特异性的亲和力。

 
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