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uridine -triphosphate
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  “uridine 5 '-triphosphate”译为未确定词的双语例句
     Stdy on Ternary Mixed-Ligand Complexes of Palladiun(Ⅱ) with Uridine 5'-Triphosphate and Ligands Containing Oxygen and/or Nitrogen as Donor Atoms
     尿苷5'-三磷酸与含氧或氮配位原子配体的三元混配Pd(Ⅱ)配合物
短句来源
     The stability constants of the ternary copper complex of pyrido phenanthroline(pdphen) and uridine 5'-triphosphate(UTP 4- ), was determined by potentiometric pH titration in water, 30% and 50%( φ )dioxane-water (25℃, 0.1 mol/L NaClO 4).
     用pH电位滴定法研究了三元混配吡啶并 [3,2 -f][1,7]邻菲咯啉 -Cu2 + - 5′ -三磷酸尿苷 [Cu(pdphen)(UTP) 2 -]配合物在水以及 φ为 30 %、5 0 %的二氧六环 -水溶液中的稳定性 (2 5℃、0 .10 0mol/LNaClO4) .
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  相似匹配句对
     5. P.E.
     5.当前高校体育课程资源没有得到合理的开发与利用。
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     5..
     5.活性氧参与乙烯的形成。
短句来源
     The Process Research for Uridine 5'-monophosphate Separation and Purification
     5’-尿苷酸分离纯化工艺的研究
短句来源
     Enzymatic Synthesis of2'-Deoxy-5-Fluoro-Uridine
     酶法合成2'-脱氧-5-氟尿苷
短句来源
     Synthesis of 5-Fluoro-4-deoxy-β-L-uridine
     5-氟-4-脱氧-β-L-尿苷的合成
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  uridine -triphosphate
RNA synthesis was established by incorporation of [3H]-uridine5'-triphosphate (UTP) into the nuclear RNA.
      
The enzymes of the wild type and three of the four mutants exhibited positive cooperativity with the substrate uridine 5'-triphosphate (UTP).
      
The cytidine 5'-triphosphate (CTP) and deoxycytidine 5'-triphosphate (dCTP) pools in the mutants were expanded, but the uridine 5'-triphosphate (UTP) pool either decreased or remained unchanged relative to the wild-type level.
      
In the pyrimidine biosynthetic pathway, CTP synthetase catalyses the conversion of uridine 5'-triphosphate (UTP) to cytidine 5'-triphosphate (CTP).
      
The URA7 gene of Saccharomyces cerevisiae encodes CTP synthetase (EC 6.3.4.2) which catalyses the conversion of uridine 5'-triphosphate to cytidine 5'-triphosphate, the last step of the pyrimidine biosynthetic pathway.
      
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During the post-harvest ripening period of strawberry (Fragaria ananassa Duch cv. Raritan) fruit, its respiratory rate decreased gradually and only a low level of ethylene was detected for ripe fruit. This indicates that "Raritan" strawberries are non -climacteric. The total amino acid content increased with ripering whereas no methionine was detected in various stage fruits. In the first 3 days after harvest, the content of anthocyanin increased 8 -fold, and the firmness reduced 2-fold with an obuious increase...

During the post-harvest ripening period of strawberry (Fragaria ananassa Duch cv. Raritan) fruit, its respiratory rate decreased gradually and only a low level of ethylene was detected for ripe fruit. This indicates that "Raritan" strawberries are non -climacteric. The total amino acid content increased with ripering whereas no methionine was detected in various stage fruits. In the first 3 days after harvest, the content of anthocyanin increased 8 -fold, and the firmness reduced 2-fold with an obuious increase in mimbrane permeability; Cellulase activity increased 2 times with cellulose content decreasing 50%. The incorporation of 3H-uridine triphosphate or 3H-leucine into RNAs or proteins significantly rose with coloring. The mechanism of ripening in strawberry fruit was discussed.

“拉瑞特”草莓采后成熟期间,花青素快速累积,呼吸速率逐渐下降,成熟后期产生少量乙烯。虽然总游离氨基酸含量不断增加,但各成熟期果实中均未检出蛋氨酸的存在。采后三天的果实硬度下降二倍,纤维素含量减少50%,而纤维素酶活性上升二倍。标记尿嘧啶核苷酸和亮氨酸掺入RNA和蛋白质的量随成熟明显增加。本文讨论了草莓成熟变软与纤维素酶活性上升的关系以及成熟期间RNA和蛋白质代谢的变化规律。

AIM: To study the electrophysiologic effects of uridine triphosphate (UTP) on the guinea pig papillary muscles in vitro and purinoceptors related with the action of UTP. METHODS: Intracellular microelectrode method was used to record action potentials (AP) in guinea pig papillary muscles. RESULTS: UTP, adenosine triphosphate (ATP), and adenosine diphosphate (ADP) prolonged the action potential duration (APD) concentration-dependent-ly in guinea pig papillary muscles. The potency order was UTP...

AIM: To study the electrophysiologic effects of uridine triphosphate (UTP) on the guinea pig papillary muscles in vitro and purinoceptors related with the action of UTP. METHODS: Intracellular microelectrode method was used to record action potentials (AP) in guinea pig papillary muscles. RESULTS: UTP, adenosine triphosphate (ATP), and adenosine diphosphate (ADP) prolonged the action potential duration (APD) concentration-dependent-ly in guinea pig papillary muscles. The potency order was UTP = ATP > ADP. There was cross-desensitization between the response to ATP and that to UTP, and neither Ado nor α, β-MeATP caused great change in AP of (he papillary muscles. The prolongation of APD by UTP was not affected by sustained perfusion with amino-phylline. As an osmotic pressure control equivalent to UTP 3 mmol/L, ceftriaxonum 3 mmol/L or NaCl 9 mmol/L induced a marked but slight prolongation of APD. CONCLUSION: UTP produced APD prolongation through specific and nonspecific actions, and the specific response to UTP was mediated by P2Y2 purinoceptors.

目的:研究尿苷三磷酸(UTP)对豚鼠乳头状肌的电生理作用,及UIP作用的相关受体。方法:利用细胞内微电极技术记录豚鼠乳头状肌跨膜电位。结果:UTP、ATP和ADP均可浓度依赖性延长豚鼠乳头状肌动作电位时程(APD)。激动剂的效应强度序列为UTP=ATP>ADP,且UTP和ATP的作用存在交叉脱敏现象。Adenosine(Ado)和α,β-methyleneATP(α,β-MeATP)对豚鼠乳头状肌动作电位各参数均无影响,氨茶碱持续灌流亦不影响UTP的作用。与UTP 3mmol/L等渗的ceftriaxonum(3mmol/L)或NaCl(9mmol/L)可显著但轻微地延长APD。结论:UTP延长豚鼠乳头状肌APD的作用由特异性和非特异性两种作用组成,前者与P2Y_2受体有关。

Objective To study the cell cycle block and apoptosis induced by hydroxycamptothecine (HCPT) in cultured rabbit lens epithelial cells (RLECs) and its affect on the gene expression of fas/fas L in RLECs Methods Flow cytometry was used to examine HCPT induced cell cycle block in cultured RLECs We observed cell morphological changes with light microscope and electron microscope Apoptosis was detected by terminal deoxyribose transferase mediated deoxy uridine triphosphate nick end labeling...

Objective To study the cell cycle block and apoptosis induced by hydroxycamptothecine (HCPT) in cultured rabbit lens epithelial cells (RLECs) and its affect on the gene expression of fas/fas L in RLECs Methods Flow cytometry was used to examine HCPT induced cell cycle block in cultured RLECs We observed cell morphological changes with light microscope and electron microscope Apoptosis was detected by terminal deoxyribose transferase mediated deoxy uridine triphosphate nick end labeling (TUNEL) assay The TUNEL assay was performed following the manufacturer′s instruction of in situ cell death detection Expression of Fas and Fas L was estimated by immunohistochemical staining Results The flow cytometric analysis showed that the HCPT induced cell cycle block was at S phase The ratio of nucleus and cytoplasm was increased The electron microscopic examinations demonstrated that the HCPT initiated apoptosis with typical morphological features The apoptosis of RLECs treated with HCPT was observed by TUNEL assay, and the number of the cells with apoptosis was increased with the increase of the HCPT concentration The HCPT did not affect the gene expression of Fas/FasL Conclusions HCPT not only induces mitotic block but also induces apoptosis of RLECs which is not mediated by the Fas/FasL signaling pathway

目的 探讨羟基喜树碱 (hydroxycamptothecine ,HCPT)对兔晶状体上皮细胞 (rabbitlensepithelialcells ,RLECs)细胞周期的阻断作用和诱导细胞凋亡的作用 ,并研究其对Fas/FasL表达的影响。方法 使用流式细胞仪分析检测HCPT对RLECs细胞周期的阻断作用 ,以光镜和电子显微镜观察细胞形态的变化 ,应用末端脱氧核酸转移酶介导的脱氧三磷酸尿苷缺口末端标记法检测HCPT诱导的细胞凋亡情况 ,应用免疫组化方法检测HCPT对Fas/FasL表达的影响。结果 HCPT可将RLECs阻断于细胞周期的S期并诱导其凋亡 ;凋亡细胞具有典型的形态 ;脱氧尿苷三磷酸标记显示散在阳性细胞 ,且凋亡细胞的数量随HCPT药物浓度的增加而增多。HCPT对RLECs的Fas/FasL表达无明显影响。结论 HCPT不仅可阻断RLECs的分裂 ,而且可诱导细胞发生凋亡 ;Fas/FasL介导途径未参与HCPT诱发RLECs凋亡的过程

 
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