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p genes
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  p21基因
     The efficacy of p16, p53 and p21 genes on the proliferation of lung cancer cells in vitro
     p16、p53、p21基因对肺癌细胞增殖的影响
短句来源
     Objective:To study the role of deletions of P16 and P21 genes in human breast carcinoma .
     目的 :初步探测 P16及 P2 1基因异常在乳腺癌发生发展中的作用。
短句来源
     Objective: To explore the effect of Buyang Huanwu decoction (BHD) drug serum on rat's in vitro cultured cerebral cortical neuron apoptosis induced by hypoxia, and on the expression of p53 and p21 genes in hypoxia process.
     目的:探讨补阳还五汤对体外培养大鼠皮层神经元缺氧凋亡的作用,以及对神经元缺氧过程p53、p21基因表达的影响。
短句来源
     This test showed that excessive expression p21 genes inhibited the growth of cell through debasing PRb phosphorylation degree which leaded to inhibit transcription of DNA.
     实验表明,过量表达的p21基因是通过降低PRb磷酸化水平抑制DNA的转录来抑制细胞生长的.
短句来源
     The results suggested that the high levels of pl6 and p21 genes expression might associate with high glucose induced senescence of IMR-90.
     研究结果表明,高浓度葡萄糖诱导人二倍体成纤维细胞衰老可能与p16和p21基因高表达相关,而与p53基因表达关系不密切。
短句来源
  “p 21 genes”译为未确定词的双语例句
     The result showed that NIH3T3 cells revealed premature senescence、growth cycle prolonged and growth speeding slowed,prb′sphosphorylation degree in NIH3T3 cells infected by p21 genes falled.
     结果显示NIH3T3细胞出现了衰老样变化,生长周期延长,生长速度缓慢; 在转染了p21基因的NIH3T3细胞中PRb磷酸化程度降低.
短句来源
     Relationship between the expression of p53,p21 genes in the upper gastric mucosa adjacent to the gastric carcinoma and the carcinomas on the edge of the remnant stomach
     胃远端癌口侧癌旁粘膜p53、p21的表达与残胃断端复发癌的关系
短句来源
     Inhibition effect of co-expression of human wild type p53 and p21 genes on hepatocellular carcinoma
     p53p21双基因转染对肝癌细胞生长的抑制作用研究
短句来源
     Results: BHD could significantly inhibit the neuron apoptosis induced by hypoxia and down-regulate the expressions of p53 and p21 genes.
     结果:补阳还五汤显著抑制缺氧导致的神经元凋亡,下调p53和p21基因的表达。
短句来源
     These results suggest that:(1)cyclin D1,cdc2,P16 and P21 genes are not related to the regulaton of cell cycle during test development and germ genaration, and possibly the machanism of cell cycle regulation during test development and germ genaration is different from other kind of cells;
     这些结果表明 :(1)细胞周期调控基因cyclinD1、cdc2、P16和P21与小鼠睾丸发育和精子发生过程的细胞增殖控制关系不大 ,可能小鼠睾丸和精子发育过程中的细胞增殖调控与其他细胞的增殖调控有不同的机制 ;
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  相似匹配句对
     21h.
     反应时间大约21 h 。
短句来源
     21.
     引用文献21篇。
短句来源
     21 is completed.
     21中组态和存取数据的OPC接口设计与应用的具体实施和实现细节。
短句来源
     the column temperature was(21 ℃).
     柱温:21℃;
短句来源
     cytoskeleton genes ;
     细胞骨架相关基因;
短句来源
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  p genes
These findings indicated that there was aberrant alteration of p53 and p21 genes in transitional mucosa adjacent to colorectal carcinoma, which provided further evidence that transitional mucosa was an unstable pre-cancerous change.
      
The cells now expressing p21 genes were identified and used for the proliferation assay.
      
Therefore, p23 and p21 genes are not closely linked and may even be on different chromosomes.
      
Total cellular RNA was extracted and subjected to RNase protection using probes for the p53-responsive Bax and p21 genes.
      
GAS41 is bound to the promoters of the repressed p14ARF and p21 genes in normal cells, and its dissociation correlates with gene activation.
      
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A survey of the distribution of ABO,P and Rh blood groups was made among960 primary and middle school students of Tujia Minority in Luota,Xiche andMiaoshi Communes in Longshan county.Slide method was used for the identificationof ABO and P blood groups and direct bromelin method,for Rh blood group.Thedistribution of ABO blood group system in The Minority of Tujia is shown inTable 1.The sequence of the frequencies of phenotypes is A>O>B,AB.As for thegene frequencies,the sequence is O>A>B.In view of...

A survey of the distribution of ABO,P and Rh blood groups was made among960 primary and middle school students of Tujia Minority in Luota,Xiche andMiaoshi Communes in Longshan county.Slide method was used for the identificationof ABO and P blood groups and direct bromelin method,for Rh blood group.Thedistribution of ABO blood group system in The Minority of Tujia is shown inTable 1.The sequence of the frequencies of phenotypes is A>O>B,AB.As for thegene frequencies,the sequence is O>A>B.In view of the frequencies of the pheno-types of P blood group system,P_1 is much more frequent than P_2(Table 2),on thecontrary,the gene frequency P(gene of P_2)is higher than P(gene of P_1)(Table 4).As for the Rh blood group,among 930 investigated individuals,we found only8 phenotypes.The sequence of the frequencies of these phenotypes is CCDee>CcDE>ccDE>CcDee>CCDE>ccDee>CCdE and ccdee(Table 3).The rate of Rh posi-tive is 99.78% and Rh negative,0.22%.The sequence of frequencies of Rh genecomplexes is R' R~e>r>R~o>R~z,while r,r'and r~y are zero(Table 4).Detailedcomparisons are made between our results and those reported by the Shanghai Inst-itute of Biological Products(Table 5 to 8).The probable reason why the frequencyof the phenotype P_1 is much higher than P_2 while the gene frequency is quite thecontrary is discussed in thits paper.

共调查了土家族青年学生960人的 ABO、P 及 Rh 等血型系统,结果表明在 ABO 血型系统中,表现型频率的次序为 A>O>B>AB 型,而基因频率的次序为 O 基因>A 基因>B 基因。P 血型的表现型频率,P_1远高于 P_2,但其基因频率却相反,P_2高于 P_1。在我们调查的930例 Rh 血型中各表现型频率的次序为 CCDee>CcDE>ccDE>CeDee>CCDE>ccDee>CCdE 及 ccdee·Rh阳性占99.78%,Rh 阴性仅占0.22%。基因频率的次序为 R~1>R~2>r>R~0>R~z·r′、r″及置 r~y 为O。我们将调查结果与上海生物制品研究所血型组的调查结果作了较详尽的比较,并指出土家族与各民族间某一血型的表现型分布上的差别以及基因频率的差别的显著性基本上一致,但也有个别不尽相同的情况。此外,本文还讨论了土家族 P 血型 P_1远多于 P_2而 P_1基因频率反较 P_2为小的可能原因。

In order to test the promoter function of two HBV DNA fragments, a soluble cell-free system extracted from Hela celis was used. In the in viiro transcriptional system using the 1.4kb DNA fragment as the templa-te, there were two RNA products whose transcriptional initiation sites were supposed to be at nucleotide 276±5% and 821±5% respectively on the HBV map. The first transcriptional initiation site is identical to the one that is directed by the HBV C gene promoter known before.The rela-tionship between...

In order to test the promoter function of two HBV DNA fragments, a soluble cell-free system extracted from Hela celis was used. In the in viiro transcriptional system using the 1.4kb DNA fragment as the templa-te, there were two RNA products whose transcriptional initiation sites were supposed to be at nucleotide 276±5% and 821±5% respectively on the HBV map. The first transcriptional initiation site is identical to the one that is directed by the HBV C gene promoter known before.The rela-tionship between the location of the second initiation site and the gene open reading frame suggests that the promoter may direct the synthesis of P gene mRNA.The 0.8kb DNA fragment starts from the core structure gene, not in-cluding the regulating sequence. Deducing from the 708±5% nt-long RNA product, the transcriptional initiation site is 588 + 5% on the HBV DNA map. Associated with this RNA start site, there is an ATG codon at po-sition 677 downstream, suggsting that the ATG codon may be a start site of a new open reading frame.

自adr亚型乙型肝炎病毒DNA重组质粒中获得两个DNA片段,用体外转录方法研究启动子的位点。其中1.4kb片段有两个转录产物,其转录起始点分别位于乙型肝炎病毒DNA序列的276±5%位和821±5%位,第一个转录起始点与已报道的乙型肝炎病毒核心抗原基因上游启动子位置一致,第二个转录起始点在888位P基因的起始密码子上游。0.8kb片段自校心抗原结构基因起始密码子ATG以下的序列开始,不含有已知的调控序列,其708±5%核苷酸长的RNA产物,根据其长度计算共转录起始点位于乙型肝炎病毒DNA序列588±5%位,与此位置相关的下游ATG密码子位于677位。

The autho rs found that rhizomania resistant charac tor was controlled by two pairs of dominant genes by our observing on the resistance of differ rent original materials, their cross progenies and test cross progenies to the disease in the breeding of rhizomania resistance. The gene types and genetic niodel of sugarbeet (Beta vulgaris) rhizomania resistance were infered acco rding to the result. Let us assume that"P" and "R"represent the two pairs domnant genes, so the RRPP for immune...

The autho rs found that rhizomania resistant charac tor was controlled by two pairs of dominant genes by our observing on the resistance of differ rent original materials, their cross progenies and test cross progenies to the disease in the breeding of rhizomania resistance. The gene types and genetic niodel of sugarbeet (Beta vulgaris) rhizomania resistance were infered acco rding to the result. Let us assume that"P" and "R"represent the two pairs domnant genes, so the RRPP for immune type; RrPP, RRPp for disease resistanc e typel RrPp, RRpp, rrPP for disease tolerant type Ⅰ; Rrpp, rrp for disease tolerant typeⅡ and rrpp for sensitive type.The cultivated sugarbeet has lost a pair of the dominant gene in their cultivating process. If the sugarbeet lost the "p", we obtain only the stock of disease tolerant type, but it is not possible get the stocks of disease resistant and immune types in our selecting works.However, we wi1l get the disease resistant or immune type, after the sugarbeet will pick up the lost"P"gene by crossing with their ancestors.

在从事甜菜抗丛根病育种工作中,通过对各类育种材料的抗病性观察,及对其互交和测交后代的调查,发现甜菜的抗丛根病性是由两对显性基因控制的。经过一步分析,提出了甜菜抗丛根病的基因型和遗传模式。假定以“R”和“P”代表这两对显性基因,免疫型为RPRP;抗病型为RPRp、RPrP耐病Ⅰ型为RPrp、RpRp、rPrP;耐病Ⅱ型为Rprp、rPrP;敏感型为rprp。推测:糖用甜菜在驯化过程中,丢失了其中的一对显性基因,假设丢失的“P”,那么,只有耐病Ⅰ型(RpRp)、耐病Ⅱ型(Rprp)和敏感型(rprp)。这样,采用选择的方法,只能选育出耐病型品种,不可能选育出抗病型和免疫型的品种。只有通过与其祖先杂交,将丢失的“P”基因找回来,才能育成抗病型和免疫型品种。

 
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