methylation单词基本解析：

甲基化作用

释义甲基化作用；

methylation变化用词：

methylation英英释义：

MethylationIn the chemical sciences, methylation denotes the addition of a methyl group to a substrate or the substitution of an atom or group by a methyl group. Methylation is a form of alkylation with a methyl group, rather than a larger carbon chain, replacing a hydrogen atom.

以上来源于:Wikipedia

methylation中文词源：

methylation用法和例句：

methylation

Our data show that 5 aza CdR may inhibit tumor growth by reactivating growth regulatory genes silenced by de novo methylation.

5 aza CdR有肯定的抑瘤作用 ,其抑瘤作用的可能机理主要是通过p16基因去甲基化解除转录抑制完成的。

Su(ar)3-9 proteins attach methyl groups to the histone labeled H3 at its ninth amino acid residue, which is a lysine.

9蛋白将甲基加在组蛋白H3的第九位氨基酸残基，也就是赖氨酸残基上，从而使H3组蛋白贴上了个标签。

ACR is a copolymer of methyl methacrylate with acrylate.

ACR是一种甲基丙烯酸甲酯与丙烯酸酯类的共聚物。

CFTR and GSTP1, have aberrant high methylation profiles in HCC by contrast with the unmethylated normal controls.

CFTR基因和GSTP1基因在正常肝组织中均未甲基化，而在癌旁组织和癌组织中甲基化比例较高。

Cases with methylation of COX-2 and hMLH1 gene promoter CpG islands in gastric carcinoma were 8 and 13, and they were not detected in normal tissues.

COX-2和hMLH1基因启动子CpG岛甲基化在43例胃癌中分别有8例和13例,正常组织中未检测到。

CpG Methylation and Gene Regulation and Gene Regulation.

CpG甲基化与基因调控。

CRL was reacted much more quickly with methyl 5-N-(2, 6-xylyl)-alanate than that with R isomer.

CRL脂酶对S-(-)-N-(2，6-二甲苯基)-丙氨酸甲酯作用速度远大于R-(+)-异构体。

Aberrant methylation of DNA has been recognized as common epigenetic changes in human cancer.

DNA异常甲基化是肿瘤常见的表观遗传学改变。

Recent studies on DNA methylation and its regulatory enzymes,seem hot to researches of epigenetics.

DNA甲基化及其调节酶是近年来表观遗传学研究的热点。

DNA methylation has an important role in transcriptional regulation, togethering with histone modification and chromatin remodeling.

DNA甲基化在基因转录过程中扮有重要角色，并与组蛋白修饰、染色质构型重塑共同参与转录调控。

The abnormality of DNA methylation includes global hypomethylation and region-specific hypermethylation.

DNA甲基化异常包括全基因组的低甲基化和局部基因的高甲基化。

Abnormal DNA methylation can influence the expression of certain genes,inducing occurrence and development in autoimmune diseases.

DNA甲基化异常可影响某些基因的表达,导致自身免疫性疾病的发生发展。

DNA methylation is an important epigenetic modification of the mammalian genome that regulates gene expression and chromatin organization.

DNA甲基化是对哺乳动物基因组一种重要的表观遗传修饰,调控着基因表达和染色质组织结构。

DNA methylation plays a key role in transgene silencing.

DNA甲基化是引起外源基因沉默的主要原因。

DNA methylation is a kind of normal endogenous modified mode,which is fulfilled by DNA methylation transferase.

DNA甲基化是真核生物DNA的正常内源性修饰方式,它由DNA甲基化转移酶催化发生。

Aberrant DNA methylation reinforce the gastrical tumorigenesis by promoting gene mutation and enhancing the chromatosome instability ,etc.

DNA的异常甲基化通过影响基因转录,促基因突变,增加染色体结构的不稳定性等多方面促进胃癌的发生发展。

DNA methylation and its aberrance play an important role in the human development and tumorigenesis.

DNA的甲基化及甲基化异常在人体发育和肿瘤的发生中起着至关重要的作用。

The characteristics of DOT1 proteins and H3K79 methylation suggest that they may have important and characteristic functions.

DOT1及H3K79甲基化的特点决定了其可能具有重要的、特殊的生物学功能。

Methylation of hMSH2 gene promoter CpG islands was not detected in gastric carcinoma or normal tissues.

hMSH2基因启动子CpG岛在胃癌及正常组织中均未检测到甲基化。

The conformational change of M. L. DNA with different methylation level was measured by CDD and UVD spectra.

L. DNA分离出来.

Methylation within the NF2 promoter region was only identified at a single CpG site in one tumor sample.

NF2启动子区域甲基化只在一例肿瘤样品中单个CpG位点中检测到。

P15 gene methylation might be related with the pathogenesis, and prognosis of MM.

p15基因甲基化可能是MM发病的原因之一,与MM的发展及预后有一定的关系。

The frequency of p16 promoter methylation is higher in Dukes stages of C and D CRC (59%) than A and B CRC (20%)(p<0.05).

p16基因启动子区甲基化在Dukes分期A、B和C、D期中发生率分别为20%和59%，差异显著（p<0.05）；

Pseudomonas putida DLL-1 is a high effective methyl parathion(MP) degrading strain,which is also of chemotaxis to MP.

Pseudomonas putida DLL-1是一株甲基对硫磷(MP)高效降解菌株,同时对MP具有趋化性。

Decreased RASGRF2 expression was presented in 36% (5/14) lung cancer cell lines while aberrant methylation of RASGRF2 was present in 29% (4/14) lung cancer cell lines.

RASGRF2 在 36% (5/14)的肺癌细胞中表达降低,而在 29% (4/14) 肺癌细胞中存在异常甲基化。

The concordance between loss of expression and aberrant methylation of RASGRF2 was 86% (12/14) in cell lines.

RASGRF2 在肺癌细胞表达降低和异常甲基化的吻合率为86% (12/14);

Methylation of TMS1/ASC gene in promotor region is related with the genesis of ovarian carcinoma.

TMS1/ASC基因启动子甲基化与卵巢癌发生的关系

Z associates with functional regulatory elements, and CTCF marks boundaries of histone methylation domains.

Z和功能调控元件相关，CTCF标记组蛋白甲基化区域边界。

A polysaccharide of unknown structure was isolated, subjected to exhaustive methylation, and hydrolyzed.

一未知结构的多糖，经完全甲基化和水解。

The applications of methyl trichlorosilane in the preparation of the.

一甲基三氯硅烷。

One kind of methylation alteration is that the unmethylated CCGG sequence was transformed into external hemimethylated cytosines.

一类变异是将未甲基化CCGG位点的外侧胞嘧啶半甲基化，此类变异基本上不能传递给再生苗；

TMV CP;different constructs;methylation;post transcriptional gene silencing;watermelon;virus diseases;transformation;resistance.

不同结构形式;甲基化;转录后基因沉默;西瓜病毒病;转基因;抗病性

Allene is an isomer of methyl acetylene.

丙二烯是甲基乙炔的一种异构体。

Acetic acid methyl amyl ester.

乙酸甲基戊酯。

The cream contains escin, hesperidine, methyl chalcone and coenzyme Q10.

乳液包含包含七叶皂素、橙皮苷、甲基酮和Q10。

The yield of dimethoxy methyl aceto acetate can be reached 55.3 %.

二甲氧基乙酰乙酸甲酯的收率可达53.3%。

The methylation specific PCR (MSP) and bisulfite DNA sequencing were performed to examine the methylation status of SLIT2 gene promoter.

亚硫酸氢钠处理DNA,用MSP和测序法检测SLIT2启动子甲基化状态。

Methyl silicone oil polysulfonate drilling fluid.

产。甲基硅油聚磺高密度钻井液。

We will further investigate the relationship of histone modification and promoter methylation on the expression of TFPI-2.

今后，我们将在表观遗传层面对TFPI-2基因的修饰和相关组蛋白的修饰进行深入研究。

Produced from stearyl alcohol and methyl palmitate.

以硬酯醇及甲基二十二。

Produced from lauryl alcohol and methyl laurate.

以硬酯醇及甲基棕榈。

The kinetics of graft copolymerization of SBS and methyl methacrylate in toluene initiated by BPO was investigated.

以过氧化苯甲酰(BPO)为引发剂,甲苯为溶剂,膨胀计法研究甲基丙烯酸甲酯与SBS接枝聚合反应动力学。

To combine with the methyl radical.

使甲基化使与甲基根结合

Such as Vincristine Sulfate, Vinorelbine Bitartrate, NHDC and Hesperidin Methyl Chalcone.

例如硫酸长春新碱、酒石酸长春瑞宪，NHDC。

Suppose you add a brief pulse of [3-14C] pyruvate (labeled in the methyl position) to the mitochondria.

假设你向线粒体中加入一个[3-14C]的丙酮酸(标记在甲基上)的短的脉冲。

The investigation on the role of DNA methylation in carcinogenesis have been mainly focused on promoter hypermethylation of tumor suppressor genes.

关于DNA甲基化在肿瘤中的作用的研究，大多集中在研究已知的抑癌基因启动子区的异常高甲基化。

Some methods could also determine the pattern of methylation or the degree of pectins acetylation.

其中有些方法可以同时测定果胶的甲酯的取代方式或乙酰化取代度。

DNA methylation has also been found in premalignant lesions such as prostatic intraepithelial neoplasia, but to a less extent compared with that in prostate cancer.

前列腺癌前病变如前列腺上皮内瘤也存在DNA甲基化,但程度相对较低。

An organic compound, especially ethane, containing two methyl groups.

双甲基的，乙烷一种有机化合物，特别是乙烷，内含有两个甲基

The other, called L-methionine, is a donor of methyl groups.

另一个是L-甲硫氨酸，它可以提供甲基。

Produced from stearyl alcohol and methyl behenate.

可按客户要求生产。

Methylation status of E-cad in 60 primary ACC was also examined by the same method.

同法从60例ACC 组织切片中刮取肿瘤细胞,检测E-cad 基因甲基化状况。

So the DNA methylation patterns of mouse tetraploid embryos are aberrant, which may lead to subsequent de-velopmental failure and embryo death.

因此, 小鼠体外培养四倍体胚胎的甲基化模式是不正常的, 这可能是四倍体小鼠难以发育到妊娠足月的原因之一。

Thus the term dialkyl carbonate includes, for example, methyl ethyl carbonate.

因此术语二烷基碳酸酯包括，例如甲基乙基碳酸酯。

Methods Methylation status of RASSF1A promoter was detected by MSP in 40 cases of breast cancer tissues and 24 cases of matched benign tissues.

因此认为RASSF1A基因的失活可能与肿瘤的发生有关。

The methylation rate of hMLH1 gene promoter CpG islands in MSI-H was higher than that in MSS (P<0.01).

在MSI-H组hMLH1基因启动子CpG岛甲基化率显著高于MSS组(P<0.01);

Methylation of hMLH1 and COX-2 gene promoter CpG islands may both occur in the development of MSI gastric carcinoma.

在MSI胃癌(尤其是MSI-H型胃癌)的发生、发展过程中可能同时出现了hMLH1和COX-2基因启动子CpG岛的甲基化(即表型遗传修饰)。

In TGS in plants, cytoplasmic dsRNA containing promoter sequences is able to direct the silencing, and de novo methylation, of the homologous DNA.

在TGS的植物中，细胞质的双链RNA含有启动子序列，是能够直接沉默，和去甲基化，同源的DNA 。

A total of 74.6 kilograms of methyl amphetamine or 'ice' was seized in 1997, compared with 46.8 kilograms in 1996.

在一九九七年，共检获74.6公斤氧麻黄碱(或称"冰")，而在一九九六年则检获46.8公斤。

In the development of leukemia, methylation plays an important role in the genetic expression regulation and genetic structure stabilization.

在白血病的发展中，甲基化对基因表达的调控和基因结构的稳定起着重要的作用。

After fusion of cytoplasm, the DNA methylation levels of the fused embryos was very high as well as two-cell diploid embryos in vivo.

在细胞核开始融合的时候，甲基化水平急速下降，在细胞核完全融合的时候甲基化水平达到最低点；

In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration.

在苯或乙酸乙酯溶液中其衰减速度随甲基丙烯酸甲脂浓度呈直线地增大。

In this case， methyl alcohol will be excreted unmetabolized in the urine.

在这种情况下，甲醇将以原形随尿排除。

Decitabine is the most common medicament used to reduce the level of methylation.

地西他滨是用于降低甲基化的常用药物。

Genes are imprinted by the addition of molecules called methyl groups to the gene's DNA.

基因印迹是通过在基因的DNA上链接附加的甲基团（一种分子的名称）达成的。

The genomic DNA methylation tends to repress gene expression while demethylation or hypomethylation activates the gene expression.

基因组DNA的甲基化修饰通常使基因转录失活,去甲基化或低甲基化则使基因转录活化。

As expected, tumor cells showed the highest methylation leels.

如所预料的一样，肿瘤细胞呈高度甲基化。

But what happens if the methyl defense falters?

如果说这种甲基防御出了问题,又会发生什么事呢？

For example: Heavy lead, fusel oil, formaldehyde, methyl alcohol and so on.

如：重铅、杂醇油、甲醛、甲醇等。

We found that purified MPH have a 20-fold higher hydrolytic efficiency to methyl parathion than to parathion.

对MPH纯酶的底物特异性研究中发现：它水解甲基对硫磷的比活力是水解乙基对硫磷比活力的20余倍。

Methanol, ethanol and glycolic methyl ether as precursor solvent of boric acid.

对上述体系中不同的先驱体及溶剂进行交叉实验。

The bis(S)-Naproxen methyl ester is(+)-enantiomer.

对其代谢过程作了初步探讨。

The mechanism of methylation reaction is discussed.

对甲基化反应机理进行了讨论.

Alterations in DNA methylation, an important regulator of gene transcription, lead to cancer.

对调节基因转录起重要作用的DNA甲基化的异常将导致癌症的发生。

But another group was fed chow enriched with vitamin B12, folic acid and other good sources of methyl.

将怀孕的橙腰鼠，一组喂食普通的饲料，其子代有60%出黄色的毛发。

The group now aims to map the methylation patterns in 200 samples representing the entire human genome and all the major human tissues.

小组现在打算在代表整个的人类基因组和所有的主要人类组织的200个样本中,来描绘映射甲基化型态。

The working solution is made by mixing 1 part of the stock solution with 6 to 8 parts of methyl alcohol.

工作用液是1份储备液和6-8份甲醇配成的。

Various overlay mediums, such as agar, starch gel, methyl cellulose and tragacanth are used.

常用的覆盖培养基有:琼脂、淀粉凝胶甲基纤维素和黄蓍胶等。

Various overlay mediums, such as agar, starchgel, methyl cellulose and tragacanth are used.

常用的覆盖培养基有：琼脂、淀粉凝胶甲基纤维素和黄蓍胶等。

When the H3K9 methylation pathway is functioning properly, heterochromatin remains condensed and a single nucleolus forms around the ribosomal DNA.

当H3K9甲基化路径正常是，异染色质处于致密状态，在核糖体DNA周围形成单个核仁。

用作名词(n.)

However, then injecting them with a drug to inhibit methylation seemed to erase any memory of the shock.
然而，在给它们注射了抑制甲基化作用的药物后，它们对于电击的记忆似乎就完全被消去了。

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