甲基化的

In addition, the study identified three other genes that were abnormally methylated in both tumor and normal tissues.

另外，这个研究还发现了三个另外的基因，他们在肿瘤和正常的组织中均不正常的甲基化。

The methods determing the groups in the modified starch have been developed, that is acidimetry for the basicity of acidified starch, complexing titration for the substitution degree of carboxymethyl starch, and heat paste titration and carbonyl process respectively for the carboxyl and nitrogen of oxidized starch.

建立了以酸碱滴定测定酸化淀粉的碱量、络合滴定法测定羧甲基淀粉的取代度、热糊滴定和羟胺法测定氧化淀粉中羧基及羰基、消化定氮测定阳离子淀粉等几种变性淀粉的基团分析方法。

The mass concentrations of sodium hydroxide,cetyltrimethyl ammonium bromide,sodium citrate and glycerin in the aqueous stripper are 90～100 g·L-1,10 g·L-1,10 g·L-1 and 10 g·L-1,respectively.

该脱漆剂以氢氧化钠水溶液为主体系，其中氢氧化钠的质量浓度为90~100 g.L-1，溴化十六烷基三甲基胺的质量浓度为10 g.L-1，柠檬酸钠的质量浓度10 g.L-1，甘油的质量浓度为

The effects of the intensity of basicity and the molar proportion of reactants on the reaction are discussed.

对1，3-环己二酮在碱性条件下的甲基化反应进行了对比研究，利用IR和1H NMR对产物结构进行了表征，讨论了碱性强弱和反应物物质的量之比对该反应产物的影响

The results that the chromatin structure in ANF gene region for 0.5 month-old rats are in loose form while it is in close-packed form for 6 month-rats.

本项研究发现并肯定了发育及老化过程中ANF基因表达规律，老化时染色质构象的变化是ANF基因表达衰退的重要原因，发现ANF基因中三个CCGG序列完全甲基化可能是该基因表达"关闭"的原因。

Cytosine methylation is required for mammalian development and is often perturbed in human cancer.

胞嘧啶甲基化对哺乳动物的正常发育是必需的，而且常常在人类的癌症中发生异常。

Modification of the DNA itself,such as base methylation of cytosine residues,is also important and is involved in the epigenetic marking of gene loci.

DNA 本身的修复，如基本的核胞嘧啶残基甲基化，也是很重要的，并且参与了外源性基因位点的标记。

Histone H3 methylated at Lys4, which defines euchromatin, was not only distributed across most of the chromosomal landscape but was also present at the centromere core, the site of kinetochore assembly.

标志着常染色质的组蛋白H3－K4甲基化不仅广泛分布在大部分的染色体区域，同时也存在于着丝点的中心位置。

DNA methylation is one of the important mechanisms that lead to the inactivation of tumor suppressor genes.

在癌变的过程中抑癌基因表达的改变可能首先表现DNA甲基化状态的异常。

Methylation of promoter in p16 gene is one of the important mechanisms of the inactivation of the gene.

喉癌中p16基因的甲基化是该基因失活的重要机制之一，p16基因的失活与喉癌的发展和演进密切相关。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。