甲基化的

The inactivation of p16 gene has a close relation with the development and progress of LSCC.

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。

Objective: With umbilic blood from the mature newborns, to screen CpG-ODN, which can markly boost up the immunity response, from some designed CpG-ODNs; to compare the effect of CpG-ODN on the lymphopoiesis of umbilic blood from the premature, mature newborns and the peripheral blood from the adults; to observe the infulence of CpG-ODN on the immune function of the pregnant mices and their newborns, the immune-inhibited and aged mices.

目的：设计含非甲基化胞嘧啶和鸟嘌呤的寡聚脱氧核糖核苷酸，以期用足月新生儿脐血筛选出具有较强免疫增强作用的CpG-ODN；比较CpG-ODN对新生儿脐血和成人外周血单个核细胞的增殖效应；观察CpG-ODN对孕鼠及其新生鼠、免疫抑制鼠和老年鼠体液免疫功能的影响。

DNA methylation is an important modifiable manner of epigenetic dominating the correct expression of gene. It is a main instrument of regulating genome function and plays a prominent part in the embryonic normal development.

DNA 甲基化是支配基因正常表达的一种重要的表观遗传修饰方式，是调节基因组功能的重要手段，在胚胎的正常发育过程中具有显著作用。

The processes of repeatinduced point mutation and methylation induced premeiotically, both found in fungi, and of repeatinduced gene silencing, found in flowering plants, all silence and methylate repeated sequences, a common characteristic of parasitic DNA elements.

过程repeatinduced点突变和甲基化诱导premeiotically ，均发现真菌，并repeatinduced基因沉默，发现在开花植物，所有的沉默和甲醇重复序列，一个共同的特点，寄生虫的DNA分子。

The mistake previous researchers made, therefore, was thinking of the methylated amino acids of meteorites as ingredients of life.

所以，此前的研究者错误的认为陨星中的甲基化氨基酸就是生命的成分。

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。

Therefore, in this paper, the process for preparing 2,6-DMN by methylation of methylnaphthalene over AlClx/HY and AlClx/HY-U zeolite catalysts is employed. The effects of reactions conductions on reaction results were studied.

为此，本文采用2-甲基萘烷基化的合成路线，考察了AlClx/HY型和AlClx/HY-U型分子筛的反应活性，以及反应条件的影响。

The data showed that over 80% of yeast rRNA ribose methylation sites were conserved within rice rRNA.

这些结果表明在不同的真核生物中，rRNA上大部分核糖的甲基化修饰位点是保守的。

No clear correlation betweenthe expression level and the level of the structural gene demethylation in embryonicand adult hepatocytes has been observed.

在胚胎和成人肝细胞中，AFP的表达水平和该结构基因的去甲基化水平没有显示出明显的相关性。

Objective To investigate the expression and its significance of P16, Cyclin D1 and pRb in human outrageous squamous cell carcinoma and the relationship between the throe proteins, and to investigate the relationship between the methylation of p16 gene and the development of the CSCC.

目的 探讨P16、Cyclin D1和pRb蛋白在皮肤鳞状细胞癌中的表达及他们的相互关系和意义；研究p16基因甲基化是否与原发性皮肤鳞癌的发生有关。

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％。