查询词典 methylation

Based on the methylation analysis of the glycan and 〓C NMR spectroscopy of the glycoconjugate, one of the probably structure of repeat unit of the glycoconjugate was estimated as follow:- [→4 βGlcp (1→4)βGlcp (1→4)βGlcp (1→4)βGlcp (1→4)βGlcp (1→4)βGlcp (1→4)-βGlcp (1→4)βGlcp (1→] 〓→4)βGlcp (1→3)βManp (1→3)βRhap (1→3)βRhap (1→3)-↓↓βGalp βArap -βRhap (1→3)βRhap 1→ GFPE, which was the extracellular polysaccharide, was sulfated and the production was called GFPEs, which sulfated radicals content was 20.02%.

以甲基化反应及核磁共振的方法分析糖链结构，假设糖链GFPI-g具有重复结构单元，其可能的一种重复单元结构为：〓对灰数花胞外多糖GFPE的硫酸化修饰产物命名为GFPE-s，硫酸根含量为20.02％。

Results The homozygous deletion and methylation of p16 gen...

结果 P16基因纯合缺失 7例，甲基化 11例，总失活率为 2 6 。1%(18/6 9)。

The mechanism for methylation of mercury in presence of humic substances was studied.

4对腐殖质存在下汞非生物甲基化作用的机理进行初步探讨。

Was synthesized from succimide by bromination with bromine,methylation with dimethyl sulfate and the reaction of indolyl magnesium bromide with 2,3-dibromoN-methylmaleimide.

以琥珀酰亚胺为起始原料，经过溴化、甲基化后再与吲哚溴化镁加成反应合成了2-溴-3-(1H-吲哚-3)-N-甲基马来酰亚胺，总收率44.8%，其结构经1H NMR和IR确证。

Chiral centers of C5 and C8 are directly constructed in the key step of the diastereoselective propargylation from D--tartrate. The methylation and subsequent methoxycarbonylation result in desymmetrization of the terminal dialkynes. The α,β-unsaturated δ-lactone is synthesized after partial hydrogenation and lactonization.

由非天然酒石酸出发，利用双向非对映选择性的炔丙基化反应，在一步反应中同时构建C5和C8手性中心；然后通过末端炔基的甲基化、甲酯基化，延长碳链并对分子去对称化；内酯化得到关键中间体α，β-不饱和六元内酯，再经多步反应转化得到8-epi--Boronolide。

Objective To observe the methylation status of p16 tumor suppressor gene in human soft tissue leiomyosarcoma and its relationship with p16 protein expression.

目的 探讨软组织平滑肌肉瘤中p16基因INK4A的甲基化状态及其与p16表达的关系。

Objective To investigate the effects of methylation p16 on pathogenesis of actue lymphoblastic leukemia.

目的：探讨p16基因甲基化在急性淋巴细胞白血病发生机制中的作用。

Methylation of p16 gene probably plays a role in the pathogenesis of acute lymphoblastic leukemia and may have a prognostic value.

p16基因甲基化在ALL发生机制中有一定的作用，可作为评估ALL预后的一个指标。

Mechanistically, the dsRNA-induced gene actiation requires the Argonaute 2 (Ago2) protein and is associated with a loss of lysine-9 methylation on histone 3 at dsRNA-target sites.

在分子构成上，dsRNA诱导的基因激活需要有Ago2蛋白，同时还伴随有dsRNA打靶部位的组蛋白3上的赖氨酸－9甲基化的缺失。

In gastric carcinoma, the 5CpG island methylation of p1 6 gene promoter occurred in 33.33%(2/6 cases) of well and mediately differentiated carcinomas and 57.89%(11/19 cases) of poorly differentiated carcinomas.

胃癌组织p16基因启动子5'CPG岛甲基化显著高于正常组织，说明该基因上游调控序列的甲基化可能是胃癌形成过程中的一个重要分子标志。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。