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Nicotinate methyltransferase 烟酸甲基转移酶
Some of this damage can be repaired by the DNA methyltransferase MGMT. 这类损伤中有一部分可被DNA甲基转移酶MGMT所修复。
And 40 patients(M 19, F 21;age 62 ?6 a)were treated with inositol nicotinate 200 mg, tid, po, for 30 d. 40例(男性19例,女性21例;年龄62±6a)采用烟酸肌醇酯200mg, tid, po治疗。 2组均以30d为一个疗程。
OBJECTIVE To establish a method of bacterial endotoxin test for xanthinol Nicotinate Injection. 目的建立烟酸占替诺注射液的细菌内毒素检查法。
In vitro activity assays confirmed that recombinant OsSET3 was a functional H3K9 methyltransferase while OsSET2 and OsSET4 were not. 利用大肠杆菌表达的OsSET2、OsSET3和OsSET4重组蛋白进行的体外活性检测实验证明OsSET3具有组蛋白H3K9的甲基转移酶活性，而OsSET2和OsSET4不具有该活性。
The massive researches on histone methyltransferase and effector proteins in recent years have increased our understanding of H3K4 methylation. 随着对组蛋白甲基化转移酶及相关作用蛋白研究的深入,人们对组蛋白H3第4赖氨酸的甲基化的功能也有了更深的了解。
Objective To explore the role of protein expression of DNA methyltransferase 1(DNMT1) in lung adenocarcinoma carcinogenesis and prognosis. 目的检测肺腺癌中DNA甲基转移酶1(DNMT1)蛋白水平的表达,探讨其在肺腺癌发生中的作用及其预后价值。
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied. 以 BTEAC(苄基三乙基氯化铵 )为相转移催化剂合成了异烟酸乙酯。
With 100% ammonium, reducing sugar, Cl and amylum were highest, and K/Cl, nicotin and K were lowest. 100%25铵态氮时，还原糖、氯含量、淀粉的含量最高，碱、钾、钾氯比最低，同时显著地降低烤烟的等级结构。
They found that HP1 proteins, which bind to methylated histones, also interact with the DNA methyltransferase, DNMT1, to stimulate its DNA methylation actiity. 他们还发现与甲基化组蛋白相结合的Hp1蛋白和DNA甲基转移酶（DNMT）即DNMT1之间也存在相互作用，它可激发DNA甲基化活性。
The nicotinate chromium yeast could obviously restore the structure of damaged islets of pancreas and B cells in experimental diabetes of ... 烟酸铬对实验性糖尿病小鼠受损胰岛及B细胞形态结构具有明显的改善作用。
Objective:To detect the expression of O6-methylguanine-DNA methyltransferase (MGMT),and it s effect of promoter hypermethylation on tumorigenesis and progression. 目的:检测大肠癌组织中O6-甲基鸟嘌呤-DNA甲基转移酶(MGMT)的表达情况及其在肿瘤发生发展中的作用和临床意义。
With 100% ammonium, reducing sugar, Cl and amylum were highest, and K/Cl,nicotin and K were lowest. 100%25硝态氮时，总氮、钾、氯在烟叶中的含量最低，吸收总量也最少，同时产量、产值、均价也处于最低水平；
Note that the overall reaction for this fermentation cannot involve the consumption of nicotin -amide coenzymes or citric acid cycle intermediates. 标明这个发酵的所有反应不包括尼克酰胺辅酶或者三羧酸循环中间产物的消耗。
CrCL3, CrNano, Cr piconiate (CrPic) and Cr nicotinate (CrNic) were dissolved to different concentration as 100,200,400,800,1600 ppb in 0.9% NaCl solution. 将氯化铬、纳米铬、吡啶羧酸铬和烟酸铬分别配制成5个浓度梯度：100、200、400、800、1000ppb，调节溶液Ph值到8.;5后，测定溶液中铬浓度。
The adsorption properties of nicotin by D001B macroporous strong acid resin from sulfuric acid solution have been investigated. 研究了硫酸溶液中D001B大孔强酸型树脂对烟碱的吸附性能。
Conclusion A kind of simple and speedy animal atherosclerostic model can be established by injecting with vitamine D3 and administering with nicotin based on high fat diet. 结论高脂饮食辅以维生素D3肌注和尼古丁灌胃是一种简单快速的大鼠动脉粥样硬化模型的复制方法。
Comparing to Candida albicans and Sacchromyces cerivisiae sterol methyltransferase,A. fumigatus Erg6p had 57% and 50% identity, and had 70% and 63% similarity in amino acid sequences,respectively. 其编码的蛋白与白念珠菌、酿酒酵母固醇甲基转移酶(Ers6p)的氨基酸相同率分别为57%25和50%25,相似率分别为70%25和63%25。
DNA methyltransferase inhibitor 5-Aza-CdR can induce demethylation in the promoter region of RASSF1A. It can also reverse epigenetic transcriptional silencing caused by methylation and induce the re-expression of RASSF1A in QBC-939. DNA甲基转移酶抑制剂5-Aza-CdR能够诱导RASSF1A基因启动子区域去甲基化,并通过该机制诱导RASSF1A基因在人胆管癌细胞系QBC-939中的表达。
Thiopurine methyltransferase (TPMT) plays an important role in the metabolism of 6-MP.This article reviews the literature on the role of TPMT measurement prior to treatment of IBD with AZA/6-MP. 硫嘌呤甲基转移酶(TPMT)是6-MP代谢的关键酶，本文综述IBD患者用AZA/6-MP治疗前检测TPMT的临床意义。