H4

The new factor H4 affecting high jump achievement is found in 4H system .

从4H体系中找到了影响跳高成绩的新因素H4。

Objective To review the research on histamine H4 receptor ligands .

目的：阐述组胺H4受体配体的研究进展。

An Approach of Measurement of Calcium Influx in H4 ⅱ E Cell Line

大鼠肝癌细胞系H4-ⅡE钙内流的检测方法

Horizontal Drilling Techniques in H4 Three-dimensional Bypass Staggered Well

H4三维绕障阶梯式水平井钻井技术

Objective : To study the antitumor activity of compounds H4 in vitro and in vivo .

目的研究化合物H4的体内外抗肿瘤活性。

Conclusions : Compounds H4 exhibited significant antitumor activity in vitro and in vivo .

结论化合物H4具有较强的体内、外抗肿瘤活性。

Conclusion HO system may play a protective role in H4 cell DNA damage induced by domoic acid .

结论软骨藻酸能诱导H4细胞DNA损伤，HO系统对这种损伤有一定的保护作用。

The thread rolling tap is made by tool steel or alloy , the precision is H4 .

是指用工具钢、合金钢制造的滚牙（或切牙）丝锥，精度为H4。

H4 . Customers'trust in an ISP provider will positively affect their overall satisfaction .

顾客对ISP的信任会积极影响他们的总体满意度。

Phylogenetic Analysis of the Surface Glycoprotein Genes of Three H4 Avian Influenza Virus Isolates from Water Fowl

H4亚型家养水禽流感病毒分离株的表面膜蛋白基因的序列测定和遗传进化分析

Aim : To study whether doxorubicin could increase the H4 glioma cell death induced by TRAIL and investigate the underlying mechanism .

目的：探讨阿霉素联合TRAIL对人神经胶质瘤H4细胞增殖的影响。

Effects of domoic acid on amino acid release and intracellular free Ca ~ ( 2 + ) in H4 Cell

软骨藻酸对H4细胞氨基酸释放和Ca~（2+）浓度的影响

Objective To study the role of heme oxygenase system ( HO ) in H4 cell DNA damage induced by domoic acid .

目的研究血红素氧化酶（HemeOxygenase，HO）系统在软骨藻酸（domoicacid，DA）对H4细胞DNA损伤中的作用。

Comparison of the rates of inactivation and intrinsic fluorescence changes of lactate dehydrogenase H4 during guanidine denaturation

猪心乳酸脱氢酶（H4）在盐酸胍变性过程中失活与内源荧光变化速度的比较

Histones H3 and H4 are two of the five main histones that regulate the structure of chromatin .

组蛋白H3和H4是5个主要的组蛋白中的两个，这五个组蛋白调节染色质结构。

The repressive mark was composed of three methyl groups attached to a lysine on the H4 histone .

抑制性标记由3个甲基基团组成，结合到组蛋白H4的一个赖氨酸残基上。

Human genome DNA was extracted then as template , human histone H4 gene ( 346 bp ) was amplified by PCR .

提取人染色体DNA作为模板，利用一对设计引物扩增获得了人组蛋白H4基因片段（316bp）；

Purpose To construct eukaryotic expression vector with α 7 cDNA and express the gene in hu-man neuroglioma H4 cells .

目的构建一个含α7cDNA的真核表达载体，并在人神经胶质瘤细胞H4中进行表达。

α 7 could be expressed effectively and stably in H4 cells . However , it was mainly within the plasma and not suitable for direct functional studies .

α7在H4细胞中有高效、稳定的表达，但表达部位主要在细胞内，不适合进一步的功能研究；

The Effects of Chronic Iodine Excess on Thyroid Function and Structure in Autoimmune-prone NOD . H-2 ~( h4 ) Mice

慢性碘过量对具有自身免疫性甲状腺炎遗传倾向的NOD.H-2～（h4）小鼠甲状腺功能和形态影响的实验研究

Study on the frequency of alpha-1 , 2-fucosyltransferase gene h4 allele ( C35T ) in Chinese population

中国人群中α（1,2）岩藻糖基转移酶基因C35T变异的频率研究

However , the repressive methyl groups on the H4 histone caused the arrays of nucleosomes to become significantly more compacted .

但是，组蛋白H4上的抑制型甲基基团，使核小体的排列更加紧密。

The expression of acetyl histone H3 and H4 , P300 , P53 and c-myc protein were tested by western blot .

蛋白免疫印迹法检测乙酰化组蛋白H3、H4、P300、P53、c-myc蛋白的表达。

Conclusion TRAIL could effectively induce the apoptosis of H4 glioma cells by activating the " caspase cascade " in which the caspase-8 played an important role .

结论TRAIL可有效的诱导H4神经胶质瘤细胞凋亡；caspase-8在H4瘤细胞的凋亡过程发挥着重要作用，TRAIL可能是通过激活caspase系统而诱发H4瘤细胞凋亡的。

The Effect of Curcumin on Expression of P300 , P53 , c-myc and Acetyl Histone H3 , H4 in the Gastric Cancer Cell

姜黄素对胃癌细胞P300、P53、c-myc及乙酰化组蛋白H3和H4表达的影响

H4 acetylation is related with euchromatin formation and switches on transcription , while H3 dimethylation acts in the opposite way .

H4的乙酰化可促进常染色质的形成和转录的进行，而H3K9二甲基化作用则相反。

Conclusion The histone H4 deacetylation at the ISRE site is related with the activation of IP-10 by IFN-gamma .

结论组蛋白去乙酰化酶引起的组蛋白H4去乙酰化与干扰素γ激活IP-10基因有关。

More than 1 / 4 ( 11 / 40 ) negatively charged amino acids , only two positively charged amino acids present the H1 ~ H4 region .

H1～H4螺旋区域含有多于1/4（11/40）带负电荷的氨基酸和2个带正电荷的氨基酸。

The acetylation of histone H4 during spermatogenesis

精子发生过程中组蛋白H4乙酰化修饰

An absolutely stable high-order difference scheme with high accuracy for solving Schrodinger equation is established in this paper . Its order of local truncation is O (τ 2 + h4 ) .

本文对Schrodinger方程构造了一个高精度绝对稳定的隐式差分格式，其截断误差阶为O（τ~2+h~4）。