目的：研究周期性牵张力对人成骨细胞基因表达谱的影响。
Objective: To study the effects of cyclic tensile stress on the gene expression profiles of human osteoblasts in vitro.
表观遗传学研究的是不伴随遗传改变的同源细胞基因表达遗传变化。
Epigenetics refers to the study of clonally inherited changes in gene expression without accompanying genetic changes.
此外，我们还应用基因芯片技术研究了SBP对肝细胞基因表达谱的影响。
Furthermore, microarray was used for studying the change of gene expression profiles of hepatocyte in addition of SBP1.
果蝇细胞作为真核细胞基因表达的载体和受体系统是生物工程的一个重要研究内容。
As the vector and acceptor system of gene expression in eukaryote, Drosophila cells are an important aspect of bioengineering.
目的：利用差异显示法，分析生理浓度下雌二醇对小鼠骨髓巨噬细胞基因表达的影响。
AIM: by means of Differential Display analyzed the effect of estradiol by concentration of physiological on gene expression of the bone marrow macrophage.
目的研究重组睫状神经营养因子(CNTF)对受损周围神经施万细胞基因表达的作用。
Objective to study effects of recombinant ciliary neurotrophic factor (CNTF) on gene expression of Schwann cells in the injured peripheral nerves.
目的辐射能诱导细胞基因表达的改变，机体辐射损伤效应是大量基因表达变化的结果。
Aim radiation can induce changes in gene expression in mammalian cells, and the radiation injury in an organism is also related to the expression changes of many genes.
目的运用基因芯片技术研究人参总皂甙(TSPG)作用后K 562细胞基因表达谱的变化。
Objective to investigate the effect of the total saponin of Panax ginseng (TSPG) on gene expression profile of K562 cells using microarray technique.
目的：通过基因芯片技术研究薯蓣皂苷对乳腺癌细胞基因表达的影响，初步探索药物作用的靶基因。
Objective: to study the effect of dioscin to breast cancer cytogene expression by cDNA microarray technique, and to explore target genes of drug action initially.
基因芯片技术建立颅内动脉瘤患者血液单核细胞基因表达谱，筛选与信号传导相关的基因表达情况。
To identify signal transduction-related genes in peripheral blood mononuclear cells from intracranial aneurysm patients using oligo-microarrays.
为了证明是否捐赠的细胞基因表达类型确实持续存在，麻省研究小组对诱导多能干细胞基因型一致的大鼠细胞进行了研究。
To discover whether donor cell patterns of gene expression truly persisted, the MGH team studied cells from genetically identical mice originally generated from iPSCs.
基因芯片技术是一种高通量的研究手段，可以在同一时刻对成千上万个基因的表达情况进行分析，形成完整的细胞基因表达谱。
DNA microarray technology is a high throughout method that can analyze the expression of thousands of genes at the same time to form a complete cellular gene expression profile.
答案是特定细胞中只有一小部分基因在特定的时间被表达或使用。
The answer is that only a small subset of the genes in a particular kind of cell are expressed, or turned on, at a given time.
但是，病毒知道他们的宿主- - -它们可以不被发现的侵入细胞，关掉警报系统，削弱细胞决定自身基因表达的权威。
But viruses know their hosts well-they can break into cells undetected, switch off alarm systems, and undermine the cell's authority in deciding which genes get expressed.
在哺乳动物细胞里，启动子是一个包含着许多蛋白质结合位点的复杂区域，它调节基因的表达。
In mammalian cells, the promoter is a complex region containing binding sites for many proteins that regulate gene expression.
之所以这样说是因为这些基因编码的并不是能够在人类细胞中表达并且调控某些生物过程的蛋白质。
This is because they code for something other than the proteins that are expressed in human cells and that regulate biological processes.
所有被感染的细胞都具有了该基因的复制本，从而制造出更多的表达产物。
All the infected cells had additional copies of the gene, and thus made more of its product.
不同的基因是如何以适当的组合方式来开始(表达)或停止(沉默)自己的工作，从而制造心脏、骨骼以及脑部细胞呢？
How do different genes get turned on (" expressed ") or off (" silenced ") in just the right combinations to produce heart cells, bone cells and brain cells?
一些通常在发育胚胎中活跃的基因会被分化细胞(比如皮肤细胞)表达，促使细胞回复到未分化状态。
A handful of genes that are normally active in the developing embryo are expressed in a differentiated cell, such as a skin cell, causing that cell to revert back to its undifferentiated state.
下面的视频是关于在癌症细胞里的常规基因表达是如何进行组蛋白乙酰化作用(acetylationofhistone)的。
Here's a video that animates the acetylation of histone proteins in the regulation of gene expression in cancer cells.
他们向白鼠大脑中植入了负责表达一种光激活海藻蛋白的基因，使得光激活海藻蛋白进入大脑的神经细胞。
They inserted a gene for a light-activated algal protein into mice brains, where it entered nerve cells.
有的情况下，细胞不管怎样还是维持正确的量；别的情况下，CNVs对调控另外的基因表达的DNA区域有影响，使问题更加复杂。
Sometimes cells make the correct amount anyway; other times CNVs affect DNA regions that regulate the expression of still other genes, making the problem more complicated.
研究人员通过这些测试发现SAHA将休眠艾滋病毒细胞的基因表达提高了五倍。
These tests have found that it increases the expression of dormant HIV genes fivefold.
例如，电路可以模拟出乳糖代谢基因与调节细菌细胞内乳糖代谢基因表达的转录因子之间的互动过程。
For example, circuits can simulate the interactions between genes involved in lactose metabolism and the transcription factors that regulate their expression in bacterial cells.
以肉眼看起来，大脑里的肉挺均匀，但实际上它充满各种各样的细胞类型，根据其所在的确切位置，每个类型由不同的基因组表达。
The brain might look homogenous to the naked eye, but it's actually filled with an array of cell types, each of which expresses a distinct set of genes depending on its precise location.
面临感染时，它们向问题细胞发出信号，来调节特殊基因的表达与不表达。
They do so by feeding the cells in question signals that cause them to switch particular genes on or off in response to infection.
研究设计。探讨在体外培养受到循环的机械牵张力作用的大鼠脊髓细胞神经营养因子和受体基因表达的实验研究。
Study Design. An experimental study to investigate the in vitro gene expression of neurotrophic factors and receptors in cultured rat spinal cord cells subjected to cyclic mechanical stretch forces.
Yamanaka通过对老鼠进行实验发现有一组转录因子可以改变基因的表达方式，让这些基因说：“我就是胚胎干细胞”。
What Dr Yamanaka discovered in his work on mice was a group of transcription factors that switched on the pattern of gene expression which says, “I am an embryonic stem cell.”
Yamanaka通过对老鼠进行实验发现有一组转录因子可以改变基因的表达方式，让这些基因说：“我就是胚胎干细胞”。
What Dr Yamanaka discovered in his work on mice was a group of transcription factors that switched on the pattern of gene expression which says, “I am an embryonic stem cell.”
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