目的观察大剂量睾酮对雌性小鼠肾脏酶细胞化学的影响。
Objective to observe the effect of large dose testosterone on cellular enzyme activities of female mice kidney.
方法采用组织块培养法培养羊膜细胞，酶消化法对细胞进行传代，应用免疫细胞化学的方法对细胞进行鉴定。
Methods Amnion cells from human were cultured with tissue piece method, passaged by trypsin digestion and identified with immunocytochemistry.
光感受器是通过发出化学信号来对光作出反应的细胞。
Photoreceptors are cells that respond to light by sending out a chemical signal.
有迹象表明，多效性植物激素实际上可能通过激活酶来发挥作用，这些酶从细胞壁释放出这些更为特殊的化学信使。
There are indications that pleiotropic plant hormones may actually function by activating the enzymes that release these other, more specific chemical messengers from the cell wall.
这种化学腺苷是脑细胞活跃时释放的。
The chemical adenosine is released by brain cells when those cells are active.
但当我们用化学方法分析这些细胞时，我们发现了一些非常有趣的东西，其中有一种化学物质，是一种叫做端粒酶的酶。
But when we analyze these cells chemically, we find something very interesting, a chemical in them, an enzyme called telomerase.
在常见的瘙痒中，比如蚊虫叮咬，皮肤细胞会释放一种叫做组胺的化学物质。
In a common itch like a mosquito bite, cells in the skin release a chemical called histamine.
在活细胞里催化化学反应的蛋白质。
A protein that catalyzes chemical reactions in living cells.
研究人员目前还在老鼠身上试验那些对鱼类毛细胞有保护作用的化学物质。
Those chemicals found to confer protection on fish hair cells are currently also being tested on mice and rats.
沙佛博士说：“三磷酸腺苷就像细胞中储存化学能量的小电池。”
“It’s like a little battery that carries chemical energy within cells,” said Dr. Scharf.
将干细胞浸在化学溶液中可以促进细胞的扩散。但科学家称这种方法效果不佳。
Stem cell expansion can be boosted by immersing the cells in chemical solutions, but the scientists said these methods were limited in their effectiveness.
新的研究表明，答案可能就在于羟色胺，一种神经递质，神经细胞所发送的化学邮件。
New research shows that the answer may lie in serotonin, a neurotransmitter, or chemical messenger produced by nerve cells.
对DNA的化学表弟分子RNA链作为使者，携带订单到细胞的蛋白质工厂，并将其转化为行动。
Strands of DNA's chemical cousin RNA served as molecular messengers, carrying orders to the cells' protein factories and translating them into action.
这两种被称为“玻璃粉”的氨基酸物质压缩时可以形成蛋白质，并形成用于帮助细胞生成黏膜屏障的化学物质。
These are amino acids, the "beads" that form proteins when strung together, and chemicals needed to allow cells to create a membrane barrier.
在新研究中，科学家们证明了自身胰岛素生产细胞被化学性破坏的动物可在植入物的帮助下继续存活。
In the new research, scientists showed that animals whose own insulin producing cells were chemically destroyed could survive with the implant.
其原理是动物蛋白和脂肪对单个细胞及整个身体的化学效应。
The basis for this lies in the chemistry of the effects which animal proteins and fats have on the individual cells as well as the whole body interactions.
Nedergaard说，旋转针炙针似乎对组织造成了足够的破坏，从而使细胞释放出止痛的化学物质。
Nedergaard said that twisting the needles seems to cause enough damage to make cells release the painkilling chemical.
能够破坏真菌的化学物质也倾向于损害人类细胞，所以很难在不伤害宿主的情况下消除这种感染。
The chemicals that damage fungi tend to damage human cells as well, so it's hard to attack such infections without harming the host.
这些都是大脑神经细胞用来与人交流的化学物质。
These are chemicals used by nerve cells in the brain to communicate with each other.
十年来，科学家一直在试图破解他们所称为的人类“表观基因组”，即所有200种人类细胞中的化学开关模式。
For a decade, scientists have been trying to decipher what they call the human "epigenome", or the pattern of chemical switches in all 200 types of human cell.
这意味着开始了刺激其他T细胞生长并增殖的秘密化学过程，这其中包括破坏被感染细胞的杀伤T细胞。
This means that it starts secreting chemicals that stimulate the growth and multiplication of other T-cells, including the killer Tcells that destroy infected cells.
这些电流促使思维区域分泌使大脑细胞生长或变异的化学物质。
The electric current triggers the area to produce chemicals that cause brain cells to develop or change.
但与正常小鼠不同，那些使用改变巨噬细胞的表明免疫炎症症状，像在胰岛素产生的变化那样，高水平免疫化学物，和在它们腹部脂肪中的巨噬细胞。
But unlike the normal mice, those with altered macrophages showed no signs of inflammation, such as changes in insulin production, high levels of immune chemicals, and macrophages in their belly fat.
就像辣椒一样，外用时能消耗传送疼痛信号到大脑的神经细胞中一种称为P物质的化学物质。
Like cayenne pepper, it has the ability to deplete nerve cells of substance p, a chemical that transmits pain signals to the brain, when used externally.
处于干细胞形态的一种化学物质鸡尾酒曾经被用来将细胞培育成新的细胞类型。
Once in a stem cell-state, a cocktail of chemicals was used to make the cells develop into a new cell type.
专家们认为香烟中的有毒化学物质灰损害毛囊中的基因，同时产生破坏细胞的自由基。
Experts think the toxic chemicals in smoke can damage the DNA in hair follicles and generate cell-damaging free radicals as well.
离子通道位于细胞外膜，使带电荷原子(即化学术语中的离子)可以进出细胞。
Ion channels sit in a cell's outer membrane and let electrically charged atoms (ions, as they are known in chemical jargon) in and out of the cell.
离子通道位于细胞外膜，使带电荷原子(即化学术语中的离子)可以进出细胞。
Ion channels sit in a cell's outer membrane and let electrically charged atoms (ions, as they are known in chemical jargon) in and out of the cell.
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