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The effect of AA on BEL-7402 was not significant; However, AA could effectively enhance AT-induced hepatocarcinoma cell apoptosis and lesion severity through activation of caspase-3 but not ERKs-Conclusion; Caspase-3 and ERKs proteins could involve in arsenic-induced hepatocarcinoma cell apoptosis and differentiation respectively as intracellular signaling molecules; The effect between AT and AA on hepatocarcinoma is synergistic, which further inhibits cell growth and induces apoptosis in human hepatocarcinoma cells through activation of caspase-3 but not ERRs.

AA对BEL-7402无明显的作用，但能有效的通过caspase-3而不是ERKs的激活促进AT对肝癌细胞的凋亡效应。结论：ERKs和caspse-3信号蛋白可能分别参与了砷剂诱导的人肝癌细胞促分化和凋亡效应，AT和AA对肝癌细胞的作用有协同性，他们通过caaspase-3而不是ERKs的激活进一步抑制了肝癌的生长，诱导其凋亡。

METHODS:(1) Neonatal rat cardiomyocyte hypertrophic response was assayed by measuring cell surface area and protein content;(2) ERKs activity was determined by Whatman Paper Filter method;(3) Intracellular free calcium concentration (［Ca2+］i) was measured using Fura-2/AM as a fluorescent indicator.

利用培养的新生大鼠心肌细胞，①以蛋白合成速率、蛋白含量及细胞表面积为心肌肥大反应的指标；②用滤纸法测定ERKs活性；③用Fura-2/AM作为钙荧光指示剂测定心肌［Ca2+］i浓度。

An increase in the free intracellular calcium concentration promotes exocytosis in most secretory cells.

细胞内自由钙浓度的增加促进大多数分泌细胞的胞吐作用。

The above results indicate that the release of CGRP evoked by ETX from the sensory fibbers of rat spinal cord is dependent on extracellular calcium. After entering into the cell through the N-type voltage dependent calcium channel, calcium binds to calmodulin, and triggers calcium release from intracellular calcium store by activating the caffeine-sensitive mechanism.

提示内毒素引起离体大鼠脊髓感觉神经纤维释放CGRP，依赖于细胞外〓的存在，〓主要通过N-型钙通道进入细胞后，与钙调蛋白结合，激活细胞内对咖啡因敏感的钙池〓释放，从而引起CGRP释放。

Although we have not a tool to directly modulate the cellular Cdc42/Rac activity at present, nevertheless, from the abolish of BDNF-triggered attraction by either DN-Cdc42 and CA-Cdc42, we propose that an intracellular Cdc42 activity gradient may also be sufficient to determine the turning direction, say, filopodia extend preferentially at the higher Cdc42 activity side, and the growth cone turn towards this direction in the hence.

虽然我们目前还没有一个直接操纵细胞内 Cdc42或其下游分子活性的方法，但从 DN-Cdc42和 CA-Cdc42均阻断到 BDNF 和 ryanodine 的吸引作用来看，我们推测， Cdc42的活性梯度很可能也能够决定生长锥转动方向，即丝状伪足在 Cdc42活性高的一侧优先延伸，生长锥朝向该侧转动。

A mathematical model was established to describe the freezing process of cells. The model includes the transportation of water and cryoprotectant across the membrane, the formation of intracellular ice and the growth of ice crystal.

建立了细胞冷冻过程的数学模型，该模型包括描述水和低温保护剂输运的方程、描述胞内冰晶形成的方程和描述冰晶生长的方程。

Therefore fullerene derivatives were demonstrated to be a good candidate that can play an important role in improving the intracellular drug uptake in the target cancer cells.

这表明了相关富勒烯的衍生物在增进目标肿瘤细胞的细胞内药物积累能够起到重要的作用。

Decreased intracellular level of Kv2.1 mRNA with RNA interference inhibited the decrease of IK current caused by forskolin and its protective effect for granule cell from apoptosis.

最新研究表明，细胞膜脂质成分的改变可以影响离子通道在细胞膜上的分布和电压门控特性。我们还观测了胆固醇对颗粒细胞IK型钾通道的影响以及凋亡过程的作用。

Decreased intracellular level of Kv2.1 mRNA with RNA interference inhibited the decrease of I_K current caused by forskolin and its protective effect for granule cell from apoptosis.

利用RNA干扰法减少Kv2.1 mRNA水平能够降低forskolin对I_K型钾电流的抑制作用，同时可以降低forskolin对颗粒细胞在低钾诱导凋亡下的保护作用。

Two oral insecticidal proteins, toxin Ⅰ and toxin Ⅱ, and another haemocoel insecticidal protein, toxin Ⅲ with injectable activity were purified from the intracellular protein extract by native_PAGE.

利用85%饱和度的硫酸铵盐析分别获得胞内蛋白提取物和上清液中胞外蛋白提取物，生测结果表明这两种蛋白提取物中都含有胃毒素和血腔毒素。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。