查询词典 caliciform cells

The expression changes of relating-apoptosis gene proteins (bcl-2, bax) were detected by immunohistochemistry before and after treating with the Agaricus Blazei Murill extract to explore the possible mechanisms of inducing apoptosis for MGC-803 cells in vitro. Results: The Agaricus Blazei Murill extract significantly inhibited the proliferation of gastric cancer cells in vitro and the inhibitive effects were depended on the medicine concentration and treating times. After treating 24 hours on the gastric cancer cells with the morphologic changes of apoptosis with chromatin margination, karyopyknosis, karyorrhexis were found by the light.

结果：(1)通过细胞培养和MTT法，表明长白山姬松茸在体外对MGC-803细胞株有明显的抑制作用，加药组与对照组相比其生长抑制率有显著性差异(P＜0.01)，而且这种抑制作用呈现浓度和时间的依赖性；(2)通过集落形成率的测定结果表明，加药组与对照组相比其集落形成率和集落形成抑制率有明显差异(P＜0.01)，说明长白山姬松茸对MGC-803胃癌细胞株有明显抗增殖作用；(3)光镜观察结果表明，加药组可见细胞脱水浓缩伊红染色增强，胞体缩小，内含高度浓缩的胞核呈深蓝色等典型细胞凋亡形态；经AO／EB荧光染色观察结果表明，当终浓度为1.0mg／ml的姬松茸提取物作用于MGC-803胃癌细胞24h后，其凋亡率和破膜率与自然凋亡率与破膜率相比，均有显著性差异，其凋亡率86.3％(P＜0.001)，破膜率为41.6％(P＜0.01)，说明姬松茸确实有诱导MGC-803胃癌细胞凋亡的作用，同时也有细胞毒作用，但以诱导细胞凋亡为主；(4)免疫组化结果表明，用药前后凋亡相关基因的BCl-2、Bax蛋白均有显著性的改变(P＜0.001)。

After 4 days of serum deprivation, CPR-293 cells exhibited substantial nuclear condensation and fragmentation DNA laddering but HO-1/CPR-293 cells was not apparent. Thus HO-1 expression is sufficient to protect cells from serum deprivation-induced apoptosis. In the experiment, we used primary cultures of from HO-1 fibroblasts and their wild-type littermates fibroblasts CPR-293 cell and HO!

2生理加压诱导细胞凋亡我们用稳定的CPR细胞株和HO1和CPR在一起的细胞株实验，当浆液丢失4天后，CPR-293细胞表现出有实质的核浓缩和DNA梯状条带的形成，而HO1/CPR-293细胞则没有，显示HO1是充分保护细胞，避免在浆液丢失情况下而诱导的细胞凋亡。

The distribution density of oil cells, the distribution types of oil cells and mucilage cells and their localization in the mesophyll are of some taxonomic value at the specific level in the Lauraceae.

油细胞的分布密度、油细胞与粘液细胞是否共存、是否单独存在或无，以及其具体分布部位等方面在种间存在一定的差异，这对于属以下等级的区分具有一定意义。

In addition, SW480 and HCT116 cells were treated with deoxycholic acid for 15, 30, 45, 60, 90 and 120 minutes. It was found that the deoxycholic acid treated cells showed an elevation of ATP activity by 12.35 %, 20.08 %, 29.69 %, 33.56 %, 45.85 %, 54.32 %, respectively. While the HCT116 treated cells, showed an elevation of ATP activity by 3.69 %, 5.59 %, 8.52 %, 12.26 %, 16.52 %, 19.71%, respectively.From the experiments conducted using the cell lines described above, it was further confirmed that genes CYP7A1 (cytochrome P450, family 7, subfamily A, polypeptide 1), AKR1D1 (aldo-keto reductase family 1, member D1), ALDH1A1 (aldehyde dehydrogenase 1 family, member A1), BAAT (bile acid Coenzyme A: amino acid N-acyltransferase), ABCA1 (ATP-binding cassette, sub-family A, member 1), APOC3 (apolipoprotein C-III), LIPA, LIPE (lipase, hormone-sensitive), PTGER2 (prostaglandin E receptor 2) and PTGS2 (prostaglandin-endoperoxide synthase 2) were up-regulated.

此外，为了证实其脂肪代谢产物胆酸对细胞癌化的影响，亦使用SW480和HCT116细胞株，经由脱氧胆酸在15分钟、30分钟、45分钟、60分钟、90分钟和120分钟处理后，其细胞增生比率分别有12.35%，20.08%，29.69%，33.56%，45.85%和54.32%(p.05)以及3.69%，5.59%，8.52%，12.26%，16.52%和19.71%(p.05)上升情形，并从这些细胞株进一步证实CYP7A1(细胞色素P450-7A1)、AKR1D1(醇醛酮还原酶-1-D1)、ALDH1A1(醛脱氢酶-1-A1)、BAAT(胆酸辅酶A：氨基酸N-醯基转移酶)、ABCA1(三磷酸腺苷结合盒转运体A1)、APOC3、LIPA、LIPE(脂肪酶/激素敏感脂肪酶)、PTGER2(前列腺素E受体2)和PTGS2(前列腺素内过氧化物合成酶2)等基因表现皆有呈现向上调控的情形。

L To observe the expression rule of miRNA when the lipocyte stem cells differentiated into cartilage cells or bone cells in different micro-environment and stages by in vivo tests and in vitro study.

通过体内、外试验，观察不同环境、不同阶段家猪脂肪干细胞向软骨、成骨方向分化时miRNA表达的规律。（3）研究双层一体Collagen/TCP影响家猪脂肪干细胞 miRNA表达的变化，并验证与鉴定成软骨、成骨分化相关的miRNA。

BACKGROUND: Lipopexia induced by glucocorticoid is fat precipitation in marrow due to abnormal lipometabolism, or differentiation of cells resulting from hormone-affected bone marrow mesenchymal cells. The precise generating procedure remains unclear. OBJECTIVE: To investigate effects of various concentrations of dexamethasone on adipogenic differentiation of bone marrow mesenchymal cells.

背景：糖皮质激素引起的髓内脂肪蓄积是由机体脂肪代谢异常在髓内形成的脂肪沉淀，还是由于激素直接作用于骨髓间充质细胞使细胞发生了分化，以及具体生成的过程目前还没有定论。

Hours after operation, most nerve cells disappeared and the glial cells were degenerated. There were many mono-nucleus cells infiltrating in transplantation group while a few in control group. One week after operation, tissues in the infarction zone were liquescent with many monocaryons and lymphocytes infiltrating around them in control group.

术后48 h神经细胞大片消失，胶质细胞变性，自体骨髓干细胞移植组有大量单个核细胞浸润，对照组相对较少。1周后对照组梗死区脑组织液化变软，坏死灶周围可见较多的单核和淋巴细胞浸润；自体骨髓干细胞移植组大鼠部分坏死灶被新生毛细血管和胶质细胞增生修复，炎性细胞浸润不明显。

The percentage of TGF-β〓 positive cell in the pancreatic cancer tissue (43.8±5.2)％ was significantly higher than that in adjacent pancreatic tissue (28.7±3.6)％, P＜0.05. The worse the cancer cells differentiated and lymphy node metastasis, the more over-expression of TGF-β〓. 2. The percentage of Tr positive cell in the pancreatic cancer tissue (41±4)％ was significantly higher than that in adjacent pancreatic tissue (23±3)％, P＜0.05. The worse the cancer cells differentiated and lymphy node metastasis, the more over-expression of Tr, but the expression of Tr protein was not correlated with lymphy node metastasis (P＞0.05). 3. The percentage of β-GCD positive cell in the pancreatic cancer tissue (62.5± 4.1)％ was significantly higher than that in adjacent pancreatic tissue (33.5±2.8)％, P＜0.05. The worse the cancer cells differentiated and lymphy node metastasis, the more over-expression of β-GCD in pancreatic cancer tissue, but the expression of β-GCD protein was not correlated with lymphy node metastasis. P＞0.05. 4. the expression of β-GCD was significantly correlated with TGF-β〓 and Tr in the pancreatic cancer tissue.

结果如下：1、胰腺癌组织TGF-β〓阳性细胞百分率(43.8±5.2)％明显高于癌旁胰腺组织(28.7±3.6)％，P＜0.05；且癌细胞分化愈差或有淋巴结转移TGF-β〓过度表达愈多。2、胰腺癌组织Tr阳性细胞百分率(41±4)％，明显高于癌旁胰腺组织(23±3)％，P＜0.05；且不同分化程度胰腺癌组织Tr表达强度不同，分化程度愈低，表达强度愈高，P＜0.05；但胰腺癌Tr表达强度与淋巴结是否转移无关，P＞0.05.3、对于胰腺癌组织TGF-β〓和Tr表达，检测胰腺癌组织(32例)β-GCD阳性细胞百分率分别为(62.5±4.1)％或(62±4)％，分别明显高于癌旁胰腺组织β-GCD阳性细胞百分率(33.5±2.8)％或(43±3)％，P＜0.05；不同分化程度胰腺癌组织β-GCD表达强度不同，分化程度越低，表达强度越高，P＜0.05；但胰腺癌组织β-GCD表达强度与淋巴结是否转移无关，P＞0.05.4、TGF-β〓、Tr和β-GCD在胰腺癌组织中的表达随着分化程度的改变，呈现一致性的关系，而且TGF-β〓与淋巴结转移有关，Tr和β-GCD与淋巴结是否转移无关。

It is concluded that CIK cells have high lytic activity against 7721 hepatocellular carcinoma cell line,which can be enhanced by co-culture with DC. DC-CIK cells are highly effective immune cells.

DC与CIK共培养细胞是一种增殖活性和细胞毒活性均高于CIK细胞的免疫活性细胞。

Natural monoclonal antikeratin antibody IgM 3B4 can inhibit the adhesion of Candida albicans to the malpighian cells, human buccal epithelial cells and endothelial cells of fetal umbilical vein, and decrease the invasion of Candida albicans due to its inhibitory action on the formation of Candida albicans germ tube,which indicates that natural antibody IgM plays a role in the natural immunity against yeast infection.

单克隆天然抗角蛋白抗体IgM 3B4在体外能够抑制白念珠菌芽管形成，能够抑制白念珠菌与人角质形成细胞、人口腔黏膜上皮细胞、胎儿脐静脉内皮细胞的粘附，从而降低白念珠菌的侵袭力，提示天然抗体IgM在机体抗真菌感染的天然免疫中可能具有积极的作用。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。