查询词典 dendritic

It has been shown, however, that in terms of immune function, a transitional stage of dendritic cell maturation exists between immature myeloid dendritic cells and mature dendritic cells, which were named semimature dendritic cells.

新的研究发现一种半成熟树突状细胞亚群，其高表达主要组织相容性复合体Ⅱ、中等表达CD40、CD80和CD86等分子，在自身免疫性疾病中表现出诱导免疫耐受的潜能，其与未成熟树突状细胞一道被认为是致耐受细胞。

The role of ASIC channel in dendritic development in hippocampai neuron Regulated growth and arborization of dendritic processes are critical to the formation of functional neuronal networks.However,the role of ASICs in dendritic development is still elusive.

酸敏感离子通道在海马神经元树突发育中的作用树突的生长和分支对功能性神经网络的形成非常重要，然而有关ASICs在树突发育中的作用则鲜有报道。

These dendritic NOBIN derived Schiff base ligands have been applied to titanium catalyzed hetero-Diels-Alder reaction of Danishefshy's diene and aldehydes, affording the corresponding 2-substituted 2, 3-dihydro-4H-pyran-4-one in quantitative yields and excellent enantioselectivities (up to 97. 2%ee). Comparing the reactivities and enantioselectivities of reaction catalyzed by the titanium complexes of these Schiff base ligands, it was found that a series of ligands L〓 were superior to the other three series of ligands L〓, L〓 and L〓, a significant positive NLE and a dendrimer effect existed in the L〓 dendritic catalyst system. The disposition of the dendritic wedges and the dendron size in the ligands were observed to have a significant impact on the enantioselectivity of the reaction.

NOBIN衍生的树枝状大分子希夫碱手性配体与钛形成的配合物在催化不对称杂Diels-Alder反应中的应用将得到的四个系列NOBIN衍生的树枝状希夫碱三齿手性配体与四异丙氧基钛形成的配合物用于催化Danishefsky's diene与醛的不对称杂Diels-Alder反应，通过反应条件的优化，获得了定量的收率和最高达97.2％ee值的对映选择性；考察了这四个系列NOBIN衍生的树枝状希夫碱钛配合物的催化活性和对映选择性，结果发现它们的活性次序依次为L〓≈L〓＞L〓＞L〓，对映选择性次序依次为L〓＞L〓＞L〓＞L〓。

The results show that with the increase of strain rate, the grain sizes of thermal simulation AZ31B alloys with different deformation all decrease; however, when other conditions are the same, the higher deformation will lead to the formation of the smaller grain size, and as the cooling intensity decreases, typical cast structure of AZ31B will appear. With the decrease of roll casting temperature, the dendritic size of roll casting AZ31B alloy sheet prepared by the same strain rate is also reduced, but with the increase of strain rate, the dendritic size of the alloy sheet prepared by the same initial roll casting temperature is decreased, and the tendency of dendritic streamline is strengthened. During the roll casting process of AZ31B alloy, rolling force should not be large, otherwise it will cause heat cracking.

研究结果表明：在不同应变量下，热模拟样品的晶粒粒度均随应变速率的增加而减小，而当其他条件相同时，变形量越大晶粒粒度越小，冷却强度降低，合金呈典型铸态组织；利用铸轧技术生产的AZ31B合金，当应变速率一定时，随着初始铸轧温度的降低，铸轧态板材的树枝晶粒度逐渐减小；而在初始铸轧温度一定时，随着应变速率的增大，铸轧态合金板材的树枝晶粒度也逐渐减小；而随着应变速率的提高，树枝晶沿轧向呈流线状排列的趋势增强；在AZ31B合金铸轧过程中，轧制力不能太大，否则容易引起热裂。

ABSTRACT Antitumor Activity of Dendritic Cells Activated with gP96 Peptide Complex Department of Thoracic Surgery, Peking University People's Hospital Objectives: To investigate the expression level of gP96 in human lung cancer samples; purify gP96-polypeptide from human and mouse lung adenocarcinoma cell lines; prepare tumor vaccine by in vitro gP96-polypeptide stimulation of monocyte-derived dendritic cells and test its efficiency both in vitro and in mice models.

研究人肺癌组织热休克蛋白gP96—多肽复合物的表达水平；肺癌细胞株来源的肿瘤组织gP96—多肽复合物的提取和鉴定；外周血来源树突状细胞培养和鉴定：将gP96—多肽复合物和DC体外共同孵育制备疫苗，在体外激活T淋巴细胞的能力及在小鼠体内的抑制肿瘤生长作用的研究。

Dendritic cells are the most potent antigen presenting cells, which are named for their stretching out many dendritic or pseudopodial apophysis in maturation.

树突状细胞是体内功能最强的专职抗原呈递细胞，因成熟时伸出许多树突样或伪足样突起而得名。

However, the advance of intracellular labeling techniques enables us not only to visualize more complete dendritic arbor for qualitative ahalysis, but also to examine the relation between changes in the dendritic arborization and the evoked fast postsynaptic curents in the same neurons during the postnatal development.

但是，细胞内染色技术的进步使我们不仅能观察到更完整的树突分支来用于定性研究，而且也可以在同一神经元上研究在发育过程中树突分支的变化与诱发的快突触后电流（fast postsynaptic currents，fPSCs）之间的关系。

RESULTS: In the physiological saline group, the dendritic cells developed into dendritic arborization with large size in subcircular, polygon or star-shapes.

结果：生理盐水组树突状细胞树突分支增加、增粗、近圆形，体积较大，多角形或具有特征性的星形。

In the present study we transfected F-GFP into cultured hippocampal neurons at 5 days in vitro(DIV 5).Then ASICs antagonists were applied to the neuronal medium to inhibit the function of ASICs.Dendritic growth and arborization of cultured hippoeampal neuron were observed in DIV8 and DIV14. We attempted to determine whether and how ASICs regulate dendritic development.

在本研究中，我们在体外培养第五天(days in vitro，DIV5)的原代海马神经元中转染定位在膜上的GFP，随后加入ASICs拮抗剂抑制ASICs的功能，观察DIV8和DIV14这两个时间点海马神经元的树突生长、分支复杂程度，来研究酸敏感离子通道是否会影响海马神经元的树突发育。

We attached for the first time -NOBIN to Frechet-type dendron units. The syntheses of 16 kinds of dendrimer-based NOBIN Schiff-base ligands were achieved in a straightforward manner by simple condensation of -NOBIN with the corresponding salicylicaldehyde derivatives, of which 12 belong to the dendritic Schiff-base ligands and 4 belong to the non-dendritic Schiff-base ligands.

通过手性拆分获得了光学纯化合物NOBIN，首次将NOBIN手性单元连接到树枝状大分子中去，设计合成了四个系列16种新的NOBIN衍生的希夫碱三齿手性配体，其中4种为非树枝状手性希夫碱配体，12种为树枝状手性希夫碱配体。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。