查询词典 directional differentiation

BACKGROUND: Bone marrow mesenchymal stem cells possess the potential in multi-directional differentiation and can differentiate into cardiomyocytes, which had self-discipline jumpiness.

姚 巍1，王凤芝2山西医科大学第二医院，1干六楼心血管组，2心内科，山西省太原市 030001

Methods Primary metanephric mesenchyme stem cells were cultivated and multi-directional differentiation was induced.

方法原代分离培养后肾间充质干细胞，在体外特定诱导条件下观察细胞向成骨细胞、脂肪细胞及肾小管上皮细胞的分化及其形态演变，采用细胞免疫荧光检测细胞表面特定蛋白的表达变化。

PartⅠTheoretical Research MSCs is stem cells capable of multi-directional differentiation arising from mesoblast, which principally lies in stroma of connective tissues and organs, especially abundant in marrow, even divorted from fetal umbilic blood, differentiates into osteocytes, chondrocytes, tendon cells, myoctes, nerve cells, adipose cells and hematopoiesis stromal cells and so on.

理论研究间充质干细胞(mesenchymal stem cells，MSCs)是中胚层来源的具有多向分化能力的干细胞，主要存在于全身结缔组织和器官间质中，以骨髓组织中含量最为丰富，胎儿脐血中亦可分离得到。

BACKGROUND: Based on the multi-directional differentiation potential,the combined application of proper biological materials and growth factor can repair tissue defect.

背景：利用骨髓间充质干细胞的多方向分化潜能，选择合适的生物材料和适当的生长因子联合应用，可达到修复组织缺损的目的。

MethodsNeural tubes isolated from the region between midotic placode and third somite of mouse embryo at ED 8.5d were cultured in DMEM/F12 serum-free medium containing basic fibroblast growth factor and epidermal growth factor. The cell cycle of CNCCs was analyzed with flow cytometry, the proliferation capability was determined by MTT method, AP-2α expression was detected by immunocytochemistry as a biological marker of cardiac neural crest cells. The features of migration, multi-directional differentiation were observed as well.

材料与方法成年2月龄C57／BL6小鼠交配，取ED8.5d小鼠胚胎枕中部至第3体节神经管，应用包含碱性纤维生长因子和表皮细胞生长因子的无血清培养基培养，利用MTT法检测细胞增殖能力，利用流式细胞仪检测细胞周期，采用转录激活因子2α(AP-2α，Activator protein-2α)作为其生物学标记物，观察其增殖状况、细胞周期、迁移、分化等生物学特性。

BACKGROUND: Embryonic stem cells develop from early blastular inner cell mass. Under proper condition, ESCs can maintain undifferentiated state in vitro, normal diploid nuclear type, and proliferative potential. In addition, ESCs possess multi-directional differentiation capacity and can differentiate into all sorts of cells of three germ layers.

背景：胚胎干细胞来源于发育早期囊胚的内细胞团，适当条件下能在体外维持未分化状态、正常二倍体核型及无限增殖能力，且具有多向分化潜能，能够发育分化成机体3个胚层的所有类型细胞。

OBJECTIVE: To label rabbit BMSCs by green fluorescent protein, and then to observe the potency of multi-directional differentiation by osteoblast and lipoblast formation induction.

目的：采用绿色荧光蛋白标记兔骨髓间充质干细胞，观察标记后其诱导成骨及成脂能力。

DATA SYNTHESIS: The mesenchyma stem cells ware a kind of plurpotent stem cell in mesoderm, with powerful multiplication ability and multi-directional differentiation potential.

资料综合：间充质干细胞是属于中胚层的一类多能干细胞，具有强大的增殖能力和多向分化潜能，动物模型试验和临床应用研究也取得了一定的效果。

DATA SYNTHESIS: With the capability of multi-directional differentiation and self-duplication, stem cells can differentiate into different tissues and organs, including totipotential stem cells, embryonic stem cells and multipotent stem cells.

资料综合：干细胞具有多向分化潜能和自我复制功能，可分化成不同的组织和器官，包括全能干细胞、胚胎干细胞、多能干细胞。

BACKGROUND: Neural stem cells are a kind of special cells possessing self-renewal and multi-directional differentiation potential. They are ideal carriers for studying the occurence, development and development rule of nervous system and their inherent regulation mechanism of molecular biol ogy and cytology. They have wide applicative prospect in the treatment of nervous system disease and injury.

背景：神经干细胞是一类具有自我更新和多向分化潜能的特殊细胞，是研究神经系统的发生、发育、发展规律及其内在的分子生物学、细胞学调控机制的理想载体，在神经系统疾病及损伤的治疗中具有广阔的应用前景。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。