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BACKGROUND: Effective proliferation in vitro of neural stem cells and directional induction and differentiation of dopaminergic neurons play a key role in neural stem cell transplantation for treatment of degeneration of the nervous system and repair of injured nervous system.

背景：在神经干细胞移植治疗神经系统退行性变及修复神经系统功能损伤过程中，有效的神经干细胞体外增殖与多巴胺能神经元的定向诱导分化尤为关键。

ObjectiveTo study the generation and directional differentiation of BMSCs induced by Duzhong which can invigorate the kidney.

目的研究补肾中药杜仲含药血清对骨髓间充质干细胞增殖及定向分化的影响。

The combination of epidermal growth factor, basic fibroblast growth factor and insulin-like growth factor can effectively promote the directional differentiation of BMSCs into oligodendrocytes.

碱性成纤维细胞生长因子、表皮生长因子与胰岛素样生长因子联合应用能够有效促进骨髓间充质干细胞向少突胶质样细胞定向分化。

BACKGROUND: Muscle-derived stem cells have some problems in purification, amplification and directional differentiation during in vitro culture. Basic fibroblast growth factor as a membrane of bioactive factor has been paid great attention, due to its biological activity.

背景：肌源性干细胞在体外培养过程中存在纯化、扩增、定向分化等难题，碱性成纤维细胞生长因子作为生物活性因子的一员，因其生物活性的多效性而备受关注。

Objective To explore the possibility of basic fibroblast growth factor and epidermal growth factor combined with st-riatal conditioned medium promoting the directional differentiation of rat bone marrow mesenchymal stem cells into dopaminergic neurons.

目的 探讨联合应用碱性成纤维细胞生长因子、表皮生长因子和纹状体条件培养液定向诱导大鼠骨髓间充质干细胞分化为多巴胺能神经元的可能性。

OBJECTIVE: To establish an inducing system for differentiation of bone marrow mesenchymal stem cells into chondrecytes in two-dimensional culture in vivo, to analyze the best concentration of transforming growth favor beta-1 (TGF-β1) to induce the differentiation and the correlated influence factors for the directional differentiation, and to observe the changes of cell form and phenotype.

目的：建立二维培养条件下骨髓间充质干细胞分化为软骨细胞的诱导体系，分析转化生长因子β1作为诱导条件的最佳浓度，以及诱导骨髓间充质干细胞定向分化为软骨细胞的相关影响因素，观察细胞诱导后的细胞形态及表型变化。

Proteomics technology provides a powerful tool due to the large scale, systemical study of protein transformation and interaction, which can be used for exploring molecular mechanism of bone mesenchymal stem cells during directional differentiation.

蛋白质组学技术是大规模、系统性研究蛋白质变化及其相互作用的强有力工具，可以用于骨髓间充质干细胞定向分化的分子机制研究当中。

BACKGROUND: Extract of astragalus mongholicus has good effects on antioxidization and oxygen free radical scavenge. Bone marrow mesenchymal stem cells have multiple directional differentiation potential and superiority of autologous transplantation. This can provide a new way for treating neurodegenerative diseases.

背景：黄芪提取物有较好的抗氧化、清除氧自由基的作用，加之骨髓间充质干细胞的多向分化潜能及其自体移植的优越性，可能为神经退行性疾病的治疗提供新的方式。

Objective Constructing the eukaryotic expression vector of mouse LIF and conducing to improve the directional differentiation research of ES cell about other laboratory animals.

目的 构建小鼠白血病抑制因子的真核表达载体，有助于开展高其他实验动物的胚胎干细胞的定向分化研究。

Objective To establish the spontaneous differentiation culture system of embryonic stem cells in vitro and provide methodological and morphological basis for the directional differentiation of ES cells.

目的建立胚胎干细胞(embryonicstemcells，EScells)体外非定向分化培养系统，为其向各种成熟细胞的定向诱导分化提供方法学和形态学基础。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失