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- Objective To observe contineously on the cell surface molecule of Dexter culture of cord CD34 + cells in vitro. 目的 动态观察人脐血CD34+细胞Dexter基质细胞培养后细胞表面分子的变化情况。
- Methods CD34 + cord cells were separated by MACS system from 8 fresh samples. The methods of Dexter culture system of stromal cells were used to observe the change of cell surface molecule of cord stromal cell on the different time. 方法 应用 MACS磁珠分离系统分离脐带血CD34+细胞,按照Dexter法行脐血基质细胞培养,观察不同时间基质细胞的生长状态及细胞表面分子的变化情况。
- Long-term recovery after brain injury, through neurite outgrowth, synaptic plasticity, or neuron regeneration, is influenced by astrocyte surface molecule expression and trophic factor release [3]. 脑损伤后，通过神经突生长，突触可塑性和神经元再生的长期恢复过程受星形胶质细胞表面分子的表达和营养因子释放的影响。
- The DC cloning and high expressing surface molecules were effectively induced by polycytokines and TAA in vitro. 体外多种细胞因子和肿瘤相关抗原能有效引起DC增殖,并高表达CD80、CD83、CD86;
- Signal 2 is delivered to T cells by co-stimulatory cell surface molecules expressed on APCs. 同时也有研究表明： T细胞免疫应答后期，来自CD28的共刺激信号对活化后的T细胞发挥效应并非必不可少，甚至不能称为主要的信号[5-7]。
- Calibration kit for the measurement of platelet glycoprotein expression level or any other human platelet surface molecules. 血小板糖蛋白表达式级别或任何其它人力血小板表面分子的评定的定标工具箱。
- MSCs have some features (surface molecules and cytokine production, etc.) common to so-called traditional bone marrow (BM) stromal cells, which have the capacity to support hemopoiesis. 间充质干细胞具有一些等同于传统骨髓基质细胞的特性（表面分子和细胞因子产物等），象造血功能。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- He is honest only on the surface. 他只是表面诚实而已。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- The surface of the lake is quite still. 湖面相当平静。
- It's2 yuan by surface mail and3.6 yuan by air. 寄平信2元，寄航空要3元6角。
- Wheels won't bite on a slippery surface. 车轮打滑。
