Objective To observe contineously on the cell surface molecule of Dexter culture of cord CD34 + cells in vitro.
目的：探讨骨髓间充质干细胞对脐血CD34+细胞诱导分化为巨核细胞的影响。
Once the receptor has seized a molecule, it binds the molecule to the cell surface from where it is taken into the cell.
一个受体一旦钩上了一个分子，就把那个分子固定在细胞表面，然后从那里把它摄入细胞内。
No tumor cell, so far as is known, produces a specific surface molecule for toxins to act on.
就目前所知，没有肿瘤细胞有能使毒素作用的特殊表面分子。
After being stimulated, the activated t lymphocytes may show some function characteristics, such as activation molecule expression on cell surface, cell proliferation, cytokine expression, and so on.
静止T淋巴细胞经过抗原刺激活化后，表现出一系列的特征，如细胞膜表面活化分子的表达、细胞分裂和产生细胞因子等。
They predicted that the immune system's t cells could be turned on by using an antibody to a cell-surface molecule called CD40, which controls the cells' activation.
他们预测，采用控制细胞激活的细胞表面分子CD 40的抗体，可以激活免疫系统中的T细胞。
Integrin, a kind of adhesion molecule generally exists on the cell surface, mediates adhesion and information transmissions between cell-cell and between cell-extracellular matrix.
整合素是一类广泛存在于细胞表面的粘附分子，介导细胞—细胞及细胞—细胞外基质间的粘附及信息传导。
Integrin, a kind of adhesion molecule generally exists on the cell surface, mediates adhesion and information transmissions between cell-cell and between cell-extracellular matrix.
整合素是一类广泛存在于细胞表面的粘附分子，介导细胞—细胞及细胞—细胞外基质间的粘附及信息传导。
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