t2a
- T2A型;总体地形航空电子设备
t2a-
Many research have revealed that there are differences in generation time , morphology and function between T1A and T2A .
研究表明，T1A和T2A在发生时间、细胞形态及功能等方面均存在差异。
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Objective To investigate whether type-1 and type-2 astrocytes ( T1A , T2A ) express the characteristic molecules of neural stem cells .
目的观察1型和2型星形胶质细胞（T1A、T2A）是否表达神经干细胞的标志物、是否具有神经干细胞的特性。
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Methods Treating PC12 cells with the medium conditioned by T1A or T2A , the outgrowth of neurites of PC12 cells were observed , the viability of PC12 cells were investigated with the method of MTT .
方法利用分离纯化的T1A和T2A制备条件培养液，观察条件培养液对PC12细胞生长情况的影响，观察PC12细胞突起生长情况，并用MTT法检测PC12细胞活力。