feeder layer cell

Objective To explore the optimal condition of direct differentiation into dopaminergic neurons of embryonic stem cells in serum-free and feeder layer cell free medium .

目的寻求无血清、无饲养层细胞存在的情况下，胚胎干细胞向多巴胺能神经元定向诱导分化的最佳条件。

The transformation frequency of cucumber was not significantly enhanced by feeder layer of tobacco cell suspension during co-cultivation .

烟草细胞悬浮系看护培养对黄瓜的遗传转化影响不明显。