1·Objectives:To establish the culture system of spermatogonial stem cells in vitro;
目的：探索及完善精原干细胞的分离、鉴定和体外培养技术；
2·Objective: To study the feasibility of spermatogonial stem cell allotransplantation.
目的：研究同种生精干细胞移植的可行性。
3·However, it is still unclear what the relationship is between miR-34c and mammalian spermatogonial stem cells (SSCs).
然而仍然不清楚miR - 34和哺乳动物精原干细胞(SSCs)之间的关系。
4·MAIN OUTCOME MEASURES: the morphological changes of cryptorchidism, and the sorting results of spermatogonial stem cells.
主要观察指标：隐睾的形态学变化，精原干细胞分选结果。
5·The feeder layers of bone marrow stromal cells allowed spermatogonial stem cells to proliferate well and remain undifferentiated.
结果原代的小鼠培养骨髓基质细胞能很好的维持精原干细胞的非分化性扩增。
6·This article reviews recent advances in studies of the use of embryonic stem cells and spermatogonial stem cells in male reproduction.
本文就近年来胚胎干细胞和精原干细胞在男性生殖中的研究进展作一介绍。
7·Objective: To investigate the culture methods of rabbit spermatogonial stem cells (SSCs) and their biological characteristics in vitro.
目的：建立精原干细胞的培养方法并对培养细胞的生物学特征进行研究。
8·Finally, to establish the culture system of spermatogonial stem cells in vitro and to offer the therapy technique for the male sterility.
建立完善的精原干细胞体外培养体系，为精原干细胞的体外大量扩增提供技术和方法，为治疗男性不育症等提供相关技术。
9·To study whether spermatogonial stem cells can grow on the feeder layers of bone marrow stromal cells, and their effecting factors in vitro.
目的以原代培养小鼠骨髓基质细胞为饲养层，探讨精原干细胞能否在该饲养层上生长及生长的影响因素。
10·Cytochemical and immunohistochemical characteristics of spermatogonial stem cell of culture in vitro were studied with cytochemistry and immunohistochemistry.
应用细胞化学、免疫组织化学方法研究了体外培养小鼠精原干细胞的细胞化学和免疫组织化学特性。