They can be propagated into stable cell lines and cryopreserved.
它们能成为稳定的细胞系和长期冻存。
Conclusion: Heparanase stable expression cell lines have been successfully established, which could be of great benefits to the screening and function study of its inhibitors.
结论：成功地建立了人乙酰肝素酶稳定表达细胞株，为其抑制剂的筛选及其功能的研究奠定了基础。
Objective:To construct a recombinant defective retroviral vector carrying hNT3 gene and a stable virus-producing packaging cell lines , and then to identify them.
构建并鉴定携带人NT - 3基因的逆转录病毒载体以及稳定的包装细胞系。
The positive clones were selected by G418, and highly expressing clones were more selected by flow cytometry, and get stable highly expressing CHO cell lines.
用新霉素类似物(G418)筛选出阳性克隆，并用流式细胞术进一步筛选出高效表达克隆，建立稳定高效表达CHO细胞株。
The regenerated plantlets were obtained and their resistant stability was detected. Theresult showed that the resistant cell mutant lines had a stable resistance to Phytophthora infestans.
试验获得了抗马铃薯晚疫病再生苗，研究其抗性细胞系稳定性，结果发现细胞无性系变异植株具有抗病能力；
The primary isolated strain was used to infect human transformed T-cell lines MT4, and a stable passage strain 29A was gained.
方法：用从该患者外周血单核细胞中分离的病毒株感染MT4细胞，获得可在该细胞上稳定传代的病毒株29A。
The primary isolated strain was used to infect human transformed T-cell lines MT4, and a stable passage strain 29A was gained.
方法：用从该患者外周血单核细胞中分离的病毒株感染MT4细胞，获得可在该细胞上稳定传代的病毒株29A。
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