Abstract:
:Although immortalized cultured cells are useful for various functional assays or transcriptome analysis, highly efficient and reproducible immortalization methods have not been developed in avian-derived cells. We introduced the simian virus 40 T antigen (SV40T) and human papillomavirus (HPV)-E6E7 to chick and Okinawa rail (endangered species)derived fibroblast. As a result, neither the SV40T nor E6E7 genes could induce avian cell immortality. Accordingly, we attempted to use a recently developed immortalization method, which involved the coexpression of mutant cyclin-dependent kinase 4 (CDK4), Cyclin D, and TERT (K4DT method) in these avian cells. Although the K4DT method could not efficiently induce the efficient immortalization in mass cell population, cellular division until the senescence was significantly extended by K4DT, we succeeded to obtain the immortalized avian cells (chick K4DT: one clone, Okinawa rail K4DT: three clones, Okinawa rail K4DT + telomerase RNA component: one clone) with K4DT expression. We conclude that K4DT expression is used to extend the cell division and immortalization of avian-derived cells.
journal_name
J Cell Physioljournal_title
Journal of cellular physiologyauthors
Katayama M,Kiyono T,Ohmaki H,Eitsuka T,Endoh D,Inoue-Murayama M,Nakajima N,Onuma M,Fukuda Tdoi
10.1002/jcp.27417subject
Has Abstractpub_date
2019-05-01 00:00:00pages
6709-6720issue
5eissn
0021-9541issn
1097-4652journal_volume
234pub_type
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