Establishment of a fetal cow (Bos Borus) skin fibroblasts cell line with immortalized characterization through human telomerase reverse transcriptase (hTERT) ectopic expression

文献类型： 外文期刊

第一作者： Ren, Shanhui

作者： Ren, Shanhui;Peng, Tingyu;Wang, Xiangwei;Yin, Xiangping;Sun, Yuefeng;Chen, Haotai;Yang, Xue;Wan, Xuerui;Qiu, Xusheng

作者机构：

关键词： Fetal cow skin fibroblast; HTERT; Immortalization; LSDV

期刊名称：JOURNAL OF VIROLOGICAL METHODS （ 影响因子：2.623； 五年影响因子：2.239 ）

ISSN： 0166-0934

年卷期： 2022 年 309 卷

页码：

收录情况： SCI

摘要： The ectopic introduction of the human telomerase reverse transcriptase (hTERT) is an effective way to establish an immortalized cell line. Here, hTERT was obtained by RT-PCR, and the eukaryotic expression plasmid and lentivirus shuttle plasmid of hTERT was successfully constructed by the homologous recombination method. The stable expression of hTERT in fetal cow skin fibroblasts (CSF) was established using the lentivirus package system. The hTERT-CSF proliferate and have immortalized characteristics. Meanwhile, the chromosome analysis identified that the number and structure of the hTERT-CSF genome maintain stable. The indirect immunofluo-rescence, western blot, and flow cytometry showed that the hTERT gene had been successfully integrated into the primary genome of bovine skin and stably expressed. The viral infection experiment first identifies the hTERT-CSF as a vulnerable cell model responding to the Lumpy skin disease virus (LSDV). Establishing hTERT-CSF provides an important cell model for basic and applied research, clinical application, and vaccine develop-ment. It provides an essential reference for the future's rapid establishment of other immortalized cell lines.

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