Shortened nuclear matrix attachment regions are sufficient for replication and maintenance of episomes in mammalian cells
Shortened nuclear matrix attachment regions are sufficient for replication and maintenance of episomes in mammalian cells
复制标题
缩短的核基质附着区域足以在哺乳动物细胞中复制和维持附加体
DOI:
10.1091/mbc.e19-02-0108
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发表时间:
2019-10
影响因子:
3.3
通讯作者:
Yi Dan Dan
中科院分区:
文献类型:
--
作者:
Wang Xiao Yin;Zhang Xi;Wang Tian Yun;Jia Yan Long;Xu Dan Hua;Yi Dan Dan
Matrix attachment regions (MARs) can mediate the replication of vector episomes in mammalian cells; however, the molecular mode of action remains unclear. Here, we assessed the characteristics of MARs and the mechanism that mediates episomal vector replication in mammalian cells. Five shortened subfragments of β-interferon MAR fragments were cloned and transferred into CHO cells, and transgene expression levels, presence of the gene, and the episomal maintenance mechanism were determined. Three shortened MAR derivatives (position 781–1320, 1201–1740, and 1621–2201) retained full MAR activity and mediated episomal vector replication. Moreover, the three shortened MARs showed higher transgene expression levels, greater efficiency in colony formation, and more persistent transgene expression compared with those of the original pEPI-1 plasmid, and three functional truncated MARs can bind to SAF-A MAR-binding protein. These results suggest that shortened MARs are sufficient for replication and maintenance of episomes in CHO cells.
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DOI:
10.1038/mtna.2013.47
发表时间:
2013-09-03
期刊:
Molecular therapy. Nucleic acids
影响因子:
--
作者:
通讯作者:
--
DOI:
10.1016/j.omtn.2018.08.007
发表时间:
2018-12-07
期刊:
Molecular therapy. Nucleic acids
影响因子:
--
作者:
Sánchez-Hernández S;Gutierrez-Guerrero A;Martín-Guerra R;Cortijo-Gutierrez M;Tristán-Manzano M;Rodriguez-Perales S;Sanchez L;Garcia-Perez JL;Chato-Astrain J;Fernandez-Valades R;Carrillo-Galvez AB;Anderson P;Montes R;Real PJ;Martin F;Benabdellah K
通讯作者:
Benabdellah K
影响因子:
4.6
作者:
Stavrou EF;Lazaris VM;Giannakopoulos A;Papapetrou E;Spyridonidis A;Zoumbos NC;Gkountis A;Athanassiadou A
通讯作者:
Athanassiadou A
影响因子:
3.5
作者:
Haase R;Argyros O;Wong SP;Harbottle RP;Lipps HJ;Ogris M;Magnusson T;Vizoso Pinto MG;Haas J;Baiker A
通讯作者:
Baiker A
影响因子:
3.5
作者:
Lin, Yan;Li, Zhaoxi;Yang, Xianjun
通讯作者:
Yang, Xianjun