Abstract：
:Interferon-inducible transmembrane protein 3 (IFITM3) inhibits the replication of multiple pathogenic viruses by blocking their entry. In this study, we constructed a shuttle plasmid, harboring human IFITM3. Thereafter, recombinant adenovirus rAd5-IFITM3 was obtained by co-transfection of the linearized viral backbone vector pAd5 and the shuttle plasmid. The results showed that human IFITM3 did not affect the assembly and morphogenesis of progeny adenovirus. Human IFITM3 can be expressed in both A549 and MDCK cells in a time dependent manner. Furthermore, cells infected with rAd5-IFITM3 at a multiplicity of infection (MOI) of 100 for 24 h were challenged with avian influenza virus (AIV) H5N1 at an MOI of 1 for 6, 12 and 24 h. Rates of H5N1 infection in rAd5-IFITM3 cells were significantly decreased at 24 h post-infection (hpi), in a time dependent manner, compared with that of wild type wtAd5-infected cells. The expressions of viral genes were significantly inhibited at transcriptional and translational levels at 6 and 12 hpi. These results suggest that IFITM3 can suppress H5N1 replication in the early stage of the infection, which may be used as a promise agent against H5N1 infection in vivo.
journal_name
Int J Biol Macromoljournal_title
International journal of biological macromoleculesauthors
Du S,Jiang Y,Xu W,Bai J,Tian M,Wang M,Wang Y,Cao T,Song L,Jiang Y,Chen J,Fu T,Hao P,Li T,Wu S,Ren L,Jin N,Li Cdoi
10.1016/j.ijbiomac.2019.03.161subject
Has Abstractpub_date
2019-06-15 00:00:00pages
925-932eissn
0141-8130issn
1879-0003pii
S0141-8130(19)30422-2journal_volume
131pub_type
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journal_title：International journal of biological macromolecules
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journal_title：International journal of biological macromolecules
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journal_title：International journal of biological macromolecules
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journal_title：International journal of biological macromolecules
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journal_title：International journal of biological macromolecules
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abstract：:Papain enzyme was successfully immobilized by covalent bonding onto biocompatible Fe3O4/SF nanoparticles, which were prepared with the soft template of silk fibroin (SF). The optimized immobilization condition is pH6.0, hydrolysis time of 60min, and an enzyme/support ratio of 10.0mg/g. Compared with free papain, the i...
journal_title：International journal of biological macromolecules
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