Abstract:
:MicroRNAs play vital roles in regulating the battle between pathogens and host cells during viral challenging. MiR-4331 aggravates transmissible gastroenteritis virus (TGEV) -induced mitochondrial damage, also suppresses transcription of TGEV gene 7 via targeting cellular CDCA7. Otherwise, miR-4331-5p affects H1N1/2009 influenza A virus replication by targeting viral HA and NS. However, whether microRNA ssc-miR-4331-5p (miR-4331-5p) regulates foot and mouth virus (FMDV) replication remains unclear. To explore the role of miR-4331-5p in FMDV infection, we detected the expression level of miR-4331-5p in porcine kidney (PK-15) cells. The results showed that FMDV infection directly upregulates miR-4331-5p expression, while transfection of mimics or inhibitor of miR-4331-5p promotes or inhibits FMDV replication. Further investigation clearly showed that miR-4331-5p increases FMDV replication through inhibiting type I interferon pathways. These data demonstrate that miR-4331-5p plays an important role in regulating FMDV replication.
journal_name
Virus Resjournal_title
Virus researchauthors
Ren T,Wang Y,Chen H,Wang K,Gao X,Liu L,Zhang Y,Sun Ydoi
10.1016/j.virusres.2020.198064subject
Has Abstractpub_date
2020-09-01 00:00:00pages
198064eissn
0168-1702issn
1872-7492pii
S0168-1702(20)30123-4journal_volume
286pub_type
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