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Updated: Feb 8, 2026

Affinity Purification of Influenza Virus Ribonucleoprotein Complexes from the Chromatin of Infected Cells
Published on: June 3, 2012
Peroxiredoxin 1 protein interacts with influenza virus ribonucleoproteins and is required for efficient virus
Xiaoxia Dai1, Na Li1, Richard J Roller2
1School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, PR China.
Abstract:
Cellular proteins that support influenza virus infection represent potential therapeutic targets. Cytoplasmic egress intermediates of influenza A/WSN/33 were isolated and shown to be associated with the cellular enzymes peroxiredoxins-1 (Prdx-1) during glycerol gradient fractionation. Prdx-1 also co-localizes with influenza NP at the cell periphery late in infection. Knock-down or knockout of Prdx-1 expression inhibit influenza A replication. Inhibition of replication is not correlated with defects in initiation of infection or mRNA expression, but is correlated with inhibition of accumulation of viral proteins and vRNAs.
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