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Effects of the S42 residue of the H1N1 swine influenza virus NS1 protein on interferon responses and virus replication

Overview of attention for article published in Virology Journal, March 2018
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  • Above-average Attention Score compared to outputs of the same age and source (56th percentile)

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Title
Effects of the S42 residue of the H1N1 swine influenza virus NS1 protein on interferon responses and virus replication
Published in
Virology Journal, March 2018
DOI 10.1186/s12985-018-0971-1
Pubmed ID
Authors

Jinghua Cheng, Chunling Zhang, Jie Tao, Benqiang Li, Ying Shi, Huili Liu

Abstract

The influenza A virus non-structural protein 1 (NS1) is a multifunctional protein that plays an important role in virus replication, virulence and inhibition of the host antiviral immune response. In the avian influenza virus or human influenza virus, specific amino acids of NS1 have been shown to be important for the virus to antagonize host antiviral defenses and promote viral replication. However, little research has been reported regarding the swine influenza virus (SIV) NS1 protein. To study the effects of the key amino acids of NS1, we rescued NS1 mutants (S42P, D92E, and S42P/D92E) of the A/swine/Shanghai/3/2014(H1N1) strain and compared their replication ability and cytokine production as well as the intracellular localization in cultured cells. We found that the S42P and D92E mutation displayed no changes on NS1 nuclear localization. The S42P (but not D92E) mutation suppressed protein synthesis and reduced virus growth properties, and there was an inability to antagonize host cell interferon production and IRF3 activation, which led to high levels of IFN-α and IFN-β production. We conclude that the S42 residue of the NS1 of the A/swine/Shanghai/3/2014(H1N1) strain is the key amino acid in regulating the host IFN response by blocking the activation of IRF3 and thus facilitates virus replication.

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X Demographics

The data shown below were collected from the profiles of 3 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 32 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 32 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 7 22%
Student > Master 3 9%
Researcher 3 9%
Student > Doctoral Student 2 6%
Student > Bachelor 2 6%
Other 4 13%
Unknown 11 34%
Readers by discipline Count As %
Immunology and Microbiology 6 19%
Biochemistry, Genetics and Molecular Biology 6 19%
Agricultural and Biological Sciences 2 6%
Chemistry 2 6%
Pharmacology, Toxicology and Pharmaceutical Science 1 3%
Other 4 13%
Unknown 11 34%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 20 November 2018.
All research outputs
#14,379,536
of 23,031,582 outputs
Outputs from Virology Journal
#1,618
of 3,062 outputs
Outputs of similar age
#187,317
of 330,033 outputs
Outputs of similar age from Virology Journal
#19
of 50 outputs
Altmetric has tracked 23,031,582 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,062 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 25.7. This one is in the 41st percentile – i.e., 41% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 330,033 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 40th percentile – i.e., 40% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 50 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 56% of its contemporaries.