Proteomics

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Proteomic analysis of Human Adenovirus B and C infections in the presence of interferon


ABSTRACT: Human adenoviruses (HAdV) are a large family of DNA viruses generally infecting the airway, the gut, the eye, and the urinary tract. However, certain strains of HAdVs are capable of causing severe infections in the very young, the elderly, the immunocompromised, and sometimes healthy individuals. In particular, species B HAdVs are often associated with more severe disease, involving serotype 7 and 14. Despite the severity of the disease caused by these strains, little is known about the molecular mechanisms underpinning the disease outcomes. Activation of interferon stimulated genes (ISGs) occurs rapidly after interferon (IFN) stimulation and relies on recruitment of the transcription factor complex IFN-stimulated gene factor 3 (ISGF3) to promoters, which happens via the canonical JAK-STAT pathway. Therefore, suppression of IFNs is a key aspect of evading innate immunity by viral pathogens, including HAdVs; and as such, HAdVs have evolved multiple ways by which they suppress activation of ISGs in order to drive viral replication. Our previous work investigated the molecular mechanism of interferon suppression by HAdV-C5. We observed that E1A of HAdV-C5 interacts with the AAA+ DNA helicase RuvBL1/Pontin in order to suppress activation of interferon stimulated genes (ISGs) during infection. We therefore wanted to determine whether RuvBL1 is also a target for the more highly pathogenic HAdV-B7 and B14. As part of this investigation, we examined the broad-range effect of HAdV species C2, B7, and B14 on cells in response to interferon. These results are presented here.

INSTRUMENT(S): Orbitrap Fusion Lumos

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Epithelial Cell, Cell Culture

DISEASE(S): Lung Cancer

SUBMITTER: Drayson Graves  

LAB HEAD: Peter Pelka

PROVIDER: PXD045673 | Pride | 2024-06-26

REPOSITORIES: Pride

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