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| http://purl.uniprot.org/citations/36377866 | http://www.w3.org/2000/01/rdf-schema#comment | "Ubiquitin regulatory X domain-containing proteins (UBXN) might be involved in diverse cellular processes. However, their in vivo physiological functions remain largely elusive. We recently showed that UBXN3B positively regulated stimulator-of-interferon-genes (STING)-mediated innate immune responses to DNA viruses. Herein, we reported the essential role of UBXN3B in the control of infection and immunopathogenesis of two arthritogenic RNA viruses, Chikungunya (CHIKV) and O'nyong'nyong (ONNV) viruses. Ubxn3b deficient (Ubxn3b-/-) mice presented higher viral loads, more severe foot swelling and immune infiltrates, and slower clearance of viruses and resolution of inflammation than the Ubxn3b+/+ littermates. While the serum cytokine levels were intact, the virus-specific immunoglobulin G and neutralizing antibody levels were lower in the Ubxn3b-/- mice. The Ubxn3b-/- mice had more neutrophils and macrophages, but much fewer B cells in the ipsilateral feet. Of note, this immune dysregulation was also observed in the spleens and blood of uninfected Ubxn3b-/- mice. UBXN3B restricted CHIKV replication in a cell-intrinsic manner but independent of type I IFN signaling. These results demonstrated a dual role of UBXN3B in the maintenance of immune homeostasis and control of RNA virus replication. IMPORTANCE The human genome encodes 13 ubiquitin regulatory X (UBX) domain-containing proteins (UBXN) that might participate in diverse cellular processes. However, their in vivo physiological functions remain largely elusive. Herein, we reported an essential role of UBXN3B in the control of infection and immunopathogenesis of arthritogenic alphaviruses, including Chikungunya virus (CHIKV), which causes acute and chronic crippling arthralgia, long-term neurological disorders, and poses a significant public health problem in the tropical and subtropical regions worldwide. However, there are no approved vaccines or specific antiviral drugs. This was partly due to a poor understanding of the protective and detrimental immune responses elicited by CHIKV. We showed that UBXN3B was critical for the control of CHIKV replication in a cell-intrinsic manner in the acute phase and persistent immunopathogenesis in the post-viremic stage. Mechanistically, UBXN3B was essential for the maintenance of hematopoietic homeostasis during viral infection and in steady-state."xsd:string |
| http://purl.uniprot.org/citations/36377866 | http://purl.org/dc/terms/identifier | "doi:10.1128/mbio.02687-22"xsd:string |
| http://purl.uniprot.org/citations/36377866 | http://purl.uniprot.org/core/author | "Lin T."xsd:string |
| http://purl.uniprot.org/citations/36377866 | http://purl.uniprot.org/core/author | "Yang D."xsd:string |
| http://purl.uniprot.org/citations/36377866 | http://purl.uniprot.org/core/author | "Wang P."xsd:string |
| http://purl.uniprot.org/citations/36377866 | http://purl.uniprot.org/core/author | "Geng T."xsd:string |
| http://purl.uniprot.org/citations/36377866 | http://purl.uniprot.org/core/author | "Cahoon J.G."xsd:string |
| http://purl.uniprot.org/citations/36377866 | http://purl.uniprot.org/core/date | "2022"xsd:gYear |
| http://purl.uniprot.org/citations/36377866 | http://purl.uniprot.org/core/name | "mBio"xsd:string |
| http://purl.uniprot.org/citations/36377866 | http://purl.uniprot.org/core/pages | "e0268722"xsd:string |
| http://purl.uniprot.org/citations/36377866 | http://purl.uniprot.org/core/title | "UBXN3B Controls Immunopathogenesis of Arthritogenic Alphaviruses by Maintaining Hematopoietic Homeostasis."xsd:string |
| http://purl.uniprot.org/citations/36377866 | http://purl.uniprot.org/core/volume | "13"xsd:string |
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