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Parvovirus B19V Nonstructural Protein NS1 Induces Double-Stranded Deoxyribonucleic Acid Autoantibodies and End-Organ Damage in Nonautoimmune Mice

2018

Abstract Background Viral infection is implicated in development of autoimmunity. Parvovirus B19 (B19V) nonstructural protein, NS1, a helicase, covalently modifies self double-stranded deoxyribonucleic acid (dsDNA) and induces apoptosis. This study tested whether resulting apoptotic bodies (ApoBods) containing virally modified dsDNA could induce autoimmunity in an animal model. Methods BALB/c mice were inoculated with (1) pristane-induced, (2) B19V NS1-induced, or (3) staurosporine-induced ApoBods. Serum was tested for dsDNA autoantibodies by Crithidia luciliae staining and enzyme-linked immunosorbent assay. Brain, heart, liver, and kidney pathology was examined. Deposition of self-antigens…

0301 basic medicinePathogenesis and Host ResponseviruksetvirusesB19VKidney GlomerulusSLEApoptosisAutoimmunityanti-dsDNA antibodyViral Nonstructural Proteinsmedicine.disease_causeAutoimmunityautoimmuniteettiMice0302 clinical medicineGlomerulonephritisParvovirus B19 HumanImmunology and Allergy030212 general & internal medicineEnzyme InhibitorstolerancebiologyChemistryapoptosisBrainInfectious DiseasesLivervirustauditAntibodies AntinuclearmaksatulehdusFemaleAntibodyImmunosuppressive Agentsta3111infektiot03 medical and health sciencesohjelmoitunut solukuolemaMajor Articles and Brief ReportsExtracellular VesiclesAntigenmedicineCrithidia luciliaeAnimalsapoptotic bodiesparvoviruksetParvovirusTerpenesAnti-dsDNA antibodiesMyocardiumta1183parvovirusAutoantibodyta1182DNAbiology.organism_classificationStaurosporineMolecular biology030104 developmental biologyApoptosisbiology.proteinautovasta-aineetglomerulonephritisThe Journal of Infectious Diseases
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