2023
High body temperature increases gut microbiota-dependent host resistance to influenza A virus and SARS-CoV-2 infection
Nagai M, Moriyama M, Ishii C, Mori H, Watanabe H, Nakahara T, Yamada T, Ishikawa D, Ishikawa T, Hirayama A, Kimura I, Nagahara A, Naito T, Fukuda S, Ichinohe T. High body temperature increases gut microbiota-dependent host resistance to influenza A virus and SARS-CoV-2 infection. Nature Communications 2023, 14: 3863. PMID: 37391427, PMCID: PMC10313692, DOI: 10.1038/s41467-023-39569-0.Peer-Reviewed Original ResearchConceptsTakeda G protein-coupled receptor 5Gut microbiota-dependent mannerSARS-CoV-2 infectionMicrobiota-dependent mannerIncrease host resistanceLethal SARS-CoV-2 infectionDeoxycholic acidSevere acute respiratory syndrome coronavirus 2Neutrophil-dependent tissue damageAcute respiratory syndrome coronavirus 2Influenza virusRespiratory syndrome coronavirus 2G protein-coupled receptor 5Farnesoid X receptor agonistCOVID-19 patientsExposure of miceInfluenza virus infectionSyndrome coronavirus 2Coronavirus disease 2019Host resistanceX receptor agonistCertain bile acidsBasal body temperatureSARS-CoV-2Body temperature
2021
Oral Bacteria Combined with an Intranasal Vaccine Protect from Influenza A Virus and SARS-CoV-2 Infection
Nagai M, Moriyama M, Ichinohe T. Oral Bacteria Combined with an Intranasal Vaccine Protect from Influenza A Virus and SARS-CoV-2 Infection. MBio 2021, 12: 10.1128/mbio.01598-21. PMID: 34399617, PMCID: PMC8406166, DOI: 10.1128/mbio.01598-21.Peer-Reviewed Original ResearchMeSH KeywordsAdaptive ImmunityAdjuvants, ImmunologicAdministration, IntranasalAnimalsAntibodies, ViralBacteriaCell LineChlorocebus aethiopsCOVID-19COVID-19 VaccinesDogsHemagglutinin Glycoproteins, Influenza VirusImmunity, MucosalInfluenza A Virus, H1N1 SubtypeInfluenza VaccinesMadin Darby Canine Kidney CellsMiceMice, Inbred BALB CMyeloid Differentiation Factor 88Nasal MucosaOrthomyxoviridae InfectionsPathogen-Associated Molecular Pattern MoleculesSARS-CoV-2VaccinationVero CellsConceptsInfluenza virus infectionVirus-specific adaptive immunityVaccine-specific antibody responseVirus-specific antibody responsesAntibody responseMyD88-dependent mannerVirus infectionHealthy human volunteersPathogen-associated molecular patternsImmune responseNasal bacteriaOral bacteriaCommensal bacteriaIntranasal supplementationHA vaccineVaccine protectsIntranasal vaccineIntranasal administrationIntranasal applicationAdaptive immunityOral cavityAcute respiratory syndrome coronavirus 2 infectionSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionSevere acute respiratory syndrome coronavirus 2Influenza virus hemagglutinin vaccine