2019
Early Porcine Sapovirus Infection Disrupts Tight Junctions and Uses Occludin as a Coreceptor
Alfajaro M, Cho E, Kim D, Kim J, Park J, Soliman M, Baek Y, Park C, Kang M, Park S, Cho K. Early Porcine Sapovirus Infection Disrupts Tight Junctions and Uses Occludin as a Coreceptor. Journal Of Virology 2019, 93: 10.1128/jvi.01773-18. PMID: 30463963, PMCID: PMC6364031, DOI: 10.1128/jvi.01773-18.Peer-Reviewed Original ResearchConceptsSevere acute gastroenteritisClaudin-1Acute gastroenteritisEntry factorsTight junctionsTJ proteinsLLC-PK cellsAdhesion molecule-1Common causative agentChinese hamster ovaryDisrupts tight junctionsIntestinal epithelial cellsTransepithelial electrical resistanceHisto-blood groupTJ protein occludinRole of TJsMolecule-1Functional coreceptorInfectionTerminal sialic acidAffordable drugsProtein occludinOccludinSpecific antibodiesEpithelial cells
2018
Phosphatidylinositol 3-Kinase/Akt and MEK/ERK Signaling Pathways Facilitate Sapovirus Trafficking and Late Endosomal Acidification for Viral Uncoating in LLC-PK Cells
Soliman M, Kim D, Park J, Kim J, Alfajaro M, Baek Y, Cho E, Park C, Kang M, Park S, Cho K. Phosphatidylinositol 3-Kinase/Akt and MEK/ERK Signaling Pathways Facilitate Sapovirus Trafficking and Late Endosomal Acidification for Viral Uncoating in LLC-PK Cells. Journal Of Virology 2018, 92: 10.1128/jvi.01674-18. PMID: 30282712, PMCID: PMC6258943, DOI: 10.1128/jvi.01674-18.Peer-Reviewed Original ResearchConceptsMEK/ERKCell surface carbohydrate receptorsLate endosomesPI3K/AktSmall interfering RNAsEndosomal acidificationPI3KEarly endosomesExtracellular signal-regulated kinaseViral uncoatingSignal-regulated kinaseV-ATPase proton pumpCell surface receptorsHost cell entryEarly activationEntry processERK moleculesInterfering RNAsEndosomesCarbohydrate receptorsUse of inhibitorsProton pumpERKSurface receptorsAktActivation of PI3K, Akt, and ERK during early rotavirus infection leads to V-ATPase-dependent endosomal acidification required for uncoating
Soliman M, Seo J, Kim D, Kim J, Park J, Alfajaro M, Baek Y, Cho E, Kwon J, Choi J, Kang M, Park S, Cho K. Activation of PI3K, Akt, and ERK during early rotavirus infection leads to V-ATPase-dependent endosomal acidification required for uncoating. PLOS Pathogens 2018, 14: e1006820. PMID: 29352319, PMCID: PMC5792019, DOI: 10.1371/journal.ppat.1006820.Peer-Reviewed Original ResearchMeSH KeywordsAcidsAnimalsCaco-2 CellsCapsid ProteinsCattleCells, CulturedEndosomesEnzyme ActivationExtracellular Signal-Regulated MAP KinasesHaplorhiniHumansHydrogen-Ion ConcentrationPhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktRotavirusRotavirus InfectionsSf9 CellsSignal TransductionVacuolar Proton-Translocating ATPasesVirus UncoatingConceptsMEK/ERK pathwayV-ATPasePI3K/AktSubunit EOuter capsid proteinEndosomal acidificationLate endosomesERK pathwayCapsid proteinPI3KEarly infection eventsMEK/ERKCell surface receptorsImmunoprecipitation assaysPPI3KVirus traffickingProximity ligationMultistep bindingSurface receptorsAktViral progenyViral uncoatingERKRVA strainsEndosomes