2023
Differences in syncytia formation by SARS-CoV-2 variants modify host chromatin accessibility and cellular senescence via TP53
Lee J, Menasche B, Mavrikaki M, Uyemura M, Hong S, Kozlova N, Wei J, Alfajaro M, Filler R, Müller A, Saxena T, Posey R, Cheung P, Muranen T, Heng Y, Paulo J, Wilen C, Slack F. Differences in syncytia formation by SARS-CoV-2 variants modify host chromatin accessibility and cellular senescence via TP53. Cell Reports 2023, 42: 113478. PMID: 37991919, PMCID: PMC10785701, DOI: 10.1016/j.celrep.2023.113478.Peer-Reviewed Original ResearchConceptsChromatin accessibilityProteomic compositionCellular senescenceTP53 stabilizationSARS-CoV-2 spikeCell-cell fusionPathogenic coronavirusesSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variantsSenescence-associated inflammationSARS-CoV-2 infectionMiddle East respiratory syndromeAccessibility stateInflammatory cytokine releaseSevere respiratory infectionsSARS-CoV-2 variantsSignificant public health threatCoronavirus disease 2019SARS-CoV-2Public health threatBreakthrough infectionsRespiratory infectionsCytokine releaseSenescenceDisease 2019Respiratory syndrome
2022
Variant-specific vaccination induces systems immune responses and potent in vivo protection against SARS-CoV-2
Peng L, Renauer PA, Ökten A, Fang Z, Park JJ, Zhou X, Lin Q, Dong MB, Filler R, Xiong Q, Clark P, Lin C, Wilen CB, Chen S. Variant-specific vaccination induces systems immune responses and potent in vivo protection against SARS-CoV-2. Cell Reports Medicine 2022, 3: 100634. PMID: 35561673, PMCID: PMC9040489, DOI: 10.1016/j.xcrm.2022.100634.Peer-Reviewed Original ResearchConceptsImmune responseImmune cell populationsSARS-CoV-2 spikeAssessment of efficacySARS-CoV-2LNP-mRNABreakthrough infectionsCD8 TImmune profilingMRNA vaccinesPotent protectionT lymphocytesNeutralization activityDelta variantAnimal modelsPotent antibodiesRepertoire diversityCell responsesAuthentic virusSystemic increaseVariant lineagesClonal expansionCell populationsCOVID-19VaccinationMonospecific and bispecific monoclonal SARS-CoV-2 neutralizing antibodies that maintain potency against B.1.617
Peng L, Hu Y, Mankowski MC, Ren P, Chen RE, Wei J, Zhao M, Li T, Tripler T, Ye L, Chow RD, Fang Z, Wu C, Dong MB, Cook M, Wang G, Clark P, Nelson B, Klein D, Sutton R, Diamond MS, Wilen CB, Xiong Y, Chen S. Monospecific and bispecific monoclonal SARS-CoV-2 neutralizing antibodies that maintain potency against B.1.617. Nature Communications 2022, 13: 1638. PMID: 35347138, PMCID: PMC8960874, DOI: 10.1038/s41467-022-29288-3.Peer-Reviewed Original ResearchConceptsSARS-CoV-2Authentic SARS-CoV-2Effective therapeutic optionPotent SARS-CoV-2SARS-CoV-2 variantsVariants of concernRepertoire of therapeuticsBreakthrough infectionsTherapeutic optionsMultiple vaccinesPathogen SARS-CoV-2Delta variantB cellsPotent efficacyHumanized antibodyDistinct epitopesBispecific antibodiesOriginal virusSpike receptorStrong inhibitory activityMonoclonal antibodiesAntibodiesStrong potencyLead clonesLead antibodies