Featured Publications
Single-cell multiomics reveals persistence of HIV-1 in expanded cytotoxic T cell clones
Collora JA, Liu R, Pinto-Santini D, Ravindra N, Ganoza C, Lama JR, Alfaro R, Chiarella J, Spudich S, Mounzer K, Tebas P, Montaner LJ, van Dijk D, Duerr A, Ho YC. Single-cell multiomics reveals persistence of HIV-1 in expanded cytotoxic T cell clones. Immunity 2022, 55: 1013-1031.e7. PMID: 35320704, PMCID: PMC9203927, DOI: 10.1016/j.immuni.2022.03.004.Peer-Reviewed Original ResearchConceptsHIV-1 eradicationHIV-1 RNAHIV-1Effector memory Th1 cellsHIV-1-infected individualsHIV-1-infected CD4Clonal expansionCell clonesMemory Th1 cellsCell clonal expansionPersistent antigenAntiretroviral therapyViral suppressionCytotoxic CD4Cytotoxic TTh1 cellsAntigen stimulationClonal expansion dynamicsUninfected individualsSurface protein expressionTNF responseUnstimulated conditionsTCR sequencesProtein expressionCD4Integration site–dependent HIV-1 promoter activity shapes host chromatin conformation
Collora J, Ho Y. Integration site–dependent HIV-1 promoter activity shapes host chromatin conformation. Genome Research 2023, 33: 891-906. PMID: 37295842, PMCID: PMC10519397, DOI: 10.1101/gr.277698.123.Peer-Reviewed Original ResearchInhibition of a Chromatin and Transcription Modulator, SLTM, Increases HIV-1 Reactivation Identified by a CRISPR Inhibition Screen
Pedersen SF, Collora JA, Kim RN, Yang K, Razmi A, Catalano AA, Yeh YJ, Mounzer K, Tebas P, Montaner LJ, Ho YC. Inhibition of a Chromatin and Transcription Modulator, SLTM, Increases HIV-1 Reactivation Identified by a CRISPR Inhibition Screen. Journal Of Virology 2022, 96: e00577-22. PMID: 35730977, PMCID: PMC9278143, DOI: 10.1128/jvi.00577-22.Peer-Reviewed Original ResearchConceptsHIV-1-infected cellsHIV-1 reactivationT cell clonesHIV-1HIV-1 protein expressionAntiretroviral therapyDrug treatmentProtein expressionInfected cellsInfected individualsHIV-1-infected individualsCell clonesEffective antiretroviral therapyHIV-1 cureLong-term therapyHIV-1 gene expressionHIV-1 persistenceHIV-1 provirusHIV-1 transcriptionImmune cell killingNovel therapeutic targetCell deathLatent reservoirImmune cellsT cellsSingle-cell transcriptional landscapes reveal HIV-1–driven aberrant host gene transcription as a potential therapeutic target
Liu R, Yeh YJ, Varabyou A, Collora JA, Sherrill-Mix S, Talbot CC, Mehta S, Albrecht K, Hao H, Zhang H, Pollack RA, Beg SA, Calvi RM, Hu J, Durand CM, Ambinder RF, Hoh R, Deeks SG, Chiarella J, Spudich S, Douek DC, Bushman FD, Pertea M, Ho YC. Single-cell transcriptional landscapes reveal HIV-1–driven aberrant host gene transcription as a potential therapeutic target. Science Translational Medicine 2020, 12 PMID: 32404504, PMCID: PMC7453882, DOI: 10.1126/scitranslmed.aaz0802.Peer-Reviewed Original ResearchConceptsHost gene transcriptionGene transcriptionLong terminal repeatHIV-1 reactivationCellular factorsIntegration sitesNonsense-mediated RNA decaySingle-cell transcriptional landscapePotential therapeutic targetSingle-cell transcriptome analysisHIV-1-host interactionsHIV-1HIV-1 promoterTherapeutic targetHIV-1 5' long terminal repeatRNA decayTranscriptional landscapeHIV-1-infected individualsHIV-1-infected cellsTranscriptome analysisAberrant transcriptionRNA transcriptionHost RNACellular survivalTranscription pathway
2023
Single-cell multiomic understanding of HIV-1 reservoir at epigenetic, transcriptional, and protein levels
Wong M, Wei Y, Ho Y. Single-cell multiomic understanding of HIV-1 reservoir at epigenetic, transcriptional, and protein levels. Current Opinion In HIV And AIDS 2023, 18: 246-256. PMID: 37535039, PMCID: PMC10442869, DOI: 10.1097/coh.0000000000000809.Peer-Reviewed Original ResearchConceptsSurface protein expressionMultiomics approachATAC-seqProtein expressionTranscription factor activityProtein levelsRNA mappingRNA-seqBioinformatics analysisHIV-1-infected cellsFalse positive discoveriesBiological insightsBulk transcriptomeFactor activityDNA amplificationExpressionCellsTranscriptomeTherapeutic strategiesEpigeneticsDiscoveryDNA PCRRNADNAHIV-1
2022
The loud minority: Transcriptionally active HIV-1-infected cells survive, proliferate, and persist
Collora JA, Ho YC. The loud minority: Transcriptionally active HIV-1-infected cells survive, proliferate, and persist. Cell 2022, 185: 227-229. PMID: 35063069, PMCID: PMC9195179, DOI: 10.1016/j.cell.2021.12.038.Peer-Reviewed Original Research
2021
The Clonal Expansion Dynamics of the HIV-1 Reservoir: Mechanisms of Integration Site-Dependent Proliferation and HIV-1 Persistence
Yeh YJ, Yang K, Razmi A, Ho YC. The Clonal Expansion Dynamics of the HIV-1 Reservoir: Mechanisms of Integration Site-Dependent Proliferation and HIV-1 Persistence. Viruses 2021, 13: 1858. PMID: 34578439, PMCID: PMC8473165, DOI: 10.3390/v13091858.Peer-Reviewed Original ResearchConceptsHIV-1-infected cellsHIV-1 latent reservoirAntiretroviral therapyHIV-1Cancer-related gene expressionHIV-1 promoterHIV-1 integration sitesLatent reservoirClonal expansionClonal expansion dynamicsCancer-related genesLong-term suppressive antiretroviral therapyHIV-1 promoter activitySuppressive antiretroviral therapyLow-level viremiaHIV-1 reservoirHIV-1 persistenceHIV-1 transcriptionCertain cancer-related genesViral reboundGene expressionRare caseLoss of functionTherapeutic agentsTumor suppressor gene
2020
The single-cell landscape of immunological responses of CD4+ T cells in HIV versus severe acute respiratory syndrome coronavirus 2.
Collora JA, Liu R, Albrecht K, Ho YC. The single-cell landscape of immunological responses of CD4+ T cells in HIV versus severe acute respiratory syndrome coronavirus 2. Current Opinion In HIV And AIDS 2020, 16: 36-47. PMID: 33165008, PMCID: PMC8162470, DOI: 10.1097/coh.0000000000000655.Peer-Reviewed Original ResearchConceptsHIV-1 infectionSARS-CoV-2 infectionCD4 T cellsT cellsLymphoid tissueHIV-1SARS-CoV-2-specific CD4 T cellsAcute respiratory syndrome coronavirus 2 infectionHIV-1-specific CD4 T cellsSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionSevere SARS-CoV-2 infectionSevere acute respiratory syndrome coronavirus 2CD4 T-cell depletionSyndrome coronavirus 2 infectionAcute respiratory syndrome coronavirus 2CD4 T-cell lossFollicular helper T cellsHIV-1-infected cellsRespiratory syndrome coronavirus 2Coronavirus 2 infectionCytokine release syndromeT cell lossT-cell depletionHIV-1 reservoirProtective antibody responses
2017
Defective HIV-1 Proviruses Are Expressed and Can Be Recognized by Cytotoxic T Lymphocytes, which Shape the Proviral Landscape
Pollack RA, Jones RB, Pertea M, Bruner KM, Martin AR, Thomas AS, Capoferri AA, Beg SA, Huang SH, Karandish S, Hao H, Halper-Stromberg E, Yong PC, Kovacs C, Benko E, Siliciano RF, Ho YC. Defective HIV-1 Proviruses Are Expressed and Can Be Recognized by Cytotoxic T Lymphocytes, which Shape the Proviral Landscape. Cell Host & Microbe 2017, 21: 494-506.e4. PMID: 28407485, PMCID: PMC5433942, DOI: 10.1016/j.chom.2017.03.008.Peer-Reviewed Original ResearchConceptsCytotoxic T lymphocytesHIV-1 provirusT lymphocytesHIV-1-specific cytotoxic T lymphocytesDefective provirusesHIV-1-infected individualsDefective HIV-1 provirusesHIV-1 latency reversalMajor splice donorHIV-1 transcriptsAntiretroviral therapyMemory CD4Latency reversalCTL epitopesHIV-1Proviral landscapeLymphocytesProvirusCellsNovel splice siteAberrant translationCD4Therapy