2023
Rebound HIV-1 in cerebrospinal fluid after antiviral therapy interruption is mainly clonally amplified R5 T cell-tropic virus
Kincer L, Joseph S, Gilleece M, Hauser B, Sizemore S, Zhou S, Di Germanio C, Zetterberg H, Fuchs D, Deeks S, Spudich S, Gisslen M, Price R, Swanstrom R. Rebound HIV-1 in cerebrospinal fluid after antiviral therapy interruption is mainly clonally amplified R5 T cell-tropic virus. Nature Microbiology 2023, 8: 260-271. PMID: 36717718, PMCID: PMC10201410, DOI: 10.1038/s41564-022-01306-6.Peer-Reviewed Original ResearchConceptsCentral nervous systemT cell-tropic virusesInfected T cellsCerebrospinal fluidAntiretroviral therapyHIV-1Rebound virusViral loadT cellsMacrophage-tropic HIV-1CSF viral loadSuppressive antiretroviral therapyHIV-1 reservoirMacrophage-tropic virusesHigh viral loadWhite blood cellsTherapy interruptionLatent reservoirLymphoid systemNervous systemSystemic infectionVirus replicationBlood cellsTransient influxVirusHIV-1 is Transported into the Central Nervous System by Trafficking Infected Cells
Kincer L, Schnell G, Swanstrom R, Miller M, Spudich S, Eron J, Price R, Joseph S. HIV-1 is Transported into the Central Nervous System by Trafficking Infected Cells. Pathogens And Immunity 2023, 7: 131-142. PMID: 36865569, PMCID: PMC9973728, DOI: 10.20411/pai.v7i2.524.Peer-Reviewed Original ResearchBlood-cerebrospinal fluid barrierBlood-brain barrierCentral nervous systemHIV-1Cerebrospinal fluidInfected cellsCSF samplesNervous systemCo-infected participantsHCV viral loadHIV-1 replicationCross-sectional studyMigration of HIVHIV-1 particlesHIV-1 populationsBlood plasmaHCV concentrationAntiviral regimensViral loadHCV entryInflammatory responseFluid barrierHCVVirus entryNormal surveillance
2022
Individual Differences in CD4/CD8 T-Cell Ratio Trajectories and Associated Risk Profiles Modeled From Acute HIV Infection
Paul R, Cho K, Bolzenius J, Sacdalan C, Ndhlovu LC, Trautmann L, Krebs S, Tipsuk S, Crowell TA, Suttichom D, Colby DJ, Premeaux TA, Phanuphak N, Chan P, Kroon E, Vasan S, Hsu D, Carrico A, Valcour V, Ananworanich J, Robb ML, Ake JA, Sriplienchan S, Spudich S, Team F. Individual Differences in CD4/CD8 T-Cell Ratio Trajectories and Associated Risk Profiles Modeled From Acute HIV Infection. Psychosomatic Medicine 2022, 84: 976-983. PMID: 36162059, PMCID: PMC9553252, DOI: 10.1097/psy.0000000000001129.Peer-Reviewed Original ResearchConceptsAcute HIV infectionCD4/CD8 T-cell ratioCD8 T-cell ratioAntiretroviral therapyT-cell countsT-cell recoveryT cell ratioHigh viral loadViral loadHigh CD8Slower CD4HIV infectionLower white blood cell countWeeks of ARTRisk profileWhite blood cell countT-cell trajectoriesMedian viral loadStandard antiretroviral therapyBlood cell countLower eosinophil countsWorse mental healthAHI participantsART onsetFiebig I
2021
Abrupt and altered cell-type specific DNA methylation profiles in blood during acute HIV infection persists despite prompt initiation of ART
Corley MJ, Sacdalan C, Pang APS, Chomchey N, Ratnaratorn N, Valcour V, Kroon E, Cho KS, Belden AC, Colby D, Robb M, Hsu D, Spudich S, Paul R, Vasan S, Ndhlovu LC, . Abrupt and altered cell-type specific DNA methylation profiles in blood during acute HIV infection persists despite prompt initiation of ART. PLOS Pathogens 2021, 17: e1009785. PMID: 34388205, PMCID: PMC8386872, DOI: 10.1371/journal.ppat.1009785.Peer-Reviewed Original ResearchConceptsAntiretroviral therapyT lymphocytesCD4/CD8 ratioHIV infection cohortHost epigenetic landscapeAcute HIV infectionSpecific DNA methylation profileInfection cohortInfection HIVCD4 countCD8 ratioHIV infectionPrompt initiationViral loadHIV medicineViral persistenceEarly initiationT cellsHIV-1Disease pathogenesisClinical phenotypeMonocytesCD4HIVLymphocytes
2020
A randomized trial of vorinostat with treatment interruption after initiating antiretroviral therapy during acute HIV-1 infection
Kroon EDMB, Ananworanich J, Pagliuzza A, Rhodes A, Phanuphak N, Trautmann L, Mitchell JL, Chintanaphol M, Intasan J, Pinyakorn S, Benjapornpong K, Chang JJ, Colby DJ, Chomchey N, Fletcher JLK, Eubanks K, Yang H, Kapson J, Dantanarayana A, Tennakoon S, Gorelick RJ, Maldarelli F, Robb ML, Kim JH, Spudich S, Chomont N, Phanuphak P, Lewin SR, de Souza MS, Teams F. A randomized trial of vorinostat with treatment interruption after initiating antiretroviral therapy during acute HIV-1 infection. Journal Of Virus Eradication 2020, 6: 100004. PMID: 33251022, PMCID: PMC7646672, DOI: 10.1016/j.jve.2020.100004.Peer-Reviewed Original ResearchAcute HIV infectionAntiretroviral therapyTreatment interruptionViral loadAcute HIV-1 infectionHIV RNA copies/Open-label pilot studyPeripheral blood mononuclear cellsControl HIV replicationSubsequent treatment interruptionTotal HIV DNASerious adverse eventsHIV viral loadPlasma viral loadRNA copies/HIV-1 infectionBlood mononuclear cellsCopies/mLProportion of participantsCell-associated RNAAlternative treatment strategiesHistone deacetylase inhibitorsVL reboundHIV RNAViral reboundFeasibility and safety of research sigmoid colon biopsy in a cohort of Thai men who have sex with men with acute HIV-1
Chintanaphol M, Sacdalan C, Pinyakorn S, Rerknimitr R, Ridtitid W, Prueksapanich P, Sereti I, Schuetz A, Crowell TA, Colby DJ, Robb ML, Phanuphak N, Ananworanich J, Spudich SS, Kroon E. Feasibility and safety of research sigmoid colon biopsy in a cohort of Thai men who have sex with men with acute HIV-1. Journal Of Virus Eradication 2020, 6: 7-10. PMID: 32175085, PMCID: PMC7043900, DOI: 10.1016/s2055-6640(20)30011-x.Peer-Reviewed Original ResearchAcute HIV-1 infectionGut-associated lymphoid tissueHIV-1 reservoirSigmoid colon biopsiesAdverse eventsAE riskSigmoid colonColon biopsiesHIV-1CD4 T-cell depletionCD4 T-cell countAcute HIV-1Mild rectal bleedingAdverse event incidenceT-cell countsHigh viral replicationT-cell depletionHIV-1 infectionHIV-1 RNATime of biopsyIncidence rate ratiosRectal bleedingAbdominal discomfortEvent incidenceViral load
2019
Recommendations for analytical antiretroviral treatment interruptions in HIV research trials—report of a consensus meeting
Julg B, Dee L, Ananworanich J, Barouch DH, Bar K, Caskey M, Colby DJ, Dawson L, Dong KL, Dubé K, Eron J, Frater J, Gandhi RT, Geleziunas R, Goulder P, Hanna GJ, Jefferys R, Johnston R, Kuritzkes D, Li JZ, Likhitwonnawut U, van Lunzen J, Martinez-Picado J, Miller V, Montaner LJ, Nixon DF, Palm D, Pantaleo G, Peay H, Persaud D, Salzwedel J, Salzwedel K, Schacker T, Sheikh V, Søgaard OS, Spudich S, Stephenson K, Sugarman J, Taylor J, Tebas P, Tiemessen CT, Tressler R, Weiss CD, Zheng L, Robb ML, Michael NL, Mellors JW, Deeks SG, Walker BD. Recommendations for analytical antiretroviral treatment interruptions in HIV research trials—report of a consensus meeting. The Lancet HIV 2019, 6: e259-e268. PMID: 30885693, PMCID: PMC6688772, DOI: 10.1016/s2352-3018(19)30052-9.Peer-Reviewed Original ResearchConceptsAnalytical antiretroviral treatment interruptionsAntiretroviral treatment interruptionAntiretroviral therapyHIV researchTreatment interruptionSustained viral controlSafety of interventionsNovel therapeutic interventionsViral setpointViral suppressionViral loadImmunological markersViral controlConsensus meetingTrial designConcept trialTherapeutic interventionsTrialsInterventionRiskATI studiesMeeting of stakeholdersAdvocacy groupsHIVGroup
2018
Safety of lumbar puncture procedure in an international research setting during acute HIV infection
Chan P, Hellmuth J, Colby D, Kroon E, Sacdalan C, Fletcher J, Patel P, Pinyakorn S, Valcour V, Ananworanich J, Spudich S. Safety of lumbar puncture procedure in an international research setting during acute HIV infection. Journal Of Virus Eradication 2018, 4: 16-20. PMID: 29568548, PMCID: PMC5851179, DOI: 10.1016/s2055-6640(20)30236-3.Peer-Reviewed Original ResearchPost-lumbar puncture headacheAcute HIV infectionCombination antiretroviral therapyBody mass indexLumbar punctureHIV infectionAtraumatic needlesCerebrospinal fluidCSF HIV viral loadHigher body mass indexT-lymphocyte countsAcute retroviral syndromeHIV viral loadFrequency of PPHCerebrospinal fluid volumeLumbar puncture procedureCART initiationAntiretroviral therapyLymphocyte countMass indexViral loadPuncture headacheClinical recordsLongitudinal visitsSubgroup analysis
2016
HIV-Associated Neurologic Disorders and Central Nervous System Opportunistic Infections in HIV
Le LT, Spudich SS. HIV-Associated Neurologic Disorders and Central Nervous System Opportunistic Infections in HIV. Seminars In Neurology 2016, 36: 373-381. PMID: 27643907, DOI: 10.1055/s-0036-1585454.Peer-Reviewed Original ResearchConceptsCombination antiretroviral therapyAsymptomatic neurocognitive impairmentPlasma viral loadViral loadMild neurocognitive disorderCerebral toxoplasmosisCryptococcal meningitisOpportunistic infectionsNeurocognitive disordersCentral nervous system opportunistic infectionsCNS immune reconstitution inflammatory syndromeDetectable plasma viral loadImmune reconstitution inflammatory syndromeCentral nervous system symptomsClassic opportunistic infectionsCSF viral loadProgressive neurologic symptomsReconstitution inflammatory syndromeT-cell countsProgressive multifocal leukoencephalopathyNervous system symptomsPresentation of infectionHigher mortality riskHigher CD4Immune recoveryImmune Activation and HIV-Specific CD8+ T Cells in Cerebrospinal Fluid of HIV Controllers and Noncontrollers
Ganesh A, Lemongello D, Lee E, Peterson J, McLaughlin BE, Ferre AL, Gillespie GM, Fuchs D, Deeks SG, Hunt PW, Price RW, Spudich SS, Shacklett BL. Immune Activation and HIV-Specific CD8+ T Cells in Cerebrospinal Fluid of HIV Controllers and Noncontrollers. AIDS Research And Human Retroviruses 2016, 32: 791-800. PMID: 27019338, PMCID: PMC4971411, DOI: 10.1089/aid.2015.0313.Peer-Reviewed Original ResearchMeSH KeywordsADP-ribosyl Cyclase 1Anti-HIV AgentsAntiretroviral Therapy, Highly ActiveCD4 Lymphocyte CountCD8-Positive T-LymphocytesDisease ResistanceGene ExpressionHIV InfectionsHIV-1HLA-DR AntigensHost-Pathogen InteractionsHumansLeukocyte Common AntigensLymphocyte ActivationReceptors, CCR5Receptors, CCR7RNA, ViralViral LoadViremiaConceptsCentral nervous systemHIV controllersAntiretroviral therapyT cellsCerebrospinal fluidViral loadCopies/HIV-specific T cellsMajor histocompatibility complex class IActivation markers CD38CSF viral loadHIV-specific CD8Undetectable plasma viremiaExpression of CCR5Majority of HIVPlasma viral loadEffector memory cellsHIV-negative controlsHistocompatibility complex class IAbsence of therapyComplex class ILong-term controlPlasma viremiaElite controllersHIV infection
2008
Persistent Intrathecal Immune Activation in HIV-1-Infected Individuals on Antiretroviral Therapy
Yilmaz A, Price RW, Spudich S, Fuchs D, Hagberg L, Gisslén M. Persistent Intrathecal Immune Activation in HIV-1-Infected Individuals on Antiretroviral Therapy. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2008, 47: 168-173. PMID: 17971711, PMCID: PMC2628632, DOI: 10.1097/qai.0b013e31815ace97.Peer-Reviewed Original ResearchConceptsCSF neopterin levelsHIV-1-infected patientsHIV-1-infected individualsCSF neopterin concentrationsCSF viral loadIntrathecal immune activationAntiretroviral therapyHIV-1 RNACopies/mLNeopterin levelsViral loadNeopterin concentrationsImmune activationCSF HIV-1 RNA loadMost HIV-1-infected individualsPlasma HIV-1 RNA levelsCerebrospinal fluid (CSF) neopterin levelsQuantitative HIV-1 RNAHIV-1 RNA levelsHIV-1 RNA loadCell-mediated immune responsesHIV-1 RNA quantificationHIV-1 concentrationsStable antiretroviral therapySuppressive antiretroviral therapy
2005
Cerebrospinal fluid HIV infection and pleocytosis: Relation to systemic infection and antiretroviral treatment
Spudich SS, Nilsson AC, Lollo ND, Liegler TJ, Petropoulos CJ, Deeks SG, Paxinos EE, Price RW. Cerebrospinal fluid HIV infection and pleocytosis: Relation to systemic infection and antiretroviral treatment. BMC Infectious Diseases 2005, 5: 98. PMID: 16266436, PMCID: PMC1299327, DOI: 10.1186/1471-2334-5-98.Peer-Reviewed Original ResearchConceptsAIDS dementia complexCSF HIV viral loadCSF viral loadAntiretroviral therapyHIV viral loadViral loadCD4 countCerebrospinal fluidCSF pleocytosisCSF infectionHIV infectionSystemic infectionHIV RNACSF WBCNeurological performanceCSF white blood cell countResultsIn cross-sectional analysisWhite blood cell countBlood CD4 countCNS HIV infectionCSF HIV RNAHigher CSF WBCLow CD4 countPersistent plasma viremiaHIV RNA levels