2023
Cerebrospinal fluid pleocytosis is associated with HIV-1 neuroinvasion during acute infection
Chan P, Moreland S, Sacdalan C, Kroon E, Colby D, Sriplienchan S, Pinyakorn S, Phanuphak N, Jagodzinski L, Valcour V, Vasan S, Paul R, Trautmann L, Spudich S, Team O. Cerebrospinal fluid pleocytosis is associated with HIV-1 neuroinvasion during acute infection. AIDS 2023, 38: 373-378. PMID: 37916464, PMCID: PMC10842649, DOI: 10.1097/qad.0000000000003777.Peer-Reviewed Original ResearchCSF HIV-1 RNAWhite blood cell countHIV-1 RNAAcute HIV infectionCp/mLCSF pleocytosisCSF samplesLower plasmaCerebrospinal fluid white blood cell countMedian CSF white blood cell countStage ICSF white blood cell countDetectable HIV-1 RNAFiebig stage IIIFiebig stages ICerebrospinal fluid pleocytosisT-cell countsAcute retroviral syndromeHigh viral loadBlood cell countCells/Blood CD4Acute infectionHIV infectionMedian age
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 IImmunological, Cognitive, and Psychiatric Outcomes After Initiating Efavirenz- and Dolutegravir-based Antiretroviral Therapy During Acute Human Immunodeficiency Virus Infection
Chan P, Yoon B, Colby D, Kroon E, Sacdalan C, Sriplienchan S, Pinyakorn S, Ananworanich J, Valcour V, Vasan S, Hsu D, Phanuphak N, Paul R, Spudich S. Immunological, Cognitive, and Psychiatric Outcomes After Initiating Efavirenz- and Dolutegravir-based Antiretroviral Therapy During Acute Human Immunodeficiency Virus Infection. Clinical Infectious Diseases 2022, 76: e718-e726. PMID: 35687498, PMCID: PMC9907536, DOI: 10.1093/cid/ciac466.Peer-Reviewed Original ResearchConceptsAcute HIV-1 infectionT-cell countsDTG-based antiretroviral therapyAntiretroviral therapyDTG groupEFV groupWeek 96Week 24CD4/CD8 ratioNucleoside reverse transcriptase inhibitorHuman immunodeficiency virus type 1Immunodeficiency virus type 1Fiebig stages IPlasma viral suppressionAcute HIV infectionTreatment-naive individualsHIV-1 infectionPatient Health QuestionnaireReverse transcriptase inhibitorVirus type 1Greater incrementART regimensCD8 ratioViral suppressionHIV infection
2020
Determinants of suboptimal CD4+ T cell recovery after antiretroviral therapy initiation in a prospective cohort of acute HIV‐1 infection
Handoko R, Colby DJ, Kroon E, Sacdalan C, de Souza M, Pinyakorn S, Prueksakaew P, Munkong C, Ubolyam S, Akapirat S, Chiarella J, Krebs S, Sereti I, Valcour V, Paul R, Michael NL, Phanuphak N, Ananworanich J, Spudich S, Team T. Determinants of suboptimal CD4+ T cell recovery after antiretroviral therapy initiation in a prospective cohort of acute HIV‐1 infection. Journal Of The International AIDS Society 2020, 23: e25585. PMID: 32949118, PMCID: PMC7507109, DOI: 10.1002/jia2.25585.Peer-Reviewed Original ResearchConceptsAcute HIV infectionCD4/CD8 ratioSuboptimal CD4 recoveryAntiretroviral therapyCD4 countImmune recoveryCD4 recoveryCD8 ratioStudy visitAcute HIV-1 infectionPre-ART CD4 countLower CD8 countsPlasma viral suppressionSuboptimal immune recoveryAntiretroviral therapy initiationT-cell countsT-cell recoveryHIV-1 infectionCopies/mLLower IL-6Cells/ART initiationCD4 rateCD8 countsChronic HIVFeasibility 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
2018
CSF concentrations of soluble TREM2 as a marker of microglial activation in HIV-1 infection
Gisslén M, Heslegrave A, Veleva E, Yilmaz A, Andersson LM, Hagberg L, Spudich S, Fuchs D, Price RW, Zetterberg H. CSF concentrations of soluble TREM2 as a marker of microglial activation in HIV-1 infection. Neurology Neuroimmunology & Neuroinflammation 2018, 6: e512. PMID: 30568991, PMCID: PMC6278890, DOI: 10.1212/nxi.0000000000000512.Peer-Reviewed Original ResearchConceptsHIV-1 infectionHIV-negative controlsMicroglial activationNeuronal injuryCSF concentrationsUntreated HIV-1-infected patientsHIV-1 disease severityHIV-1-infected adultsMacrophage/microglial activationHIV-1-infected patientsRetrospective cross-sectional studyUntreated HIV-1 infectionCNS immune activationCSF sTREM2 levelsSuppressive antiretroviral treatmentT-cell countsMicroglial activation markersT cell lossLevels of CSFNeurofilament light proteinCross-sectional studyCSF sTREM2STREM2 levelsAntiretroviral treatmentActivation markersCentral Nervous System Inflammation and Infection during Early, Nonaccelerated Simian-Human Immunodeficiency Virus Infection in Rhesus Macaques
Hsu DC, Sunyakumthorn P, Wegner M, Schuetz A, Silsorn D, Estes JD, Deleage C, Tomusange K, Lakhashe SK, Ruprecht RM, Lombardini E, Im-Erbsin R, Kuncharin Y, Phuang-Ngern Y, Inthawong D, Chuenarom W, Burke R, Robb ML, Ndhlovu LC, Ananworanich J, Valcour V, O'Connell RJ, Spudich S, Michael NL, Vasan S. Central Nervous System Inflammation and Infection during Early, Nonaccelerated Simian-Human Immunodeficiency Virus Infection in Rhesus Macaques. Journal Of Virology 2018, 92: 10.1128/jvi.00222-18. PMID: 29563297, PMCID: PMC5952152, DOI: 10.1128/jvi.00222-18.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CDAntigens, Differentiation, MyelomonocyticBrainCD4 Lymphocyte CountCD4-Positive T-LymphocytesCells, CulturedDisease Models, AnimalHIV-1HumansMacaca mulattaMacrophagesMeningesMicrogliaMonocytesParenchymal TissueReceptors, Cell SurfaceRNA, ViralSimian Acquired Immunodeficiency SyndromeSimian immunodeficiency virusViral LoadConceptsSimian-human immunodeficiency virusSimian immunodeficiency virusCD68/CD163Immunodeficiency virus infectionCentral nervous systemBrain parenchymaHIV envelopeImmunodeficiency virusVirus infectionEarly human immunodeficiency virus (HIV) infectionSimian-human immunodeficiency virus (SHIV) infectionCentral nervous system inflammationHuman immunodeficiency virus (HIV) infectionCentral nervous system involvementPathogenic simian immunodeficiency virusRhesus macaquesT-cell-mediated processEarly clinical courseSHIV-infected animalsNervous system inflammationT-cell countsCell-mediated inflammationNervous system involvementEnd-stage diseaseHIV cure strategies
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 recovery
2012
Cerebrospinal fluid HIV escape associated with progressive neurologic dysfunction in patients on antiretroviral therapy with well controlled plasma viral load
Peluso MJ, Ferretti F, Peterson J, Lee E, Fuchs D, Boschini A, Gisslén M, Angoff N, Price RW, Cinque P, Spudich S. Cerebrospinal fluid HIV escape associated with progressive neurologic dysfunction in patients on antiretroviral therapy with well controlled plasma viral load. AIDS 2012, 26: 1765-1774. PMID: 22614889, PMCID: PMC3881435, DOI: 10.1097/qad.0b013e328355e6b2.Peer-Reviewed Original ResearchConceptsCSF HIV RNAAntiretroviral therapyHIV RNACopies/CSF escapeNeurologic abnormalitiesCerebrospinal fluidMedian CD4 T-cell countDetectable CSF HIV RNAMedian plasma HIV RNACD4 T-cell countCentral nervous system exposureNew neurologic abnormalitiesPlasma HIV levelsPlasma HIV RNAProgressive neurologic abnormalitiesStable ART regimenPlasma viral loadT-cell countsElevated CSF proteinRetrospective case seriesProgressive neurologic dysfunctionUrban medical centerCSF RNAHIV escape
2008
Failure of atorvastatin to modulate CSF HIV-1 infection
Probasco JC, Spudich SS, Critchfield J, Lee E, Lollo N, Deeks SG, Price RW. Failure of atorvastatin to modulate CSF HIV-1 infection. Neurology 2008, 71: 521-524. PMID: 18695163, PMCID: PMC2676982, DOI: 10.1212/01.wnl.0000325006.84658.e7.Peer-Reviewed Original ResearchConceptsHIV-1 infectionHIV-1 RNA levelsT-cell countsCell countIntrathecal immunoactivationNeopterin concentrationsBlood lipidsBlood HIV-1 RNA levelCSF HIV-1 RNA levelsCSF white blood cell countCNS HIV-1 infectionSystemic HIV-1 infectionSingle-arm pilot studyWhite blood cell countPilot studyAntiretroviral-naïve subjectsCells/mulRNA levelsUntreated systemic infectionT-lymphocyte countsSmall uncontrolled studiesEffect of atorvastatinHMG-CoA reductase inhibitorsWeeks of treatmentHIV-1 RNA
2006
Prevalence of CXCR4 Tropism among Antiretroviral-Treated HIV-1–Infected Patients with Detectable Viremia
Hunt PW, Harrigan PR, Huang W, Bates M, Williamson DW, McCune JM, Price RW, Spudich SS, Lampiris H, Hoh R, Leigler T, Martin JN, Deeks SG. Prevalence of CXCR4 Tropism among Antiretroviral-Treated HIV-1–Infected Patients with Detectable Viremia. The Journal Of Infectious Diseases 2006, 194: 926-930. PMID: 16960780, DOI: 10.1086/507312.Peer-Reviewed Original ResearchConceptsT-cell countsX4-tropic virusesCXCR4-tropic virusesDetectable viremiaCell countUntreated human immunodeficiency virusHIV-1-infected patientsClinic-based cohortTreatment-naive participantsT-cell depletionHuman immunodeficiency virusViral coreceptor usageCXCR4 tropismSalvage therapySignificant CD4Advanced immunodeficiencyImmunodeficiency virusCell depletionCoreceptor usageCCR5 inhibitorsLow pretreatmentViremiaCD4VirusPatients
2005
HIV-1 Chemokine Coreceptor Utilization in Paired Cerebrospinal Fluid and Plasma Samples: A Survey of Subjects with Viremia
Spudich SS, Huang W, Nilsson AC, Petropoulos CJ, Liegler TJ, Whitcomb JM, Price RW. HIV-1 Chemokine Coreceptor Utilization in Paired Cerebrospinal Fluid and Plasma Samples: A Survey of Subjects with Viremia. The Journal Of Infectious Diseases 2005, 191: 890-898. PMID: 15717264, DOI: 10.1086/428095.Peer-Reviewed Original ResearchConceptsCerebrospinal fluidImmunodeficiency syndrome dementia complexCD4 T-cell countHuman immunodeficiency virus type 1 (HIV-1) entryMixture of R5Paired Cerebrospinal FluidT-cell countsPlasma samplesSurvey of subjectsHIV-1 populationsAdvanced immunodeficiencyCoreceptor utilizationInhibitor therapyPrincipal coreceptorR5 phenotypeX4 virusesDementia complexR5 virusesR5 tropismChemokine receptorsInfection pathogenesisCell countViral tropismDiscordant tropismCell tropism