2018
Single-cell RNA sequencing reveals microglia-like cells in cerebrospinal fluid during virologically suppressed HIV
Farhadian SF, Mehta SS, Zografou C, Robertson K, Price RW, Pappalardo J, Chiarella J, Hafler DA, Spudich SS. Single-cell RNA sequencing reveals microglia-like cells in cerebrospinal fluid during virologically suppressed HIV. JCI Insight 2018, 3: e121718. PMID: 30232286, PMCID: PMC6237230, DOI: 10.1172/jci.insight.121718.Peer-Reviewed Original ResearchConceptsCerebrospinal fluidHIV infectionImmune activationAntiretroviral therapyNeuronal injuryCentral nervous system immune activationLong-term suppressive antiretroviral therapySingle-cell RNA sequencingCNS immune activationDisease-associated microgliaSuppressive antiretroviral therapyImmune cell subsetsMicroglia-like cellsGene expression signaturesNeuronal damageNeuroinflammatory diseasesRNA sequencingCell subsetsCNS cellsNeurological conditionsRare subsetNeurocognitive impairmentMyeloid cellsCellular subsetsInfection
2014
Progressive increase in central nervous system immune activation in untreated primary HIV-1 infection
Suh J, Sinclair E, Peterson J, Lee E, Kyriakides TC, Li FY, Hagberg L, Fuchs D, Price RW, Gisslen M, Spudich S. Progressive increase in central nervous system immune activation in untreated primary HIV-1 infection. Journal Of Neuroinflammation 2014, 11: 199. PMID: 25465205, PMCID: PMC4263211, DOI: 10.1186/s12974-014-0199-y.Peer-Reviewed Original ResearchConceptsPrimary HIV-1 infectionHIV-1 infectionCSF neopterinCerebrospinal fluidT cellsHIV infectionCentral nervous system immune activationUntreated primary HIV-1 infectionBaseline levelsEarly HIV-1 infectionCSF neopterin concentrationsNervous system inflammationMixed effects modelsCluster of differentiationMajority of subjectsCNS inflammationSystem inflammationAverage followNeopterin concentrationsHIV transmissionImmune activationLumbar punctureResultsA totalIntrathecal inflammationNatural coursePeripheral Neuropathy in Primary HIV Infection Associates With Systemic and Central Nervous System Immune Activation
Wang SX, Ho EL, Grill M, Lee E, Peterson J, Robertson K, Fuchs D, Sinclair E, Price RW, Spudich S. Peripheral Neuropathy in Primary HIV Infection Associates With Systemic and Central Nervous System Immune Activation. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2014, 66: 303-310. PMID: 24732871, PMCID: PMC4147038, DOI: 10.1097/qai.0000000000000167.Peer-Reviewed Original ResearchConceptsPrimary HIV infectionPeripheral neuropathyCerebrospinal fluidHIV infectionHIV transmissionPN subjectsCentral nervous system immune activationCSF white blood cell countPlasma HIV RNA levelsSigns of PNWhite blood cell countChronic HIV infectionHIV RNA levelsCD8 T lymphocytesDetailed neurologic examinationSymptomatic peripheral neuropathyBlood cell countChemoattractant protein-1Blood CD4Blood neopterinCD8 countsCSF neopterinBilateral findingsFrequent complicationAnalysis of blood
2011
Central Nervous System Immune Activation Characterizes Primary Human Immunodeficiency Virus 1 Infection Even in Participants With Minimal Cerebrospinal Fluid Viral Burden
Spudich S, Gisslen M, Hagberg L, Lee E, Liegler T, Brew B, Fuchs D, Tambussi G, Cinque P, Hecht FM, Price RW. Central Nervous System Immune Activation Characterizes Primary Human Immunodeficiency Virus 1 Infection Even in Participants With Minimal Cerebrospinal Fluid Viral Burden. The Journal Of Infectious Diseases 2011, 204: 753-760. PMID: 21844301, PMCID: PMC3156103, DOI: 10.1093/infdis/jir387.Peer-Reviewed Original ResearchConceptsWhite blood cell countCSF HIV RNAPrimary HIV infectionHIV RNACerebrospinal fluidPHI participantsImmune activationAlbumin ratioPrimary human immunodeficiency virus-1 infectionCentral nervous system immune activationCSF white blood cell countHuman immunodeficiency virus-1 (HIV-1) infectionHuman immunodeficiency virus (HIV) infectionHigher albumin ratioHIV-seronegative controlsImmunodeficiency virus infectionHIV-seronegative participantsCells/μLLow cerebrospinal fluidBlood cell countVirus-1 infectionCross-sectional studyMagnitude of infectionCXCL10 concentrationsPHI patients
2010
Cerebrospinal fluid neopterin: an informative biomarker of central nervous system immune activation in HIV-1 infection
Hagberg L, Cinque P, Gisslen M, Brew BJ, Spudich S, Bestetti A, Price RW, Fuchs D. Cerebrospinal fluid neopterin: an informative biomarker of central nervous system immune activation in HIV-1 infection. AIDS Research And Therapy 2010, 7: 15. PMID: 20525234, PMCID: PMC2890504, DOI: 10.1186/1742-6405-7-15.Peer-Reviewed Original ResearchCSF HIV RNACSF neopterin concentrationsCSF neopterinCentral nervous systemIntrathecal immunoactivationCNS infectionsHIV RNANeopterin concentrationsImmune activationCerebrospinal fluidCentral nervous system immune activationNeurological diseasesBlood CD4 cell countCNS HIV infectionIntrathecal immune activationOngoing brain injuryOpportunistic CNS infectionsCD4 cell countCombination antiretroviral therapyCNS opportunistic infectionsMacrophage activation markersHIV-1 infectionSuppression of plasmaUntreated AIDS patientsAbsence of treatment