2022
Correlation between CD4/CD8 ratio and neurocognitive performance during early HIV infection
Le LT, Price RW, Gisslén M, Zetterberg H, Emu B, Fabre R, Christian P, Andersen S, Spudich S, Vassallo M. Correlation between CD4/CD8 ratio and neurocognitive performance during early HIV infection. HIV Medicine 2022, 24: 442-452. PMID: 36134890, DOI: 10.1111/hiv.13411.Peer-Reviewed Original ResearchConceptsCD4/CD8 ratioPrimary HIV infectionCD8 ratioImmune activationHIV infectionNeuronal injuryAntiretroviral treatmentNeurocognitive performanceMean CD4/CD8 ratioCSF neurofilament light chainART-naïve participantsEarly HIV infectionCerebrospinal fluid markersNeurofilament light chainNeuropsychological testing performancePsychomotor speed performancePHI participantsStudy cohortCSF markersChronic infectionBrain injuryRetrospective analysisFluid markersInfectionInjuryHIV Disease Dynamics and Markers of Inflammation and CNS Injury During Primary HIV Infection and Their Relationship to Cognitive Performance
Longino AA, Paul R, Wang Y, Lama JR, Brandes P, Ruiz E, Correa C, Keating S, Spudich SS, Pilcher C, Vecchio A, Pasalar S, Ignacio R, Valdez R, Dasgupta S, Robertson K, Duerr A. HIV Disease Dynamics and Markers of Inflammation and CNS Injury During Primary HIV Infection and Their Relationship to Cognitive Performance. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2022, 89: 183-190. PMID: 34629415, PMCID: PMC8752485, DOI: 10.1097/qai.0000000000002832.Peer-Reviewed Original ResearchConceptsAcute HIV infectionAntiretroviral therapyHIV infectionWeek 192CNS injuryCSF biomarkersNP scoresHigher pre-ART VLCognitive performanceChronic cognitive symptomsSustained antiretroviral therapyPrimary HIV infectionMarkers of inflammationCerebrospinal fluid biomarkersPsychosocial risk factorsART initiationCNS inflammationNeuronal injuryAcute infectionImmune activationFluid biomarkersRisk factorsHIV disease dynamicsInjury peaksCognitive symptoms
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 markersSingle-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
2017
Neurofilament light chain protein as a marker of neuronal injury: review of its use in HIV-1 infection and reference values for HIV-negative controls
Yilmaz A, Blennow K, Hagberg L, Nilsson S, Price RW, Schouten J, Spudich S, Underwood J, Zetterberg H, Gisslén M. Neurofilament light chain protein as a marker of neuronal injury: review of its use in HIV-1 infection and reference values for HIV-negative controls. Expert Review Of Molecular Diagnostics 2017, 17: 761-770. PMID: 28598205, DOI: 10.1080/14737159.2017.1341313.Peer-Reviewed Original ResearchConceptsHIV-negative controlsCSF NFL concentrationsNeuronal injuryNeurofilament proteinNfL concentrationsNeurofilament light chain proteinHIV CNS infectionEarly acute phaseHIV-1 infectionAge-related upper limitCNS infectionsSevere immunosuppressionAntiretroviral treatmentHIV infectionNeuronal damageAcute phaseCNS injuryCSF biomarkersLumbar punctureCSF concentrationsNerve conductionNeurological conditionsSensitive markerNeurological diseasesLight chain proteinBlood-Brain Barrier Disruption Is Initiated During Primary HIV Infection and Not Rapidly Altered by Antiretroviral Therapy
Rahimy E, Li FY, Hagberg L, Fuchs D, Robertson K, Meyerhoff DJ, Zetterberg H, Price RW, Gisslén M, Spudich S. Blood-Brain Barrier Disruption Is Initiated During Primary HIV Infection and Not Rapidly Altered by Antiretroviral Therapy. The Journal Of Infectious Diseases 2017, 215: 1132-1140. PMID: 28368497, PMCID: PMC5426376, DOI: 10.1093/infdis/jix013.Peer-Reviewed Original ResearchConceptsPrimary HIV infectionCombination antiretroviral therapyHIV infectionNeurofilament light chainAntiretroviral therapyCreatinine levelsCerebrospinal fluidN-acetylaspartateAbnormal blood-brain barrier (BBB) permeabilityPrimary human immunodeficiency virus (HIV) infectionBlood-brain barrier disruptionHuman immunodeficiency virus (HIV) infectionBlood-brain barrier permeabilityNeuropsychological performanceImmunodeficiency virus infectionParietal gray matterYears of treatmentLongitudinal observational studyCART durationCART initiationMedian intervalNeuronal injuryAlbumin quotientNfL levelsCSF levels
2015
Plasma Concentration of the Neurofilament Light Protein (NFL) is a Biomarker of CNS Injury in HIV Infection: A Cross-Sectional Study
Gisslén M, Price RW, Andreasson U, Norgren N, Nilsson S, Hagberg L, Fuchs D, Spudich S, Blennow K, Zetterberg H. Plasma Concentration of the Neurofilament Light Protein (NFL) is a Biomarker of CNS Injury in HIV Infection: A Cross-Sectional Study. EBioMedicine 2015, 3: 135-140. PMID: 26870824, PMCID: PMC4739412, DOI: 10.1016/j.ebiom.2015.11.036.Peer-Reviewed Original ResearchConceptsNeurofilament light proteinHIV-associated dementiaCSF NFL concentrationsCNS injuryHIV infectionNfL concentrationsPlasma concentrationsCSF neurofilament light proteinNeurofilament light chain proteinSingle molecule array immunoassayHIV-negative controlsUntreated HIV infectionReliable blood biomarkersCross-sectional studySimilar age-related increasesAge-related increaseResearch settingsNFL changesHIV-negativeViral suppressionNeuronal injuryAntiretroviral treatmentHIV-positiveCross-sectional designSystemic diseaseAbsence of Cerebrospinal Fluid Signs of Neuronal Injury Before and After Immediate Antiretroviral Therapy in Acute HIV Infection
Peluso MJ, Valcour V, Ananworanich J, Sithinamsuwan P, Chalermchai T, Fletcher JL, Lerdlum S, Chomchey N, Slike B, Sailasuta N, Gisslén M, Zetterberg H, Spudich S, Teams O. Absence of Cerebrospinal Fluid Signs of Neuronal Injury Before and After Immediate Antiretroviral Therapy in Acute HIV Infection. The Journal Of Infectious Diseases 2015, 212: 1759-1767. PMID: 25995196, PMCID: PMC4633761, DOI: 10.1093/infdis/jiv296.Peer-Reviewed Original ResearchConceptsCombination antiretroviral therapyAcute HIV infectionCSF NfL levelsNeurofilament light chainChronic HIV infectionHIV infectionNfL levelsParietal gray matterFrontal white matterNeuronal injuryAcute infectionGray matterCART initiationAntiretroviral therapyAcute human immunodeficiency virus (HIV) infectionCerebrospinal fluid neurofilament light chainProton magnetic resonance spectroscopic findingsWhite matterHuman immunodeficiency virus (HIV) infectionN-acetylaspartate/creatineMagnetic resonance spectroscopic findingsImmediate antiretroviral therapyImmunodeficiency virus infectionFrontal gray matterAxonal injury
2014
Cerebrospinal Fluid (CSF) Neuronal Biomarkers across the Spectrum of HIV Infection: Hierarchy of Injury and Detection
Peterson J, Gisslen M, Zetterberg H, Fuchs D, Shacklett BL, Hagberg L, Yiannoutsos CT, Spudich SS, Price RW. Cerebrospinal Fluid (CSF) Neuronal Biomarkers across the Spectrum of HIV Infection: Hierarchy of Injury and Detection. PLOS ONE 2014, 9: e116081. PMID: 25541953, PMCID: PMC4277428, DOI: 10.1371/journal.pone.0116081.Peer-Reviewed Original ResearchConceptsNeurofilament light chain proteinT-tau levelsNeuronal biomarkersViral suppressionHIV infectionPrimary infectionCentral nervous system HIV infectionCSF t-tau levelsCSF Aβ peptidesHIV disease progressionAge-adjusted normsSoluble amyloid precursorHierarchy of sensitivityBlood CD4CD4 50HAD patientsHAD subjectsCD4 declineNeuronal injuryCross-sectional designProgressive injuryHIV progressionCSF biomarkersCSF concentrationsDisease progression
2013
Cerebrospinal Fluid and Neuroimaging Biomarker Abnormalities Suggest Early Neurological Injury in a Subset of Individuals During Primary HIV Infection
Peluso MJ, Meyerhoff DJ, Price RW, Peterson J, Lee E, Young AC, Walter R, Fuchs D, Brew BJ, Cinque P, Robertson K, Hagberg L, Zetterberg H, Gisslén M, Spudich S. Cerebrospinal Fluid and Neuroimaging Biomarker Abnormalities Suggest Early Neurological Injury in a Subset of Individuals During Primary HIV Infection. The Journal Of Infectious Diseases 2013, 207: 1703-1712. PMID: 23460748, PMCID: PMC3636785, DOI: 10.1093/infdis/jit088.Peer-Reviewed Original ResearchConceptsPrimary HIV infectionNeurofilament light chainHIV infectionAmyloid precursor proteinCerebrospinal fluidNeuronal injuryT-tauCSF/plasma albumin ratioPrimary human immunodeficiency virus (HIV) infectionCentral nervous system inflammationHuman immunodeficiency virus (HIV) infectionSoluble amyloid precursor proteinGamma-induced protein 10Primary infection groupNervous system inflammationImmunodeficiency virus infectionEarly neuronal injuryPlasma albumin ratioParietal gray matterGlutamate/creatineLight chainPrecursor proteinProton magnetic resonance spectroscopyFrontal white matterWhite blood cells
2012
Change in Brain Magnetic Resonance Spectroscopy after Treatment during Acute HIV Infection
Sailasuta N, Ross W, Ananworanich J, Chalermchai T, DeGruttola V, Lerdlum S, Pothisri M, Busovaca E, Ratto-Kim S, Jagodzinski L, Spudich S, Michael N, Kim JH, Valcour V, Phanuphak N, Teeratakulpisarn N, Fletcher J, Suttichom D, Pinyakorn S, Rattanamanee S, Chomchey N, Mangum P, Ubolyam S, Suwanwela N, Chaisinanunkul N, Suthiponpaisan U, Sutthapas C, deSouza M, Ngauy V, Trichavaroj R, Akapirat S, Marovich M, Wendelken L, Busovaca E, Liu C, Mun E, Miller B. Change in Brain Magnetic Resonance Spectroscopy after Treatment during Acute HIV Infection. PLOS ONE 2012, 7: e49272. PMID: 23229129, PMCID: PMC3500278, DOI: 10.1371/journal.pone.0049272.Peer-Reviewed Original ResearchConceptsOccipital gray matterAntiretroviral therapyHIV infectionFrontal gray matterFrontal white matterN-acetyl aspartateBasal gangliaControl subjectsGray matterHIV-negative control subjectsInitiation of ARTSingle-voxel proton magnetic resonance spectroscopyBrain magnetic resonance spectroscopyAcute HIV infectionEarly antiretroviral therapyBrain metabolite levelsNegative control subjectsProton magnetic resonance spectroscopyMagnetic resonance spectroscopyHIV subjectsBrain inflammationNeuronal injuryHIV casesCNS injuryCellular inflammation