2023
Brain volumetrics differ by Fiebig stage in acute HIV infection
Bolzenius J, Sacdalan C, Ndhlovu L, Sailasuta N, Trautmann L, Tipsuk S, Crowell T, Suttichom D, Colby D, Phanuphak N, Chan P, Premeaux T, Kroon E, Vasan S, Hsu D, Valcour V, Ananworanich J, Robb M, Ake J, Pohl K, Sriplienchan S, Spudich S, Paul R. Brain volumetrics differ by Fiebig stage in acute HIV infection. AIDS 2023, 37: 861-869. PMID: 36723491, PMCID: PMC10079583, DOI: 10.1097/qad.0000000000003496.Peer-Reviewed Original ResearchConceptsAcute HIV infectionNucleus accumbensFiebig stagesAcute infectionHIV infectionCaudate nucleusBrain volumeLower regional brain volumesAntiretroviral therapy initiationMarkers of neuroinflammationBrain volume alterationsCross-sectional studyRegional brain volumesT1-weighted scansTherapy initiationChronic infectionBrain volumetricsBrain disruptionThai malesViral factorsPutamenVolume alterationsAccumbensInfectionStimulant use
2021
Preliminary In Vivo Evidence of Reduced Synaptic Density in Human Immunodeficiency Virus (HIV) Despite Antiretroviral Therapy
Weiss JJ, Calvi R, Naganawa M, Toyonaga T, Farhadian SF, Chintanaphol M, Chiarella J, Zheng MQ, Ropchan J, Huang Y, Pietrzak RH, Carson RE, Spudich S. Preliminary In Vivo Evidence of Reduced Synaptic Density in Human Immunodeficiency Virus (HIV) Despite Antiretroviral Therapy. Clinical Infectious Diseases 2021, 73: 1404-1411. PMID: 34050746, PMCID: PMC8528400, DOI: 10.1093/cid/ciab484.Peer-Reviewed Original ResearchConceptsHuman immunodeficiency virusAntiretroviral therapySynaptic densityMagnetic resonance imagingMale PLWHImmunodeficiency virusUnderwent magnetic resonance imagingPositron emission tomographicCross-sectional pilotHIV neuropathogenesisViral suppressionCommon complicationSynaptic injuryNeurological impairmentDynamic biomarkersPLWHTherapeutic studiesCortical areasMotor coordinationPathological hallmarkPET scanningPromising biomarkerTherapeutic interventionsResonance imagingPegboard performance
2020
Central Nervous System Safety During Brief Analytic Treatment Interruption of Antiretroviral Therapy Within 4 Human Immunodeficiency Virus Remission Trials: An Observational Study in Acutely Treated People Living With Human Immunodeficiency Virus
Hellmuth J, Muccini C, Colby DJ, Kroon E, de Souza M, Crowell TA, Chan P, Sacdalan C, Intasan J, Benjapornpong K, Tipsuk S, Puttamaswin S, Chomchey N, Valcour V, Sarnecki M, Tomaka F, Krebs SJ, Slike BM, Jagodzinski LL, Dumrongpisutikul N, Sailasuta N, Samboju V, Michael NL, Robb ML, Vasan S, Ananworanich J, Phanuphak P, Phanuphak N, Paul R, Spudich S. Central Nervous System Safety During Brief Analytic Treatment Interruption of Antiretroviral Therapy Within 4 Human Immunodeficiency Virus Remission Trials: An Observational Study in Acutely Treated People Living With Human Immunodeficiency Virus. Clinical Infectious Diseases 2020, 73: e1885-e1892. PMID: 32916708, PMCID: PMC8492357, DOI: 10.1093/cid/ciaa1344.Peer-Reviewed Original ResearchConceptsAnalytic treatment interruptionHuman immunodeficiency virusAntiretroviral therapyCentral nervous systemRemission trialsDiffusion tensor imagingTreatment interruptionMedian timeImmunodeficiency virusCentral nervous system safetyCSF HIV-1 RNAAdverse CNS effectsAcute HIV infectionImmune activation markersPlasma viral loadHIV-1 RNAMedian participant ageCerebrospinal fluid samplingCognitive performanceHIV remission trialsBrain diffusion tensor imagingMagnetic resonance spectroscopyART resumptionCNS safetyMild worsening
2019
Defining cerebrospinal fluid HIV RNA escape: editorial review AIDS.
Winston A, Antinori A, Cinque P, Fox HS, Gisslen M, Henrich TJ, Letendre S, Persaud D, Price RW, Spudich S. Defining cerebrospinal fluid HIV RNA escape: editorial review AIDS. AIDS 2019, 33 Suppl 2: s107-s111. PMID: 31790376, DOI: 10.1097/qad.0000000000002252.Peer-Reviewed Original Research
2018
Distribution of Human Immunodeficiency Virus (HIV) Ribonucleic Acid in Cerebrospinal Fluid and Blood Is Linked to CD4/CD8 Ratio During Acute HIV
Chan P, Patel P, Hellmuth J, Colby DJ, Kroon E, Sacdalan C, Pinyakorn S, Jagodzinski L, Krebs S, Ananworanich J, Valcour V, Spudich S, Team R. Distribution of Human Immunodeficiency Virus (HIV) Ribonucleic Acid in Cerebrospinal Fluid and Blood Is Linked to CD4/CD8 Ratio During Acute HIV. The Journal Of Infectious Diseases 2018, 218: 937-945. PMID: 29741638, PMCID: PMC6093332, DOI: 10.1093/infdis/jiy260.Peer-Reviewed Original ResearchConceptsCD4/CD8 ratioCSF HIV RNAHIV RNACD8 ratioCerebrospinal fluidHIV infectionHuman immunodeficiency virus ribonucleic acidCerebrospinal fluid (CSF) immune markersLog10 copies/mLStage I/IIHuman immunodeficiency virus (HIV) RNAChronic HIV infectionHigher CSF neopterinAcute HIV infectionPlasma HIV RNACopies/mLHuman immunodeficiency virus ribonucleic acid levelsRibonucleic acid levelsVirus ribonucleic acidAcute HIVCSF neopterinSCD14 levelsAcute infectionMedian ageImmune markers
2015
Neuropathogenesis of HIV: From Initial Neuroinvasion to HIV-Associated Neurocognitive Disorder (HAND)
Zayyad Z, Spudich S. Neuropathogenesis of HIV: From Initial Neuroinvasion to HIV-Associated Neurocognitive Disorder (HAND). Current HIV/AIDS Reports 2015, 12: 16-24. PMID: 25604237, PMCID: PMC4741099, DOI: 10.1007/s11904-014-0255-3.Peer-Reviewed Original ResearchConceptsHIV-Associated Neurocognitive DisordersCentral nervous systemCombination antiretroviral therapyNeurocognitive disordersTissue reservoirsInitial viral entryTargets of infectionCourse of infectionEarly-stage infectionHIV eradicationAntiretroviral therapyHIV neuropathogenesisSevere immunosuppressionClinical symptomsHIV replicationHIV epidemicLocal infectionCNS cellsPathological involvementPathogenetic processSevere formNervous systemNeurological diseasesAdvanced stageHIV
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