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
2009
Compartmentalized Human Immunodeficiency Virus Type 1 Originates from Long-Lived Cells in Some Subjects with HIV-1–Associated Dementia
Schnell G, Spudich S, Harrington P, Price RW, Swanstrom R. Compartmentalized Human Immunodeficiency Virus Type 1 Originates from Long-Lived Cells in Some Subjects with HIV-1–Associated Dementia. PLOS Pathogens 2009, 5: e1000395. PMID: 19390619, PMCID: PMC2668697, DOI: 10.1371/journal.ppat.1000395.Peer-Reviewed Original ResearchConceptsHIV-1-associated dementiaCentral nervous systemAntiretroviral therapyCerebrospinal fluidNeurological diseasesAsymptomatic subjectsHIV-1-associated neurological diseasePeripheral CD4 cell countViral replicationHuman immunodeficiency virus type 1HIV-1 associated dementiaViral decayImmunodeficiency virus type 1HIV-1 genetic variantsCNS drug penetrationRapid viral decayViral decay kineticsCD4 cell countDrug-resistant virusesHigh viral loadHIV-1 variantsVirus type 1Productive viral replicationHAD subjectsCSF pleocytosis
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
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