2024
Transcobalamin receptor antibodies in autoimmune vitamin B12 central deficiency
Pluvinage J, Ngo T, Fouassier C, McDonagh M, Holmes B, Bartley C, Kondapavulur S, Hurabielle C, Bodansky A, Pai V, Hinman S, Aslanpour A, Alvarenga B, Zorn K, Zamecnik C, McCann A, Asencor A, Huynh T, Browne W, Tubati A, Haney M, Douglas V, Louine M, Cree B, Hauser S, Seeley W, Baranzini S, Wells J, Spudich S, Farhadian S, Ramachandran P, Gillum L, Hales C, Zikherman J, Anderson M, Yazdany J, Smith B, Nath A, Suh G, Flanagan E, Green A, Green R, Gelfand J, DeRisi J, Pleasure S, Wilson M. Transcobalamin receptor antibodies in autoimmune vitamin B12 central deficiency. Science Translational Medicine 2024, 16: eadl3758. PMID: 38924428, PMCID: PMC11520464, DOI: 10.1126/scitranslmed.adl3758.Peer-Reviewed Original ResearchConceptsBlood-brain barrierCerebrospinal fluidNeurological deficitsAutoimmune neurological conditionsCohort of patientsCellular uptake of cobalaminVitamin B12B12 transportCerebrospinal fluid samplesMeasurement of vitamin B12Low-density lipoprotein receptorProgrammable phage displayImmunosuppressive treatmentIn vitro modelNeuropsychiatric lupusImmunomodulatory treatmentReceptor antibodiesClinical improvementUptake of cobalaminB12 deficiencyUnknown etiologyHematopoietic cellsTranscobalamin receptorCentral deficiencyB12 supplementation
2017
Blood-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
Cerebral white matter integrity during primary HIV infection
Wright PW, Vaida FF, Fernández R, Rutlin J, Price RW, Lee E, Peterson J, Fuchs D, Shimony JS, Robertson KR, Walter R, Meyerhoff DJ, Spudich S, Ances BM. Cerebral white matter integrity during primary HIV infection. AIDS 2015, 29: 433-442. PMID: 25513818, PMCID: PMC4916955, DOI: 10.1097/qad.0000000000000560.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnti-HIV AgentsBiomarkersBlood-Brain BarrierCD4 Lymphocyte CountCD4-Positive T-LymphocytesCentral Nervous SystemCorpus CallosumCross-Sectional StudiesDiffusion Tensor ImagingHIV InfectionsHIV-1HumansInflammationMaleNeuropsychological TestsProspective StudiesRNA, ViralViral LoadWhite MatterConceptsPrimary HIV infectionLog10 copies/Diffusion tensor imagingBlood-brain barrierHIV infectionWhite matter integrityCopies/Cerebrospinal fluidHIV-1 RNA viral loadMedian CD4 cell countCross-sectional neuroimaging studiesDTI metricsChronic HIV infectionHIV-uninfected (HIV−) participantsDTI measuresCD4 cell countRNA viral loadWhole-brain voxelwise analysisEarly HIV infectionWhite matter involvementBiomarkers of infectionDuration of infectionCentral nervous systemWhite matter microstructural integrityCerebral white matter integrity
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
2010
HIV-1 Viral Escape in Cerebrospinal Fluid of Subjects on Suppressive Antiretroviral Treatment
Edén A, Fuchs D, Hagberg L, Nilsson S, Spudich S, Svennerholm B, Price RW, Gisslén M. HIV-1 Viral Escape in Cerebrospinal Fluid of Subjects on Suppressive Antiretroviral Treatment. The Journal Of Infectious Diseases 2010, 202: 1819-1825. PMID: 21050119, PMCID: PMC3052942, DOI: 10.1086/657342.Peer-Reviewed Original ResearchConceptsHIV-1 RNAAntiretroviral therapy regimensCerebrospinal fluidViral escapeTherapy regimensPlasma human immunodeficiency virus type 1 (HIV-1) RNACSF HIV-1 RNAHuman immunodeficiency virus type 1 (HIV-1) RNACentral nervous system infectionCSF neopterin levelsCSF viral escapeHigher CSF neopterinIntrathecal immune activationPrevious treatment interruptionsSuppressive antiretroviral treatmentAtazanavir/ritonavirLopinavir/ritonavirNervous system infectionCSF virusNew treatment combinationsCopies/mLEnzyme-linked immunosorbentPolymerase chain reaction assaysCSF escapeCSF neopterin
2008
Enfuvirtide Cerebrospinal Fluid (CSF) Pharmacokinetics and Potential use in Defining CSF HIV-1 Origin
Price RW, Parham R, Kroll JL, Wring SA, Baker B, Sailstad J, Hoh R, Liegler T, Spudich S, Kuritzkes DR, Deeks SG. Enfuvirtide Cerebrospinal Fluid (CSF) Pharmacokinetics and Potential use in Defining CSF HIV-1 Origin. Antiviral Therapy 2008, 13: 369-374. PMID: 18572749, PMCID: PMC2699482, DOI: 10.1177/135965350801300312.Peer-Reviewed Original ResearchConceptsCentral nervous systemCerebrospinal fluidCSF samplesCSF HIV-1 RNAHIV-1-infected individualsHIV-negative individualsCerebrospinal fluid pharmacokineticsHIV-1 RNAHuman central nervous systemPlasma samplesHIV-1 replicationCNS drug exposureHIV-1 quasispeciesUse of enfuvirtideResistance-associated mutationsLocal therapeutic effectCNS virusV38A mutationGp41 coding regionCSF pharmacokineticsDrug exposurePlasma concentrationsTherapeutic effectNervous systemClinical setting