2007
Early immunologic and virologic responses to highly active antiretroviral therapy and subsequent disease progression among HIV-infected injection drug users
Mehta S, Lucas G, Astemborski J, Kirk G, Vlahov D, Galai N. Early immunologic and virologic responses to highly active antiretroviral therapy and subsequent disease progression among HIV-infected injection drug users. AIDS Care 2007, 19: 637-645. PMID: 17505924, DOI: 10.1080/09540120701235644.Peer-Reviewed Original ResearchConceptsInjection drug usersActive antiretroviral therapyRisk of progressionVirologic responseTreatment interruptionImmunologic responseAntiretroviral therapyCommunity-based injection drug usersDrug usersMultiple Cox regression analysisRecent outpatient visitYears of HAARTCox regression analysisInjection drug useNew AIDS diagnosesSubsequent disease progressionEarly responseHAART initiationHAART initiatorsHIV careOutpatient visitsCox regressionPrognostic valueAIDS diagnosisPoor response
2005
Haplotype analysis of the SDF-1 (CXCL12) gene in a longitudinal HIV-1/AIDS cohort study
Modi W, Scott K, Goedert J, Vlahov D, Buchbinder S, Detels R, Donfield S, O'Brien S, Winkler C. Haplotype analysis of the SDF-1 (CXCL12) gene in a longitudinal HIV-1/AIDS cohort study. Genes & Immunity 2005, 6: 691-698. PMID: 16177829, DOI: 10.1038/sj.gene.6364258.Peer-Reviewed Original ResearchMeSH KeywordsAcquired Immunodeficiency SyndromeAdolescentAdultAllelesBlack or African AmericanChemokine CXCL12Chemokines, CXCChildCohort StudiesDisease ProgressionFemaleGene FrequencyHaplotypesHIV InfectionsHIV-1HumansLongitudinal StudiesMaleOdds RatioPolymorphism, Single NucleotideRisk FactorsSurvival AnalysisUnited StatesWhite PeopleConceptsSDF-1 geneCohort studySingle nucleotide polymorphismsAfrican AmericansOnly natural ligandSingle disease outcomesX4 HIV-1HIV-1 infectionAIDS Cohort StudyRisk of infectionMACS cohortDisease outcomeHIV-1Epidemiological studiesSDF-1Significant associationChemokine genesInfectionRs1801157Natural ligandProgressionHaplotype analysisCommon haplotypeCXCR4CohortThe relationship between non‐injection drug use behaviors on progression to AIDS and death in a cohort of HIV seropositive women in the era of highly active antiretroviral therapy use
Kapadia F, Cook J, Cohen M, Sohler N, Kovacs A, Greenblatt R, Choudhary I, Vlahov D. The relationship between non‐injection drug use behaviors on progression to AIDS and death in a cohort of HIV seropositive women in the era of highly active antiretroviral therapy use. Addiction 2005, 100: 990-1002. PMID: 15955015, PMCID: PMC3128378, DOI: 10.1111/j.1360-0443.2005.01098.x.Peer-Reviewed Original ResearchConceptsNon-injection drug useWomen's Interagency HIV StudyHIV progressionMultivariate analysisActive antiretroviral therapy (HAART) eraActive antiretroviral therapy (HAART) useMultivariate Cox proportional hazardsAntiretroviral therapy eraAntiretroviral therapy useFormer usersHIV-seropositive womenProspective cohort studyCells/Cox proportional hazardsDrug use behaviorsUse of stimulantsCause deathHAART initiationHAART utilizationTherapy eraCause mortalityHAART useSeropositive womenAIDS eventsCohort study
2003
Effects of CCR5-Δ32 and CCR2-64I alleles on HIV-1 disease progression
Mulherin S, O'Brien T, Ioannidis J, Goedert J, Buchbinder S, Coutinho R, Jamieson B, Meyer L, Michael N, Pantaleo G, Rizzardi G, Schuitemaker H, Sheppard H, Theodorou I, Vlahov D, Rosenberg P. Effects of CCR5-Δ32 and CCR2-64I alleles on HIV-1 disease progression. AIDS 2003, 17: 377-387. PMID: 12556692, DOI: 10.1097/00002030-200302140-00012.Peer-Reviewed Original ResearchConceptsHIV-1 disease progressionHIV-1 seroconvertersCCR5-Delta32CCR2-64ICourse of infectionDisease progressionLower riskChemokine receptor gene polymorphismsCox proportional hazards modelHIV-1 infectionIndividual patient dataCCR2-64I alleleProportional hazards modelReceptor gene polymorphismsCCR2-64I.Disease courseSurvival benefitHazards modelGene polymorphismsCCR5-Δ32Significant protectionAIDSPatient dataInfectionSeroconverters
2002
HLA-Cw*04 and Hepatitis C Virus Persistence
Thio C, Gao X, Goedert J, Vlahov D, Nelson K, Hilgartner M, O'Brien S, Karacki P, Astemborski J, Carrington M, Thomas D. HLA-Cw*04 and Hepatitis C Virus Persistence. Journal Of Virology 2002, 76: 4792-4797. PMID: 11967296, PMCID: PMC136132, DOI: 10.1128/jvi.76.10.4792-4797.2002.Peer-Reviewed Original ResearchConceptsHuman leukocyte antigenHCV infectionViral persistenceAcute hepatitis C virus (HCV) infectionAssociation of HLAHepatitis C virus infectionHepatitis C virus (HCV) persistenceKiller immunoglobulin-like receptorsClass I human leukocyte antigenEarly host immune responseC virus infectionHCV RNA levelsNatural killer cellsImmunoglobulin-like receptorsCytolytic T cellsHost immune responsePolymorphic HLA genesHCV clearanceHCV persistenceKiller cellsViral clearanceLeukocyte antigenPx groupForeign antigensT cells
2001
Effects of CCR5-Delta32, CCR2-64I, and SDF-1 3'A alleles on HIV-1 disease progression: An international meta-analysis of individual-patient data.
Ioannidis J, Rosenberg P, Goedert J, Ashton L, Benfield T, Buchbinder S, Coutinho R, Eugen-Olsen J, Gallart T, Katzenstein T, Kostrikis L, Kuipers H, Louie L, Mallal S, Margolick J, Martinez O, Meyer L, Michael N, Operskalski E, Pantaleo G, Rizzardi G, Schuitemaker H, Sheppard H, Stewart G, Theodorou I, Ullum H, Vicenzi E, Vlahov D, Wilkinson D, Workman C, Zagury J, O'Brien T. Effects of CCR5-Delta32, CCR2-64I, and SDF-1 3'A alleles on HIV-1 disease progression: An international meta-analysis of individual-patient data. Annals Of Internal Medicine 2001, 135: 782-95. PMID: 11694103, DOI: 10.7326/0003-4819-135-9-200111060-00008.Peer-Reviewed Original ResearchConceptsHIV-1 infectionCCR2-64I alleleHIV-1 RNA levelsHIV-1 disease progressionDevelopment of AIDSIndividual patient dataCCR5-Delta32Decreased riskDisease progressionProtective effectLower HIV-1 RNA levelsRNA levelsProspective cohort studyCase-control studyClear protective effectStrong protective effectChemokine receptor genesRandom-effects modelCCR2-64ICohort studyStudy entryCertain chemokinesAIDSInfectionProgressionEffect of a Single Amino Acid Change in MHC Class I Molecules on the Rate of Progression to AIDS
Gao X, Nelson G, Karacki P, Martin M, Phair J, Kaslow R, Goedert J, Buchbinder S, Hoots K, Vlahov D, O'Brien S, Carrington M. Effect of a Single Amino Acid Change in MHC Class I Molecules on the Rate of Progression to AIDS. New England Journal Of Medicine 2001, 344: 1668-1675. PMID: 11386265, DOI: 10.1056/nejm200105313442203.Peer-Reviewed Original ResearchConceptsRate of progressionHIV-1 infectionClass IHuman immunodeficiency virus type 1 (HIV-1) infectionDifferent peptide-binding specificitiesVirus type 1 infectionRisk of progressionT lymphocyte responsesInfluence of HLAType 1 infectionHIV-1 epitopesSubtypes of HLAHLA class IPeptide-binding specificityMHC class I moleculesAmino acid changesComplex class ISingle amino acid changeClass I moleculesReactive HLAImmunodeficiency syndromeRelated HLAPx groupCommon HLAHIV-1Racial Differences in HLA Class II Associations with Hepatitis C Virus Outcomes
Thio C, Thomas D, Goedert J, Vlahov D, Nelson K, Hilgartner M, O’Brien S, Karacki P, Marti D, Astemborski J, Carrington M. Racial Differences in HLA Class II Associations with Hepatitis C Virus Outcomes. The Journal Of Infectious Diseases 2001, 184: 16-21. PMID: 11398104, DOI: 10.1086/321005.Peer-Reviewed Original ResearchConceptsHuman leukocyte antigenClass II associationsViral clearanceClass II HLA typingClass II human leukocyte antigenHepatitis C virus clearanceHLA class II associationsCD4 T cell responsesT cell responsesClass II allelesHepatitis C virus outcomeHCV clearanceLeukocyte antigenVirus clearanceViral persistenceHLA typingImmune responseHomogeneous cohortCell responsesWhite subjectsDiverse cohortCohortClearanceVaried cohortsBlack subjectsMortality, CD4 Cell Count Decline, and Depressive Symptoms Among HIV-Seropositive Women: Longitudinal Analysis From the HIV Epidemiology Research Study
Ickovics J, Hamburger M, Vlahov D, Schoenbaum E, Schuman P, Boland R, Moore J, Group F. Mortality, CD4 Cell Count Decline, and Depressive Symptoms Among HIV-Seropositive Women: Longitudinal Analysis From the HIV Epidemiology Research Study. JAMA 2001, 285: 1466-1474. PMID: 11255423, DOI: 10.1001/jama.285.11.1466.Peer-Reviewed Original ResearchConceptsHuman immunodeficiency virusChronic depressive symptomsCD4 cell countHIV-seropositive womenTreatment of depressionDepressive symptomsCell countDisease progressionBaseline CD4 cell countCD4 cell count declineHIV Epidemiologic Research StudyCell count declineCD4 lymphocyte countBaseline viral loadEpidemiologic Studies Depression ScaleHIV disease progressionHIV Epidemiology Research StudyLongitudinal cohort studyEpidemiologic research studiesImpact of depressionAcademic medical centerSelf-reported CenterCohort studyLymphocyte countCount declineInitial Plasma HIV-1 RNA Levels and Progression to AIDS in Women and Men
Sterling T, Vlahov D, Astemborski J, Hoover D, Margolick J, Quinn T. Initial Plasma HIV-1 RNA Levels and Progression to AIDS in Women and Men. New England Journal Of Medicine 2001, 344: 720-725. PMID: 11236775, DOI: 10.1056/nejm200103083441003.Peer-Reviewed Original ResearchMeSH KeywordsAcquired Immunodeficiency SyndromeAdultAnti-HIV AgentsCD4 Lymphocyte CountDisease ProgressionDisease-Free SurvivalEligibility DeterminationFemaleHIV AntibodiesHIV InfectionsHIV-1HumansLongitudinal StudiesMalePractice Guidelines as TopicRegression AnalysisReverse Transcriptase Polymerase Chain ReactionRiskRNA, ViralSex FactorsViral LoadConceptsInitial viral loadMedian initial viral loadHIV-1 RNAViral loadLymphocyte countHuman immunodeficiency virus type 1 (HIV-1) infectionPlasma HIV-1 RNA levelsHIV-1 RNA levelsHIV-1 RNA copiesFemale injection drug usersVirus type 1 infectionHIV-1 seroconversionMedian initial CD4Risk of progressionHIV-1 infectionType 1 infectionInjection drug usersLikelihood of progressionRate of progressionAntiretroviral therapyInitial CD4Hazard ratioAntiretroviral treatmentTreatment guidelinesImmunodeficiency syndrome
2000
Genetic restriction of HIV-1 pathogenesis to AIDS by promoter alleles of IL10
Shin H, Winkler C, Stephens J, Bream J, Young H, Goedert J, O'Brien T, Vlahov D, Buchbinder S, Giorgi J, Rinaldo C, Donfield S, Willoughby A, O'Brien S, Smith M. Genetic restriction of HIV-1 pathogenesis to AIDS by promoter alleles of IL10. Proceedings Of The National Academy Of Sciences Of The United States Of America 2000, 97: 14467-14472. PMID: 11121048, PMCID: PMC18942, DOI: 10.1073/pnas.97.26.14467.Peer-Reviewed Original ResearchMeSH KeywordsAcquired Immunodeficiency SyndromeAllelesDisease ProgressionHIV-1HumansInterleukin-10Microsatellite RepeatsPromoter Regions, GeneticConceptsHIV-1 infectionHIV-1 replicationTranscription factor recognition sequencePromoter allelesLong-term nonprogressorsHIV-1 pathogenesisSingle nucleotide polymorphic variantsOnset of AIDSMacrophages/monocytesNuclear transcription factorSignificant genotype associationsIL10 promoter regionShort tandem repeat polymorphismsTranscription factorsPromoter regionRecognition sequenceIL10 productionInflammatory cytokinesCell cytokinesAIDS cohortC genotypeLymphoid cellsPromoter genotypeGenetic restrictionLymphocyte replicationInfluence of CCR5 promoter haplotypes on AIDS progression in African–Americans
An P, Martin M, Nelson G, Carrington M, Smith M, Gong K, Vlahov D, O'Brien S, Winkler C. Influence of CCR5 promoter haplotypes on AIDS progression in African–Americans. AIDS 2000, 14: 2117-2122. PMID: 11061652, DOI: 10.1097/00002030-200009290-00007.Peer-Reviewed Original ResearchConceptsCCR5 promoter haplotypesAIDS progressionSurvival analysisAfrican AmericansNatural history cohort studyPromoter haplotypesRate of progressionPromoter variantsCohort studyCCR5 alleleRapid progressionCaucasian cohortProgressionCaucasiansComplete linkage disequilibriumCCR2AIDSUnidentified polymorphismsRacial groupsLinkage disequilibriumSeroconvertersCCR5CohortHaplotypesThe Natural History of Hepatitis C Virus Infection: Host, Viral, and Environmental Factors
Thomas D, Astemborski J, Rai R, Anania F, Schaeffer M, Galai N, Nolt K, Nelson K, Strathdee S, Johnson L, Laeyendecker O, Boitnott J, Wilson L, Vlahov D. The Natural History of Hepatitis C Virus Infection: Host, Viral, and Environmental Factors. JAMA 2000, 284: 450-456. PMID: 10904508, DOI: 10.1001/jama.284.4.450.Peer-Reviewed Original ResearchConceptsEnd-stage liver diseaseInjection drug useHepatitis C virus infectionC virus infectionHuman immunodeficiency virusViral clearanceHCV infectionLiver diseaseDrug usePersistent viremiaVirus infectionCases of ESLDRisk of ESLDCommunity-based prospective cohort studyAntibody-positive test resultPresence of ascitesProspective cohort studyCause of deathUtilization of treatmentMajority of adultsSemiannual visitsCohort studyHCV RNAEsophageal varicesImmunodeficiency virus
1999
The Effect of Drug-Injection Behavior on Genetic Evolution of HIV-1
Carneiro M, Yu X, Lyles C, Templeton A, Weisstein A, Safaeian M, Farzadegan H, Vlahov D, Markham R. The Effect of Drug-Injection Behavior on Genetic Evolution of HIV-1. The Journal Of Infectious Diseases 1999, 180: 1025-1032. PMID: 10479127, DOI: 10.1086/315044.Peer-Reviewed Original ResearchNew evidence to reconcile in vitro and epidemiologic data on the possible role of heroin on CD4+ decline among HIV-infected injecting drug users
Krol A, Flynn C, Vlahov D, Miedema F, Coutinho R, van Ameijden E. New evidence to reconcile in vitro and epidemiologic data on the possible role of heroin on CD4+ decline among HIV-infected injecting drug users. Drug And Alcohol Dependence 1999, 54: 145-154. PMID: 10217554, DOI: 10.1016/s0376-8716(98)00158-6.Peer-Reviewed Original ResearchCell-associated infectious HIV-1 viral load as a predictor of clinical progression and survival among HIV-1 infected injection drug users and homosexual men
Lyles C, Graham N, Astemborski J, Vlahov D, Margolick J, Saah A, Farzadegan H. Cell-associated infectious HIV-1 viral load as a predictor of clinical progression and survival among HIV-1 infected injection drug users and homosexual men. European Journal Of Epidemiology 1999, 15: 99-108. PMID: 10204638, DOI: 10.1023/a:1007556327269.Peer-Reviewed Original ResearchMeSH KeywordsAcquired Immunodeficiency SyndromeAdultAIDS-Related Opportunistic InfectionsBacterial InfectionsCause of DeathCD4 Lymphocyte CountCohort StudiesConfidence IntervalsDisease ProgressionFemaleFollow-Up StudiesHIV InfectionsHIV-1Homosexuality, MaleHumansImmunocompromised HostLeukocytes, MononuclearMalePredictive Value of TestsProportional Hazards ModelsRisk FactorsSubstance Abuse, IntravenousSurvival AnalysisSurvival RateViral LoadViremiaConceptsHIV-1 viral loadViral loadHomosexual menRisk groupsHIV-1Relative hazardDrug usersPeripheral blood mononuclear cellsMicroculture techniqueBlood mononuclear cellsInjection drug usersHIV-1 progressionInitial CD4Clinical progressionMononuclear cellsNegative culturesPredictive valueSurvival analysisBacterial infectionsTotal participantsAIDSProgressionInfectious unitsCells/Death
1998
Genetic Acceleration of AIDS Progression by a Promoter Variant of CCR5
Martin M, Dean M, Smith M, Winkler C, Gerrard B, Michael N, Lee B, Doms R, Margolick J, Buchbinder S, Goedert J, O'Brien T, Hilgartner M, Vlahov D, O'Brien S, Carrington M. Genetic Acceleration of AIDS Progression by a Promoter Variant of CCR5. Science 1998, 282: 1907-1911. PMID: 9836644, DOI: 10.1126/science.282.5395.1907.Peer-Reviewed Original ResearchMeSH KeywordsAcquired Immunodeficiency SyndromeAllelesChemokine CXCL12Chemokines, CXCCohort StudiesDisease ProgressionGenes, DominantGenes, RecessiveGenetic Predisposition to DiseaseGenotypeHaplotypesHeterozygoteHIV InfectionsHIV-1HomozygoteHumansPromoter Regions, GeneticProportional Hazards ModelsReceptors, CCR2Receptors, CCR5Receptors, ChemokineReceptors, CytokineRisk FactorsSurvival RateConceptsAIDS progressionCell-surface chemokine receptor moleculeCCR5 regulatory regionsChemokine receptor moleculesPercent of patientsAIDS disease progressionHIV-1 infectionCohort of peopleMacrophage-tropic strainsAIDS restriction genesDistinct regulatory influencesCCR2-64IPrincipal coreceptorImmunodeficiency syndromeCCR5-Delta32Genetic epidemiologic analysisDisease progressionHuman immunodeficiencySDF1-3'APromoter genotypeCCR5 geneInfected individualsEpidemiologic analysisHost factorsProgressionSex differences in HIV-1 viral load and progression to AIDS
Farzadegan H, Hoover D, Astemborski J, Lyles C, Margolick J, Markham R, Quinn T, Vlahov D. Sex differences in HIV-1 viral load and progression to AIDS. The Lancet 1998, 352: 1510-1514. PMID: 9820299, DOI: 10.1016/s0140-6736(98)02372-1.Peer-Reviewed Original ResearchConceptsInjection drug usersCD4 cell countProportional hazards modelBranched-chain DNAViral loadQuantitative microcultureReverse transcriptase-PCRPlasma HIV-1 RNA measurementsCell countHIV-1 RNA measurementsUnivariate proportional hazard modelHIV-1 viral loadSame viral loadViral load associationsVisit 3 yearsHIV-1 loadViral load measurementsAntiretroviral therapyAntiretroviral treatmentBaseline visitCommunity clinicsObservational studyHIV-1Current recommendationsHigh riskHIV/HTLV-II Coinfection and CD4+ Cell Count Controlling for Plasma HIV Viral Load in Injection Drug Users in Baltimore
Zhang H, Flynn C, Nelson K, Chen W, Kawalski R, Vlahov D. HIV/HTLV-II Coinfection and CD4+ Cell Count Controlling for Plasma HIV Viral Load in Injection Drug Users in Baltimore. JAIDS Journal Of Acquired Immune Deficiency Syndromes 1998, 18: 397-398. PMID: 9704951, DOI: 10.1097/00042560-199808010-00018.Peer-Reviewed Original ResearchInfection with Dual-Tropic Human Immunodeficiency Virus Type 1 Variants Associated with Rapid Total T Cell Decline and Disease Progression in Injection Drug Users
Yu X, Wang Z, Vlahov D, Markham R, Farzadegan H, Margolick J. Infection with Dual-Tropic Human Immunodeficiency Virus Type 1 Variants Associated with Rapid Total T Cell Decline and Disease Progression in Injection Drug Users. The Journal Of Infectious Diseases 1998, 178: 388-396. PMID: 9697718, DOI: 10.1086/515646.Peer-Reviewed Original ResearchMeSH KeywordsAdultAmino Acid SequenceCD4 Lymphocyte CountCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesCell LineCells, CulturedDisease ProgressionFemaleGenetic VariationHIV Envelope Protein gp120HIV SeropositivityHIV-1HumansMaleMolecular Sequence DataPeptide FragmentsSequence Homology, Amino AcidSubstance Abuse, IntravenousT-LymphocytesTime FactorsConceptsInjection drug usersSI variantsDisease progressionHuman immunodeficiency virus type 1 variantsDrug usersHuman immunodeficiency virus type 1Immunodeficiency virus type 1HIV-1 transmissionT cell levelsSlow disease progressionT-cell declineDual-tropic virusesType 1 variantsSyncytium-inducing (SI) variantsVirus type 1T cell linesDual tropicNSI variantsSlow progressorsRapid progressionNSI phenotypeT cellsCell declineInitial infectionType 1