2001
Effect 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-1
2000
Determinants of the Quantity of Hepatitis C Virus RNA
Thomas D, Astemborski J, Vlahov D, Strathdee S, Ray S, Nelson K, Galai N, Nolt K, Laeyendecker O, Todd J. Determinants of the Quantity of Hepatitis C Virus RNA. The Journal Of Infectious Diseases 2000, 181: 844-851. PMID: 10720503, DOI: 10.1086/315314.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAmino Acid SequenceFemaleHepacivirusHIV InfectionsHumansMaleMiddle AgedMolecular Sequence DataRNA, ViralTime FactorsConceptsHCV RNA levelsHepatitis C virus RNAHIV-negative personsC virus RNAHCV RNARNA levelsLower HCV RNA levelsSerum HCV RNA levelsHepatitis B infectionInjection drug useHuman immunodeficiency virusVirus RNAVirologic factorsB infectionHCV infectionImmunodeficiency virusNeedle sharingBlood levelsPositive personsDrug useYounger ageInfectionEquivalents/Additional researchPerson variability
1998
Diversification of Subtype E Human Immunodeficiency Virus Type 1 env in Heterosexual Seroconverters from Northern Thailand
Wang Z, Lyles C, Beyrer C, Celentano D, Vlahov D, Natpratan C, Markham R, Khamboonruang C, Nelson K, Yu X. Diversification of Subtype E Human Immunodeficiency Virus Type 1 env in Heterosexual Seroconverters from Northern Thailand. The Journal Of Infectious Diseases 1998, 178: 1507-1511. PMID: 9780276, DOI: 10.1086/314441.Peer-Reviewed Original ResearchConceptsHIV-1 infectionAsymptomatic HIV-1-infected subjectsHIV-1 subtype EHIV-1-infected subjectsHuman Immunodeficiency Virus Type 1 EnvSubtype E HIVC2-V3 regionHuman immunodeficiency virusHIV vaccine developmentInjection drug usersE HIVRecent seroconvertersImmunodeficiency virusSubtype ESeroconvertersHIV-1Drug usersVaccine developmentMolecular epidemiologyEnv sequencesInfectionEnvNorthern ThailandHIVBaltimoreInfection 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
1996
Selective transmission of human immunodeficiency virus type 1 variants to SCID mice reconstituted with human peripheral blood monoclonal cells
Markham R, Schwartz D, Templeton A, Margolick J, Farzadegan H, Vlahov D, Yu X. Selective transmission of human immunodeficiency virus type 1 variants to SCID mice reconstituted with human peripheral blood monoclonal cells. Journal Of Virology 1996, 70: 6947-6954. PMID: 8794338, PMCID: PMC190744, DOI: 10.1128/jvi.70.10.6947-6954.1996.Peer-Reviewed Original ResearchConceptsHuman immunodeficiency virus type 1 variantsHu-PBLSCID miceType 1 variantsPrimary isolatesNSI variantsSCID mouse model systemPeripheral blood mononuclear cellsBlood mononuclear cellsHIV-1 variantsMT-2 cellsMouse model systemMononuclear cellsRelative infectiousnessCell culturesVaccine developmentClinical settingMiceEnv sequencesMonoclonal cellsTissue culture systemCellsIsolatesCulture systemPreferential transmission
1995
Human Immunodeficiency Virus Type 1 env and p17gag Sequence Variation in Polymerase Chain Reaction-Positive, Seronegative Injection Drug Users
Markham R, Yu X, Farzadegan H, Ray S, Vlahov D. Human Immunodeficiency Virus Type 1 env and p17gag Sequence Variation in Polymerase Chain Reaction-Positive, Seronegative Injection Drug Users. The Journal Of Infectious Diseases 1995, 171: 797-804. PMID: 7706805, DOI: 10.1093/infdis/171.4.797.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBase SequenceCross-Sectional StudiesDNA, ViralFemaleGag Gene Products, Human Immunodeficiency VirusGene Products, envGene Products, gagGenes, envGenes, gagGenetic VariationHIV AntigensHIV InfectionsHIV-1HumansMaleMolecular Sequence DataPhylogenyPolymerase Chain ReactionSequence AlignmentSequence Analysis, DNASubstance Abuse, IntravenousViral ProteinsConceptsSeronegative injection drug usersInjection drug usersDrug usersHuman Immunodeficiency Virus Type 1 EnvCross-sectional studyPolymerase chainHIV-1 genesThird hypervariable regionAbility of virusesV3 loopMucosal surfacesIntersubject variationEnvelope regionInfected cellsAmino acid variationsEnvP17gagSeminal fluidVirusAcid variationsHypervariable regionInfectionDisease
1991
Diagnosis and differentiation of HTLV-I and HTLV-II infection by enzyme immunoassays using synthetic peptides.
Viscidi R, Hill P, Li S, Cerny E, Vlahov D, Farzadegan H, Halsey N, Kelen G, Quinn T. Diagnosis and differentiation of HTLV-I and HTLV-II infection by enzyme immunoassays using synthetic peptides. JAIDS Journal Of Acquired Immune Deficiency Syndromes 1991, 4: 1190-8. PMID: 1941526.Peer-Reviewed Original ResearchConceptsEnzyme immunoassayHTLV-IIAntibody reactivityPeptide enzyme immunoassayHTLV-II infectionEpidemiology of HTLVDifferentiation of HTLVMicrotiter plate enzyme immunoassaysPattern of reactivitySeronegative controlsEmergency departmentEnv peptidesPositive seraViral infectionNeurological diseasesHTLVSynthetic peptidesInfectionDrug abuseMajor envelope proteinEnvEnvelope proteinPatientsSerumAntibodies