CyclohexanesTriazolesHIV Fusion InhibitorsReceptors, CCR5RetroviridaeViral TropismAnti-HIV AgentsHIV-1HIV InfectionsGenetic VectorsDrug Resistance, ViralVaginal Creams, Foams, and JelliesMoloney murine leukemia virusDrug InteractionsVirus IntegrationRetroviridae InfectionsEndogenous RetrovirusesMolecular Sequence DataDrug Therapy, CombinationLeukemia Virus, MurineVirus InternalizationSaquinavirPyrrolidinonesAdministration, IntravaginalRitonavirGene Transfer TechniquesCell LineViral LoadAnti-Retroviral AgentsTropismKetoconazoleBase SequenceGenetic TherapyHIV Envelope Protein gp120Statistics as TopicCytochrome P-450 CYP3AReceptors, CXCR4HIV Protease InhibitorsRNA, ViralPyridazinesProvirusesMetabolic Detoxication, Phase IVirus ReplicationBenzoxazinesTerminal Repeat SequencesAmino Acid SequenceGenes, envHIVVaginaTransfectionReceptors, HIVIntegrasesArea Under CurveDNA, ViralKanamycin KinaseRetroviridae ProteinsCD4 Lymphocyte Count3T3 CellsHIV SeronegativityGene Products, gagRNA-Directed DNA PolymeraseSulfonamidesAdenineenv Gene Products, Human Immunodeficiency VirusDiffusion Chambers, CultureTropaeolaceaeHematopoietic Stem CellsPlasmaMacaca mulattaNucleic Acid ConformationAntiretroviral Therapy, Highly ActiveTreatment FailureBetaretrovirusRepetitive Sequences, Nucleic AcidCD4-Positive T-LymphocytesDouble-Blind MethodCells, CulturedGene ExpressionGenes, gagLeukocytes, MononuclearAvian Sarcoma VirusesGammaretrovirusStereoisomerismModels, MolecularAza CompoundsHarvey murine sarcoma virusDNAHigh-Throughput Nucleotide SequencingBiological AvailabilityMason-Pfizer monkey virusMutagenesis, InsertionalViral Envelope ProteinsGenes, polOrganophosphonatesRous sarcoma virusAvian leukosis virusGene Products, envGenotypeHelper VirusesMagnetic Resonance Spectroscopy