Prevalence of HIV-1 dual infection in long-term nonprogressor-elite controllers. 2013

María Pernas, and Concepción Casado, and Virginia Sandonis, and Carolina Arcones, and Carmen Rodríguez, and Ezequiel Ruiz-Mateos, and Eva Ramírez de Arellano, and Norma Rallón, and Margarita Del Val, and Eulalia Grau, and Mariola López-Vazquez, and Manuel Leal, and Jorge Del Romero, and Cecilio López Galíndez
*Servicio de Virología Molecular, Centro Nacional de Microbiología (CNM), Instituto de Salud Carlos III, Madrid, Spain; †Centro Sanitario Sandoval, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain; ‡Laboratory of Immunovirology, Biomedicine Institute of Seville, Clinic Unit of Infectious Diseases, Microbiology and Preventive Medicine, Virgen del Rocío University Hospital, IBiS/CSIC/SAS/University of Seville, Seville, Spain; §Unidad de Inmunología Viral, Centro Nacional de Microbiología (CNM), Instituto de Salud Carlos III, Madrid, Spain; ‖Enfermedades Infecciosas, Hospital Carlos III, Comunidad Autónoma de Madrid, Madrid, Spain; ¶Centro de Biología Molecular Severo Ochoa, CSIC/Universidad Autónoma de Madrid, Madrid, Spain; and #IrsiCaixa Foundation, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain.

BACKGROUND Human immunodeficiency virus type 1 (HIV-1) dual infection (DI) in long-term nonprogressor-elite controller patients (LTNP-EC) has been described only in sporadic cases and then, consequences in disease progression are not clearly established. To fill-up this limited knowledge, we analyzed, for the first time, the prevalence, host genetic polymorphisms, and clinical consequences of HIV-1 DI in a group of LTNP-EC. METHODS For DI detection, nucleotide sequences in env gene from viruses from 20 LTNP-EC were analyzed by maximum likelihood. Epidemiological and clinical parameters and host factors of patients were also studied. RESULTS DI was detected in 4 (20%) of the 20 LTNP-EC, of which 3 maintained the elite controller status. CD4⁺ T-cell counts were not different between single and DI patients although higher CD8⁺ T-cell counts were observed in DI patients, and, consequently, the CD4⁺/CD8⁺ ratios were lower in LTNP-EC DI patients. CONCLUSIONS Prevalence of HIV-1 DIs in LTNP-EC is similar to other groups of HIV-1 patients; in addition, DI was not associated with loss of disease control in the patients. These DI LTNP-EC patients showed, in comparison with single infected patients, higher numbers of CD8⁺ T cells and lower CD4⁺/CD8⁺ ratios.

UI MeSH Term Description Entries
D007113 Immunity, Innate The capacity of a normal organism to remain unaffected by microorganisms and their toxins. It results from the presence of naturally occurring ANTI-INFECTIVE AGENTS, constitutional factors such as BODY TEMPERATURE and immediate acting immune cells such as NATURAL KILLER CELLS. Immunity, Native,Immunity, Natural,Immunity, Non-Specific,Resistance, Natural,Innate Immune Response,Innate Immunity,Immune Response, Innate,Immune Responses, Innate,Immunity, Non Specific,Innate Immune Responses,Native Immunity,Natural Immunity,Natural Resistance,Non-Specific Immunity
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010802 Phylogeny The relationships of groups of organisms as reflected by their genetic makeup. Community Phylogenetics,Molecular Phylogenetics,Phylogenetic Analyses,Phylogenetic Analysis,Phylogenetic Clustering,Phylogenetic Comparative Analysis,Phylogenetic Comparative Methods,Phylogenetic Distance,Phylogenetic Generalized Least Squares,Phylogenetic Groups,Phylogenetic Incongruence,Phylogenetic Inference,Phylogenetic Networks,Phylogenetic Reconstruction,Phylogenetic Relatedness,Phylogenetic Relationships,Phylogenetic Signal,Phylogenetic Structure,Phylogenetic Tree,Phylogenetic Trees,Phylogenomics,Analyse, Phylogenetic,Analysis, Phylogenetic,Analysis, Phylogenetic Comparative,Clustering, Phylogenetic,Community Phylogenetic,Comparative Analysis, Phylogenetic,Comparative Method, Phylogenetic,Distance, Phylogenetic,Group, Phylogenetic,Incongruence, Phylogenetic,Inference, Phylogenetic,Method, Phylogenetic Comparative,Molecular Phylogenetic,Network, Phylogenetic,Phylogenetic Analyse,Phylogenetic Clusterings,Phylogenetic Comparative Analyses,Phylogenetic Comparative Method,Phylogenetic Distances,Phylogenetic Group,Phylogenetic Incongruences,Phylogenetic Inferences,Phylogenetic Network,Phylogenetic Reconstructions,Phylogenetic Relatednesses,Phylogenetic Relationship,Phylogenetic Signals,Phylogenetic Structures,Phylogenetic, Community,Phylogenetic, Molecular,Phylogenies,Phylogenomic,Reconstruction, Phylogenetic,Relatedness, Phylogenetic,Relationship, Phylogenetic,Signal, Phylogenetic,Structure, Phylogenetic,Tree, Phylogenetic
D005260 Female Females
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D001483 Base Sequence The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence. DNA Sequence,Nucleotide Sequence,RNA Sequence,DNA Sequences,Base Sequences,Nucleotide Sequences,RNA Sequences,Sequence, Base,Sequence, DNA,Sequence, Nucleotide,Sequence, RNA,Sequences, Base,Sequences, DNA,Sequences, Nucleotide,Sequences, RNA
D013030 Spain Country located between France on the northeast and Portugal on the west and bordered by the Atlantic Ocean and the Mediterranean Sea. The capital is Madrid. Balearic Islands,Canary Islands

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