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Investigación

HIV Biology and Variability

Líneas de investigación

Content with Investigacion Inmunopatología del SIDA .

Research Lines:

1.    Molecular mechanisms associated to the protection of HIV-1 infection in limb-girdle muscular dystrophy dominant D2 (LGMDD2) patients.
2.    Generation of neutralizing antibodies for therapeutic use based on the broad-spectrum neutralizing response against founder viruses.
3.    Characterization of the immune memory against SARS-CoV-2 in a population over 65 years of age.
4.    Screening and characterization of new anti-latency drugs against HIV-1.
5.    Study of viral entry and HIV tropism in viruses of special epidemiological relevance in Spain. 
6.    Genetic mechanisms of protection and control of HIV-1 infection in populations with extreme phenotypes.

Clinical studies:

1.    Phase 1 clinical trial to evaluate the safety and immunogenicity of HIV-1 envelope-based 763SIP8/MPLA-5 vaccine as a preventive vaccine in healthy uninfected adults. 
2.    ENE-COVID-Senior: Prospective observational study in a cohort of elderly nursing home residents to establish their immune status after receiving a complete vaccination regimen.

Implementation of new technologies:

1.    Identification of HIV-1 integration sites by deep sequencing.
2.    Single cell transcriptomics with simultaneous TCR/BCR sequencing.
3.    Epidemiological intelligence for prediction of SARS-CoV-2 variants likely to emerge in different vaccination settings.
 

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Publicaciones destacadas

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Combination of Antibodies and Antibiotics as a Promising Strategy Against Multidrug-Resistant Pathogens of the Respiratory Tract

Domenech M, Sempere J, de Miguel S, Yuste J. Combination of Antibodies and Antibiotics as a Promising Strategy Against Multidrug-Resistant Pathogens of the Respiratory Tract. Front Immunol. 2018 Nov 20;9:2700. doi: 10.3389/fimmu.2018.02700. PMID: 30515172; PMCID: PMC6256034.

DOI

Chemotherapy with Phage Lysins Reduces Pneumococcal Colonization of the Respiratory Tract

Corsini B, Díez-Martínez R, Aguinagalde L, González-Camacho F, García-Fernández E, Letrado P, García P, Yuste J. Chemotherapy with Phage Lysins Reduces Pneumococcal Colonization of the Respiratory Tract. Antimicrob Agents Chemother. 2018 May 25;62(6):e02212-17. doi: 10.1128/AAC.02212-17. PMID: 29581113; PMCID: PMC5971604.

DOI

Impact of Biological Therapies on the Immune Response after Pneumococcal Vaccination in Patients with Autoimmune Inflammatory Diseases

Richi P, Yuste J, Navío T, González-Hombrado L, Salido M, Thuissard-Vasallo I, Jiménez-Díaz A, Llorente J, Cebrián L, Lojo L, Steiner M, Cobo T, Martín MD, García-Castro M, Castro P, Muñoz-Fernández S. Impact of Biological Therapies on the Immune Response after Pneumococcal Vaccination in Patients with Autoimmune Inflammatory Diseases. Vaccines. 2021 Feb 28;9(3):203. doi: 10.3390/vaccines9030203. PMID: 33671007; PMCID: PMC7997274.

DOI

Pleiotropic Effects of Cell Wall Amidase LytA on Streptococcus pneumoniae Sensitivity to the Host Immune Response

Ramos-Sevillano E, Urzainqui A, Campuzano S, Moscoso M, González-Camacho F, Domenech M, Rodríguez de Córdoba S, Sánchez-Madrid F, Brown JS, García E, Yuste J. Pleiotropic effects of cell wall amidase LytA on Streptococcus pneumoniae sensitivity to the host immune response. Infect Immun. 2015 Feb;83(2):591-603. doi: 10.1128/IAI.02811-14. PMID: 25404032; PMCID: PMC4294232.

DOI

Content with Investigacion Inmunopatología del SIDA .

List of staff

Información adicional

The activities of the HIV viral and biology unit (UBVVIH) include research, service to the National Health System (NHS) and the administration of Justice and teaching. Its main lines of research are molecular epidemiology and HIV-1 phylogeny, in which the UBVVIH has carried out numerous national and international collaborations, focusing on the identification of viral genetic forms and the study of their correlations with epidemiological variables. Related lines are phylodynamics and phylogeography, which study the origin and dynamics of growth and spread of HIV-1 variants. Such studies can be used to better understand the evolution of the epidemic and to plan public health actions. 

The UBVHIV also produces and characterises primary isolates and functional clones of the envelope of various genetic forms of HIV-1, which are deposited in repositories and used by numerous international groups. Other lines of research are described in the corresponding section. In terms of service to the NHS, the UBVVIH carries out antiretroviral resistance tests and prediction of tropism as a therapeutic guide in HIV-1 infected patients. As for its collaboration with the Justice Administration, the UBVVIH carries out expert opinions through phylogenetic studies of sequences for legal cases of possible HIV transmissions.

Content with Investigacion Inmunopatología del SIDA .