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Investigation
Reference and Research on Helminths
Research Lines
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Hepatitis
- Diseño de métodos diagnósticos para el estudio de los virus de las hepatitis (VH) A, B, C, D, E: Diseñamos sistemas de PCR para su detección y caracterización.
- Evaluación de métodos diagnósticos de los VH. Colaboramos con empresas para estudios de sensibilidad y especificidad de equipos diagnósticos.
- Estudios de Seroprevalencia de los virus de las hepatitis.
- Epidemiología genómica de genomas completos de VHA, VHB, VHC, VHD y VHE en colaboración con el ECDC. Estudios de trazabilidad del VHE.
- Caracterización molecular de virus de las hepatitis mediante secuenciación masiva: a) VHB: mutantes de escape HBsAg (prevalencia y efectos en la detección del HBsAg). Estudio de mutaciones en epítopos de estimulación inmune y mutaciones asociadas a evolución clínica desfavorable.
- b) VHC: resistencias a los antivirales de acción directa. Análisis molecular de subtipos poco frecuentes.
c) Estudios filogenéticos del VHD.
d) Análisis genómico del VHE.
e) Investigación etiológica de hepatitis no filiadas mediante estudios de metagenómica.
- b) VHC: resistencias a los antivirales de acción directa. Análisis molecular de subtipos poco frecuentes.
Research projects
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1. Proyecto CIBEREPS 2022. Microbiological and genomic investigation of hepatitis in children by metagenomic approach in case and control subjects (IP: Ana Avellón).
2023-2024. En colaboración con el Hospital San Joan de Deu de Barcelona.
2. MPY 501-19: Tracking hepatitis E virus infection by means of epidemiological research and whole genome sequencing. Project TrazHE. (IP: Ana Avellón). 2020-2024.
3. Proyecto CIBEREPS 2021 Metagenomic sequencing to identify viral aetiologies in undiagnosed paediatric cases of meningitis and encephalitis (IP: D. Tarragó). 2021-2022.
4. MPY 383/19 (PEJ2018-004446-A). Ayudas para la promoción de empleo joven e implantación de la garantía juvenil en I+D+I. análisis de la complejidad de secuencias de los virus de la hepatitis A, B, C; D y E (VHA, VHB, VHC, VHD y VHE) mediante técnicas de secuenciación masiva. (IP: Ana Avellón). 2020-2021.
5. MPY 1285/16 Movilidad "Salvador de Madariaga" programa estatal de promoción de talento y su empleabilidad. (IP: Ana Avellón). 2016.
Publications
Characterization of an enhanced antigenic change in the pandemic 2009 H1N1 influenza virus haemagglutinin
Garcia-Barreno B, Delgado T, Benito S, Casas I, Pozo F, Cuevas MT, et al. Characterization of an enhanced antigenic change in the pandemic 2009 H1N1 influenza virus haemagglutinin. J Gen Virol. 2014;95(Pt 5):1033-42.
PUBMED DOIEpidemic history of hepatitis C virus genotypes and subtypes in Portugal.
Palladino C, Ezeonwumelu IJ, Marcelino R, Briz V, Moranguinho I, Serejo F, Velosa JF, Tato Marinho R, Borrego P, Taveira N. 2018. Epidemic history of hepatitis C virus genotypes and subtypes in Portugal. Sci Rep. 2018; 8:12266. (A; FI= 4.12; Q1 Multidisciplinary Sciences; DOI:10.1038/s41598-018-30528-0).
PUBMED DOILow frequency of NS5A relevant resistance-associated substitutions to Elbasvir among hepatitis C virus genotype 1a in Spain: a cross-sectional study.
Palladino C, Sanchez-Carrillo M, Mate-Cano I, Vazquez-Morón S, Jiménez-Sousa MA, Gutiérrez-Rivas M, Resino S, Briz V. Low frequency of NS5A relevant resistance-associated substitutions to Elbasvir among hepatitis C virus genotype 1a in Spain: a cross-sectional study. Sci Rep. 2017; 7(1):2892. (A; FI= 4.12; Q1 Multidisciplinary Sciences).
PUBMED DOIPlasma miRNA profile at COVID-19 onset predicts severity status and mortality.
Fernández-Pato A; Virseda-Berdices A, Ryan P; Martínez-González O, Peréz-García F, Resino S, Martin-Vicente M, Valle-Millares D, Brochado-Kith O; Blancas R; Ceballos FC; Bartolome-Sánchez S; Vidal-Alcántara EJ; Alonso-Menchén D, Blanca-López N; Ramirez Martinez-Acitores I, Rava M, Jiménez-Sousa MA (‡ *), Amanda Fernández-Rodríguez (‡ *). Plasma miRNA profile at COVID-19 onset predicts severity status and mortality. Emerg Microbes Infect 2022; 11(1):676-688 (A; FI= 19.57; D1, Infectious Diseases; JCR 2021).
PUBMED DOIMild profile improvement of immune biomarkers in HIV/HCV-coinfected patients who removed hepatitis C after HCV treatment: a prospective study.
García-Broncano P, Medrano LM, Berenguer J, Brochado O, González-García J, Jiménez-Sousa MA, Quereda C, Sanz J, Téllez MJ, Díaz L, Jiménez JL, Muñoz-Fernández MA, Resino S (*). Mild profile improvement of immune biomarkers in HIV/HCV-coinfected patients who removed hepatitis C after HCV treatment: a prospective study. J Infect 2020; 80(1):99-110. (A; FI= 6.07; Q1, Infectious Diseases; JCR 2020).
PUBMED DOIEfficacy of DNA amplification in tissue biopsy samples to improve the detection of invasive fungal disease
Buitrago MJ, Aguado JM, Ballen A, Bernal-Martinez L, Prieto M, Garcia-Reyne A, Garcia-Rodriguez J, Rodriguez-Tudela JL, Cuenca-Estrella M. Efficacy of DNA amplification in tissue biopsy samples to improve the detection of invasive fungal disease. Clin Microbiol Infect. 2013 Jun;19(6):E271-7. doi: 10.1111/1469-0691.12110. Epub 2013 Mar 7. PMID: 23464751.
PUBMED DOIPotent Induction of Envelope-Specific Antibody Responses by Virus-Like Particle Immunogens Based on HIV-1 Envelopes from Patients with Early Broadly Neutralizing Responses
Beltran-Pavez C, Bontjer I, Gonzalez N, Pernas M, Merino-Mansilla A, Olvera A, Miro JM, Brander C, Alcami J, Sanders RW, Sanchez-Merino V, Yuste E. J Virol. 2022 Jan 12, 96(1): e0134321
PUBMED DOIHIV-1 envelope glycoproteins isolated from Viremic Non-Progressor individuals are fully functional and cytopathic
Cabrera-Rodríguez R, Hebmann V, Marfil S, Pernas M, Marrero-Hernández S, Cabrera C, Urrea V, Casado C, Olivares I, Márquez-Arce D, Pérez-Yanes S, Estévez-Herrera J, Clotet B, Espert L, López-Galíndez C, Biard-Piechaczyk M, Valenzuela-Fernández A, Blanco J. Sci Rep. 2019 Apr 3,9(1):5544
PUBMED DOIViral Characteristics Associated with the Clinical Nonprogressor Phenotype Are Inherited by Viruses from a Cluster of HIV-1 Elite Controllers
Casado C, Marrero-Hernández S, Márquez-Arce D, Pernas M, Marfil S, Borràs-Grañana F, Olivares I, Cabrera-Rodríguez R, Valera MS, de Armas-Rillo L, Lemey P, Blanco J, Valenzuela-Fernández A, Lopez-Galíndez C. mBio. 2018 Apr 10,9(2): e02338-17
PUBMED DOIViral and Cellular Factors Leading to the Loss of CD4 Homeostasis in HIV-1 Viremic Nonprogressors.
Colomer-Lluch M, Kilpelainen A, Pernas M, Peña R, Ouchi D, Jimenez-Moyano E, Dalmau J, Casado C, López-Galíndez C, Clotet B, Martinez-Picado J, Prado JG. J Virol. 2022 Jan 12, 96(1): e0149921. doi: 10.1128/JVI.01499-21. Epub 2021 Oct 20.
PUBMED DOIContribution of the HIV-1 Envelope Glycoprotein to AIDS Pathogenesis and Clinical Progression
Valenzuela-Fernández A, Cabrera-Rodríguez R, Casado C, Pérez-Yanes S, Pernas M, García-Luis J, Marfil S, Olivares I, Estévez-Herrera J, Trujillo-González R, Blanco J, Lopez-Galindez C. Biomedicines. 2022 Sep 2,10(9):2172.
PUBMED DOIPrevalence of HIV-1 dual infection in LTNP-Elite Controllers
María Pernas, Concepción Casado, Virginia Sandonis, Carolina Arcones, Carmen Rodríguez , Ezequiel Ruiz-Mateos , Eva Ramírez de Arellano , Norma Rallón , Margarita Del Val , Eulalia Grau, Mariola López-Vazquez , Manuel Leal , Jorge del Romero , Cecilio López Galíndez . (2013). J.of AIDS. 64, 3, 225-231. IF 4.262
PUBMED DOIA Genome-to-Genome Analysis of Associations between Human Genetic Variation, HIV-1 Sequence Diversity, and Retroviral Control.
Istvan Bartha Jonathan M Carlson, Chanson J Brumme, Paul J McLaren, Zabrina L Brumme, Mina John, David W Haas, Javier Martinez-Picado, Cecilio López Galíndez, Andri Rauch, Huldrych F Günthard, Enos Bernasconi, Pietro Vernazza, Thomas Klimkait, Sabine Yerly, Jennifer Listgarten, Nico Pfeifer, Zoltan Kutalik, Todd M Allen, Viktor Müller, P Richard Harrigan, David Heckerman, Amalio Telenti, and Jacques Fellay, for the HIV Genome-to-Genome Study and the Swiss HIV Cohort Study. (2013). Elife. 2013;2:e01123
PUBMED DOIFactors Leading to the Loss of Natural Elite Control of HIV-1 Infection
Pernas M, Tarancón-Diez L, Rodríguez-Gallego E, Gómez J, Prado JG, Casado C, Dominguez-Molina B, Olivares I, Coiras M, León A, Rodriguez C, Benito JM, Rallón N, Plana M, Martinez-Madrid O, Dapena M, Iribarren JA, Del Romero J, García F, Alcamí J, Muñoz-Fernández M, Vidal F, Leal M, Lopez-Galindez C, Ruiz-Mateos E. J Virol. 2018 Feb 12,92(5): e01805-17
PUBMED DOIAdditional Information
The research group that makes up the Helminth Reference and Research Laboratory (RIHE) of the CNM-ISCIII works on different aspects of helminth immunobiology, taking advantage of recombinant DNA approaches, omics sciences, bioinformatics tools and biochemical assays. The research is basically oriented towards:
- The biochemical and molecular characterization of parasitic antigens of interest.
- The analysis of the immune response produced in the host against these antigens and the molecular mechanisms of these diseases.
- To the development and improvement of diagnostic systems.
- The definition of helminth allergenic candidates.
- The design of possible vaccines and participation in helminthosis control and surveillance strategies.
- Search for antiparasitic drugs.
- Research into new therapeutic alternatives for autoimmune diseases using helminth molecules.
The group works on helminthosis projects caused by species of Taenia spp., Fasciola spp., Trichinella spp., Filarias, O. volvulus, Anisakis spp., Ancylostoma spp., Opisthorchis spp., Schistosoma spp. and with experimental models such as Nippostrongylus brasiliensis and Trichuris muris, among others.
The research group that makes up the Helminth Reference and Research Laboratory (RIHE) of the CNM-ISCIII works on different aspects of helminth immunobiology, taking advantage of recombinant DNA approaches, omics sciences, bioinformatics tools and biochemical assays. The research is basically oriented towards:
- The biochemical and molecular characterization of parasitic antigens of interest.
- The analysis of the immune response produced in the host against these antigens and the molecular mechanisms of these diseases.
- To the development and improvement of diagnostic systems.
- The definition of helminth allergenic candidates.
- The design of possible vaccines and participation in helminthosis control and surveillance strategies.
- Search for antiparasitic drugs.
- Research into new therapeutic alternatives for autoimmune diseases using helminth molecules.
The group works on helminthosis projects caused by species of Taenia spp., Fasciola spp., Trichinella spp., Filarias, O. volvulus, Anisakis spp., Ancylostoma spp., Opisthorchis spp., Schistosoma spp. and with experimental models such as Nippostrongylus brasiliensis and Trichuris muris, among others.