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Investigation

Immunobiology

Research Lines

Content with Investigacion Neisseria, Listeria y Bordetella .

Neisseria, Listeria y Bordetella

• Invasive Meningococcal Disease.

o Laboratory surveillance based on whole-genome sequencing and its application in Public Health.

o Study and characterization of antimicrobial resistance mechanisms.

o Study and evaluation of conventional (polysaccharide) and new-generation (protein) vaccines.

• Gonococcal Infection (Gonorrhea).

o Laboratory surveillance based on whole-genome sequencing and its application in Public Health.

o Study and characterization of antimicrobial resistance mechanisms.

• Listeriosis.

o Laboratory surveillance based on whole-genome sequencing and its application in Public Health.

• Pertussis.

o Development and application of molecular techniques for the diagnosis and characterization of Bordetella pertussis, B. parapertussis, B. holmessi, and B. bronchiseptica.

Research projects

Content with Investigacion Neisseria, Listeria y Bordetella .

1. Project Title: Determination of the degree of identity of common antigens of N. meningitidis and N. gonorrhoeae using genomic and immunological tools.
Principal Investigator: Raquel Abad Torreblanca
Funding Entity: ISCIII. Program: Strategic Action in Intramural Health
Reference: PI23CIII/00040
Period: 2024-2026
Amount Awarded: €68,500

2. Project Title: Meningococcal Disease and Molecular Epidemiology (MEMORY).
Principal Investigator: Raquel Abad Torreblanca and Julio A. Vázquez Moreno
Funding Entity: Pfizer Inc.
Reference: MVP 352/21
Period: 2022-2024
Amount Awarded: €82,834.50

3. Project Title: Modelling Approaches to Guide Intelligent Surveillance for the Sustainable Introduction of Novel Antibiotics. MAGIcIAN.
Principal Investigator: Raquel Abad Torreblanca
Funding Entity: ISCIII / International Joint Action / Joint Programming Initiatives (JPI) Program
Reference: AC19CIII/00002
Period: 2020-2024
Amount Awarded: €46,000

4. Project Title: Epidemiological, Microbiological, and Clinical Analysis of the Listeriosis Outbreak in Andalusia. LISMOAN Study.
Principal Investigator: José Miguel Cisneros Herreros
Funding Entity: FISEVI (Andalusian Public Foundation for Health Research Management)/FPS2020 Call for Proposals
Reference: PI-0001-2020
Period: 2020-2023
Amount Awarded: €114,954

5. Project Title: Population Structure of Neisseria meningitidis Using Massive Sequencing: A Potential Tool for Estimating Vaccine Effectiveness?
Principal Investigator: Raquel Abad Torreblanca
Funding Entity: ISCIII / Strategic Action in Intramural Health
Reference: PI19CIII/00030
Period: 2020-2023
Amount Awarded: €67,153

6. Project Title: Management agreement between the Ministry of Health, Social Services and Equality (Directorate General of Public Health, Quality and Innovation) and the Carlos III Health Institute, for the laboratory determinations corresponding to the 2nd seroprevalence study in Spain.
Principal Investigator: Fernando de Ory and Julio A. Vázquez
Funding Entity: Directorate General of Public Health, Ministry of Health
Reference: MEG151/17
Period: 2018-2020
Amount Awarded: €565,663

7. Project Title: Effectiveness of the Meningococcal B Vaccine in Immunocompromised Children with Sickle Cell Disease
Principal Investigator: Raquel Abad Torreblanca
Funding Entity: Spanish Society of Pediatric Hematology and Oncology Foundation (SEHOP)
Reference: MVP 199/18
Period: 2018-2020
Amount Awarded: €18,285

8. Project Title: Application of Massive Sequencing and Immunological Approaches in the Expression Analysis of New Vaccine Antigens in Meningococcal Populations
Principal Investigator: Raquel Abad Torreblanca
Funding Entity: ISCIII / Strategic Action in Intramural Health
Reference: PI16CIII/00023
Period: 2017-2020
Amount Awarded: €115,084

9. Project Title: fHbp variability over time and potential coverage of the new meningococcal serogroup B vaccine (bivalent rLP2086/fHbp) in Spain.
Principal Investigators: Raquel Abad and Julio A. Vázquez
Funding Entity: Pfizer SLU
Reference: MVP 1273/16
Period: 2017-2020
Amount Awarded: €125,350

10. Project Title: Estimation of protection of a conjugate vaccine against meningococcus serogroup C based on a mathematical model.
Principal Investigator: Julio A. Vázquez and Javier Díez
Funding Entity: Higher Center for Research in Public Health (CSISP)
Reference: MVP 1116/11
Period: 2011-2017
Amount awarded: €143,750

Publications

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Hypervirulent Klebsiella pneumoniae: Epidemiology outside Asian countries, antibiotic resistance association, methods of detection and clinical management

12. Hypervirulent Klebsiella pneumoniae: Epidemiology outside Asian countries, antibiotic resistance association, methods of detection and clinical management. Autores: García-Cobos S, Oteo-Iglesias J, Pérez-Vázquez M. Revista: Enferm Infecc Microbiol Clin (Engl Ed). 2025 Feb;43(2):102-109.

PUBMED DOI

Rapid cross-border emergence of NDM-5-producing Escherichia coli in the European Union/European Economic Area, 2012 to June 2022

15. Rapid cross-border emergence of NDM-5-producing Escherichia coli in the European Union/European Economic Area, 2012 to June 2022. Autores: Linkevicius M, Bonnin RA, Alm E, Svartström O, Apfalter P, Hartl R, Hasman H, Roer L, Räisänen K, Dortet L, Pfennigwerth N, Hans JB, Tóth Á, Buzgó L, Cormican M, Delappe N, Monaco M, Giufrè M, Hendrickx AP, Samuelsen Ø, Pöntinen AK, Caniça M, Manageiro V, Oteo-Iglesias J, Pérez-Vázquez M, Westmo K, Mäkitalo B, Palm D, Monnet DL, Kohlenberg A. Revista: Euro Surveill. 2023 May;28(19):2300209.

PUBMED DOI

Characterization of Carbapenemase-Producing Klebsiella oxytoca in Spain, 2016-2017.

18. Characterization of Carbapenemase-Producing Klebsiella oxytoca in Spain, 2016-2017. Autores: Pérez-Vazquez M, Oteo-Iglesias J, Sola-Campoy PJ, Carrizo-Manzoni H, Bautista V, Lara N, Aracil B, Alhambra A, Martínez-Martínez L, Campos J; Spanish Antibiotic Resistance Surveillance Program Collaborating Group. Revista: Antimicrob Agents Chemother. 2019 May 24;63(6): e02529-18.

PUBMED DOI

Carbapenemase-Producing Klebsiella pneumoniae From Transplanted Patients in Brazil: Phylogeny, Resistome, Virulome and Mobile Genetic Elements Harboring blaKPC-2 or blaNDM-1.

16. Carbapenemase-Producing Klebsiella pneumoniae From Transplanted Patients in Brazil: Phylogeny, Resistome, Virulome and Mobile Genetic Elements Harboring blaKPC-2 or blaNDM-1. Autores: Raro OHF, da Silva RMC, Filho EMR, Sukiennik TCT, Stadnik C, Dias CAG, Oteo Iglesias J, Pérez-Vázquez M. Revista: Front Microbiol. 2020 Jul 15;11:1563.

PUBMED DOI

Dissemination of extensively drug-resistant NDM-producing Providencia stuartii in Europe linked to patients transferred from Ukraine, March 2022 to March 2023

17. Dissemination of extensively drug-resistant NDM-producing Providencia stuartii in Europe linked to patients transferred from Ukraine, March 2022 to March 2023. Autores: Witteveen S, Hans JB, Izdebski R, Hasman H, Samuelsen Ø, Dortet L, Pfeifer Y, Delappe N, Oteo-Iglesias J, Żabicka D, Cormican M, Sandfort M, Reichert F, Pöntinen AK, Fischer MA, Verkaik N, Pérez-Vazquez M, Pfennigwerth N, Hammerum AM, Hallstrøm S, Biedrzycka M, Räisänen K, Wielders CC, Urbanowicz P, de Haan A, Westmo K, Landman F, van der Heide HG, Lansu S, Zwittink RD, Notermans DW, Guzek A, Kondratiuk V, Salmanov A, Haller S, Linkevicius M, Gatermann S, Kohlenberg A, Gniadkowski M, Werner G, Hendrickx AP. Revista: Euro Surveill. 2024 Jun;29(23):2300616.

PUBMED DOI

Spread of the FAR-MRSA clone, a fusidic acid- and meticillin-resistant Staphylococcus aureus ST121, Europe, 2014 to 2024.

19. Spread of the FAR-MRSA clone, a fusidic acid- and meticillin-resistant Staphylococcus aureus ST121, Europe, 2014 to 2024. Autores: Roer L, Yin N, Denis O, Vendrik KE, Zwittink RD, Notermans DW, Perrin M, Khonyongwa K, Tristan A, Youenou B, Layer-Nicolaou F, Werner G, Enger H, Eikrem ECH, Darenberg J, Mäkitalo B, Paulsson M, Björkman J, Fang H, Hallbäck ET, Sundqvist M, Lindholm L, Moganeradj K, García-Cobos S, Cañada-García JE, Holzknecht BJ, Eriksen HB, Hoppe M, Bartels MD, Samaniego Castruita JA, Urth TR, Larsen AR, Petersen A. Revista: Euro Surveill. 2025 Jul;30(28):2500452.

DOI

Carbapenemase-producing Emergence of NDM-producing Klebsiella pneumoniae and Escherichia coli in Spain: phylogeny, resistome, virulence and plasmids encoding blaNDM-like genes as determined by WGS. aeruginosa in Spain: interregional dissemination of the high risk-clones ST175 and ST244 carrying blaVIM-2, blaVIM-1, blaIMP-8, blaVIM-20 and blaKPC-2

14. Emergence of NDM-producing Klebsiella pneumoniae and Escherichia coli in Spain: phylogeny, resistome, virulence and plasmids encoding blaNDM-like genes as determined by WGS. Autores: Pérez-Vázquez M, Sola Campoy PJ, Ortega A, Bautista V, Monzón S, Ruiz-Carrascoso G, Mingorance J, González-Barberá EM, Gimeno C, Aracil B, Sáez D, Lara N, Fernández S, González-López JJ, Campos J, Kingsley RA, Dougan G, Oteo-Iglesias J; Spanish NDM Study Group. Revista: J Antimicrob Chemother. 2019 Dec 1;74(12):3489-3496.

PUBMED DOI

Content with Investigacion Neisseria, Listeria y Bordetella .

List of staff

Additional Information

Our group is interested in the mechanisms of generation of hematopoietic cells throughout ontogeny and the influence that the first hematopoietic cells, belonging to the innate/pseudoinnate immune system, exert on the adaptive immune system in the adult individual. Our lines of research include the analysis of pseudoinnate lymphoid populations, which connect the innate and adaptive immune systems, and whose origin is in progenitors of early ontogeny. We are trying to understand its role in the immune response through TLR receptors (“Toll-like receptors”) throughout life, particularly in animal models of bacterial infection, with the aim of designing new vaccine therapies. We analyze immune diversity in animal models and in human samples of children and elderly people diagnosed with respiratory disease, by: a) analyzing the lymphoid subpopulations of the local response. b) the study of the genetic rearrangements of the immunoglobulins that are produced. c) the systemic effector response and in peripheral organs. These approaches, carried out both in the mouse model and in human samples, will facilitate the design of more effective therapies and the characterization of biomarkers, adapted to the pediatric and elderly population, useful for the health field and technological innovation.rupo está interesado en los mecanismos de generación de células hematopoyéticas a lo largo de la ontogenia y la influencia que las primeras células hematopoyéticas, pertenecientes al sistema inmune innato/pseudoinnato, ejercen sobre el sistema inmune adaptativo en el individuo adulto. Nuestras líneas de investigación incluyen el análisis de poblaciones linfoides pseudoinnatas, que conectan el sistema inmune innato y adaptativo, y cuyo origen está en progenitores de la ontogenia temprana. Intentamos entender su papel en la respuesta inmune a través de receptores TLR (“Toll-like receptors”) a lo largo de la vida, en particular en modelos animales de infección bacteriana, con objeto de diseñar nuevas terapias vacunales. Analizamos la diversidad inmune en modelos animales y en muestras humanas de niños y ancianos diagnosticados de enfermedad respiratoria, mediante: a) el análisis de las subpoblaciones linfoides de la respuesta local. b) el estudio de los reordenamientos genéticos de las inmunoglobulinas que se producen. c) la respuesta efectora sistémica y en órganos periféricos. Estas aproximaciones, realizadas tanto en el modelo de ratón como en muestras humanas, facilitarán el diseño de terapias más eficaces y la caracterización de biomarcadores, adaptados a la población infantil y envejecida, de utilidad para el ámbito sanitario y de innovación tecnológica.

Doctoral theses

“Expression and functionality of tlr2 and tlr4 in lymphomyeloid populations present in the lung and lymphoid organs during embryonic and neonatal life in mouse models.”  Carolina Ruiz Sánchez. Complutense University of Madrid, 2022

Master's thesis

Detection and characterization of extracellular vesicles of platelet origin in lung supernatants from SPN-infected animals. Marta Paris, Alcalá University, 2024

Study of TLR-dependent activation in the RAW 264.7 macrophage line. Iñigo Merino de Saracho, Alcalá University, 2023

Study of the functionality of TLR receptors in the lung and other lymphoid organs in B cell populations using the neonatal mouse model. Yolanda Campanero, Alcalá University, 2023

Exploratory study of T lymphoid progenitors in the neonatal mouse lung. Alejandro Arrabal, Complutense University of Madrid, 2022

Study of B lymphoid differentiation in mice deficient for CD5 and CD6 molecules. Cristina Martín, Alcalá University, 2022

Role of platelets and their progenitor cells in two animal models of infection: SPN and RSV. Ana de Lucas Rius, Alcalá University, 2020

Pilot study of RSV infection in the mouse model: cellular phenotype of myeloid and lymphoid populations in the lung in two animal models of infection: SPN and RSV. Juan Antonio Martín Quesada, Alcalá University, 2020

B cell response during Streptococcus pneumoniae infection. Eva Castro, 2020

Study of the hematopoietic potential of neonatal lung cells in the mouse model. Ana Cogollo García, Alcalá University, 2018

Innate immune response to S. pneumoniae in the lung. Rodrigo Sánchez, Complutense University of Madrid, 2018

Neonatal immunity in the mouse model: localization and function of the innate and adaptive response. Alba Ezequiel Fernández, Alcalá University, 2017

Characterization of immunoglobulin gene diversity in the mouse model of TLR4 homeostasis and activation by bacterial lipopolysaccharide. Cristina García Caballero, Alcalá University, 2017

Altered lymphopoiesis and splenic B cell subsets on Telomerase Activity Deficient Mice (TERC-/-). Juliana Manosalva, Complutense University of Madrid, 2017

Study of the Immune Response in Nasopharyngeal Washings of Infants with Bronchiolitis. Isabel Martín Barrios, Complutense University of Madrid, 2016

Dynamics of B1-REL lymphocytes in the in vivo immunization model with DNP-LPS. Inmaculada Sanz Ramos University Alcalá, 2015

Megakaryocyte differentiation pathways in the mouse model. Marta Cobos Briz, Alcalá University, 2015

Role of megakaryocytes in infectious processes. Melania Guerrero Hue, Complutense University of Madrid, 2015

 

Final degree projects

Study of new bacterial vaccines in the mouse (Mus musculus) infection model due to Streptococcus pneumoniae. Alejandro Arrabal, Polytechnic University of Madrid, 2021

Megakaryocytes and platelets in SPN respiratory infection: Role of TLR4. Óscar González Hervás, Complutense University of Madrid, 2021

Study of the immune response mediated by pseudo-innate B lymphocytes against TLR4-dependent immunization models. Rodrigo Sánchez, Complutense University of Madrid, 2017.

Study of the diversity in the immunoglobulin repertoire in healthy individuals. Isabel Martín, Francisco de Vitoria University, 2015.

Dynamics of hematopoietic populations in the perinatal spleen. Inmaculada Sanz, Alcalá University, 2014

Teaching in training courses

Training course: Introduction to Flow Cytometry (from 2015 to present)
Training Course: Flow Cytometry Data Analysis (2018 to present)

Outreach / Citizen Science

• Collaboration in the 4th+Company CAM program.

• Collaboration with the ISCIII Scientific Culture Unit in Science Week at the ISCIII

• Scientific Dissemination Project "Talking about Science", carried out in Majadahonda primary, secondary and high school schools, since 2015 in collaboration with the Department of Education and Youth of the Majadahonda City Council: “How your Immune System works and healthy lifestyle habits to take care of it”

Doctoral theses

“Expression and functionality of tlr2 and tlr4 in lymphomyeloid populations present in the lung and lymphoid organs during embryonic and neonatal life in mouse models.”  Carolina Ruiz Sánchez. Complutense University of Madrid, 2022

Master's thesis

Detection and characterization of extracellular vesicles of platelet origin in lung supernatants from SPN-infected animals. Marta Paris, Alcalá University, 2024

Study of TLR-dependent activation in the RAW 264.7 macrophage line. Iñigo Merino de Saracho, Alcalá University, 2023

Study of the functionality of TLR receptors in the lung and other lymphoid organs in B cell populations using the neonatal mouse model. Yolanda Campanero, Alcalá University, 2023

Exploratory study of T lymphoid progenitors in the neonatal mouse lung. Alejandro Arrabal, Complutense University of Madrid, 2022

Study of B lymphoid differentiation in mice deficient for CD5 and CD6 molecules. Cristina Martín, Alcalá University, 2022

Role of platelets and their progenitor cells in two animal models of infection: SPN and RSV. Ana de Lucas Rius, Alcalá University, 2020

Pilot study of RSV infection in the mouse model: cellular phenotype of myeloid and lymphoid populations in the lung in two animal models of infection: SPN and RSV. Juan Antonio Martín Quesada, Alcalá University, 2020

B cell response during Streptococcus pneumoniae infection. Eva Castro, 2020

Study of the hematopoietic potential of neonatal lung cells in the mouse model. Ana Cogollo García, Alcalá University, 2018

Innate immune response to S. pneumoniae in the lung. Rodrigo Sánchez, Complutense University of Madrid, 2018

Neonatal immunity in the mouse model: localization and function of the innate and adaptive response. Alba Ezequiel Fernández, Alcalá University, 2017

Characterization of immunoglobulin gene diversity in the mouse model of TLR4 homeostasis and activation by bacterial lipopolysaccharide. Cristina García Caballero, Alcalá University, 2017

Altered lymphopoiesis and splenic B cell subsets on Telomerase Activity Deficient Mice (TERC-/-). Juliana Manosalva, Complutense University of Madrid, 2017

Study of the Immune Response in Nasopharyngeal Washings of Infants with Bronchiolitis. Isabel Martín Barrios, Complutense University of Madrid, 2016

Dynamics of B1-REL lymphocytes in the in vivo immunization model with DNP-LPS. Inmaculada Sanz Ramos University Alcalá, 2015

Megakaryocyte differentiation pathways in the mouse model. Marta Cobos Briz, Alcalá University, 2015

Role of megakaryocytes in infectious processes. Melania Guerrero Hue, Complutense University of Madrid, 2015

 

Final degree projects

Study of new bacterial vaccines in the mouse (Mus musculus) infection model due to Streptococcus pneumoniae. Alejandro Arrabal, Polytechnic University of Madrid, 2021

Megakaryocytes and platelets in SPN respiratory infection: Role of TLR4. Óscar González Hervás, Complutense University of Madrid, 2021

Study of the immune response mediated by pseudo-innate B lymphocytes against TLR4-dependent immunization models. Rodrigo Sánchez, Complutense University of Madrid, 2017.

Study of the diversity in the immunoglobulin repertoire in healthy individuals. Isabel Martín, Francisco de Vitoria University, 2015.

Dynamics of hematopoietic populations in the perinatal spleen. Inmaculada Sanz, Alcalá University, 2014

Teaching in training courses

Training course: Introduction to Flow Cytometry (from 2015 to present)
Training Course: Flow Cytometry Data Analysis (2018 to present)

Outreach / Citizen Science

• Collaboration in the 4th+Company CAM program.

• Collaboration with the ISCIII Scientific Culture Unit in Science Week at the ISCIII

• Scientific Dissemination Project "Talking about Science", carried out in Majadahonda primary, secondary and high school schools, since 2015 in collaboration with the Department of Education and Youth of the Majadahonda City Council: “How your Immune System works and healthy lifestyle habits to take care of it”

Content with Investigacion Neisseria, Listeria y Bordetella .