El Instituto de Salud Carlos III es el principal Organismo Público de Investigación (OPI), que financia, gestiona y ejecuta la investigación biomédica en España. Con una trayectoria de más de 20 años de investigación en ciencias de la vida y de la salud y prestación de servicios de referencia, es además el organismo gestor de la Acción Estratégica en Salud (AES) en el marco del Plan Nacional de I+D+I. Adscrito orgánicamente al Ministerio de Ciencia, Innovación y Universidades (Real Decreto 865/2018) y funcionalmente, tanto a este como al Ministerio de Sanidad, Consumo y Bienestar Social (Real Decreto 1047/2018), tiene como misión principal el fomento de la generación de conocimiento científico en ciencias de la salud y el impulso de la innovación en la atención sanitaria y en la prevención de la enfermedad. Situando al paciente y a la ciudadanía en el centro de todos sus objetivos y actividades, fomenta y coordina la investigación Biomédica y ofrece Servicios Científico-Técnicos de la más alta calidad, en colaboración con todos los agentes del Sistema Español de Ciencia, Tecnología e Innovación.

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Recent Submissions

Cadmium (Cd) and Lead (Pb) topsoil levels and incidence of childhood leukemias 

There are few well-established risk factors for childhood leukemias. While the frequency of childhood leukemias might be partially attributable to some diseases (accounting for a small fraction of cases) or ionizing radiation, the role of heavy metals has not been assessed. The objective of our stu...

Occupation, occupational exposures and mammographic density in Spanish women 

Introduction: Mammographic density (MD), the proportion of radiologically dense breast tissue, is a strong risk factor for breast cancer. Our objective is to investigate the influence of occupations and occupational exposure to physical, chemical, and microbiological agents on MD in Spanish premeno...

The impact of the COVID-19 pandemic on suicide mortality in Spain: Differences by sex and age 

Background: Variations in suicide following the initial COVID-19 pandemic outbreak were heterogeneous across space, over time, and across population subgroup. Whether suicide has increased during the pandemic in Spain, a major initial COVID-19 hotspot, remains unclear, and no study has examined dif...

Identification of Usutu Virus Africa 3 Lineage in a Survey of Mosquitoes and Birds from Urban Areas of Western Spain 

Usutu virus (USUV) is an emerging zoonotic arbovirus that has caused an increasing number of animal and human cases in Europe in recent years. Understanding the vector species and avian hosts involved in the USUV enzootic cycle in an area of active circulation is vital to anticipate potential outbr...

Starkeya nomas sp. nov., a prosthecate and budding bacterium isolated from an immunocompromized patient 

Strain HF14-78462T is an environmental bacterium found in clinical samples from an immunocompromized patient in 2014 at Hospital Universitari i Politècnic La Fe (Valencia, Spain). Phenotypically, strain HF14-78462T cells were Gram-stain-negative, aerobic, non-spore forming and non-motile small rods...

Re-Emergence of a West Nile Virus (WNV) Variant in South Spain with Rapid Spread Capacity 

West Nile Virus (WNV) is a mosquito vector-borne zoonosis with an increasing incidence in Europe that has become a public health concern. In Spain, although local circulation has been known for decades, until 2020, when a large outbreak occurred, West Nile Virus cases were scarce and mostly occurre...

A pilot study on the feasibility of European harmonized human biomonitoring: Strategies towards a common approach, challenges and opportunities 

In 2004 the European Commission and Member States initiated activities towards a harmonized approach for Human Biomonitoring surveys throughout Europe. The main objective was to sustain environmental health policy by building a coherent and sustainable framework and by increasing the comparability ...

The Danish contribution to the European DEMOCOPHES project: A description of cadmium, cotinine and mercury levels in Danish mother-child pairs and the perspectives of supplementary sampling and measurements 

Human biomonitoring (HBM) is an important tool, increasingly used for measuring true levels of the body burdens of environmental chemicals in the general population. In Europe, a harmonized HBM program was needed to open the possibility to compare levels across borders. To explore the prospect of a...

The European COPHES/DEMOCOPHES project: towards transnational comparability and reliability of human biomonitoring results 

COPHES/DEMOCOPHES has its origins in the European Environment and Health Action Plan of 2004 to "develop a coherent approach on human biomonitoring (HBM) in Europe". Within this twin-project it was targeted to collect specimens from 120 mother-child-pairs in each of the 17 participating European co...

Mercury, lead and cadmium levels in the urine of 170 Spanish adults: a pilot human biomonitoring study 

Human biomonitoring is a well-recognized tool for estimating the exposure of human populations to environmental pollutants. However, information regarding biomarker concentrations of many environmental chemicals in the general population is limited for many countries. The Spanish Environment Minist...

Selecting the best non-invasive matrix to measure mercury exposure in human biomonitoring surveys 

Exposure to mercury, even at low doses, can affect human health, well-being and life quality at a broad scale. Human biomonitoring is the most straightforward approach to measure and quantify mercury exposure in humans. The objective of the present study is to compare and discuss the relationships ...

HCV screening based on dried blood samples and linkage to care in people who use drugs: A prospective study 

Background: The burden of hepatitis C virus (HCV) infection among people who use drugs (PWUDs) is considerable. We aimed to screen for HCV infection using the fingerstick dried blood spot (DBS) test and to describe the cascade of hepatitis C care among PWUDs in Madrid, Spain. We also evaluated the ...

Taxonomy of the order Mononegavirales: update 2018 

In 2018, the order Mononegavirales was expanded by inclusion of 1 new genus and 12 novel species. This article presents the updated taxonomy of the order Mononegavirales as now accepted by the International Committee on Taxonomy of Viruses (ICTV) and summarizes additional taxonomic proposals that m...

Antibody levels to SARS-CoV-2 spike protein in mothers and children from delivery to six months later 

Introduction: Pregnant women are vulnerable to severe acute respiratory syndrome coronavirus (SARS-CoV-2) infection. Neutralizing antibodies against the SARS-CoV-2 spike (S) protein protect from severe disease. This study analyzes the antibody titers to SARS-CoV-2 S protein in pregnant women and th...

High SARS-CoV-2 Viral Load and Low CCL5 Expression Levels in the Upper Respiratory Tract Are Associated With COVID-19 Severity 

Mucosal immune response in the upper respiratory tract is crucial for initial control of viral replication, clearance of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), and progression of coronavirus disease 2019 (COVID-19). We analyzed SARS-CoV-2 RNA load and expression of selected i...

Influence of Respiratory Syncytial Virus F Glycoprotein Conformation on Induction of Protective Immune Responses 

Human respiratory syncytial virus (hRSV) vaccine development has received new impetus from structure-based studies of its main protective antigen, the fusion (F) glycoprotein. Three soluble forms of F have been described: monomeric, trimeric prefusion, and trimeric postfusion. Most human neutralizi...

A monomeric uncleaved respiratory syncytial virus F antigen retains prefusion-specific neutralizing epitopes 

Respiratory syncytial virus (RSV) is the leading infectious cause of severe respiratory disease in infants and a major cause of respiratory illness in the elderly. There remains an unmet vaccine need despite decades of research. Insufficient potency, homogeneity, and stability of previous RSV fusio...

Neutralizing antibodies against the preactive form of respiratory syncytial virus fusion protein offer unique possibilities for clinical intervention 

Human respiratory syncytial virus (hRSV) is the most important viral agent of pediatric respiratory infections worldwide. The only specific treatment available today is a humanized monoclonal antibody (Palivizumab) directed against the F glycoprotein, administered prophylactically to children at ve...

Residues of the human metapneumovirus fusion (F) protein critical for its strain-related fusion phenotype: implications for the virus replication cycle 

The paramyxovirus F protein promotes fusion of the viral and cell membranes for virus entry, as well as cell-cell fusion for syncytium formation. Most paramyxovirus F proteins are triggered at neutral pH to initiate membrane fusion. Previous studies, however, demonstrated that human metapneumovirus...

Low-pH-induced membrane fusion mediated by human metapneumovirus F protein is a rare, strain-dependent phenomenon 

Membrane fusion promoted by human metapneumovirus (HMPV) fusion (F) protein was suggested to require low pH (R. M. Schowalter, S. E. Smith, and R. E. Dutch, J. Virol. 80:10931-10941, 2006). Using prototype F proteins representing the four HMPV genetic lineages, we detected low-pH-dependent fusion o...