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de Diego C, Lasierra AB, López-Vergara L, Torralba L, Ruiz de Gopegui P, Lahoz R, Abadía C, Godino J, Cebollada A, Jimeno B, Bello C, Tejada A, Bello S. What is the actual relationship between neutrophil extracellular traps and COVID-19 severity? A longitudinal study. Respir Res 2024; 25:48. [PMID: 38243237 PMCID: PMC10797938 DOI: 10.1186/s12931-023-02650-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 12/21/2023] [Indexed: 01/21/2024] Open
Abstract
BACKGROUND Neutrophil extracellular traps (NETs) have repeatedly been related to COVID-19 severity and mortality. However, there is no consensus on their quantification, and there are scarce data on their evolution during the disease. We studied circulating NET markers in patients with COVID-19 throughout their hospitalization. METHODS We prospectively included 93 patients (201 blood samples), evaluating the disease severity in 3 evolutionary phases (viral, early, and late inflammation). Of these, 72 had 180 samples in various phases. We also evaluated 55 controls with similar age, sex and comorbidities. We measured 4 NET markers in serum: cfDNA, CitH3, and MPO-DNA and NE-DNA complexes; as well as neutrophil-related cytokines IL-8 and G-CSF. RESULTS The COVID-19 group had higher CitH3 (28.29 vs 20.29 pg/mL, p = 0.022), and cfDNA, MPO-DNA, and NE-DNA (7.87 vs 2.56 ng/mL; 0.80 vs 0.52 and 1.04 vs 0.72, respectively, p < 0.001 for all) than the controls throughout hospitalisation. cfDNA was the only NET marker clearly related to severity, and it remained higher in non-survivors during the 3 phases. Only cfDNA was an independent risk factor for mortality and need for intensive care. Neutrophil count, IL-8, and G-CSF were significantly related to severity. MPO-DNA and NE-DNA showed significant correlations (r: 0.483, p < 0.001), including all 3 phases and across all severity grades, and they only remained significantly higher on days 10-16 of evolution in those who died. Correlations among the other NET markers were lower than expected. CONCLUSIONS The circulating biomarkers of NETs were present in patients with COVID-19 throughout hospitalization. cfDNA was associated with severity and mortality, but the three other markers showed little or no association with these outcomes. Neutrophil activity and neutrophil count were also associated with severity. MPO-DNA and NE-DNA better reflected NET formation. cfDNA appeared to be more associated with overall tissue damage; previous widespread use of this marker could have overestimated the relationship between NETs and severity. Currently, there are limitations to accurate NET markers measurement that make it difficult to assess its true role in COVID-19 pathogenesis.
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Affiliation(s)
- Cristina de Diego
- Department of Pulmonary Medicine, Miguel Servet University Hospital, CIBERES, Instituto de Investigación Sanitaria (ISS) Aragón, Avenida Isabel la Católica 1-9, 50009, Zaragoza, Spain
| | | | - Lucía López-Vergara
- Department of Pulmonary Medicine, Miguel Servet University Hospital, CIBERES, Instituto de Investigación Sanitaria (ISS) Aragón, Avenida Isabel la Católica 1-9, 50009, Zaragoza, Spain
| | - Laura Torralba
- Department of Pulmonary Medicine, Miguel Servet University Hospital, CIBERES, Instituto de Investigación Sanitaria (ISS) Aragón, Avenida Isabel la Católica 1-9, 50009, Zaragoza, Spain
| | | | - Raquel Lahoz
- Department of Biochemistry. Miguel, Servet University Hospital, Zaragoza, Spain
| | - Claudia Abadía
- Department of Biochemistry. Miguel, Servet University Hospital, Zaragoza, Spain
| | - Javier Godino
- Department of Cytometry and Cell Separation, Aragon Institute of Health Sciences (IACS), Zaragoza, Spain
| | - Alberto Cebollada
- Biocomputing Technical Scientific Service, Aragon Institute of Health Sciences (IACS), Zaragoza, Spain
| | - Beatriz Jimeno
- Department of Cytometry and Cell Separation, Aragon Institute of Health Sciences (IACS), Zaragoza, Spain
| | - Carlota Bello
- Department of Radiology, Hospital Clínico Lozano Blesa, Zaragoza, Spain
| | - Antonio Tejada
- Intensive Care Unit, Miguel Servet University Hospital, Zaragoza, Spain
| | - Salvador Bello
- Department of Pulmonary Medicine, Miguel Servet University Hospital, CIBERES, Instituto de Investigación Sanitaria (ISS) Aragón, Avenida Isabel la Católica 1-9, 50009, Zaragoza, Spain.
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Mateo-Gallego R, Gracia-Rubio I, Garza MC, Cebollada A, Pérez-Calahorra S, Bayona-Sánchez A, Bujeda-Hernández C, Jarauta E, Sánchez-Calavera MA, Lamiquiz-Moneo I. The impact of the COVID-19 pandemic in diabetes and dyslipidemia management in a Spanish region: a retrospective study of the Aragon population. Front Med (Lausanne) 2023; 10:1191026. [PMID: 37484851 PMCID: PMC10359133 DOI: 10.3389/fmed.2023.1191026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 06/05/2023] [Indexed: 07/25/2023] Open
Abstract
Introduction Previous research has indicated that the COVID-19 outbreak had a negative impact on the diagnosis and management of cardiometabolic diseases. Our aim was to analyze the impact of the COVID-19 pandemic on the management of dyslipidemia and type 2 diabetes (T2D) in the Aragon region of Spain. Methods We conducted an observational retrospective study, which included data from all patients diagnosed with active T2D or dyslipidemia in Aragon during 2019-2021. Data was collected from the BIGAN platform, a big database that includes all healthcare data from the Aragon population. Clinical, biochemical, and pharmacological prescription information was obtained for each patient and for each year. Results Out of the total population of 1,330,000 in the Aragon region, 90,000 subjects were diagnosed with T2D each year, resulting in a prevalence of approximately 7%. The COVID-19 pandemic resulted in a decrease in the prevalence of this disease and a lower incidence during the year 2020. In addition, patients with T2D experienced a deterioration of their glucose profile, which led to an increase in the number of patients requiring pharmacological therapy. The prevalence of dyslipidemia was approximately 23.5% in both 2019 and 2020 and increased to 24.5% in 2021. Despite the worsening of the anthropometric profile, the lipid profile improved significantly throughout 2020 and 2021 compared to 2019. Moreover, the number of active pharmacological prescriptions increased significantly in 2021. Discussion Our findings suggest that the overload of the health system caused by the COVID-19 pandemic has resulted in an underdiagnosis of T2D. Moreover, patients with T2D experienced a worsening of their glycemic profile, an increase in their pharmacological requirements, and lower performance of their analytical determinations. Dyslipidemic subjects improved their lipid profile although the value of lipid profile determination decreased between 2020 and 2021.
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Affiliation(s)
- Rocio Mateo-Gallego
- Hospital Universitario Miguel Servet, Instituto de Investigación Sanitaria Aragón (IIS Aragón), CIBERCV, Zaragoza, Spain
- Department of Physiatry and Nursing, Faculty of Health and Sports Sciences, University de Zaragoza, Huesca, Spain
| | - Irene Gracia-Rubio
- Hospital Universitario Miguel Servet, Instituto de Investigación Sanitaria Aragón (IIS Aragón), CIBERCV, Zaragoza, Spain
| | - María Carmen Garza
- Department of Human Anatomy and Histology, School Medicine, University of Zaragoza, Zaragoza, Spain
| | - Alberto Cebollada
- Computation Unit, Instituto Aragonés de Ciencias de la Salud (IACS Aragón), Zaragoza, Spain
| | - Sofía Pérez-Calahorra
- Department of Physiatry and Nursing, Faculty of Health Sciences, University of Zaragoza, Zaragoza, Spain
| | - Ana Bayona-Sánchez
- Department of Human Anatomy and Histology, School Medicine, University of Zaragoza, Zaragoza, Spain
| | | | - Estibaliz Jarauta
- Hospital Universitario Miguel Servet, Instituto de Investigación Sanitaria Aragón (IIS Aragón), CIBERCV, Zaragoza, Spain
- Department of Medicine and Psychiatry, University of Zaragoza, Zaragoza, Spain
| | - Maria Antonia Sánchez-Calavera
- Department of Medicine and Psychiatry, University of Zaragoza, Zaragoza, Spain
- Health Research Institute of Aragon (IIS Aragón), Zaragoza, Spain
- Research Network on Preventive Activities and Health Promotion (Red de Investigación en Actividades Preventivas y Promoción de la Salud), Barcelona, Spain
- Aragones Health Service, Zaragoza, Spain
| | - Itziar Lamiquiz-Moneo
- Hospital Universitario Miguel Servet, Instituto de Investigación Sanitaria Aragón (IIS Aragón), CIBERCV, Zaragoza, Spain
- Department of Human Anatomy and Histology, School Medicine, University of Zaragoza, Zaragoza, Spain
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Comín J, Viñuelas J, Lafoz C, Cebollada A, Ibarz D, Iglesias MJ, Samper S. Rapid Identification of Lineage and Drug Resistance in Clinical Samples of Mycobacterium tuberculosis. Microorganisms 2023; 11:1467. [PMID: 37374968 DOI: 10.3390/microorganisms11061467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 05/25/2023] [Accepted: 05/27/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND Mycobacterium tuberculosis is a slow-growing bacterium, which could delay its diagnosis and, therefore, promote the spread of the disease. Whole-genome sequencing allows us to obtain the complete drug-resistance profile of the strain; however, bacterial cultivation of clinical samples, along with complex processing, is required. METHODS In this work, we explore AmpliSeq, an amplicon-based enrichment method for preparing libraries for targeted next-generation sequencing, to identify lineage and drug resistance directly from clinical samples. RESULTS In our study, 111 clinical samples were tested. The lineage was identified in 100% of the culture-derived samples (52/52), in 95% of the smear (BK)-positive clinical samples (38/40) and in 42.1% of the BK-negative clinical samples (8/19). The drug-resistance profile was accurately identified in all but 11 samples, in which some phenotypic and genotypic discrepancies were found. In this respect, our panels were not exact in the detection of streptomycin resistance for isolates derived from clinical samples, as an extremely high number of SNPs in the rrs and rrl genes were detected due to cross-contamination. CONCLUSION This technique has demonstrated high sensitivity in obtaining the drug-resistance profile of the isolates, as even those samples with DNA concentrations below the detection limit of Qubit produced a result. AmpliSeq technology is cheaper than whole-genome sequencing, easy to perform by laboratory technicians and applicable to any microorganism using the Ion Torrent platform.
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Affiliation(s)
- Jéssica Comín
- Instituto Aragonés de Ciencias de la Salud, C/de San Juan Bosco 13, 50009 Zaragoza, Spain
| | - Jesús Viñuelas
- Servicio de Microbiología, Hospital Universitario Miguel Servet, Paseo Isabel la Católica 1-3, 50009 Zaragoza, Spain
- Grupo de Estudio de Infecciones por Micobacterias (GEIM), Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica, C/Agustín de Bentacourt, No. 13, 28003 Madrid, Spain
| | - Carmen Lafoz
- Servicio General de Apoyo a la Investigación, Servicio de Análisis Microbiológico, Universidad de Zaragoza, C/Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Alberto Cebollada
- Unidad de Biocomputación, Instituto Aragonés de Ciencias de la Salud, C/de San Juan Bosco 13, 50009 Zaragoza, Spain
| | - Daniel Ibarz
- Grupo de Genética de Micobacterias, Facultad de Medicina, Universidad de Zaragoza, C/Domingo Miral S/N, 50009 Zaragoza, Spain
| | - María-José Iglesias
- Grupo de Genética de Micobacterias, Facultad de Medicina, Universidad de Zaragoza, C/Domingo Miral S/N, 50009 Zaragoza, Spain
- Fundación IIS Aragón, C/de San Juan Bosco 13, 50009 Zaragoza, Spain
- CIBER de Enfermedades Respiratorias, Av. Monforte de Lemos 3-5, Pabellón 11, Planta 0, 28029 Madrid, Spain
| | - Sofía Samper
- Instituto Aragonés de Ciencias de la Salud, C/de San Juan Bosco 13, 50009 Zaragoza, Spain
- Grupo de Genética de Micobacterias, Facultad de Medicina, Universidad de Zaragoza, C/Domingo Miral S/N, 50009 Zaragoza, Spain
- Fundación IIS Aragón, C/de San Juan Bosco 13, 50009 Zaragoza, Spain
- CIBER de Enfermedades Respiratorias, Av. Monforte de Lemos 3-5, Pabellón 11, Planta 0, 28029 Madrid, Spain
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Bello S, Lasierra AB, López-Vergara L, de Diego C, Torralba L, de Gopegui PR, Lahoz R, Abadía C, Godino J, Cebollada A, Jimeno B, Bello C, Tejada A, Torres A. IL-6 and cfDNA monitoring throughout COVID-19 hospitalization are accurate markers of its outcomes. Respir Res 2023; 24:125. [PMID: 37147677 PMCID: PMC10161166 DOI: 10.1186/s12931-023-02426-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 04/18/2023] [Indexed: 05/07/2023] Open
Abstract
BACKGROUND Severe COVID-19 entails a dysregulated immune response, most likely inflammation related to a lack of virus control. A better understanding of immune toxicity, immunosuppression balance, and COVID-19 assessments could help determine whether different clinical presentations are driven by specific types of immune responses. The progression of the immune response and tissular damage could predict outcomes and may help in the management of patients. METHODS We collected 201 serum samples from 93 hospitalised patients classified as moderately, severely, and critically ill. We differentiated the viral, early inflammatory, and late inflammatory phases and included 72 patients with 180 samples in separate stages for longitudinal study and 55 controls. We studied selected cytokines, P-selectin, and the tissue damage markers lactate dehydrogenase (LDH) and cell-free DNA (cfDNA). RESULTS TNF-α, IL-6, IL-8, and G-CSF were associated with severity and mortality, but only IL-6 increased since admission in the critical patients and non-survivors, correlating with damage markers. The lack of a significant decrease in IL-6 levels in the critical patients and non-survivors in the early inflammatory phase (a decreased presence in the other patients) suggests that these patients did not achieve viral control on days 10-16. For all patients, lactate dehydrogenase and cfDNA levels increased with severity, and cfDNA levels increased in the non-survivors from the first sample (p = 0.002) to the late inflammatory phase (p = 0.031). In the multivariate study, cfDNA was an independent risk factor for mortality and ICU admission. CONCLUSIONS The distinct progression of IL-6 levels in the course of the disease, especially on days 10-16, was a good marker of progression to critical status and mortality and could guide the start of IL-6 blockade. cfDNA was an accurate marker of severity and mortality from admission and throughout COVID-19 progression.
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Affiliation(s)
- Salvador Bello
- Department of Pulmonary Medicine, Miguel Servet University Hospital, CIBERES, Instituto de Investigación Sanitaria (ISS) Aragón, Avenida Isabel La Católica 1-9, 50009, Zaragoza, Spain.
| | | | - Lucía López-Vergara
- Department of Pulmonary Medicine, Miguel Servet University Hospital, CIBERES, Instituto de Investigación Sanitaria (ISS) Aragón, Avenida Isabel La Católica 1-9, 50009, Zaragoza, Spain
| | - Cristina de Diego
- Department of Pulmonary Medicine, Miguel Servet University Hospital, CIBERES, Instituto de Investigación Sanitaria (ISS) Aragón, Avenida Isabel La Católica 1-9, 50009, Zaragoza, Spain
| | - Laura Torralba
- Department of Pulmonary Medicine, Miguel Servet University Hospital, CIBERES, Instituto de Investigación Sanitaria (ISS) Aragón, Avenida Isabel La Católica 1-9, 50009, Zaragoza, Spain
| | | | - Raquel Lahoz
- Department of Biochemistry, Miguel Servet University Hospital, Zaragoza, Spain
| | - Claudia Abadía
- Department of Biochemistry, Miguel Servet University Hospital, Zaragoza, Spain
| | - Javier Godino
- Department of Cytometry and Cell Separation, Aragon Institute of Health Sciences (IACS), Zaragoza, Spain
| | - Alberto Cebollada
- Biocomputing Technical Scientific Service, Aragon Institute of Health Sciences (IACS), Zaragoza, Spain
| | - Beatriz Jimeno
- Department of Cytometry and Cell Separation, Aragon Institute of Health Sciences (IACS), Zaragoza, Spain
| | - Carlota Bello
- Department of Radiology, Hospital Clínico Lozano Blesa, Zaragoza, Spain
| | - Antonio Tejada
- Intensive Care Unit, Miguel Servet University Hospital, Zaragoza, Spain
| | - Antoni Torres
- Servei de Pneumologia, Hospital Clinic, Universitat de Barcelona, IDIBAPS, ICREA, CIBERESUCICOVID, Barcelona, Spain
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Comín J, Cebollada A, Samper S. Estimation of the mutation rate of Mycobacterium tuberculosis in cases with recurrent tuberculosis using whole genome sequencing. Sci Rep 2022; 12:16728. [PMID: 36202945 PMCID: PMC9537313 DOI: 10.1038/s41598-022-21144-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 09/22/2022] [Indexed: 12/04/2022] Open
Abstract
The study of tuberculosis latency is problematic due to the difficulty of isolating the bacteria in the dormancy state. Despite this, several in vivo approaches have been taken to mimic the latency process. Our group has studied the evolution of the bacteria in 18 cases of recurrent tuberculosis. We found that HIV positive patients develop recurrent tuberculosis earlier, generally in the first two years (p value = 0.041). The genome of the 36 Mycobacterium tuberculosis paired isolates (first and relapsed isolates) showed that none of the SNPs found within each pair was observed more than once, indicating that they were not directly related to the recurrence process. Moreover, some IS6110 movements were found in the paired isolates, indicating the presence of different clones within the patient. Finally, our results suggest that the mutation rate remains constant during all the period as no correlation was found between the number of SNPs and the time to relapse.
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Affiliation(s)
- Jessica Comín
- Instituto Aragonés de Ciencias de la Salud, C/de San Juan Bosco, 13, 50009, Zaragoza, Spain.
| | - Alberto Cebollada
- grid.419040.80000 0004 1795 1427Unidad de Biocomputación, Instituto Aragonés de Ciencias de la Salud, C/de San Juan Bosco, 13, 50009 Zaragoza, Spain
| | | | - Sofía Samper
- grid.419040.80000 0004 1795 1427Instituto Aragonés de Ciencias de la Salud, C/de San Juan Bosco, 13, 50009 Zaragoza, Spain ,grid.488737.70000000463436020Fundación IIS Aragón, C/de San Juan Bosco, 13, 50009 Zaragoza, Spain ,grid.512891.6CIBER de Enfermedades Respiratorias, Av. Monforte de Lemos, 3-5. Pabellón 11, Planta 0, 28029 Madrid, Spain
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Comín J, Madacki J, Rabanaque I, Zúñiga-Antón M, Ibarz D, Cebollada A, Viñuelas J, Torres L, Sahagún J, Klopp C, Gonzalo-Asensio J, Brosch R, Iglesias MJ, Samper S. The MtZ Strain: Molecular Characteristics and Outbreak Investigation of the Most Successful Mycobacterium tuberculosis Strain in Aragon Using Whole-Genome Sequencing. Front Cell Infect Microbiol 2022; 12:887134. [PMID: 35685752 PMCID: PMC9173592 DOI: 10.3389/fcimb.2022.887134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/11/2022] [Indexed: 11/13/2022] Open
Abstract
Since 2004, a tuberculosis surveillance protocol has been carried out in Aragon, thereby managing to detect all tuberculosis outbreaks that take place in the community. The largest outbreak was caused by a strain named Mycobacterium tuberculosis Zaragoza (MtZ), causing 242 cases as of 2020. The main objective of this work was to analyze this outbreak and the molecular characteristics of this successful strain that could be related to its greater transmission. To do this, we first applied whole-genome sequencing to 57 of the isolates. This revealed two principal transmission clusters and six subclusters arising from them. The MtZ strain belongs to L4.8 and had eight specific single nucleotide polymorphisms (SNPs) in genes considered to be virulence factors [ptpA, mc3D, mc3F, VapB41, pks15 (two SNPs), virS, and VapC50]. Second, a transcriptomic study was carried out to better understand the multiple IS6110 copies present in its genome. This allowed us to observe three effects of IS6110: the disruption of the gene in which the IS6110 is inserted (desA3), the overexpression of a gene (ppe38), and the absence of transcription of genes (cut1:Rv1765c) due to the recombination of two IS6110 copies. Finally, because of the disruption of ppe38 and ppe71 genes by an IS6110, a study of PE_PGRS secretion was carried out, showing that MtZ secretes these factors in higher amounts than the reference strain, thereby differing from the hypervirulent phenotype described for the Beijing strains. In conclusion, MtZ consists of several SNPs in genes related to virulence, pathogenesis, and survival, as well as other genomic polymorphisms, which may be implicated in its success among our population.
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Affiliation(s)
- Jessica Comín
- Grupo de Genética de Micobacterias, Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain
| | - Jan Madacki
- Unit for Integrated Mycobacterial Pathogenomics, Institut Pasteur, Université de Paris, CNRS UMR 3525, Paris, France
| | - Isabel Rabanaque
- Departamento de Geografía y Ordenación del Territorio, Universidad de Zaragoza, Zaragoza, Spain.,Instituto Universitario de Investigación en Ciencias Ambientales de Aragón, Zaragoza, Spain.,Fundación Instituto de Investigación Sanitaria (IIS) Aragón, Zaragoza, Spain
| | - María Zúñiga-Antón
- Departamento de Geografía y Ordenación del Territorio, Universidad de Zaragoza, Zaragoza, Spain.,Instituto Universitario de Investigación en Ciencias Ambientales de Aragón, Zaragoza, Spain.,Fundación Instituto de Investigación Sanitaria (IIS) Aragón, Zaragoza, Spain
| | - Daniel Ibarz
- Grupo de Genética de Micobacterias, Facultad de Medicina, Universidad de Zaragoza, Zaragoza, Spain
| | - Alberto Cebollada
- Unidad de Biocomputación, Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain
| | - Jesús Viñuelas
- Hospital Universitario Miguel Servet, Zaragoza, Spain.,Grupo de Estudio de Infecciones por Micobacterias (GEIM), Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica, Madrid, Spain
| | | | - Juan Sahagún
- Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain
| | | | - Jesús Gonzalo-Asensio
- Grupo de Genética de Micobacterias, Facultad de Medicina, Universidad de Zaragoza, Zaragoza, Spain
| | - Roland Brosch
- Unit for Integrated Mycobacterial Pathogenomics, Institut Pasteur, Université de Paris, CNRS UMR 3525, Paris, France
| | - María-José Iglesias
- Fundación Instituto de Investigación Sanitaria (IIS) Aragón, Zaragoza, Spain.,Grupo de Genética de Micobacterias, Facultad de Medicina, Universidad de Zaragoza, Zaragoza, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Respiratorias, Madrid, Spain
| | - Sofía Samper
- Grupo de Genética de Micobacterias, Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain.,Fundación Instituto de Investigación Sanitaria (IIS) Aragón, Zaragoza, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Respiratorias, Madrid, Spain
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7
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Millán-Lou MI, López C, Bueno J, Pérez-Laguna V, Lapresta C, Fuertes ME, Rite S, Santiago M, Romo M, Samper S, Cebollada A, Oteo-Iglesias J, Rezusta A. Successful control of Serratia marcescens outbreak in a neonatal unit of a tertiary-care hospital in Spain. Enferm Infecc Microbiol Clin (Engl Ed) 2022; 40:248-254. [PMID: 35577443 DOI: 10.1016/j.eimce.2021.05.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Accepted: 05/06/2021] [Indexed: 06/15/2023]
Abstract
OBJECTIVE Serratia marcescens is a Gram-negative bacterium that is found in hospital environments and commonly associated with outbreaks in neonatal units. One S. marcescens isolate was detected from a bloodstream culture from a neonate in our hospital that was followed by an outbreak. The aim of this study was to describe the molecular epidemiology of a S. marcescens outbreak in the neonatal unit. METHODS In order to investigate the outbreak, weekly surveillance rectal swabs were submitted for culture from all patients admitted in this unit from August to September 2018. Environmental samples were obtained from potential sources in September 2018. Typing of isolates was performed by pulsed field gel electrophoresis (PFGE). In addition, we studied the in vitro activity of chlorhexidine against S. marcescens. RESULTS During this period, 146 infants were hospitalised in our neonatal unit, of which 16 patients had a S. marcescens-positive sample. A total of 36 environmental surveillance samples were collected, and one sample from a stethoscope from an incubator of a colonized baby was positive for S. marcescens. All the 18 isolates, including the isolate from the stethoscope, belonged to a single PFGE cluster. We found that very low concentrations of chlorhexidine, even with application times close to 0 achieved significant reductions in the amount of S. marcescens. CONCLUSION A unique clone of S. marcescens caused this outbreak, including isolates from patients and from one stethoscope. The outbreak was controlled with the early implementation of specific control measures.
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Affiliation(s)
- María Isabel Millán-Lou
- Servicio de Microbiología, Hospital Universitario Miguel-Servet, Zaragoza, Spain; Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, Spain.
| | - Concepción López
- Servicio de Microbiología, Hospital Universitario Miguel-Servet, Zaragoza, Spain
| | - Jessica Bueno
- Servicio de Microbiología, Hospital Universitario Miguel-Servet, Zaragoza, Spain; Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, Spain
| | - Vanesa Pérez-Laguna
- Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, Spain.
| | - Carlos Lapresta
- Servicio de Medicina Preventiva, Hospital Universitario Miguel-Servet, Zaragoza, Spain
| | - María Elena Fuertes
- Unidad de neonatología, Hospital Universitario Miguel-Servet, Zaragoza, Spain
| | - Segundo Rite
- Unidad de neonatología, Hospital Universitario Miguel-Servet, Zaragoza, Spain
| | - Mónica Santiago
- Servicio de Microbiología, Hospital Universitario Miguel-Servet, Zaragoza, Spain
| | - María Romo
- Servicio de Microbiología, Hospital Universitario Miguel-Servet, Zaragoza, Spain
| | - Sofia Samper
- Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, Spain
| | - Alberto Cebollada
- CIBERES, ISCIII, Madrid, Spain; Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, Zaragoza, Spain; Unidad de Biocomputación, Instituto Aragonés de Ciencias de la Salud (IACS/IIS Aragón), Zaragoza, Spain
| | - Jesús Oteo-Iglesias
- Laboratorio de Referencia e Investigación en Resistencia a Antibióticos, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Madrid, Spain
| | - Antonio Rezusta
- Servicio de Microbiología, Hospital Universitario Miguel-Servet, Zaragoza, Spain; Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, Spain; Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, Zaragoza, Spain
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Lamiquiz-Moneo I, Pérez-Calahorra S, Gracia-Rubio I, Cebollada A, Bea AM, Fumanal A, Ferrer-Mairal A, Prieto-Martín A, Sanz-Fernández ML, Cenarro A, Civeira F, Mateo-Gallego R. Effect of the Consumption of Alcohol-Free Beers with Different Carbohydrate Composition on Postprandial Metabolic Response. Nutrients 2022; 14:nu14051046. [PMID: 35268021 PMCID: PMC8912682 DOI: 10.3390/nu14051046] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 02/25/2022] [Accepted: 02/27/2022] [Indexed: 12/04/2022] Open
Abstract
Background: We investigated the postprandial effects of an alcohol-free beer with modified carbohydrate (CH) composition compared to regular alcohol-free beer. Methods: Two randomized crossover studies were conducted. In the first study, 10 healthy volunteers received 25 g of CH in four different periods, coming from regular alcohol-free beer (RB), alcohol-free beer enriched with isomaltulose and a resistant maltodextrin (IMB), alcohol-free beer enriched with resistant maltodextrin (MB), and a glucose-based beverage. In the second study, 20 healthy volunteers were provided with 50 g of CH from white bread (WB) plus water, or with 14.3 g of CH coming from RB, IMB, MB, and extra WB. Blood was sampled after ingestion every 15 min for 2 h. Glucose, insulin, incretin hormones, TG, and NEFAs were determined in all samples. Results: The increase in glucose, insulin, and incretin hormones after the consumption of IMB and MB was significantly lower than after RB. The consumption of WB with IMB and MB showed significantly less increase in glucose levels than WB with water or WB with RB. Conclusions: The consumption of an alcohol-free beer with modified CH composition led to a better postprandial response compared to a conventional alcohol-free beer.
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Affiliation(s)
- Itziar Lamiquiz-Moneo
- Laboratorio de Investigación Molecular, Hospital Universitario Miguel Servet, Instituto de Investigación Sanitaria Aragón (IIS Aragón), Centro de Investigación Biomédica en Red Enfermedades Cardiovasculares (CIBERCV), Universidad de Zaragoza, 50009 Zaragoza, Spain; (I.G.-R.); (A.M.B.); (A.C.); (F.C.); (R.M.-G.)
- Departamento de Anatomía e Histologías Humanas, Facultad de Medicina, Universidad de Zaragoza, 50009 Zaragoza, Spain
- Correspondence: ; Tel.: +34-976-765-500 (ext. 142895)
| | - Sofia Pérez-Calahorra
- Departamento de Fisiatría y Enfermería, Facultad de Ciencias de la Salud y del Deporte, Universidad de Zaragoza, 22002 Huesca, Spain;
| | - Irene Gracia-Rubio
- Laboratorio de Investigación Molecular, Hospital Universitario Miguel Servet, Instituto de Investigación Sanitaria Aragón (IIS Aragón), Centro de Investigación Biomédica en Red Enfermedades Cardiovasculares (CIBERCV), Universidad de Zaragoza, 50009 Zaragoza, Spain; (I.G.-R.); (A.M.B.); (A.C.); (F.C.); (R.M.-G.)
| | - Alberto Cebollada
- Unidad de Biocomputación, Instituto Aragonés de Ciencias de la Salud (IACS Aragón), 50009 Zaragoza, Spain;
| | - Ana M. Bea
- Laboratorio de Investigación Molecular, Hospital Universitario Miguel Servet, Instituto de Investigación Sanitaria Aragón (IIS Aragón), Centro de Investigación Biomédica en Red Enfermedades Cardiovasculares (CIBERCV), Universidad de Zaragoza, 50009 Zaragoza, Spain; (I.G.-R.); (A.M.B.); (A.C.); (F.C.); (R.M.-G.)
| | - Antonio Fumanal
- Grupo Ágora—La Zaragozana S.A., 50007 Zaragoza, Spain; (A.F.); (A.P.-M.)
| | - Ana Ferrer-Mairal
- Instituto Agroalimentario de Aragón (IA2), 50013 Zaragoza, Spain;
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Ciencias de la Salud y del Deporte, Universidad de Zaragoza, 22002 Huesca, Spain
| | | | | | - Ana Cenarro
- Laboratorio de Investigación Molecular, Hospital Universitario Miguel Servet, Instituto de Investigación Sanitaria Aragón (IIS Aragón), Centro de Investigación Biomédica en Red Enfermedades Cardiovasculares (CIBERCV), Universidad de Zaragoza, 50009 Zaragoza, Spain; (I.G.-R.); (A.M.B.); (A.C.); (F.C.); (R.M.-G.)
- Instituto Aragonés de Ciencias de la Salud (IACS), 50009 Zaragoza, Spain
| | - Fernando Civeira
- Laboratorio de Investigación Molecular, Hospital Universitario Miguel Servet, Instituto de Investigación Sanitaria Aragón (IIS Aragón), Centro de Investigación Biomédica en Red Enfermedades Cardiovasculares (CIBERCV), Universidad de Zaragoza, 50009 Zaragoza, Spain; (I.G.-R.); (A.M.B.); (A.C.); (F.C.); (R.M.-G.)
- Departamento de Medicina, Psiquiatría y Dermatología, Facultad de Medicina, Universidad de Zaragoza, 50009 Zaragoza, Spain
| | - Rocio Mateo-Gallego
- Laboratorio de Investigación Molecular, Hospital Universitario Miguel Servet, Instituto de Investigación Sanitaria Aragón (IIS Aragón), Centro de Investigación Biomédica en Red Enfermedades Cardiovasculares (CIBERCV), Universidad de Zaragoza, 50009 Zaragoza, Spain; (I.G.-R.); (A.M.B.); (A.C.); (F.C.); (R.M.-G.)
- Departamento de Fisiatría y Enfermería, Facultad de Ciencias de la Salud y del Deporte, Universidad de Zaragoza, 22002 Huesca, Spain;
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9
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Ramos‐Marquès E, García‐Mendívil L, Pérez‐Zabalza M, Santander‐Badules H, Srinivasan S, Oliveros JC, Torres‐Pérez R, Cebollada A, Vallejo‐Gil JM, Fresneda‐Roldán PC, Fañanás‐Mastral J, Vázquez‐Sancho M, Matamala‐Adell M, Sorribas‐Berjón JF, Bellido‑Morales JA, Mancebón‑Sierra FJ, Vaca‑Núñez AS, Ballester‐Cuenca C, Jiménez‐Navarro M, Villaescusa JM, Garrido‐Huéscar E, Segovia‐Roldán M, Oliván‐Viguera A, Gómez‐González C, Muñiz G, Diez E, Ordovás L, Pueyo E. Chronological and biological aging of the human left ventricular myocardium: Analysis of microRNAs contribution. Aging Cell 2021; 20:e13383. [PMID: 34092006 PMCID: PMC8282276 DOI: 10.1111/acel.13383] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/26/2021] [Accepted: 04/26/2021] [Indexed: 11/29/2022] Open
Abstract
Aging is the main risk factor for cardiovascular diseases. In humans, cardiac aging remains poorly characterized. Most studies are based on chronological age (CA) and disregard biological age (BA), the actual physiological age (result of the aging rate on the organ structure and function), thus yielding potentially imperfect outcomes. Deciphering the molecular basis of ventricular aging, especially by BA, could lead to major progresses in cardiac research. We aim to describe the transcriptome dynamics of the aging left ventricle (LV) in humans according to both CA and BA and characterize the contribution of microRNAs, key transcriptional regulators. BA is measured using two CA-associated transcriptional markers: CDKN2A expression, a cell senescence marker, and apparent age (AppAge), a highly complex transcriptional index. Bioinformatics analysis of 132 LV samples shows that CDKN2A expression and AppAge represent transcriptomic changes better than CA. Both BA markers are biologically validated in relation to an aging phenotype associated with heart dysfunction, the amount of cardiac fibrosis. BA-based analyses uncover depleted cardiac-specific processes, among other relevant functions, that are undetected by CA. Twenty BA-related microRNAs are identified, and two of them highly heart-enriched that are present in plasma. We describe a microRNA-gene regulatory network related to cardiac processes that are partially validated in vitro and in LV samples from living donors. We prove the higher sensitivity of BA over CA to explain transcriptomic changes in the aging myocardium and report novel molecular insights into human LV biological aging. Our results can find application in future therapeutic and biomarker research.
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Affiliation(s)
- Estel Ramos‐Marquès
- Biomedical Signal Interpretation and Computational Simulation group (BSICoS) Aragón Institute of Engineering Research University of Zaragoza Zaragoza Spain
- BSICoSIIS Aragón Zaragoza Spain
| | - Laura García‐Mendívil
- Biomedical Signal Interpretation and Computational Simulation group (BSICoS) Aragón Institute of Engineering Research University of Zaragoza Zaragoza Spain
- BSICoSIIS Aragón Zaragoza Spain
| | - María Pérez‐Zabalza
- Biomedical Signal Interpretation and Computational Simulation group (BSICoS) Aragón Institute of Engineering Research University of Zaragoza Zaragoza Spain
- BSICoSIIS Aragón Zaragoza Spain
| | - Hazel Santander‐Badules
- Biomedical Signal Interpretation and Computational Simulation group (BSICoS) Aragón Institute of Engineering Research University of Zaragoza Zaragoza Spain
| | - Sabarathinam Srinivasan
- Biomedical Signal Interpretation and Computational Simulation group (BSICoS) Aragón Institute of Engineering Research University of Zaragoza Zaragoza Spain
- BSICoSIIS Aragón Zaragoza Spain
| | - Juan Carlos Oliveros
- Bioinformatics for Genomics and Proteomics National Center of Biotechnology‐ Spanish National Research Council Madrid Spain
| | - Rafael Torres‐Pérez
- Bioinformatics for Genomics and Proteomics National Center of Biotechnology‐ Spanish National Research Council Madrid Spain
| | | | | | | | | | - Manuel Vázquez‐Sancho
- Department of Cardiovascular Surgery University Hospital Miguel Servet Zaragoza Spain
| | - Marta Matamala‐Adell
- Department of Cardiovascular Surgery University Hospital Miguel Servet Zaragoza Spain
| | | | | | | | | | | | - Manuel Jiménez‐Navarro
- Heart Area Hospital Clínico Universitario Virgen de la Victoria, CIBERCV IBIMA, Universidad de Málaga, UMA Málaga Spain
| | - José Manuel Villaescusa
- UGC Heart Area Cardiovascular Surgery Department Hospital Universitario Virgen de la Victoria de Málaga Fundación Pública Andaluza para la Investigación de Málaga en Biomedicina y Salud (FIMABIS) CIBERCV Enfermedades Cardiovasculares Instituto de Salud Carlos III University of Málaga Madrid Spain
| | - Elisa Garrido‐Huéscar
- Biomedical Signal Interpretation and Computational Simulation group (BSICoS) Aragón Institute of Engineering Research University of Zaragoza Zaragoza Spain
- BSICoSIIS Aragón Zaragoza Spain
| | - Margarita Segovia‐Roldán
- Biomedical Signal Interpretation and Computational Simulation group (BSICoS) Aragón Institute of Engineering Research University of Zaragoza Zaragoza Spain
- BSICoSIIS Aragón Zaragoza Spain
| | - Aida Oliván‐Viguera
- Biomedical Signal Interpretation and Computational Simulation group (BSICoS) Aragón Institute of Engineering Research University of Zaragoza Zaragoza Spain
- BSICoSIIS Aragón Zaragoza Spain
| | | | - Gorka Muñiz
- Department of Pathology San Jorge Hospital Huesca Spain
| | - Emiliano Diez
- Institute of Experimental Medicine and Biology of Cuyo (IMBECU) CONICET Mendoza Argentina
| | - Laura Ordovás
- Biomedical Signal Interpretation and Computational Simulation group (BSICoS) Aragón Institute of Engineering Research University of Zaragoza Zaragoza Spain
- BSICoSIIS Aragón Zaragoza Spain
- ARAID Foundation Zaragoza Spain
| | - Esther Pueyo
- Biomedical Signal Interpretation and Computational Simulation group (BSICoS) Aragón Institute of Engineering Research University of Zaragoza Zaragoza Spain
- BSICoSIIS Aragón Zaragoza Spain
- Biomedical Research Networking Center in Bioengineering Biomaterials and Nanomedicine (CIBER‐BBN) Zaragoza Spain
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10
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Millán-Lou MI, López C, Bueno J, Pérez-Laguna V, Lapresta C, Fuertes ME, Rite S, Santiago M, Romo M, Samper S, Cebollada A, Oteo-Iglesias J, Rezusta A. Successful control of Serratia marcescens outbreak in a neonatal unit of a tertiary-care hospital in Spain. Enferm Infecc Microbiol Clin 2021; 40:S0213-005X(21)00186-5. [PMID: 34144851 DOI: 10.1016/j.eimc.2021.05.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 05/02/2021] [Accepted: 05/06/2021] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Serratia marcescens is a Gram-negative bacterium that is found in hospital environments and commonly associated with outbreaks in neonatal units. One S. marcescens isolate was detected from a bloodstream culture from a neonate in our hospital that was followed by an outbreak. The aim of this study was to describe the molecular epidemiology of a S. marcescens outbreak in the neonatal unit. METHODS In order to investigate the outbreak, weekly surveillance rectal swabs were submitted for culture from all patients admitted in this unit from August to September 2018. Environmental samples were obtained from potential sources in September 2018. Typing of isolates was performed by pulsed field gel electrophoresis (PFGE). In addition, we studied the in vitro activity of chlorhexidine against S. marcescens. RESULTS During this period, 146 infants were hospitalised in our neonatal unit, of which 16 patients had a S. marcescens-positive sample. A total of 36 environmental surveillance samples were collected, and one sample from a stethoscope from an incubator of a colonized baby was positive for S. marcescens. All the 18 isolates, including the isolate from the stethoscope, belonged to a single PFGE cluster. We found that very low concentrations of chlorhexidine, even with application times close to 0 achieved significant reductions in the amount of S. marcescens. CONCLUSION A unique clone of S. marcescens caused this outbreak, including isolates from patients and from one stethoscope. The outbreak was controlled with the early implementation of specific control measures.
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Affiliation(s)
- María Isabel Millán-Lou
- Servicio de Microbiología, Hospital Universitario Miguel-Servet, Zaragoza, Spain; Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, Spain.
| | - Concepción López
- Servicio de Microbiología, Hospital Universitario Miguel-Servet, Zaragoza, Spain
| | - Jessica Bueno
- Servicio de Microbiología, Hospital Universitario Miguel-Servet, Zaragoza, Spain; Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, Spain
| | - Vanesa Pérez-Laguna
- Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, Spain.
| | - Carlos Lapresta
- Servicio de Medicina Preventiva, Hospital Universitario Miguel-Servet, Zaragoza, Spain
| | - María Elena Fuertes
- Unidad de neonatología, Hospital Universitario Miguel-Servet, Zaragoza, Spain
| | - Segundo Rite
- Unidad de neonatología, Hospital Universitario Miguel-Servet, Zaragoza, Spain
| | - Mónica Santiago
- Servicio de Microbiología, Hospital Universitario Miguel-Servet, Zaragoza, Spain
| | - María Romo
- Servicio de Microbiología, Hospital Universitario Miguel-Servet, Zaragoza, Spain
| | - Sofia Samper
- Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, Spain
| | - Alberto Cebollada
- CIBERES, ISCIII, Madrid, Spain; Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, Zaragoza, Spain; Unidad de Biocomputación, Instituto Aragonés de Ciencias de la Salud (IACS/IIS Aragón), Zaragoza, Spain
| | - Jesús Oteo-Iglesias
- Laboratorio de Referencia e Investigación en Resistencia a Antibióticos, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Madrid, Spain
| | - Antonio Rezusta
- Servicio de Microbiología, Hospital Universitario Miguel-Servet, Zaragoza, Spain; Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, Spain; Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, Zaragoza, Spain
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11
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Comín J, Cebollada A, Ibarz D, Viñuelas J, Vitoria MA, Iglesias MJ, Samper S. A whole-genome sequencing study of an X-family tuberculosis outbreak focus on transmission chain along 25 years. Tuberculosis (Edinb) 2020; 126:102022. [PMID: 33341027 DOI: 10.1016/j.tube.2020.102022] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 11/13/2020] [Accepted: 11/15/2020] [Indexed: 01/31/2023]
Abstract
Lineage 4/X-family of Mycobacterium tuberculosis is not very notorious, except for the CDC1551 strain. One strain of this family, named Ara50, caused one of the largest tuberculosis outbreaks of the Aragon region, Spain, during the 1990s and remained until 2018. These X-strains are characterised by high transmissibility and by carrying a low copy number of IS6110 in their genomes. Epidemiological data of the 61 patients consisted of inmates, HIV seropositives, intravenous drug users and the homeless. The application of whole-genome sequencing (WGS) to 36 out of 61 isolates, selected by IS6110-RFLP, allowed to confirm 32 as recent transmissions. We found 10 SNPs in genes considered as virulence factors, five of them specific of this strain. WGS identified three sub-clusters (CLSs). The largest one, sub-CLS 1, included 10 cases. Seven of them shared a SNP in the mce3C gene, considered a virulence factor gene. Sub-CLS 2 involved familiar cases, and no link was known for sub-CLS 3. Finally, the strain showed efficacy in latency as a confirmed epidemiological link was established between two cases, with 6 years of distance in their diagnosis. This outbreak study combined epidemiological and molecular analyses in order to elucidate tuberculosis transmission.
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Affiliation(s)
- Jessica Comín
- Instituto Aragonés de Ciencias de la Salud, Zaragoza, C/de San Juan Bosco, 13, 50009, Zaragoza, Spain.
| | - Alberto Cebollada
- Instituto Aragonés de Ciencias de la Salud, Zaragoza, C/de San Juan Bosco, 13, 50009, Zaragoza, Spain.
| | - Daniel Ibarz
- Universidad de Zaragoza, C/Domingo Miral S/N, 50009, Zaragoza, Spain.
| | - Jesús Viñuelas
- Hospital Universitario Miguel Servet, Paseo Isabel la Católica, 1-3, 50009, Zaragoza, Spain; Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica, C/Agustín de Bentacourt, No 13, 28003, Madrid, Spain; Fundación IIS Aragón, C/de San Juan Bosco, 13, 50009, Zaragoza, Spain.
| | - María Asunción Vitoria
- Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica, C/Agustín de Bentacourt, No 13, 28003, Madrid, Spain; Hospital Clínico Universitario Lozano Blesa, Avda. San Juan Bosco, 15, 50009, Zaragoza, Spain.
| | - María José Iglesias
- Universidad de Zaragoza, C/Domingo Miral S/N, 50009, Zaragoza, Spain; Fundación IIS Aragón, C/de San Juan Bosco, 13, 50009, Zaragoza, Spain; CIBER de Enfermedades Respiratorias, Av. Monforte de Lemos, 3-5. Pabellón 11, Planta 0, 28029, Madrid, Spain.
| | - Sofía Samper
- Instituto Aragonés de Ciencias de la Salud, Zaragoza, C/de San Juan Bosco, 13, 50009, Zaragoza, Spain; Fundación IIS Aragón, C/de San Juan Bosco, 13, 50009, Zaragoza, Spain; CIBER de Enfermedades Respiratorias, Av. Monforte de Lemos, 3-5. Pabellón 11, Planta 0, 28029, Madrid, Spain.
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12
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Comin J, Chaure A, Cebollada A, Ibarz D, Viñuelas J, Vitoria MA, Iglesias MJ, Samper S. Investigation of a rapidly spreading tuberculosis outbreak using whole-genome sequencing. Infect Genet Evol 2020; 81:104184. [PMID: 31931260 DOI: 10.1016/j.meegid.2020.104184] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 12/17/2019] [Accepted: 01/06/2020] [Indexed: 12/01/2022]
Abstract
This paper describes the application of whole-genome sequencing (WGS) to investigate an outbreak of Mycobacterium tuberculosis occurring in Aragon, Spain, where strains have been submitted to genotyping since 2004. The responsible outbreak strain appeared in our region first in 2014 and it spread to 14 patients in the following three years. WGS found low variability between the isolates with none of the SNPs differences detected more than once, all of which were attributed to a recent transmission. Although two ambiguous bases linked two cases with those who presented the SNP in the same position, the establishment of a definitive transmission route was not possible. The epidemiological data supported the existence of a super-spreader, probably responsible for the majority of the cases involved since there was a two-year delay in diagnoses among cases. This fact would also help explaining the low variability found. The index case was not identified, possibly because it was not diagnosed in Aragon. In addition WGS characterised the strain as a Linage 4.3.3/LAM family and corroborated the susceptibility to anti-tuberculosis drugs observed by the clinical laboratories. This work shows the need to have epidemiological data to support the genomic data in order to clarify the evolution of tuberculosis outbreaks.
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Affiliation(s)
- Jessica Comin
- Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain
| | | | | | | | - Jesús Viñuelas
- Hospital Universitario Miguel Servet, Zaragoza, Spain; Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica, Madrid, Spain
| | - María Asunción Vitoria
- Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain; Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica, Madrid, Spain
| | - María José Iglesias
- Universidad de Zaragoza, Zaragoza, Spain; CIBER de enfermedades respiratorias, Madrid, Spain; Fundación IIS Aragón, Zaragoza, Spain
| | - Sofía Samper
- Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain; CIBER de enfermedades respiratorias, Madrid, Spain; Fundación IIS Aragón, Zaragoza, Spain.
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13
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Gonzalo-Asensio J, Pérez I, Aguiló N, Uranga S, Picó A, Lampreave C, Cebollada A, Otal I, Samper S, Martín C. New insights into the transposition mechanisms of IS6110 and its dynamic distribution between Mycobacterium tuberculosis Complex lineages. PLoS Genet 2018; 14:e1007282. [PMID: 29649213 PMCID: PMC5896891 DOI: 10.1371/journal.pgen.1007282] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 02/28/2018] [Indexed: 11/19/2022] Open
Abstract
The insertion Sequence IS6110, only present in the pathogens of the Mycobacterium tuberculosis Complex (MTBC), has been the gold-standard epidemiological marker for TB for more than 25 years, but biological implications of IS6110 transposition during MTBC adaptation to humans remain elusive. By studying 2,236 clinical isolates typed by IS6110-RFLP and covering the MTBC, we remarked a lineage-specific content of IS6110 being higher in modern globally distributed strains. Once observed the IS6110 distribution in the MTBC, we selected representative isolates and found a correlation between the normalized expression of IS6110 and its abundance in MTBC chromosomes. We also studied the molecular regulation of IS6110 transposition and we found a synergistic action of two post-transcriptional mechanisms: a -1 ribosomal frameshift and a RNA pseudoknot which interferes translation. The construction of a transcriptionally active transposase resulted in 20-fold increase of the transposition frequency. Finally, we examined transposition in M. bovis and M. tuberculosis during laboratory starvation and in a mouse infection model of TB. Our results shown a higher transposition in M. tuberculosis, that preferably happens during TB infection in mice and after one year of laboratory culture, suggesting that IS6110 transposition is dynamically adapted to the host and to adverse growth conditions. Since the pioneering discovery of transposition by Barbara McClintock in eukaryotes and later in prokaryotes by Robert W. Hedges and Alan E. Jacob, it has become clear the key role of mobile genetics elements in chromosome remodelling, microbial evolution and host adaptation. The insertion sequence IS6110 is widely recognized for its utility in TB diagnosis and epidemiology because it is only present in the M. tuberculosis Complex (MTBC) and its transposition provides an excellent chromosomal polymorphic variability allowing the study of recent TB transmission. This inherent feature of IS6110 leads us to hypothesize that IS6110 plays a crucial role during the TB infectious cycle. However, the biological significance of IS6110 has been hindered by its almost exclusive use as an epidemiological marker. Here, we study the regulatory mechanisms and the distribution of IS6110 in the different MTBC lineages. We discuss the potential biological implications of IS6110, that is much more than an excellent TB epidemiological tool. Since IS6110 could play an important role in the adaptation of MTBC to the host, this study opens new avenues to decipher the biological roles of IS6110 in TB pathogenesis.
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Affiliation(s)
- Jesús Gonzalo-Asensio
- Grupo de Genética de Micobacterias, Departamento de Microbiología y Medicina Preventiva. Facultad de Medicina, Universidad de Zaragoza, IIS Aragón, Zaragoza, Spain
- CIBER Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
- Instituto de Biocomputación y Física de Sistemas Complejos (BIFI), Zaragoza, Spain
- * E-mail: (JGA); (CM)
| | - Irene Pérez
- Grupo de Genética de Micobacterias, Departamento de Microbiología y Medicina Preventiva. Facultad de Medicina, Universidad de Zaragoza, IIS Aragón, Zaragoza, Spain
- CIBER Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Nacho Aguiló
- Grupo de Genética de Micobacterias, Departamento de Microbiología y Medicina Preventiva. Facultad de Medicina, Universidad de Zaragoza, IIS Aragón, Zaragoza, Spain
- CIBER Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Santiago Uranga
- Grupo de Genética de Micobacterias, Departamento de Microbiología y Medicina Preventiva. Facultad de Medicina, Universidad de Zaragoza, IIS Aragón, Zaragoza, Spain
- CIBER Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Ana Picó
- Grupo de Genética de Micobacterias, Departamento de Microbiología y Medicina Preventiva. Facultad de Medicina, Universidad de Zaragoza, IIS Aragón, Zaragoza, Spain
- CIBER Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Carlos Lampreave
- Grupo de Genética de Micobacterias, Departamento de Microbiología y Medicina Preventiva. Facultad de Medicina, Universidad de Zaragoza, IIS Aragón, Zaragoza, Spain
- CIBER Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Alberto Cebollada
- Grupo de Genética de Micobacterias, Departamento de Microbiología y Medicina Preventiva. Facultad de Medicina, Universidad de Zaragoza, IIS Aragón, Zaragoza, Spain
- CIBER Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Isabel Otal
- Grupo de Genética de Micobacterias, Departamento de Microbiología y Medicina Preventiva. Facultad de Medicina, Universidad de Zaragoza, IIS Aragón, Zaragoza, Spain
- CIBER Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Sofía Samper
- Grupo de Genética de Micobacterias, Departamento de Microbiología y Medicina Preventiva. Facultad de Medicina, Universidad de Zaragoza, IIS Aragón, Zaragoza, Spain
- CIBER Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
- Unidad de Investigación Translacional, Hospital Universitario Miguel Servet, Instituto de Investigación Sanitaria Aragón. Zaragoza, Spain
| | - Carlos Martín
- Grupo de Genética de Micobacterias, Departamento de Microbiología y Medicina Preventiva. Facultad de Medicina, Universidad de Zaragoza, IIS Aragón, Zaragoza, Spain
- CIBER Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
- Servicio de Microbiología, Hospital Universitario Miguel Servet, Zaragoza, Spain
- * E-mail: (JGA); (CM)
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Kekesi R, Martín-Becerra D, Meneses-Rodríguez D, García-Pérez F, Cebollada A, Armelles G. Enhanced nonreciprocal effects in magnetoplasmonic systems supporting simultaneously localized and propagating plasmons. Opt Express 2015; 23:8128-8133. [PMID: 25837150 DOI: 10.1364/oe.23.008128] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Perforated magnetoplasmonic Au/Co/Au multilayers support both localized and propagating surface plasmon resonances. The presence of holes produces an enhancement of the magnetic field modulation of the propagating surface plasmon wavevector with respect to the isostructural continuous film in the spectral region corresponding to the hole associated localized plasmon resonance. This is due to the increased electromagnetic field in the surrounding area of the resonant hole, and the subsequent additional contribution to the magnetic modulation of the continuous film. This novel concept that gives rise to enhanced magnetic field induced nonreciprocal effects can be of interest in the development of innovative platforms for sensing applications, optical isolators and modulators.
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15
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Armelles G, Cebollada A, García-Martín A, González MU, García F, Meneses-Rodríguez D, de Sousa N, Froufe-Pérez LS. Mimicking electromagnetically induced transparency in the magneto-optical activity of magnetoplasmonic nanoresonators. Opt Express 2013; 21:27356-70. [PMID: 24216958 DOI: 10.1364/oe.21.027356] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
We show that the interaction between a plasmonic and a magnetoplasmonic metallic nanodisk leads to the appearance of magneto-optical activity in the purely plasmonic disk induced by the magnetoplasmonic one. Moreover, at specific wavelengths the interaction cancels the net electromagnetic field at the magnetoplasmonic component, strongly reducing the magneto-optical activity of the whole system. The MO activity has a characteristic Fano spectral shape, and the resulting MO inhibition constitutes the magneto-optical counterpart of the electromagnetic induced transparency.
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Ferreiro-Vila E, García-Martín JM, Cebollada A, Armelles G, González MU. Magnetic modulation of surface plasmon modes in magnetoplasmonic metal-insulator-metal cavities. Opt Express 2013; 21:4917-30. [PMID: 23482025 DOI: 10.1364/oe.21.004917] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
The magnetic modulation of the surface plasmon-polariton (SPP) wavevector is experimentally and theoretically studied for the plasmonic modes excited in metal-insulator-metal (MIM) magnetoplasmonic cavities. For this purpose, Ag/SiO₂/Ag multilayers with different SiO₂ layer thickness in which a thin Co layer is positioned near the top Ag/SiO₂ interface, near the bottom SiO₂/Ag one, or near both of them, are studied. The magnetoplasmonic MIM cavities present symmetric (SM) and antisymmetric (AM) plasmonic modes, of different wavevector and electromagnetic field profiles inside the MIM cavity. We show that the magnetic SPP wavevector modulation strongly depends on which mode is considered, the cavity thickness, and the number and specific location of Co layers within the structure. With only one ferromagnetic layer, a net modulation is obtained, of higher magnitude as we reduce the SiO₂ layer thickness. The introduction of a second Co layer in the structure reduces the modulation due to the non-reciprocal character of SPP modes under an applied magnetic field. Moreover, we demonstrate that the non-reciprocal nature of the SPP modulation can be experimentally visualized in the magnetic hysteresis loops under plasmon excitation conditions by using two Co layers with different magnetization switching fields.
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Affiliation(s)
- E Ferreiro-Vila
- IMM-Instituto de Microelectrónica de Madrid (CNM-CSIC), Isaac Newton 8, PTM, E-28760 Tres Cantos, Madrid, Spain.
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17
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Armelles G, Cebollada A, García-Martín A, Montero-Moreno JM, Waleczek M, Nielsch K. Magneto-optical properties of core-shell magneto-plasmonic Au-Co(x)Fe(3 - x)O4 nanowires. Langmuir 2012; 28:9127-9130. [PMID: 22667989 DOI: 10.1021/la300431a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The magneto-optical properties of Au-Co(x)Fe(3 - x)O(4) core-shell nanowires embedded in porous alumina membranes are studied. The structures were obtained by depositing Co(x)Fe(3 - x)O(4) on the pore walls of alumina membranes by atomic layer deposition and filling the resulting nanotube with gold by electrodeposition. The effect of plasmon resonance excitation on the magneto-optical activity is clearly observed as a modification of the spectral line shape of the Kerr rotation signal.
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Affiliation(s)
- G Armelles
- IMM-Instituto de Microelectrónica de Madrid (CNM-CSIC), Isaac Newton 8, PTM, E-28760 Tres Cantos, Madrid, Spain.
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18
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Ritacco V, Iglesias MJ, Ferrazoli L, Monteserin J, Dalla Costa ER, Cebollada A, Morcillo N, Robledo J, de Waard JH, Araya P, Aristimuño L, Díaz R, Gavin P, Imperiale B, Simonsen V, Zapata EM, Jiménez MS, Rossetti ML, Martin C, Barrera L, Samper S. Conspicuous multidrug-resistant Mycobacterium tuberculosis cluster strains do not trespass country borders in Latin America and Spain. Infect Genet Evol 2011; 12:711-7. [PMID: 21718805 DOI: 10.1016/j.meegid.2011.06.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2011] [Revised: 05/20/2011] [Accepted: 06/10/2011] [Indexed: 10/18/2022]
Abstract
Multidrug-resistant Mycobacterium tuberculosis strain diversity in Ibero-America was examined by comparing extant genotype collections in national or state tuberculosis networks. To this end, genotypes from over 1000 patients with multidrug-resistant tuberculosis diagnosed from 2004 through 2008 in Argentina, Brazil, Chile, Colombia, Venezuela and Spain were compared in a database constructed ad hoc. Most of the 116 clusters identified by IS6110 restriction fragment length polymorphism were small and restricted to individual countries. The three largest clusters, of 116, 49 and 25 patients, were found in Argentina and corresponded to previously documented locally-epidemic strains. Only 13 small clusters involved more than one country, altogether accounting for 41 patients, of whom 13 were, in turn, immigrants from Latin American countries different from those participating in the study (Peru, Ecuador and Bolivia). Most of these international clusters belonged either to the emerging RD(Rio) LAM lineage or to the Haarlem family of M. tuberculosis and four were further split by country when analyzed with spoligotyping and rifampin resistance-conferring mutations, suggesting that they did not represent ongoing transnational transmission events. The Beijing genotype accounted for 1.3% and 10.2% of patients with multidrug-resistant tuberculosis in Latin America and Spain, respectively, including one international cluster of two cases. In brief, Euro-American genotypes were widely predominant among multidrug-resistant M. tuberculosis strains in Ibero-America, reflecting closely their predominance in the general M. tuberculosis population in the region, and no evidence was found of acknowledged outbreak strains trespassing country borders.
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Affiliation(s)
- Viviana Ritacco
- Instituto Nacional de Enfermedades Infecciosas ANLIS Carlos Malbrán, Vélez Sarsfield 563, 1281 Buenos Aires, Argentina.
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Manera MG, Montagna G, Ferreiro-Vila E, González-García L, Sánchez-Valencia JR, González-Elipe AR, Cebollada A, Garcia-Martin JM, Garcia-Martin A, Armelles G, Rella R. Enhanced gas sensing performance of TiO2 functionalized magneto-optical SPR sensors. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm11937k] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Armelles G, Cebollada A, García-Martín A, García-Martín JM, González MU, González-Díaz JB, Ferreiro-Vila E, Torrado JF. Magnetoplasmonic nanostructures: systems supporting both plasmonic and magnetic properties. ACTA ACUST UNITED AC 2009. [DOI: 10.1088/1464-4258/11/11/114023] [Citation(s) in RCA: 115] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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21
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Chinchilla A, Vega M, Cebollada A, Alvarez T, Gómez M, Pando F, Erausquin C, de Velasco RM, De La Vega D. Comorbidity in Schizophrenia. Eur Psychiatry 2009. [DOI: 10.1016/s0924-9338(09)71446-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
Introduction:The coexistence of comorbidity in schizophrenia (somatic, dual pathology, personality…) can conditionate evolution and prognosis in this severe mental illness, those aspects should be taken in account to planify treatments and follow up issues.Objective:We are interested in this work in evaluate previous and developed comorbidity in schizophrenic patients; we also analyzed comorbidity consequences in clinical, therapeutical management, treatment adherence, relapses and hospitalizations.Material and method:In 50 Schizophrenic patients (DSM-IV TR Diagnostic criteria) with at least one previous psychotic episode we have studied longitudinal and transversally sociodemographic, clinical and therapeutical variables, related comorbidity (somatic, drugs related and dual pathology) and evolution, prognosis, clinical, treatment adherence and tolerance variables were also studied. We also evaluate psychopathologic and medical status (EEG, EKG, Chest RX, BMI, body weight, general analysis) secondary effects were registered. Uxue and CGI were the scales used.Results:Between 20% and 25% had other medical conditions, and 25-30% had some kind of drug abuse, those were who had worse prognosis, more secondary effects and usually were treated with classic antipsychotics.Conclusions:The results are discussed, and we propose integrative treatments for schizophrenia and the co morbidities, focusing on affectivity and tolerance.
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Sinues B, Fanlo A, Mayayo E, Carcas C, Vicente J, Arenaz I, Cebollada A. CYP2A6 activity in a healthy Spanish population: effect of age, sex, smoking, and oral contraceptives. Hum Exp Toxicol 2008; 27:367-72. [PMID: 18715882 DOI: 10.1177/0960327107082224] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This study was performed to assess the influence of age, sex, smoking, and contraceptive use on CYP2A6 activity. In the metabolism of caffeine, the conversion of 1,7 dimethylxanthine (17X) to 1,7 dimethiylurate (17U) is catalyzed primarily by CYP2A6. CYP2A6 phenotype was determined by the urinary ratio 17U:17X in the interval of 4-5 h after caffeine intake in 179 healthy white Spaniards (102 women and 76 men). There were 99 non-smokers and 80 smokers. Among women, 26 were taking oral contraceptives. The age was the most important predictive factor of CYP2A6 activity (P < 0.001) with older subjects having higher activity. The influence of the gender was more modest (P = 0.07) with women exhibiting borderline increased values of the CYP2A6 marker than men. Tobacco smoking did not affect CYP2A6 activity. However, the CYP2A6 marker resulted to be strongly related to the use of oral contraceptives. The women users of oral contraceptives had higher values of CYP2A6 marker than both women not taking oral contraceptives and men (P < 0.001 in both comparisons). The results indicate that age, oral contraceptive use, and possibly gender should be controlled in epidemiological studies dealing with CYP2A6 activity and its relationship with xenobiotics exposure and genetic or pathological factor.
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Affiliation(s)
- B Sinues
- Department of Pharmacology, Medicine School, University of Zaragoza, Zaragoza, Spain.
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Montes JM, Sáiz J, de Dios C, Ezquiaga E, García A, Argudo I, Carrillo A, Cebollada A, Ramos J, Valle J. [Profile of bipolar disorder outpatients: a cross-sectional study in the Madrid Community]. Actas Esp Psiquiatr 2008; 36:277-284. [PMID: 18568453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
INTRODUCTION The purpose of this cross-sectional study is to obtain a sociodemographic, clinical, psychosocial functioning and therapeutic profile of bipolar outpatients in the Madrid Community. METHODS A total of 115 outpatients were consecutively recruited by 10 psychiatrists. RESULTS Mean time between initial symptoms and an accurate bipolar diagnosis was of 7.6 years. A depressive episode was the onset of the illness in most patients independently of clinical subtype. Syndromal or subsyndromal symptoms were present in 47% of the patient population, dominating the depressive polarity (33.1%). A subjectively reduced perception of quality of life was associated to the presence of depressive symptoms and a worse clinical outcome last year. More than half of the patients (58.2%) were overweight or obese. Lithium was the most frequently used mood stabilizer (71.3%), whereas 41% of the patients were taking at least three psychotropic drugs. CONCLUSIONS Results of this study widely confirm previous data on bipolar disorder. Reduction in quality of life of bipolar patients associated to depressive symptoms must be highlighted. It is necessary to optimize treatments in bipolar disorder in order to improve prognosis.
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Affiliation(s)
- J M Montes
- Hospital Ramón y Cajal, Universidad de Alcalá de Henares, Madrid.
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Aristimuño L, España M, Guilarte A, Ramírez C, Rojas J, Gavín P, López-Calleja AI, Lezcano MA, Revillo MJ, Cebollada A, Martín C, Samper S. Multidrug-resistant Mycobacterium tuberculosis Beijing/W genotype in Venezuela. J Med Microbiol 2008; 56:1707-1708. [PMID: 18033847 DOI: 10.1099/jmm.0.47310-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Liselotte Aristimuño
- Grupo de Genética de Micobacterias, Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, Spain.,Escuela de Medicina, Universidad Centroccidental Lisandro Alvarado, Venezuela
| | - Mercedes España
- Programa Nacional Integrado de Control de la Tuberculosis and Laboratorio Nacional de Referencia de Bacteriología de la Tuberculosis, Ministerio de Salud, Venezuela
| | - Alexis Guilarte
- Programa Nacional Integrado de Control de la Tuberculosis and Laboratorio Nacional de Referencia de Bacteriología de la Tuberculosis, Ministerio de Salud, Venezuela
| | - Carmen Ramírez
- Programa Nacional Integrado de Control de la Tuberculosis and Laboratorio Nacional de Referencia de Bacteriología de la Tuberculosis, Ministerio de Salud, Venezuela
| | - Janet Rojas
- Programa Nacional Integrado de Control de la Tuberculosis and Laboratorio Nacional de Referencia de Bacteriología de la Tuberculosis, Ministerio de Salud, Venezuela
| | - Patricia Gavín
- Servicio de Microbiología Hospital Universitario Miguel Servet, Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain.,Grupo de Genética de Micobacterias, Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, Spain
| | - Ana I López-Calleja
- Servicio de Microbiología Hospital Universitario Miguel Servet, Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain.,Grupo de Genética de Micobacterias, Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, Spain
| | - M Antonia Lezcano
- Servicio de Microbiología Hospital Universitario Miguel Servet, Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain.,Grupo de Genética de Micobacterias, Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, Spain
| | - M José Revillo
- Servicio de Microbiología Hospital Universitario Miguel Servet, Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain.,Grupo de Genética de Micobacterias, Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, Spain
| | - Alberto Cebollada
- Grupo de Genética de Micobacterias, Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, Spain
| | - Carlos Martín
- Grupo de Genética de Micobacterias, Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, Spain
| | - Sofía Samper
- Servicio de Microbiología Hospital Universitario Miguel Servet, Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain.,Grupo de Genética de Micobacterias, Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, Spain
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López-Calleja AI, Lezcano MA, Vitoria MA, Iglesias MJ, Cebollada A, Lafoz C, Gavin P, Aristimuño L, Revillo MJ, Martin C, Samper S. Genotyping of Mycobacterium tuberculosis over two periods: a changing scenario for tuberculosis transmission. Int J Tuberc Lung Dis 2007; 11:1080-1086. [PMID: 17945064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2023] Open
Abstract
OBJECTIVE To evaluate changes in the molecular epidemiology of tuberculosis (TB) in Zaragoza, Spain, over a decade that has seen large social and health changes, including the attenuation of the human immunodeficiency virus (HIV) epidemic and increased immigration. DESIGN A population-based molecular study was conducted using standard restriction fragment length polymorphism IS6110 typing that included all patients with bacteriologically confirmed TB living in the Zaragoza area from 2001 to 2004. The current situation was compared with that described in a previous study from 1993 to 1995. RESULTS A total of 454 Mycobacterium tuberculosis isolates were genotyped; 239 (52.6%) were grouped in 45 clusters composed of 2 to 85 isolates. Independent risk factors for clustering were identified. The main differences with the previous study were the increase of TB cases among immigrants, a decrease in HIV-TB co-infected patients and the occurrence of a large TB outbreak involving 85 patients (M. tuberculosis Zaragoza [MTZ] strain). CONCLUSION A change in the epidemiological pattern of TB has been observed in the last years. TB transmission is more common among the Spanish-born population, while foreign birth is significantly less associated with clustering. A single epidemic strain caused 18.7% of all TB cases.
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Affiliation(s)
- A I López-Calleja
- Servicio de Microbiología, Hospital Universitario Miguel Servet, Zaragoza, Spain.
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Aristimuño L, Armengol R, Cebollada A, España M, Guilarte A, Lafoz C, Lezcano MA, Revillo MJ, Martín C, Ramírez C, Rastogi N, Rojas J, de Salas AV, Sola C, Samper S. Molecular characterisation of Mycobacterium tuberculosis isolates in the First National Survey of Anti-tuberculosis Drug Resistance from Venezuela. BMC Microbiol 2006; 6:90. [PMID: 17032442 PMCID: PMC1621067 DOI: 10.1186/1471-2180-6-90] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2006] [Accepted: 10/10/2006] [Indexed: 12/02/2022] Open
Abstract
Background Molecular typing of Mycobacterium tuberculosis strains has become a valuable tool in the epidemiology of tuberculosis (TB) by allowing detection of outbreaks, tracking of epidemics, identification of genotypes and transmission events among patients who would have remained undetected by conventional contact investigation. This is the first genetic biodiversity study of M. tuberculosis in Venezuela. Thus, we investigated the genetic patterns of strains isolated in the first survey of anti-tuberculosis drug-resistance realised as part of the Global Project of Anti-tuberculosis Drug Resistance Surveillance (WHO/IUATLD). Results Clinical isolates (670/873) were genotyped by spoligotyping. The results were compared with the international spoligotyping database (SpolDB4). Multidrug resistant (MDR) strains (14/18) were also analysed by IS6110-RFLP assays, and resistance to isoniazid and rifampicin was characterised. Spoligotyping grouped 82% (548/670) of the strains into 59 clusters. Twenty new spoligotypes (SITs) specific to Venezuela were identified. Eight new inter-regional clusters were created. The Beijing genotype was not found. The genetic network shows that the Latin American and Mediterranean family constitutes the backbone of the genetic TB population-structure in Venezuela, responsible of >60% of total TB cases studied. MDR was 0.5% in never treated patients and 13.5% in previously treated patients. Mutations in rpoB gene and katG genes were detected in 64% and 43% of the MDR strains, respectively. Two clusters were found to be identical by the four different analysis methods, presumably representing cases of recent transmission of MDR tuberculosis. Conclusion This study gives a first overview of the M. tuberculosis strains circulating in Venezuela during the first survey of anti-tuberculosis drug-resistance. It may aid in the creation of a national database that will be a valuable support for further studies.
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Affiliation(s)
- Liselotte Aristimuño
- Escuela de Medicina, Universidad Centroccidental Lisandro Alvarado, Venezuela
- Grupo de Genética de Micobacterias, Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, España
| | - Raimond Armengol
- Programa Nacional Integrado de Control de la Tuberculosis, MSDS, Venezuela
| | - Alberto Cebollada
- Grupo de Genética de Micobacterias, Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, España
| | - Mercedes España
- Programa Nacional Integrado de Control de la Tuberculosis, MSDS, Venezuela
| | - Alexis Guilarte
- Programa Nacional Integrado de Control de la Tuberculosis, MSDS, Venezuela
| | - Carmen Lafoz
- Grupo de Genética de Micobacterias, Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, España
| | - María A Lezcano
- Servicio de Microbiología, Hospital Universitario Miguel Servet, Zaragoza, España
| | - María J Revillo
- Servicio de Microbiología, Hospital Universitario Miguel Servet, Zaragoza, España
| | - Carlos Martín
- Grupo de Genética de Micobacterias, Departamento de Microbiología, Medicina Preventiva y Salud Pública, Universidad de Zaragoza, España
| | - Carmen Ramírez
- Programa Nacional Integrado de Control de la Tuberculosis, MSDS, Venezuela
| | - Nalin Rastogi
- Unité de la Tuberculose et des Mycobactéries, Institut Pasteur, Pointe-à-Pitre, Guadeloupe
| | - Janet Rojas
- Programa Nacional Integrado de Control de la Tuberculosis, MSDS, Venezuela
| | | | - Christophe Sola
- Unité de la Tuberculose et des Mycobactéries, Institut Pasteur, Pointe-à-Pitre, Guadeloupe
| | - Sofía Samper
- Servicio de Microbiología, Hospital Universitario Miguel Servet, Zaragoza, España
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Diaz-Sastre C, Perez-Rodriguez MM, Cebollada A, Ruiz JS, Baca-Garcia E, de Leon J. Cholesterol and lithium levels were correlated but serum HDL and total cholesterol levels were not associated with current mood state in bipolar patients. J Clin Psychiatry 2005; 66:399-400. [PMID: 15766315 DOI: 10.4088/jcp.v66n0318i] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Chinchilla A, Cebollada A, Vega M, Díaz M, Guzmán G, Montes JM. [Treatment of dysthymia with sertraline]. Actas Luso Esp Neurol Psiquiatr Cienc Afines 1997; 25:3-9. [PMID: 9133155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We studied 50 patients (40 females, 10 males) diagnosed of dysthymia according to 1CD-10 criteria (F34.1), retrospectively and prospectively. All were treated with Sertraline, with an initial dose of Sertraline 50-100 mg/day, allowing increases to a maximum of 200 mg/day during the follow up. The clinical and therapeutical evolution was measured by HDRS (Hamilton Depression Rating Scale) 21 items, HARS (Hamilton Anxiety Rating Scale), Clinical Global Impression (CGI), subjective patient impression, compliance, secondary effects, complementary treatments when needed, severity, evolution evaluated on days 15, 30, 60 and 90, from the patient and psychiatrist perspective. Seventy two percent of the sample completed the three months of treatment. We obtained a good clinical efficacy with sertraline observed by a statistical significant decrease (p < 0.01) in the scales in the second week of treatment, which continued in following weeks. The mean doses varted from 78 mg/day to 98.7 mg/day during the three months of follow up The tolerance to Sertraline in our sample was good and similar to other data in the literature. Fourteen patients withdrew, but only six (12%) were due to secondary effects In spite of the study's limitations due to the lack of a control group, we could affirm that sertraline was an effective treatment for dysthymic patients and it should be recommended as a first choice in the treatment of affective disorders, facilitating other psychotherapeutical approach due to its favourable tolerance profile.
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Affiliation(s)
- A Chinchilla
- Servicio de Psiquiatría, Hospital Ramón y Cajal, Madrid
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Cebollada A, Weller D, Sticht J, Harp GR, Farrow RF, Marks RF, Savoy R, Scott JC. Enhanced magneto-optical Kerr effect in spontaneously ordered FePt alloys: Quantitative agreement between theory and experiment. Phys Rev B Condens Matter 1994; 50:3419-3422. [PMID: 9976601 DOI: 10.1103/physrevb.50.3419] [Citation(s) in RCA: 87] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Veillet P, Chappert C, Farrow RF, Marks RF, Weller D, Cebollada A. Antiferromagnetic coupling in (111)-oriented Co/Pt superlattices. Phys Rev B Condens Matter 1994; 50:200-204. [PMID: 9974532 DOI: 10.1103/physrevb.50.200] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Parkin SS, Farrow RF, Marks RF, Cebollada A, Harp GR, Savoy RJ. Oscillations of interlayer exchange coupling and giant magnetoresistance in (111) oriented permalloy/Au multilayers. Phys Rev Lett 1994; 72:3718-3721. [PMID: 10056272 DOI: 10.1103/physrevlett.72.3718] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Weller D, Harp GR, Farrow RF, Cebollada A, Sticht J. Orientation dependence of the polar Kerr effect in fcc and hcp Co. Phys Rev Lett 1994; 72:2097-2100. [PMID: 10055787 DOI: 10.1103/physrevlett.72.2097] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Abstract
Ninety-six patients with bipolar disorder who attended a lithium clinic were reviewed in a retrospective study. Sleep disorders were studied in 85 depressive episodes. Eighty-one percent of the subjects presented with insomnia; the mixed type being the most frequent (49%) followed by early awakening (25%). The evolution of depression in the patients was compared according to the treatment received for insomnia: sedative antidepressants vs other anxiolytic or hypnotic drugs. Fifteen percent of patients shifted to mania, this group more frequently receiving sedative antidepressants (p < 0.05). Moreover, the patients who had received sedative antidepressants as therapy for insomnia (N = 61) showed a tendency to have a shorter asymptomatic interval before the following relapse (13 months vs 19 months; p = 0.06). In view of these results, we consider that the use of sedative antidepressants as a treatment for insomnia during depressive episodes in bipolar patients could be a factor contributing to worse prognoses; in these cases it appears that the use of other hypnotic drugs would be more advisable.
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Affiliation(s)
- J Saiz-Ruiz
- Department of Psychiatry, Hospital Ramón y Cajal, Madrid, Spain
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Chinchilla A, Lana F, Vega M, Cebollada A, Pelegrín C. [ICD-9 versus DSM-III in the psychoses: anamnestic and catamnestic implications]. Actas Luso Esp Neurol Psiquiatr Cienc Afines 1992; 20:112-9. [PMID: 1496909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
We pretend with our study to compare the DSM-III diagnostic criteria with ICD-9 diagnostic criteria for psychotic episodes and to look for the diagnostic stability for both classifications. We studied 79 first psychotic episodes following ICD-9 and retrospectively we applied the DSM-III diagnostic criteria to the same patients. The mean follow up time was 46.6 +/- 6.7 months. In the ICD-9 the schizophrenic psychoses represented the main diagnostic group, not only the day they were discharged from the hospital 31.6% but also in the follow up 39.2%. On the other hand in the DSM-III, in the discharge day the schizophreniform disorder was the more frequent diagnostic 24%, while in the follow up the schizophrenic disorder came to the first position 32.9%. In the ICD-9 there was a 15.1% of diagnostic changes and in the DSM-III nearly the double 30.3%. In both classifications the unspecified and the atypical suffered a great diagnostic mobility; in both nosologies the schizophrenia was the most unchangeable diagnosis, no patient discharged with this diagnosis changed to another in the follow up. ICD-9 could be said that has a great sensitivity and an acceptable specificity for this entities, and DSM-III would have a moderate sensitivity but a very diagnostic specificity for these disorders.
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Affiliation(s)
- A Chinchilla
- Servicio de Psiquiatría, Hospital Ramón y Cajal, Madrid
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Schneider CM, Hammond MS, Schuster P, Cebollada A, Miranda R, Kirschner J. Observation of magnetic circular dichroism in uv photoemission from ferromagnetic fcc cobalt films. Phys Rev B Condens Matter 1991; 44:12066-12069. [PMID: 9999354 DOI: 10.1103/physrevb.44.12066] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Chinchilla A, Viñas R, Moreno I, Sánchez P, Carrasco JL, Cebollada A, Vega M, Jordá L, Camarero M. [Personality and triggering life events in the affective psychoses]. Actas Luso Esp Neurol Psiquiatr Cienc Afines 1989; 17:237-44. [PMID: 2801266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
60 bipolar patients and 30 patients with recurrent major depression, both fulfilling DSM-III criteria, were studied in terms of sociodemographic profile, personal and family antecedents, clinical psychopathology, personality type and triggers of the first episodes. We found a greater frequency in the bipolar group of personality disorders of the hypomanic, cyclothymic and sociopathic types; the melancholic-anancastic being more associated with unipolar depression. The bipolar patients in our study had a higher socioeconomical and cultural level compared with the unipolar patients. More than 50% of the depressive episodes of each group had unfavourable life event triggers; 45% of the manic episodes also had previous unfavourable life events; 44% of the patients of this later group, exhibited a previous hypomanic, sociopathic or cyclothymic personality.
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Chinchilla A, López-Ibor JJ, Cebollada A, Carrasco JL, Vega M, Jordá L, Viñas R, Sánchez P, Moreno I, Camarero M. [Hysterical psychosis: clinical aspects and disease course]. Actas Luso Esp Neurol Psiquiatr Cienc Afines 1989; 17:231-6. [PMID: 2801265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
30 patients admitted to our psychiatric service with the initial diagnosis of psychogenic psychosis, dissociative psychosis or hysterical pseudo-psychosis are studied anamnestically and in their catamnesis (average follow up 5.1 years). The objective of the study was to see if these disorders are independent nosologic entities or are masking other ones, such as affective, schizophrenic or neurotic disorders. In this study we found a greater percentage of women (3/1) with a previous hysterical personality in more than 50%; many of the patients were hospitalised in order to clarify the diagnosis; in 70% we found psychogenic triggers; a greater predominance of an abrupt onset of the disorder (which would favour the concept of reaction); 60% had fluctuating symptoms (not so common in endogenous psychosis). In almost 100% there was a complete remission during the hospitalization period (average 22.7 days), which would bring them closer to the present concept of brief reactive psychosis. With a follow up of an average of five years, the diagnosis is maintained in 93.3% of the cases. The majority of the patients fulfilled the criteria for hysterical psychosis as defined by Hollender and Hirsch. We think that these disorders are well delimited, both clinically and nosologically, not having received up until now an exact placing in modern classification systems (DSM-III, ICD-10, etc.).
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Cebollada A, Martnez JL, Gallego JM, Miranda R, Ferrer S, Batallán F, Fillion G, Rebouillat JP. Antiferromagnetic ordering in Co-Cu single-crystal superlattices. Phys Rev B Condens Matter 1989; 39:9726-9729. [PMID: 9947739 DOI: 10.1103/physrevb.39.9726] [Citation(s) in RCA: 67] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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