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Augier C, Baulieu G, Belov V, Bergé L, Billard J, Bres G, Bret J.L, Broniatowski A, Calvo M, Cazes A, Chaize D, Chala M, Chapellier M, Chaplinsky L, Chemin G, Chen R, Colas J, Cudmore E, De Jesus M, de Marcillac P, Dumoulin L, Exshaw O, Ferriol S, Figueroa-Feliciano E, Filippini JB, Formaggio JA, Fuard S, Gascon J, Giuliani A, Goupy J, Goy C, Guerin C, Guy E, Harrington P, Hertel SA, Heusch M, Hong Z, Ianigro JC, Jin Y, Juillard A, Karaivanov D, Kazarcev S, Lamblin J, Lattaud H, Li M, Lubashevskiy A, Marnieros S, Martini N, Mayer DW, Minet J, Monfardini A, Mounier F, Novati V, Olivieri E, Oriol C, Mateo LO, Patel PK, Perbet E, Pinckney HD, Poda DV, Ponomarev D, Rarbi F, Real JS, Redon T, Reyes FC, Robert A, Rozov S, Rozova I, Scorza S, Schmidt B, Shevchik Y, Soldner T, Stachurska J, Stutz A, Vagneron L, Van De Pontseele W, Vezzu F, Winslow L, Yakushev E, Zinatulina D. First demonstration of 30 eVee ionization energy resolution with Ricochet germanium cryogenic bolometers. Eur Phys J C Part Fields 2024; 84:186. [PMID: 38410744 PMCID: PMC10894082 DOI: 10.1140/epjc/s10052-024-12433-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 01/11/2024] [Indexed: 02/28/2024]
Abstract
The future Ricochet experiment aims to search for new physics in the electroweak sector by measuring the Coherent Elastic Neutrino-Nucleus Scattering process from reactor antineutrinos with high precision down to the sub-100 eV nuclear recoil energy range. While the Ricochet collaboration is currently building the experimental setup at the reactor site, it is also finalizing the cryogenic detector arrays that will be integrated into the cryostat at the Institut Laue Langevin in early 2024. In this paper, we report on recent progress from the Ge cryogenic detector technology, called the CryoCube. More specifically, we present the first demonstration of a 30 eVee (electron equivalent) baseline ionization resolution (RMS) achieved with an early design of the detector assembly and its dedicated High Electron Mobility Transistor (HEMT) based front-end electronics with a total input capacitance of about 40 pF. This represents an order of magnitude improvement over the best ionization resolutions obtained on similar phonon-and-ionization germanium cryogenic detectors from the EDELWEISS and SuperCDMS dark matter experiments, and a factor of three improvement compared to the first fully-cryogenic HEMT-based preamplifier coupled to a CDMS-II germanium detector with a total input capacitance of 250 pF. Additionally, we discuss the implications of these results in the context of the future Ricochet experiment and its expected background mitigation performance.
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Fucho R, Solsona-Vilarrasa E, Torres S, Nuñez S, Insausti-Urkia N, Edo A, Calvo M, Bosch A, Martin G, Enrich C, García-Ruiz C, Fernandez-Checa JC. Zonal expression of StARD1 and oxidative stress in alcoholic-related liver disease. J Lipid Res 2023; 64:100413. [PMID: 37473919 PMCID: PMC10448177 DOI: 10.1016/j.jlr.2023.100413] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 06/26/2023] [Accepted: 07/10/2023] [Indexed: 07/22/2023] Open
Abstract
Alcoholic-related liver disease (ALD) is one of the leading causes of chronic liver disease and morbidity. Unfortunately, the pathogenesis of ALD is still incompletely understood. StARD1 has emerged as a key player in other etiologies of chronic liver disease, and alcohol-induced liver injury exhibits zonal distribution. Here, we report that StARD1 is predominantly expressed in perivenous (PV) zone of liver sections from mice-fed chronic and acute-on-chronic ALD models compared to periportal (PP) area and is observed as early as 10 days of alcohol feeding. Ethanol and chemical hypoxia induced the expression of StARD1 in isolated primary mouse hepatocytes. The zonal-dependent expression of StARD1 resulted in the accumulation of cholesterol in mitochondria and increased lipid peroxidation in PV hepatocytes compared to PP hepatocytes, effects that were abrogated in PV hepatocytes upon hepatocyte-specific Stard1 KO mice. Transmission electron microscopy indicated differential glycogen and lipid droplets content between PP and PV areas, and alcohol feeding decreased glycogen content in both areas while increased lipid droplets content preferentially in PV zone. Moreover, transmission electron microscopy revealed that mitochondria from PV zone exhibited reduced length with respect to PP area, and alcohol feeding increased mitochondrial number, particularly, in PV zone. Extracellular flux analysis indicated lower maximal respiration and spared respiratory capacity in control PV hepatocytes that were reversed upon alcohol feeding. These findings reveal a differential morphology and functional activity of mitochondria between PP and PV hepatocytes following alcohol feeding and that StARD1 may play a key role in the zonal-dependent liver injury characteristic of ALD.
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Affiliation(s)
- Raquel Fucho
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), CSIC, Barcelona, Spain; Liver Unit, Hospital Clinic I Provincial de Barcelona, Barcelona, Spain; Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), Barcelona, Spain; CIBEREHD, Madrid, Spain
| | - Estel Solsona-Vilarrasa
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), CSIC, Barcelona, Spain; Liver Unit, Hospital Clinic I Provincial de Barcelona, Barcelona, Spain; Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), Barcelona, Spain; CIBEREHD, Madrid, Spain
| | - Sandra Torres
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), CSIC, Barcelona, Spain; Liver Unit, Hospital Clinic I Provincial de Barcelona, Barcelona, Spain; Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), Barcelona, Spain; CIBEREHD, Madrid, Spain
| | - Susana Nuñez
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), CSIC, Barcelona, Spain; Liver Unit, Hospital Clinic I Provincial de Barcelona, Barcelona, Spain; Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), Barcelona, Spain; CIBEREHD, Madrid, Spain
| | - Naroa Insausti-Urkia
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), CSIC, Barcelona, Spain; Liver Unit, Hospital Clinic I Provincial de Barcelona, Barcelona, Spain; Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), Barcelona, Spain; CIBEREHD, Madrid, Spain
| | - Albert Edo
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), CSIC, Barcelona, Spain; Liver Unit, Hospital Clinic I Provincial de Barcelona, Barcelona, Spain; Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), Barcelona, Spain; CIBEREHD, Madrid, Spain
| | - Maria Calvo
- Advanced Optical Microscopy-Clinic Campus, Scientific and Technological Center, University of Barcelona, Barcelona, Spain
| | - Anna Bosch
- Advanced Optical Microscopy-Clinic Campus, Scientific and Technological Center, University of Barcelona, Barcelona, Spain
| | - Gemma Martin
- Advanced Optical Microscopy-Clinic Campus, Scientific and Technological Center, University of Barcelona, Barcelona, Spain
| | - Carlos Enrich
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Unit of Cell Biology, Departament of Biomedicine, Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain; Center of Biomedical Research CELLEX, Barcelona, Spain
| | - Carmen García-Ruiz
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), CSIC, Barcelona, Spain; Liver Unit, Hospital Clinic I Provincial de Barcelona, Barcelona, Spain; Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), Barcelona, Spain; CIBEREHD, Madrid, Spain.
| | - Jose C Fernandez-Checa
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB), CSIC, Barcelona, Spain; Liver Unit, Hospital Clinic I Provincial de Barcelona, Barcelona, Spain; Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), Barcelona, Spain; CIBEREHD, Madrid, Spain; Department of Medicine, Keck School of Division of Gastrointestinal and Liver Disease, University of Southern California, Los Angeles, CA, USA.
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3
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Martinez A, Hériché JK, Calvo M, Tischer C, Otxoa-de-Amezaga A, Pedragosa J, Bosch A, Planas AM, Petegnief V. Characterization of microglia behaviour in healthy and pathological conditions with image analysis tools. Open Biol 2023; 13:220200. [PMID: 36629019 PMCID: PMC9832574 DOI: 10.1098/rsob.220200] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [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] [Indexed: 01/12/2023] Open
Abstract
Microglia are very sensitive to changes in the environment and respond through morphological, functional and metabolic adaptations. To depict the modifications microglia undergo under healthy and pathological conditions, we developed free access image analysis scripts to quantify microglia morphologies and phagocytosis. Neuron-glia cultures, in which microglia express the reporter tdTomato, were exposed to excitotoxicity or excitotoxicity + inflammation and analysed 8 h later. Neuronal death was assessed by SYTOX staining of nucleus debris and phagocytosis was measured through the engulfment of SYTOX+ particles in microglia. We identified seven morphologies: round, hypertrophic, fried egg, bipolar and three 'inflamed' morphologies. We generated a classifier able to separate them and assign one of the seven classes to each microglia in sample images. In control cultures, round and hypertrophic morphologies were predominant. Excitotoxicity had a limited effect on the composition of the populations. By contrast, excitotoxicity + inflammation promoted an enrichment in inflamed morphologies and increased the percentage of phagocytosing microglia. Our data suggest that inflammation is critical to promote phenotypical changes in microglia. We also validated our tools for the segmentation of microglia in brain slices and performed morphometry with the obtained mask. Our method is versatile and useful to correlate microglia sub-populations and behaviour with environmental changes.
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Affiliation(s)
- Aleix Martinez
- Institute for Bioengineering of Catalonia, 08028 Barcelona, Spain
| | - Jean-Karim Hériché
- Cell Biology and Biophysics Unit, European Molecular Biology Laboratory, 69117 Heidelberg, Germany
| | - Maria Calvo
- Advanced Optical Microscopy Facility, Scientific and Technological Centers. School of Medicine, University of Barcelona, 08036 Barcelona, Spain
| | - Christian Tischer
- Centre for BioImage Analysis, European Molecular Biology Laboratory, 69117 Heidelberg, Germany
| | - Amaia Otxoa-de-Amezaga
- Achucarro Basque Center for Neuroscience and Department of Neuroscience, University of the Basque Country UPV/EHU, Achucarro, 48940 Leioa, Spain
| | - Jordi Pedragosa
- Department of Neuroscience and Experimental Therapeutics, Institute for Biomedical Research of Barcelona, Spanish Research Council, 08036 Barcelona, Spain,Institut d'Investigacions Biomèdiques Augustí Pi i Sunyer, 08036 Barcelona, Spain
| | - Anna Bosch
- Advanced Optical Microscopy Facility, Scientific and Technological Centers. School of Medicine, University of Barcelona, 08036 Barcelona, Spain
| | - Anna M. Planas
- Department of Neuroscience and Experimental Therapeutics, Institute for Biomedical Research of Barcelona, Spanish Research Council, 08036 Barcelona, Spain,Institut d'Investigacions Biomèdiques Augustí Pi i Sunyer, 08036 Barcelona, Spain
| | - Valérie Petegnief
- Department of Neuroscience and Experimental Therapeutics, Institute for Biomedical Research of Barcelona, Spanish Research Council, 08036 Barcelona, Spain,Institut d'Investigacions Biomèdiques Augustí Pi i Sunyer, 08036 Barcelona, Spain
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4
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Riba M, Campo-Sabariz J, Tena I, Molina-Porcel L, Ximelis T, Calvo M, Ferrer R, Martín-Venegas R, del Valle J, Vilaplana J, Pelegrí C. Wasteosomes (corpora amylacea) of human brain can be phagocytosed and digested by macrophages. Cell Biosci 2022; 12:177. [PMID: 36307854 PMCID: PMC9617366 DOI: 10.1186/s13578-022-00915-2] [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: 03/17/2022] [Accepted: 10/15/2022] [Indexed: 11/07/2022] Open
Abstract
Background Corpora amylacea of human brain, recently renamed as wasteosomes, are granular structures that appear during aging and also accumulate in specific areas of the brain in neurodegenerative conditions. Acting as waste containers, wasteosomes are formed by polyglucosan aggregates that entrap and isolate toxic and waste substances of different origins. They are expelled from the brain to the cerebrospinal fluid (CSF), and can be phagocytosed by macrophages. In the present study, we analyze the phagocytosis of wasteosomes and the mechanisms involved in this process. Accordingly, we purified wasteosomes from post-mortem extracted human CSF and incubated them with THP-1 macrophages. Immunofluorescence staining and time-lapse recording techniques were performed to evaluate the phagocytosis. We also immunostained human hippocampal sections to study possible interactions between wasteosomes and macrophages at central nervous system interfaces. Results We observed that the wasteosomes obtained from post-mortem extracted CSF are opsonized by MBL and the C3b complement protein. Moreover, we observed that CD206 and CD35 receptors may be involved in the phagocytosis of these wasteosomes by THP-1 macrophages. Once phagocytosed, wasteosomes become degraded and some of the resulting fractions can be exposed on the surface of macrophages and interchanged between different macrophages. However, brain tissue studies show that, in physiological conditions, CD206 but not CD35 receptors may be involved in the phagocytosis of wasteosomes. Conclusions The present study indicates that macrophages have the machinery required to process and degrade wasteosomes, and that macrophages can interact in different ways with wasteosomes. In physiological conditions, the main mechanism involve CD206 receptors and M2 macrophages, which trigger the phagocytosis of wasteosomes without inducing inflammatory responses, thus avoiding tissue damage. However, altered wasteosomes like those obtained from post-mortem extracted CSF, which may exhibit waste elements, become opsonized by MBL and C3b, and so CD35 receptors constitute another possible mechanism of phagocytosis, leading in this case to inflammatory responses. Supplementary Information The online version contains supplementary material available at 10.1186/s13578-022-00915-2.
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Affiliation(s)
- Marta Riba
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain ,grid.5841.80000 0004 1937 0247Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain ,grid.418264.d0000 0004 1762 4012Centros de Biomedicina en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Joan Campo-Sabariz
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain ,grid.5841.80000 0004 1937 0247Institut de Recerca en Nutrició i Seguretat Alimentàries (INSA-UB), Universitat de Barcelona, Barcelona, Spain
| | - Iraida Tena
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain
| | - Laura Molina-Porcel
- grid.410458.c0000 0000 9635 9413Alzheimer’s Disease and Other Cognitive Disorders Unit, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Neurology Service, Hospital Clinic, Universitat de Barcelona, Barcelona, Spain ,grid.10403.360000000091771775Neurological Tissue Bank of the Biobanc-Hospital Clinic-IDIBAPS, Barcelona, Spain
| | - Teresa Ximelis
- grid.410458.c0000 0000 9635 9413Alzheimer’s Disease and Other Cognitive Disorders Unit, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Neurology Service, Hospital Clinic, Universitat de Barcelona, Barcelona, Spain ,grid.10403.360000000091771775Neurological Tissue Bank of the Biobanc-Hospital Clinic-IDIBAPS, Barcelona, Spain
| | - Maria Calvo
- grid.5841.80000 0004 1937 0247Unitat de Microscòpia Òptica Avançada - Campus Clínic, Facultat de Medicina, Centres Científics i Tecnològics - Universitat de Barcelona, Barcelona, Spain
| | - Ruth Ferrer
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain ,grid.5841.80000 0004 1937 0247Institut de Recerca en Nutrició i Seguretat Alimentàries (INSA-UB), Universitat de Barcelona, Barcelona, Spain
| | - Raquel Martín-Venegas
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain ,grid.5841.80000 0004 1937 0247Institut de Recerca en Nutrició i Seguretat Alimentàries (INSA-UB), Universitat de Barcelona, Barcelona, Spain
| | - Jaume del Valle
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain ,grid.5841.80000 0004 1937 0247Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain ,grid.418264.d0000 0004 1762 4012Centros de Biomedicina en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Jordi Vilaplana
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain ,grid.5841.80000 0004 1937 0247Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain ,grid.418264.d0000 0004 1762 4012Centros de Biomedicina en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Carme Pelegrí
- grid.5841.80000 0004 1937 0247Secció de Fisiologia, Departament de Bioquímica i Fisiologia, Universitat de Barcelona, Av. Joan XXIII 27-31, 08028 Barcelona, Spain ,grid.5841.80000 0004 1937 0247Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain ,grid.418264.d0000 0004 1762 4012Centros de Biomedicina en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
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Esteban M, Díaz C, Navarro J, Pérez M, Calvo M, Mata L, Galán-Malo P, Sánchez L. Detection of butyric spores by different approaches in raw milks from cow, ewe and goat. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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6
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Marais A, Bertoli-Avella AM, Beetz C, Altunoglu U, Alhashem A, Mohamed S, Alghamdi A, Willems P, Tsoutsou E, Fryssira H, Pons R, Almarzooq R, Karatoprak EY, Ayaz A, Ünverengil G, Calvo M, Yüksel Z, Bauer P. Further clinical and genetic evidence of ASC-1 complex dysfunction in congenital neuromuscular disease. Eur J Med Genet 2022; 65:104537. [PMID: 35690317 DOI: 10.1016/j.ejmg.2022.104537] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [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: 05/19/2021] [Revised: 05/21/2022] [Accepted: 06/06/2022] [Indexed: 11/03/2022]
Abstract
Transcriptional coregulators modulate the efficiency of transcription factors. Bi-allelic variants in TRIP4 and ASCC1, two genes that encode members of the tetrameric coregulator ASC-1, have recently been associated with congenital bone fractures, hypotonia, and muscular dystrophy in a total of 22 unrelated families. Upon exome sequencing and data repository mining, we identified six new patients with pathogenic homozygous variants in either TRIP4 (n = 4, two novel variants) or ASCC1 (n = 2, one novel variant). The associated clinical findings confirm and extend previous descriptions. Considering all patients reported to date, we provide supporting evidence suggesting that ASCC1-related disease has a more severe phenotype compared to TRIP4-related disorder regarding higher incidence of perinatal bone fractures and shorter survival.
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Affiliation(s)
| | | | | | - Umut Altunoglu
- Department of Medical Genetics, Koç University, School of Medicine, 34450, Istanbul, Turkey
| | - Amal Alhashem
- Division of Genetics and Metabolic Medicine, Department of Pediatrics, Prince Sultan Military Medical City Riyadh, Saudi Arabia; Department of Anatomy and Cell Biology, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Sarar Mohamed
- Division of Genetics and Metabolic Medicine, Department of Pediatrics, Prince Sultan Military Medical City Riyadh, Saudi Arabia; Prince Abdullah Bin Khaled Coeliac Disease Research Chair, College of Medicine, King Saud University, Riyadh, Saudi Arabia; Department of Pediarics, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Abdulaziz Alghamdi
- Pediatrics Department, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
| | | | - Eirini Tsoutsou
- Medical Genetics Department, Choremio Research Laboratory, "Aghia Sophia" Children's Hospital, National and Kapodistrian University of Athens, Greece
| | - Helena Fryssira
- Medical Genetics Department, Choremio Research Laboratory, "Aghia Sophia" Children's Hospital, National and Kapodistrian University of Athens, Greece
| | - Roser Pons
- Medical Genetics Department, Choremio Research Laboratory, "Aghia Sophia" Children's Hospital, National and Kapodistrian University of Athens, Greece
| | - Reem Almarzooq
- Pediatric Department, Salmaniya Medical Complex, Manama, Bahrain
| | - Elif Yüksel Karatoprak
- Departments of Pediatric Neurology, İstanbul Medeniyet University Faculty of Medicine, Göztepe Training and Research Hospital, İstanbul, Turkey
| | - Akif Ayaz
- Istanbul Medipol University Faculty of Medicine, Department of Medical Genetics, Istanbul, Turkey
| | - Gökçen Ünverengil
- Department of Pathology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
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7
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Martín G, Bosch M, Coll E, Parton RG, Pol A, Calvo M. ContactJ: Characterization of lipid droplet-mitochondrial contacts using fluorescence microscopy and image analysis. F1000Res 2022; 10:263. [PMID: 35169460 PMCID: PMC8812330 DOI: 10.12688/f1000research.51900.2] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/13/2022] [Indexed: 12/17/2022] Open
Abstract
Lipid droplets (LDs) are the major lipid storage organelles of eukaryotic cells and together with mitochondria key regulators of cell bioenergetics. LDs communicate with mitochondria and other organelles forming “metabolic synapse” contacts to ensure that lipid supply occurs where and when necessary. Although transmission electron microscopy analysis allows an accurate and precise analysis of contacts, the characterization of a large number of cells and conditions can become a long-term process. In order to extend contact analysis to hundreds of cells and multiple conditions, we have combined confocal fluorescence microscopy with advanced image analysis methods. In this work, we have developed the ImageJ macro script ContactJ, a novel and straight image analysis method to identify and quantify contacts between LD and mitochondria in fluorescence microscopy images allowing the automatic analysis. This image analysis workflow combines colocalization and skeletonization methods, enabling the quantification of LD-mitochondria contacts together with a complete characterization of organelles and cellular parameters. The correlation and normalization of these parameters contribute to the complex description of cell behavior under different experimental energetic states. ContactJ is available here:
https://doi.org/10.5281/zenodo.5810874
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Affiliation(s)
- Gemma Martín
- Advanced Optical Microscopy Facility. Scientific and Technological Centers, University of Barcelona, Barcelona, 08036, Spain
| | - Marta Bosch
- Biomedicine Department. School of Medicine, University of Barcelona, Barcelona, 08036, Spain.,Cell Compartments and Signaling Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, 08036, Spain
| | - Elisenda Coll
- Advanced Optical Microscopy Facility. Scientific and Technological Centers, University of Barcelona, Barcelona, 08036, Spain
| | - Robert G Parton
- Institute for Molecular Bioscience (IMB), University of Queensland, Brisbane, Queensland, 4072, Australia.,Centre for Microscopy and Microanalysis, University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Albert Pol
- Biomedicine Department. School of Medicine, University of Barcelona, Barcelona, 08036, Spain.,Cell Compartments and Signaling Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, 08036, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, 08010, Spain
| | - Maria Calvo
- Advanced Optical Microscopy Facility. Scientific and Technological Centers, University of Barcelona, Barcelona, 08036, Spain.,Biomedicine Department. School of Medicine, University of Barcelona, Barcelona, 08036, Spain
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8
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Liu J, Kumar S, Hong J, Huang ZM, Paez D, Castillo M, Calvo M, Chang HW, Cummins DD, Chung M, Yeroushalmi S, Bartholomew E, Hakimi M, Ye CJ, Bhutani T, Matloubian M, Gensler LS, Liao W. Combined Single Cell Transcriptome and Surface Epitope Profiling Identifies Potential Biomarkers of Psoriatic Arthritis and Facilitates Diagnosis via Machine Learning. Front Immunol 2022; 13:835760. [PMID: 35309349 PMCID: PMC8924042 DOI: 10.3389/fimmu.2022.835760] [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: 12/14/2021] [Accepted: 02/03/2022] [Indexed: 11/13/2022] Open
Abstract
Early diagnosis of psoriatic arthritis (PSA) is important for successful therapeutic intervention but currently remains challenging due, in part, to the scarcity of non-invasive biomarkers. In this study, we performed single cell profiling of transcriptome and cell surface protein expression to compare the peripheral blood immunocyte populations of individuals with PSA, individuals with cutaneous psoriasis (PSO) alone, and healthy individuals. We identified genes and proteins differentially expressed between PSA, PSO, and healthy subjects across 30 immune cell types and observed that some cell types, as well as specific phenotypic subsets of cells, differed in abundance between these cohorts. Cell type-specific gene and protein expression differences between PSA, PSO, and healthy groups, along with 200 previously published genetic risk factors for PSA, were further used to perform machine learning classification, with the best models achieving AUROC ≥ 0.87 when either classifying subjects among the three groups or specifically distinguishing PSA from PSO. Our findings thus expand the repertoire of gene, protein, and cellular biomarkers relevant to PSA and demonstrate the utility of machine learning-based diagnostics for this disease.
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Affiliation(s)
- Jared Liu
- Department of Dermatology, University of California at San Francisco, San Francisco, CA, United States
| | - Sugandh Kumar
- Department of Dermatology, University of California at San Francisco, San Francisco, CA, United States
| | - Julie Hong
- Department of Dermatology, University of California at San Francisco, San Francisco, CA, United States
| | - Zhi-Ming Huang
- Department of Dermatology, University of California at San Francisco, San Francisco, CA, United States
| | - Diana Paez
- Division of Rheumatology, Department of Medicine, University of California at San Francisco, San Francisco, CA, United States
| | - Maria Castillo
- Division of Rheumatology, Department of Medicine, University of California at San Francisco, San Francisco, CA, United States
| | - Maria Calvo
- Division of Rheumatology, Department of Medicine, University of California at San Francisco, San Francisco, CA, United States
| | - Hsin-Wen Chang
- Department of Dermatology, University of California at San Francisco, San Francisco, CA, United States
| | - Daniel D. Cummins
- Department of Dermatology, University of California at San Francisco, San Francisco, CA, United States
| | - Mimi Chung
- Department of Dermatology, University of California at San Francisco, San Francisco, CA, United States
| | - Samuel Yeroushalmi
- Department of Dermatology, University of California at San Francisco, San Francisco, CA, United States
| | - Erin Bartholomew
- Department of Dermatology, University of California at San Francisco, San Francisco, CA, United States
| | - Marwa Hakimi
- Department of Dermatology, University of California at San Francisco, San Francisco, CA, United States
| | - Chun Jimmie Ye
- Division of Rheumatology, Department of Medicine, University of California at San Francisco, San Francisco, CA, United States,Institute for Human Genetics, University of California at San Francisco, San Francisco, CA, United States,Department of Epidemiology and Biostatistics, University of California at San Francisco, San Francisco, CA, United States,Institute of Computational Health Sciences, University of California at San Francisco, San Francisco, CA, United States,Parker Institute for Cancer Immunotherapy, San Francisco, CA, United States,Chan Zuckerberg Biohub, San Francisco, CA, United States
| | - Tina Bhutani
- Department of Dermatology, University of California at San Francisco, San Francisco, CA, United States
| | - Mehrdad Matloubian
- Division of Rheumatology, Department of Medicine, University of California at San Francisco, San Francisco, CA, United States,Rosalind Russell/Ephraim P Engleman Rheumatology Research Center, University of California at San Francisco, San Francisco, CA, United States
| | - Lianne S. Gensler
- Division of Rheumatology, Department of Medicine, University of California at San Francisco, San Francisco, CA, United States
| | - Wilson Liao
- Department of Dermatology, University of California at San Francisco, San Francisco, CA, United States,Institute for Human Genetics, University of California at San Francisco, San Francisco, CA, United States,*Correspondence: Wilson Liao,
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Ajeddig H, Adam R, Ade P, André P, Artis E, Aussel H, Beelen A, Benoît A, Berta S, Bing L, Bourrion O, Calvo M, Catalano A, De Petris M, Désert FX, Doyle S, Driessen EFC, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez JF, Maury A, Mauskopf P, Mayet F, Monfardini A, Muñoz-Echeverría M, Perotto L, Pisano G, Ponthieu N, Revéret V, Rigby A, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Zylka R, Shimajiri Y. Probing the role of magnetic fields in star-forming filaments: NIKA2-Pol commissioning results toward OMC-1. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700002] [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] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Dust polarization observations are a powerful, practical tool to probe the geometry (and to some extent, the strength) of magnetic fields in starforming regions. In particular, Planck polarization data have revealed the importance of magnetic fields on large scales in molecular clouds. However, due to insufficient resolution, Planck observations are unable to constrain the B-field geometry on prestellar and protostellar scales. The high angular resolution of 11.7 arcsec provided by NIKA2-Pol 1.15 mm polarimetric imaging, corresponding to 0.02 pc at the distance of the Orion molecular cloud (OMC), makes it possible to advance our understanding of the B-field morphology in star-forming filaments and dense cores (IRAM 30m large program B-FUN). The commissioning of the NIKA2-Pol instrument has led to several challenging issues, in particular, the instrumental polarization or intensity-to-polarization “leakage” effect. In the present paper, we illustrate how this effect can be corrected for, leading to reliable exploitable data in a structured, extended source such as OMC-1. We present a statistical comparison between NIKA2-Pol and SCUBA2-Pol2 results in the OMC-1 region. We also present tentative evidence of local pinching of the B-field lines near Orion-KL, in the form of a new small-scale hourglass pattern, in addition to the larger-scale hourglass already seen by other instruments such as Pol2.
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Fasano A, Catalano A, Macías-Pérez J, Aguiar M, Beelen A, Benoit A, Bideaud A, Bounmy J, Bourrion O, Bres G, Calvo M, Castro-Almazán J, de Bernardis P, De Petris M, de Taoro A, Fernández-Torreiro M, Garde G, Génova-Santos R, Gomez A, Gómez-Renasco M, Goupy J, Hoarau C, Hoyland R, Lagache G, Marpaud J, Marton M, Monfardini A, Peel M, Pisano G, Ponthieu N, Rebolo R, Roudier S, Rubiño-Martín J, Tourres D, Tucker C, Vescovi C. Observations with KIDs Interferometer Spectrum Survey (KISS). EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700017] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
We describe the preliminary on-sky results of the KIDs Interferometer Spectrum Survey (KISS), a spectral imager with a 1 deg field of view (FoV). The instrument operates in the range 120–180 GHz from the 2.25m Q-U-I JOint TEnerife telescope in Teide Observatory (Tenerife, Canary Islands), at 2 395m altitude above sea level. Spectra at low resolution, up to 1.45 GHz, are obtained using a fast (3.72 Hz mechanical frequency) Fourier transform spectrometer, coupled to a continuous dilution cryostat with a stabilized temperature of 170mK that hosts two 316-pixel arrays of lumped-element kinetic inductance detectors. KISS generates more than 3 000 spectra per second during observations and represents a pathfinder to demonstrate the potential for spectral mapping with large FoV.We give an overall description of the spectral mapping paradigm and we present recent results from observations, in this paper.
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Muñoz-Echeverría M, Adam R, Ade P, Ajeddig H, André P, Arnaud M, Artis E, Aussel H, Bartalucci I, Beelen A, Benoît A, Berta S, Bing L, Bourrion O, Calvo M, Catalano A, De Petris M, Désert FX, Doyle S, Driessen EFC, Ferragamo A, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez JF, Maury A, Mauskopf P, Mayet F, Monfardini A, Paliwal A, Perotto L, Pisano G, Pointecouteau E, Ponthieu N, Pratt GW, Revéret V, Rigby AJ, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Yepes G. Multi-probe analysis of the galaxy cluster CL J1226.9+3332: Hydrostatic mass and hydrostatic-to-lensing bias. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700032] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
We present a multi-probe analysis of the well-known galaxy cluster CL J1226.9+3332 as a proof of concept for multi-wavelength studies within the framework of the NIKA2 Sunyaev-Zel’dovich Large Program (LPSZ). CL J1226.9+3332 is a massive and high redshift (z = 0.888) cluster that has already been observed at several wavelengths. A joint analysis of the thermal SZ (tSZ) effect at millimeter wavelength with the NIKA2 camera and in X-ray with the XMM-Newton satellite permits the reconstruction of the cluster’s thermodynamical properties and mass assuming hydrostatic equilibrium. We test the robustness of our mass estimates against different definitions of the data analysis transfer function. Using convergence maps reconstructed from the data of the CLASH program we obtain estimates of the lensing mass, which we compare to the estimated hydrostatic mass. This allows us to measure the hydrostatic-to-lensing mass bias and the associated systematic effects related to the NIKA2 measurement. We obtain M500HSE = (7:65 ± 1:03) × 1014M⊙ and M500lens = (7:35 ± 0:65) × 1014M⊙, which implies a HSE-to-lensing bias consistent with 0 within 20%.
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Katsioli S, Adam R, Ade P, Ajeddig H, André P, Artis E, Aussel H, Beelen A, Benoît A, Berta S, Bing L, Bourrion O, Calvo M, Catalano A, De Looze I, De Petris M, Désert FX, Doyle S, Driessen EC, Ejlali G, Galametz M, Galliano F, Gomez A, Goupy J, Jones A, Hughes A, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez JF, Madden S, Maury A, Mauskopf P, Mayet F, Monfardini A, Muñoz-Echeverría M, Nersesian A, Perotto L, Pisano G, Ponthieu N, Revéret V, Rigby A, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Smith MWL, Tabatabaei F, Tucker C, Xilouris EM, Zylka R. Exploring the millimetre emission in nearby galaxies: Analysis of the edge-on galaxy NGC 891. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700023] [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] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
New observations of the edge-on galaxy NGC 891, at 1.15 and 2mm obtained with the IRAM 30-m telescope and the NIKA2 camera, within the framework of the IMEGIN (Interpreting the Millimetre Emission of Galaxies with IRAM and NIKA2) Large Program, are presented in this work. By using multiwavelength maps (from the mid-IR to the cm wavelengths) we perform SED fitting in order to extract the physical properties of the galaxy on both global and local (~kpc) scales. For the interpretation of the observations we make use of a state-of-the-art SED fitting code, HerBIE (HiERarchical Bayesian Inference for dust Emission). The observations indicate a galaxy morphology, at mm wavelengths, similar to that of the cold dust emission traced by submm observations and to that of the molecular gas. The contribution of the radio emission at the NIKA2 bands is very small (negligible at 1.15 mm and ~ 10% at 2 mm) while it dominates the total energy budget at longer wavelengths (beyond 5 mm). On local scales, the distribution of the free-free emission resembles that of the dust thermal emission while the distribution of the synchrotron emission shows a deficiency along the major axis of the disc of the galaxy.
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Perotto L, Adam R, Ade P, Ajeddig H, André P, Arnaud M, Artis E, Aussel H, Bartalucci I, Beelen A, Benoît A, Berta S, Bing L, Bourrion O, Calvo M, Catalano A, De Petris M, Désert FX, Doyle S, Driessen EFC, Ferragamo A, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez JF, Maury A, Mauskopf P, Mayet F, Monfardini A, Muñoz-Echeverría M, Paliwal A, Pisano G, Pointecouteau E, Ponthieu N, Pratt G, Revéret V, Rigby AJ, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Yepes G. The NIKA2 Sunyaev-Zeldovich Large Program: Precise galaxy cluster physics for an accurate cluster-based cosmology. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700038] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The NIKA2 Guaranteed-Time SZ Large Program (LPSZ) is dedicated to the high-angular resolution SZ mapping of a representative sample of 45 SZ-selected galaxy clusters drawn from the catalogues of the Planck satellite, or of the Atacama Cosmology Telescope. The LPSZ sample spans a mass range from 3 to 11 × 1014M⊙ and a redshift range from 0:5 to 0:9, extending to higher redshift and lower mass the previous samples dedicated to the cluster mass calibration and universal properties estimation. The main goals of the LPSZ are the measurement of the average radial profile of the ICM pressure up to R500 by combining NIKA2 with Planck or ACT data, and the estimation of the scaling law between the SZ observable and the mass using NIKA2, XMM-Newton and Planck/ACT data. Furthermore, combining LPSZ data with existing or forthcoming public data in lensing, optical/NIR or radio domains, we will build a consistent picture of the cluster physics and further gain knowledge on the mass estimate as a function of the cluster morphology and dynamical state.
We give an overview of the LPSZ, present recent results and discuss the future implication for cosmology with galaxy clusters.
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Bing L, Adam R, Ade P, Ajeddig H, André P, Artis E, Aussel H, Beelen A, Benoît A, Berta S, Béthermin M, Bourrion O, Calvo M, Catalano A, De Petris M, Désert FX, Doyle S, Driessen EFC, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez JF, Maury A, Mauskopf P, Mayet F, Monfardini A, Muñoz-Echeverría M, Neri R, Omont A, Perotto L, Pisano G, Ponthieu N, Revéret V, Rigby A, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Zylka R. Searching for high-z DSFGs with NIKA2 and NOEMA. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700006] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
As the possible progenitors of passive galaxies at z=2-3, dusty starforming galaxies (DSFGs) at z>4 provide a unique perspective to study the formation, assembly, and early quenching of massive galaxies in the early Universe. The extreme obscuration in optical-IR makes (sub)mm spectral scans the most universal and unbiased way to confirm/exclude the high-z nature of candidate dusty star-forming galaxies. We present here the status of the NIKA2 Cosmological Legacy Survey (N2CLS), which is the deepest wide-area singledish survey in the millimeter searching for high-z DSFGs. We also introduce a joint-analysis method to effciently search for the spectroscopic redshift of high-z DSFGs with noisy spectra and photometric data and present its success in identifying the redshift of DSFGs found in NIKA2 science verification data.
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Peretto N, Adam R, Ade P, Ajeddig H, André P, Artis E, Aussel H, Bacmann A, Beelen A, Benoît A, Berta S, Bing L, Bourrion O, Calvo M, Catalano A, De Petris M, Désert FX, Doyle S, Driessen EFC, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez JF, Maury A, Mauskopf P, Mayet F, Monfardini A, Muñoz-Echeverría M, Perotto L, Pisano G, Ponthieu N, Revéret V, Rigby A, Ristorcelli I, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Zylka R. Galactic star formation with NIKA2 (GASTON): Filament convergence and its link to star formation. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
In the past decade filaments have been recognised as a major structural element of the interstellar medium, the densest of these filaments hosting the formation of most stars. In some star-forming molecular clouds converging networks of filaments, also known as hub filament systems, can be found. These hubs are believed to be preferentially associated to massive star formation. As of today, there are no metrics that allow the systematic quantification of a filament network convergence. Here, we used the IRAM 30m NIKA2 observations of the Galactic plane from the GASTON large programme to systematically identify filaments and produce a filament convergence parameter map. We use such a map to show that: i. hub filaments represent a small fraction of the global filament population; ii. hubs host, in proportion, more massive and more luminous compact sources that non-hubs; iii. hub-hosting clumps are more evolved that non-hubs; iv. no discontinuities are observed in the properties of compact sources as a function of convergence parameter. We propose that the rapid global collapse of clumps is responsible for (re)organising filament networks into hubs and, in parallel, enhancing the mass growth of compact sources.
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Artis E, Adam R, Ade P, Ajeddig H, André P, Arnaud M, Aussel H, Bartalucci I, Beelen A, Benoît A, Berta S, Bing L, Bourrion O, Calvo M, Catalano A, De Petris M, Désert FX, Doyle S, Driessen EFC, Ferragamo A, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez JF, Maury A, Mauskopf P, Mayet F, Monfardini A, Muñoz-Echeverría M, Paliwal A, Perotto L, Pisano G, Pointecouteau E, Ponthieu N, Pratt GW, Revéret V, Rigby AJ, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Yepes G. PSZ2 G091: A massive double cluster at z ~ 0.822 observed by the NIKA2 camera. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700003] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
PSZ2 G091.83+26.11 is a massive galaxy cluster with M500 = 7:43 × 1014M⊙ at z = 0:822. This object exhibits a complex morphology with a clear bimodality observed in X-rays. However, it was detected and analysed in the Planck sample as a single, spherical cluster following a universal profile [1]. This model can lead to miscalculations of thermodynamical quantities, like the pressure profile. As future multiwavelength cluster experiments will detect more and more objects at higher redshifts (where we expect the fraction of merging objects to be higher), it is crucial to quantify this systematic effect. In this work, we use high-resolution observations of PSZ2 G091.83+26.11 by the NIKA2 camera to integrate the morphological characteristics of the cluster in our modelling. This is achieved by fitting a two-halo model to the SZ image and then by reconstruction of the resulting projected pressure profile. We then compare these results with the spherical assumption.
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Catalano A, Ade P, Aravena M, Barria E, Beelen A, Benoit A, Béthermin M, Bounmy J, Bourrion O, Bres G, De Breuck C, Calvo M, Désert FX, Durán C, Duvauchelle G, Eraud L, Fasano A, Fenouillet T, Garcia J, Garde G, Goupy J, Groppi C, Hoarau C, Hu W, Lagache G, Lambert JC, Leggeri JP, Levy-Bertrand F, Macías-Pérez J, Mani H, Marpaud J, Marton M, Mauskopf P, Monfardini A, Pisano G, Ponthieu N, Prieur L, Raffin G, Roni S, Roudier S, Tourres D, Tucker C, Vivargent L. CONCERTO at APEX: Installation and first phase of on-sky commissioning. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700010] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
CONCERTO (CarbON CII line in post-rEionisation and ReionisaTiOn) is a large field-of-view (FoV) spectro-imager that has been installed on the Cassegrain Cabin of Atacama Pathfinder EXperiment (APEX) telescope in April 2021. CONCERTO hosts 2 focal planes and a total number of 4000 Kinetic Inductance Detectors (KID), with an instantaneous FoV of 18.6 arcminutes in the range of 130-310 GHz. The spectral resolution can be easily tuned down to 1 GHz depending on the scientific target. The scientific program of CONCERTO has many objectives, with two main programs focused on mapping the fluctuations of the [CII] line intensity in the reionisation and postreionisation epoch (4.5<z<8.5), and on studying galaxy clusters via the thermal and kinetic Sunyaev-Zel’dovich (SZ) effect. CONCERTO will also measure the dust and molecular gas contents of local and intermediate-redshift galaxies, it will study the Galactic star-forming clouds and finally it will observe the CO intensity fluctuations arising from 0.3<z<2 galaxies.
The design of the instrument, installation at APEX and current status of the commissioning phase and science verification will be presented. Also we describe the deployment and first on-sky tests performed between April and June 2021.
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Rigby A, Adam R, Ade P, Ajeddig H, Anderson M, André P, Artis E, Aussel H, Bacmann A, Beelen A, Benoît A, Berta S, Bing L, Bourrion O, Bracco A, Calvo M, Catalano A, De Petris M, Désert FX, Doyle S, Driessen EFC, García P, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez JF, Maury A, Mauskopf P, Mayet F, Monfardini A, Muñoz-Echeverría M, Peretto N, Perotto L, Pisano G, Ponthieu N, Revéret V, Ristorcelli I, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Watkins E, Zylka R. Galactic Star Formation with NIKA2 (GASTON): Evidence of mass accretion onto dense clumps. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700041] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
High-mass stars (m* ≳ 8 M⊙) play a crucial role in the evolution of galaxies, and so it is imperative that we understand how they are formed. We have used the New IRAM KIDs Array 2 (NIKA2) camera on the Institut de Radio Astronomie Millimétrique (IRAM) 30-m telescope to conduct high-sensitivity continuum mapping of ~ 2 deg2 of the Galactic plane (GP) as part of the Galactic Star Formation with NIKA2 (GASTON) large program. We have identified a total of 1467 clumps within our deep 1.15 mm continuum maps and, by using overlapping continuum, molecular line, and maser parallax data, we have determined their distances and physical properties. By placing them upon an approximate evolutionary sequence based upon 8 μm Spitzer imaging, we find evidence that the most massive dense clumps accrete material from their surrounding environment during their early evolution, before dispersing as star formation advances, supporting clump-fed models of high-mass star formation.
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Lestrade JF, Adam R, Ade P, Ajeddig H, André P, Artis E, Aussel H, Beelen A, Benoît A, Berta S, Bing L, Bourrion O, Calvo M, Catalano A, Coulais A, De Petris M, Désert FX, Doyle S, Driessen EFC, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Macías-Pérez JF, Maury A, Mauskopf P, Mayet F, Monfardini A, Muñoz-Echeverría M, Perotto L, Pisano G, Ponthieu N, Revéret V, Rigby AJ, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Zylka R. Overdensity of SubMillimiter Galaxies in the GJ526 Field mapped with the NIKA2 Camera. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700027] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Using the NIKA2 dual band millimeter camera installed on the IRAM30m telescope, we have mapped a relatively large field (~ 70 arcmin2) in the direction of the star GJ526 to investigate the nature of the sources found with the MAMBO camera at 1.2 mm ten years earlier. We have found that they must be dust-obscured galaxies (SMGs) in the background beyond the star. The new NIKA2 map at 1.15 mm reveals additional sources and, in fact, an overdensity of SMGs predominantly distributed along a filament-like structure in projection on the sky across the whole observed field. We speculate this might be a cosmic filament at high redshift as revealed in cosmological hydrodynamical simulations. Measurement of spectroscopic redshifts of the SMGs in the candidate filament is required now for a definitive confirmation of the nature of the structure.
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Ritacco A, Adam R, Ade P, Ajeddig H, André P, Artis E, Aumont J, Aussel H, Beelen A, Benoît A, Berta S, Bing L, Bourrion O, Calvo M, Catalano A, De Petris M, Désert FX, Doyle S, Driessen EFC, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez JF, Maury A, Mauskopf P, Mayet F, Monfardini A, Muñoz-Echeverría M, Perotto L, Pisano G, Ponthieu N, Revéret V, Rigby AJ, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Zylka R. Crab nebula at 260 GHz with the NIKA2 polarimeter: Implications for the polarization angle calibration of future CMB experiments. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700042] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The quest for primordial gravitational waves enclosed in the Cosmic Microwave Background (CMB) polarization B-modes signal motivates the development of a new generation of high sensitive experiments (e.g. CMBS4, LiteBIRD), thus allowing to probe the inflationary epoch in the early Universe. However, this will be only possible by ensuring a high control of the instrumental systematic effects and an accurate absolute calibration of the polarization angle.
The Crab nebula is known to be a polarization calibrator on the sky for CMB experiments. Already used for the Planck satellite it exhibits a high polarized signal at microwave wavelengths. In this work we present Crab polarization observations obtained, in the 260 GHz frequency band, with the NIKA2 instrument. Furthermore, we discuss the accuracy needed on such a measurement to improve the constraints on the absolute angle calibration for CMB experiments.
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Muñoz-Echeverría M, Adam R, Ade P, Ajeddig H, André P, Arnaud M, Artis E, Aussel H, Bartalucci I, Beelen A, Benoît A, Berta S, Bing L, Bourrion O, Calvo M, Catalano A, De Petris M, Désert FX, Doyle S, Driessen EFC, Ferragamo A, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez JF, Maury A, Mauskopf P, Mayet F, Monfardini A, Paliwal A, Perotto L, Pisano G, Pointecouteau E, Ponthieu N, Pratt GW, Revéret V, Rigby AJ, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Yepes G. The LPSZ-CLASH galaxy cluster sample: Combining lensing and hydrostatic mass estimates. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700033] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Starting from the clusters included in the NIKA sample and in the NIKA2 Sunyaev-Zel’dovich Large Program (LPSZ) we have selected a sample of six common objects with the Cluster Lensing And Supernova survey with Hubble (CLASH) lensing data. For the LPSZ clusters we have at our disposal both high-angular resolution observations of the thermal SZ with NIKA and NIKA2 and X-ray observations with XMM-Newton from which hydrostatic mass estimates can be derived. In addition, the CLASH dataset includes lensing convergence maps that can be converted into lensing estimates of the total mass of the cluster. One-dimensional mass profiles are used to derive integrated mass estimates accounting for systematic effects (data processing, modeling, etc.). Two-dimensional analysis of the maps can reveal substructures in the cluster and, therefore, inform us about the dynamical state of each system. Moreover, we are able to study the hydrostatic mass to lensing mass bias, across different morphology and a range of redshift clusters to give more insight on the hydrostatic mass bias. The analysis presented in this proceeding follows the study discussed in [20].
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Ruppin F, Adam R, Ade P, Ajeddig H, André P, Artis E, Aussel H, Beelen A, Benoît A, Berta S, Bing L, Bourrion O, Brodwin M, Calvo M, Catalano A, Decker B, De Petris M, Désert FX, Doyle S, Driessen EFC, Eisenhardt PRM, Gomez A, Gonzalez AH, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez JF, Maury A, Mauskopf P, Mayet F, McDonald M, Monfardini A, Moravec E, Muñoz-Echeverría M, Perotto L, Pisano G, Ponthieu N, Revéret V, Rigby AJ, Ritacco A, Romero C, Roussel H, Schuster K, Shu S, Sievers A, Stanford S, Stern D, Tucker C, Zylka R. Mapping the intracluster medium temperature in the era of NIKA2 and MUSTANG-2. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700043] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
We present preliminary results from an on-going program that aims at mapping the intracluster medium (ICM) temperature of high redshift galaxy clusters from the MaDCoWS sample using a joint analysis of shallow X-ray data obtained by Chandra and high angular resolution Sunyaev-Zel’dovich (SZ) observations realized with the NIKA2 and MUSTANG-2 cameras. We also present preliminary results from an on-going Open Time program within the NIKA2 collaboration that aims at mapping the ICM temperature of a galaxy cluster at z = 0.45 from the resolved detection of the relativistic corrections to the SZ spectrum. These studies demonstrate how high angular resolution SZ observations will play a major role in the coming decade to push the investigation of ICM dynamics and non-gravitational processes to high redshift before the next generation X-ray observatories come into play.
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Ejlali G, Adam R, Ade P, Ajeddig H, André P, Artis E, Aussel H, Beelen A, Benoît A, Berta S, Bing L, Bourrion O, Calvo M, Catalano A, de Looze I, De Petris M, Désert FX, Doyle S, Driessen EC, Galametz M, Galliano F, Gomez A, Goupy J, Jones A, Hughes A, Katsioli S, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez JF, Madden S, Maury A, Mauskopf P, Mayet F, Monfardini A, Muñoz-Echeverría M, Nersesian A, Perotto L, Pisano G, Ponthieu N, Revéret V, Rigby A, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Smith MWSL, Tabatabaei FS, Tucker C, Xilouris E, Zylka R. Dust Emission in Galaxies at Millimeter Wavelengths: Cooling of star forming regions in NGC6946. EPJ Web Conf 2022. [DOI: 10.1051/epjconf/202225700016] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Interstellar dust plays an important role in the formation of molecular gas and the heating and cooling of the interstellar medium. The spatial distribution of the mm-wavelength dust emission from galaxies is largely unexplored. The NIKA2 Guaranteed Time Project IMEGIN (Interpreting the Millimeter Emission of Galaxies with IRAM and NIKA2) has recently mapped the mm emission in the grand design spiral galaxy NGC6946. By subtracting the contributions from the free-free, synchrotron, and CO line emission, we map the distribution of the pure dust emission at 1:15mm and 2mm. Separating the arm/interarm regions, we find a dominant 2mm emission from interarms indicating the significant role of the general interstellar radiation field in heating the cold dust. Finally, we present maps of the dust mass, temperature, and emissivity index using the Bayesian MCMC modeling of the spectral energy distribution in NGC6946.
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24
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Zabana Y, Marín-Jiménez I, Rodríguez-Lago I, Vera I, Martín-Arranz MD, Guerra I, Gisbert JP, Mesonero F, Benítez O, Taxonera C, Ponferrada-Díaz Á, Piqueras M, Lucendo AJ, Caballol B, Mañosa M, Martínez-Montiel P, Bosca-Watts M, Gordillo J, Bujanda L, Manceñido N, Martínez-Pérez T, López A, Rodríguez-Gutiérrez C, García-López S, Vega P, Rivero M, Melcarne L, Calvo M, Iborra M, Barreiro de-Acosta M, Sicilia B, Barrio J, Pérez JL, Busquets D, Pérez-Martínez I, Navarro-Llavat M, Hernández V, Argüelles-Arias F, Ramírez Esteso F, Meijide S, Ramos L, Gomollón F, Muñoz F, Suris G, de Zarate JO, Huguet JM, Llaó J, García-Sepulcre MF, Sierra M, Durà M, Estrecha S, Fuentes Coronel A, Hinojosa E, Olivan L, Iglesias E, Gutiérrez A, Varela P, Rull N, Gilabert P, Hernández-Camba A, Brotons A, Ginard D, Sesé E, Carpio D, Aceituno M, Cabriada JL, González-Lama Y, Jiménez L, Chaparro M, López-San Román A, Alba C, Plaza-Santos R, Mena R, Tamarit-Sebastián S, Ricart E, Calafat M, Olivares S, Navarro P, Bertoletti F, Alonso-Galán H, Pajares R, Olcina P, Manzano P, Domènech E, Esteve M. Nationwide COVID-19-EII Study: Incidence, Environmental Risk Factors and Long-Term Follow-Up of Patients with Inflammatory Bowel Disease and COVID-19 of the ENEIDA Registry. J Clin Med 2022; 11:421. [PMID: 35054116 PMCID: PMC8781643 DOI: 10.3390/jcm11020421] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 12/23/2021] [Accepted: 01/06/2022] [Indexed: 02/04/2023] Open
Abstract
We aim to describe the incidence and source of contagion of COVID-19 in patients with IBD, as well as the risk factors for a severe course and long-term sequelae. This is a prospective observational study of IBD and COVID-19 included in the ENEIDA registry (53,682 from 73 centres) between March-July 2020 followed-up for 12 months. Results were compared with data of the general population (National Centre of Epidemiology and Catalonia). A total of 482 patients with COVID-19 were identified. Twenty-eight percent were infected in the work environment, and 48% were infected by intrafamilial transmission, despite having good adherence to lockdown. Thirty-five percent required hospitalization, 7.9% had severe COVID-19 and 3.7% died. Similar data were reported in the general population (hospitalisation 19.5%, ICU 2.1% and mortality 4.6%). Factors related to death and severe COVID-19 were being aged ≥ 60 years (OR 7.1, 95% CI: 1.8-27 and 4.5, 95% CI: 1.3-15.9), while having ≥2 comorbidities increased mortality (OR 3.9, 95% CI: 1.3-11.6). None of the drugs for IBD were related to severe COVID-19. Immunosuppression was definitively stopped in 1% of patients at 12 months. The prognosis of COVID-19 in IBD, even in immunosuppressed patients, is similar to that in the general population. Thus, there is no need for more strict protection measures in IBD.
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Affiliation(s)
- Yamile Zabana
- Hospital Universitari Mútua Terrassa, 08221 Terrassa, Spain; (O.B.); (M.A.); (P.M.); (M.E.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
| | | | - Iago Rodríguez-Lago
- Gastroenterology Department, Hospital Universitario de Galdakao, 48960 Galdakao, Spain; (I.R.-L.); (J.L.C.)
- Biocruces Bizkaia Health Research Institute, 48960 Galdakao, Spain
| | - Isabel Vera
- Hospital Universitario Puerta de Hierro, 28222 Majadahonda, Spain; (I.V.); (Y.G.-L.)
| | | | - Iván Guerra
- Hospital Universitario de Fuenlabrada, 28942 Fuenlabrada, Spain; (I.G.); (L.J.)
- Instituto de Investigación Hospital Universitario La Paz (IdiPaz), 28046 Madrid, Spain
| | - Javier P. Gisbert
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
- Department of Gastroenterology, Hospital Universitario de La Princesa, Universidad Autónoma de Madrid (UAM), 28049 Madrid, Spain
- Instituto de Investigación Sanitaria Princesa (IIS-IP), 28006 Madrid, Spain
| | - Francisco Mesonero
- Hospital Universitario Ramón y Cajal, 28034 Madrid, Spain; (F.M.); (A.L.-S.R.)
| | - Olga Benítez
- Hospital Universitari Mútua Terrassa, 08221 Terrassa, Spain; (O.B.); (M.A.); (P.M.); (M.E.)
| | - Carlos Taxonera
- Hospital Clínico San Carlos, 28040 Madrid, Spain; (C.T.); (C.A.)
- Instituto de Investigación del Hospital Clínico San Carlos [IdISSC], 28040 Madrid, Spain
| | | | - Marta Piqueras
- Consorci Sanitari de Terrassa, 08227 Terrassa, Spain; (M.P.); (R.M.)
| | - Alfredo J. Lucendo
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
- Instituto de Investigación Sanitaria Princesa (IIS-IP), 28006 Madrid, Spain
- Hospital General de Tomelloso, 13700 Tomelloso, Spain;
| | - Berta Caballol
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
- Hospital Clínic de Barcelona-IDIBAPS, 08036 Barcelona, Spain
| | - Míriam Mañosa
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
- Hospital Universitari Germans Trias i Pujol, 08916 Badalona, Spain
| | - Pilar Martínez-Montiel
- Fundación Hospital Universitario Doce de Octubre, 28041 Madrid, Spain; (P.M.-M.); (S.O.)
| | - Maia Bosca-Watts
- Hospital Clinic Universitari de Valencia, 46010 Valencia, Spain; (M.B.-W.); (P.N.)
| | - Jordi Gordillo
- Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; (J.G.); (F.B.)
| | - Luis Bujanda
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
- Hospital Universitario Donostia, Instituto Biodonostia, 20014 San Sebastián, Spain;
- Universidad del País Vasco (UPV/EHU), 48940 Leioua, Spain
| | - Noemí Manceñido
- Hospital Universitario Infanta Sofía, 28703 San Sebastián de los Reyes, Spain; (N.M.); (R.P.)
| | | | - Alicia López
- Institut Hospital del Mar d’Investigacions Mèdiques (IMIM), Hospital del Mar, 08003 Barcelona, Spain;
| | | | | | - Pablo Vega
- Complexo Hospitalario Universitario de Ourense, 32005 Ourense, Spain;
| | - Montserrat Rivero
- Instituto de Investigación Sanitaria Valdecilla (IDIVAL), Hospital Universitario Marqués de Valdecilla, 39008 Santander, Spain;
| | - Luigi Melcarne
- Hospital Universitari Parc Taulí, 08208 Sabadell, Spain;
| | - Maria Calvo
- Hospital San Pedro-Logroño, 26006 Logroño, Spain;
| | - Marisa Iborra
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
- Hospital Universitario y Politécnico de la Fe de Valencia, 46026 Valencia, Spain
| | | | | | - Jesús Barrio
- Hospital Universitario Río Hortega (HURH), 47012 Valladolid, Spain;
| | - José Lázaro Pérez
- Hospital Universitario Fundación de Alcorcón, 28922 Alcorcón, Spain;
| | - David Busquets
- Hospital Universitari de Girona Doctor Josep Trueta, 17007 Girona, Spain;
| | - Isabel Pérez-Martínez
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Hospital Universitario Central de Asturias, 33011 Oviedo, Spain;
| | | | | | | | | | - Susana Meijide
- Hospital Universitario de Cruces, 48903 Barakaldo, Spain;
| | - Laura Ramos
- Hospital Universitario de Canarias, 38320 San Cristobal de la Laguna, Spain;
| | - Fernando Gomollón
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
- Hospital Clínico Universitario “Lozano Blesa” and IIS Aragón, 50009 Zaragoza, Spain
| | - Fernando Muñoz
- Hospital Universitario de Salamanca, 37007 Salamanca, Spain;
| | - Gerard Suris
- Hospital Universitari de Bellvitge, 08907 L’Hospitalet de Llobregat, Spain;
| | | | - José María Huguet
- Consorcio Hospital General Universitario de Valencia, 46014 Valencia, Spain;
| | - Jordina Llaó
- Althaia Xarxa Assistencial Universitària de Manresa, 08243 Manresa, Spain;
| | | | - Mónica Sierra
- Complejo Asistencial Universitario de León, 24071 León, Spain;
| | - Miguel Durà
- Hospital Clínico de Valladolid, 47003 Valladolid, Spain;
| | | | | | | | | | - Eva Iglesias
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía de Córdoba, 14004 Cordoba, Spain;
| | - Ana Gutiérrez
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
- Hospital General Universitario de Alicante, 03010 Alicante, Spain
| | - Pilar Varela
- Hospital Universitario de Cabueñes, 33394 Gijón, Spain;
| | - Núria Rull
- Hospital Universitario Son Llàtzer, 07198 Palma, Spain;
| | - Pau Gilabert
- Hospital de Viladecans, 08840 Viladecans, Spain;
| | | | | | - Daniel Ginard
- Hospital Universitario Son Espases, 07120 Palma, Spain;
| | - Eva Sesé
- Hospital Universitari Arnau de Vilanova de Lleida, 25198 Lleida, Spain;
| | - Daniel Carpio
- Complexo Hospitalario de Pontevedra, 36071 Pontevedra, Spain;
| | - Montserrat Aceituno
- Hospital Universitari Mútua Terrassa, 08221 Terrassa, Spain; (O.B.); (M.A.); (P.M.); (M.E.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
| | - José Luis Cabriada
- Gastroenterology Department, Hospital Universitario de Galdakao, 48960 Galdakao, Spain; (I.R.-L.); (J.L.C.)
- Biocruces Bizkaia Health Research Institute, 48960 Galdakao, Spain
| | - Yago González-Lama
- Hospital Universitario Puerta de Hierro, 28222 Majadahonda, Spain; (I.V.); (Y.G.-L.)
| | - Laura Jiménez
- Hospital Universitario de Fuenlabrada, 28942 Fuenlabrada, Spain; (I.G.); (L.J.)
- Instituto de Investigación Hospital Universitario La Paz (IdiPaz), 28046 Madrid, Spain
| | - María Chaparro
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
- Department of Gastroenterology, Hospital Universitario de La Princesa, Universidad Autónoma de Madrid (UAM), 28049 Madrid, Spain
- Instituto de Investigación Sanitaria Princesa (IIS-IP), 28006 Madrid, Spain
| | | | - Cristina Alba
- Hospital Clínico San Carlos, 28040 Madrid, Spain; (C.T.); (C.A.)
- Instituto de Investigación del Hospital Clínico San Carlos [IdISSC], 28040 Madrid, Spain
| | - Rocío Plaza-Santos
- Hospital Universitario Infanta Leonor, 28031 Madrid, Spain; (Á.P.-D.); (R.P.-S.)
| | - Raquel Mena
- Consorci Sanitari de Terrassa, 08227 Terrassa, Spain; (M.P.); (R.M.)
| | | | - Elena Ricart
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
- Hospital Clínic de Barcelona-IDIBAPS, 08036 Barcelona, Spain
| | - Margalida Calafat
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
- Hospital Universitari Germans Trias i Pujol, 08916 Badalona, Spain
| | - Sonsoles Olivares
- Fundación Hospital Universitario Doce de Octubre, 28041 Madrid, Spain; (P.M.-M.); (S.O.)
| | - Pablo Navarro
- Hospital Clinic Universitari de Valencia, 46010 Valencia, Spain; (M.B.-W.); (P.N.)
| | - Federico Bertoletti
- Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain; (J.G.); (F.B.)
| | - Horacio Alonso-Galán
- Hospital Universitario Donostia, Instituto Biodonostia, 20014 San Sebastián, Spain;
- Universidad del País Vasco (UPV/EHU), 48940 Leioua, Spain
| | - Ramón Pajares
- Hospital Universitario Infanta Sofía, 28703 San Sebastián de los Reyes, Spain; (N.M.); (R.P.)
| | - Pablo Olcina
- Hospital Virgen de la Luz, 16002 Cuenca, Spain; (T.M.-P.); (P.O.)
| | - Pamela Manzano
- Hospital Universitari Mútua Terrassa, 08221 Terrassa, Spain; (O.B.); (M.A.); (P.M.); (M.E.)
| | - Eugeni Domènech
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
- Hospital Universitari Germans Trias i Pujol, 08916 Badalona, Spain
| | - Maria Esteve
- Hospital Universitari Mútua Terrassa, 08221 Terrassa, Spain; (O.B.); (M.A.); (P.M.); (M.E.)
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain; (J.P.G.); (A.J.L.); (B.C.); (M.M.); (L.B.); (M.I.); (F.G.); (A.G.); (M.C.); (E.R.); (M.C.); (E.D.)
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Llorenç V, Serrano AR, Mesquida M, Lin P, Esquinas C, Sainz‐de‐la‐Maza M, Metea C, Bosch A, Calvo M, Balter A, Nakamura Y, Molins B, Alba C, Suhler E, Adán A. Swept-source optical coherence tomography objective composite activity score for uveitis. Acta Ophthalmol 2021; 99:756-764. [PMID: 33421360 DOI: 10.1111/aos.14739] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 12/01/2020] [Accepted: 12/07/2020] [Indexed: 12/31/2022]
Abstract
PURPOSE To develop an objective intraocular inflammation composite score. METHODS Cross-sectional study. Non-invasive image acquisition and processing were conducted from April 2017 to April 2019. Inflammation-grade stratified eyes from patients with active, inactive uveitis and healthy controls were recruited. After clinical assessment, four anterior and posterior segment image acquisition protocols per eye, using swept-source optical coherence tomography (SS-OCT), were performed at inclusion. Eight imaging biomarkers in three domains: anterior, intermediate and posterior were studied. They were ranked and selected by discriminatory power and correlation with clinical scores. A final SS-OCT-derived composite uveitis activity score (SS-UAS) was developed through multiple linear regression. RESULTS We studied 224 eyes with uveitis (165 active and 59 inactive) from 165 patients (mean age 46.6 SD 15.5 years; 55.3% women) and 38 eyes from 19 healthy controls (mean age 43.6 SD 17.1; 47% women). The selected SS-OCT-derived biomarkers to build the final score were anterior chamber hyper-reflective dots (anterior), high-definition relative vitreous intensity (intermediate) and the averaged thickened retinal index (posterior). Swept-source (SS)-UAS was highly discriminant between active and inactive, and between active and healthy eyes (means 2.06 SD 1.86, 0.93 SD 0.44, and 0.96 SD 0.38, respectively, both p -, Mann-Whitney U). Construct validity (Cronbach's alpha = 0.7), internal consistency, criterion validity and reliability (concordance correlation coefficient intra-rater = 0.99, 95% CI: 0.98-0.99; inter-rater = 0.98, 95% CI: 0.96-0.99) were favourable. CONCLUSIONS Global intraocular inflammation can potentially be staged and scored objectively, continuously, consistently and in a valid manner through the combined processing of SS-OCT scans.
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Affiliation(s)
- Victor Llorenç
- Clínic Institute of Ophthalmology (ICOF) Clínic Hospital of Barcelona Barcelona Spain
- Biomedical Research Institute August Pi i Sunyer (IDIBAPS) Clínic Hospital of Barcelona Barcelona Spain
| | - Alba R. Serrano
- Clínic Institute of Ophthalmology (ICOF) Clínic Hospital of Barcelona Barcelona Spain
| | - Marina Mesquida
- Biomedical Research Institute August Pi i Sunyer (IDIBAPS) Clínic Hospital of Barcelona Barcelona Spain
| | - Phoebe Lin
- Casey Eye Institute Oregon Health & Science University Portland OR USA
| | - Cristina Esquinas
- Vall d'Hebron Research Institute Autonomous University of Barcelona Barcelona Spain
| | - Maite Sainz‐de‐la‐Maza
- Clínic Institute of Ophthalmology (ICOF) Clínic Hospital of Barcelona Barcelona Spain
- Biomedical Research Institute August Pi i Sunyer (IDIBAPS) Clínic Hospital of Barcelona Barcelona Spain
| | - Christina Metea
- Casey Eye Institute Oregon Health & Science University Portland OR USA
| | - Anna Bosch
- Advanced Optical Microscopy Unit. School of Medicine University of Barcelona Barcelona Spain
| | - Maria Calvo
- Advanced Optical Microscopy Unit. School of Medicine University of Barcelona Barcelona Spain
| | - Ariel Balter
- Casey Eye Institute Oregon Health & Science University Portland OR USA
| | - Yukiko Nakamura
- Casey Eye Institute Oregon Health & Science University Portland OR USA
| | - Blanca Molins
- Biomedical Research Institute August Pi i Sunyer (IDIBAPS) Clínic Hospital of Barcelona Barcelona Spain
| | - Carmen Alba
- Clínic Institute of Ophthalmology (ICOF) Clínic Hospital of Barcelona Barcelona Spain
| | - Eric Suhler
- Casey Eye Institute Oregon Health & Science University Portland OR USA
| | - Alfredo Adán
- Clínic Institute of Ophthalmology (ICOF) Clínic Hospital of Barcelona Barcelona Spain
- Biomedical Research Institute August Pi i Sunyer (IDIBAPS) Clínic Hospital of Barcelona Barcelona Spain
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26
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Valente F, Gavara J, Calvo M, Rello P, Maymi M, Barrabes J, Sao-Aviles A, Burcet G, Cuellar H, Otaegui I, Garcia-Blanco B, Ferreira I, Ortiz J, Bodi V, Rodriguez-Palomares JF. Prognostic value of baseline versus 6-month follow infarct size in patients with reperfused STEMI. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Acute infarct size is a predictor of clinical outcomes in acute ST segment elevation myocardial infarction (STEMI) patients, although its prognostic value has differed between studies. In acute STEMI, infarct size is often overestimated due to the presence of extensive myocardial oedema, a confounder that is no longer present at a 6-month follow-up study. It was our purpose to assess whether infarct size in the acute phase or at 6-months follow-up provided superior prognostic information in STEMI patients.
Methods
STEMI patients who underwent successful primary percutaneous revascularization were included and a cardiac magnetic resonance (CMR) was performed between 5–7 days after STEMI and at 6 months to study infarct size (as a % of myocardial mass). The primary endpoint was a composite of cardiovascular mortality, hospitalization for heart failure and ventricular arrhythmia.
Results
A total of 796 patients were included (mean age 58.3±11.5 years, 82.4% male, 52.3% anterior infarction). During a mean follow-up of 59 months, 59 patients (7.4%) presented with the primary end-point (cardiovascular death n=7, hospitalization for heart failure n=52, ventricular arrhythmia n=1). ROC curve analysis (figure 1) showed a non-significant difference between baseline and 6-month infarct size for the prediction of the primary endpoint (baseline AUC 0.685 95% CI 0.610–0.760, 6-month AUC 0.713 95% CI 0.643–0.782, p=0.60). Optimal cut-off values for baseline and 6-months follow-up infarct size for prediction of outcomes, respectively 22% and 17.5%, were used for Kaplan-Meier curve analysis (figure 2).
Conclusion
Infarct size estimated during the first week after STEMI and at 6-months follow-up showed similar predictive value and with similar cut-off values. Therefore, the prognostic information provided by infarct size can be obtained during initial STEMI admission and does not require a waiting period for infarct size stabilization.
Funding Acknowledgement
Type of funding sources: None. ROC curve analysisKaplan-Meier analysis
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Affiliation(s)
- F Valente
- University Hospital Vall d'Hebron, Barcelona, Spain
| | - J Gavara
- Research Foundation Hospital of Valencia (INCLIVA), Valencia, Spain
| | - M Calvo
- Barcelona Hospital Clinic, Cardiology, Barcelona, Spain
| | - P Rello
- University Hospital Vall d'Hebron, Barcelona, Spain
| | - M Maymi
- University Hospital Vall d'Hebron, Barcelona, Spain
| | - J Barrabes
- University Hospital Vall d'Hebron, Barcelona, Spain
| | - A Sao-Aviles
- University Hospital Vall d'Hebron, Barcelona, Spain
| | - G Burcet
- University Hospital Vall d'Hebron, Barcelona, Spain
| | - H Cuellar
- University Hospital Vall d'Hebron, Barcelona, Spain
| | - I Otaegui
- University Hospital Vall d'Hebron, Barcelona, Spain
| | | | - I Ferreira
- University Hospital Vall d'Hebron, Barcelona, Spain
| | - J Ortiz
- Barcelona Hospital Clinic, Cardiology, Barcelona, Spain
| | - V Bodi
- Research Foundation Hospital of Valencia (INCLIVA), Valencia, Spain
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27
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Forés E, Bofill-Mas S, Itarte M, Martínez-Puchol S, Hundesa A, Calvo M, Borrego CM, Corominas LL, Girones R, Rusiñol M. Evaluation of two rapid ultrafiltration-based methods for SARS-CoV-2 concentration from wastewater. Sci Total Environ 2021; 768:144786. [PMID: 33429117 PMCID: PMC7789912 DOI: 10.1016/j.scitotenv.2020.144786] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [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: 11/01/2020] [Revised: 12/21/2020] [Accepted: 12/21/2020] [Indexed: 05/18/2023]
Abstract
Quantitative measurements of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in raw wastewater have been implemented worldwide since the beginning of the pandemic. Recent efforts are being made to evaluate different viral concentration methodologies to overcome supplier shortages during lockdowns. A set of 22-wastewater samples seeded with murine hepatitis virus (MHV), a member of the Coronaviridae family, and the bacteriophage MS2, were used to characterize and compare two ultrafiltration-based methods: a centrifugal ultrafiltration device (Centricon® Plus-70) and the automated concentrating pipette CP-Select™. Based on the recovery efficiencies, significant differences were observed for MHV, with Centricon® Plus-70 (24%) being the most efficient method. Nevertheless, concentrations of naturally occurring SARS-CoV-2, Human adenoviruses and JC polyomaviruses in these samples did not result in significant differences between methods suggesting that testing naturally occurring viruses may complement the evaluation of viral concentration methodologies. Based on the virus adsorption to solids and the necessity of a pre-centrifugation step to remove larger particles and avoid clogging when using ultrafiltration methods, we assessed the percentage of viruses not quantified after ultrafiltration. Around 23% of the detected SARS-CoV-2 would be discarded during the debris removal step. The CP-Select™ provided the highest concentration factor (up to 333×) and the lowest LoD (6.19 × 103 GC/l) for MHV and proved to be fast, automatic, highly reproducible and suitable to work under BSL-2 measures.
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Affiliation(s)
- E Forés
- Section of Microbiology, Virology and Biotechnology, Department of Genetics, Microbiology and Statistics, University of Barcelona, Spain; The Water Institute of the University of Barcelona, Spain
| | - S Bofill-Mas
- Section of Microbiology, Virology and Biotechnology, Department of Genetics, Microbiology and Statistics, University of Barcelona, Spain; The Water Institute of the University of Barcelona, Spain
| | - M Itarte
- Section of Microbiology, Virology and Biotechnology, Department of Genetics, Microbiology and Statistics, University of Barcelona, Spain; The Water Institute of the University of Barcelona, Spain
| | - S Martínez-Puchol
- Section of Microbiology, Virology and Biotechnology, Department of Genetics, Microbiology and Statistics, University of Barcelona, Spain; The Water Institute of the University of Barcelona, Spain
| | - A Hundesa
- Section of Microbiology, Virology and Biotechnology, Department of Genetics, Microbiology and Statistics, University of Barcelona, Spain
| | - M Calvo
- Section of Statistics, Department of Genetics, Microbiology and Statistics, Faculty of Biology, University of Barcelona, Spain
| | - C M Borrego
- Catalan Institute for Water Research (ICRA), Scientific and Technological Park of the University of Girona, Emili Grahit 101, E-17003 Girona, Spain; Group of Molecular Microbial Ecology, Institute of Aquatic Ecology, University of Girona, E-17003 Girona, Spain
| | - L L Corominas
- Catalan Institute for Water Research (ICRA), Scientific and Technological Park of the University of Girona, Emili Grahit 101, E-17003 Girona, Spain; University of Girona, E-17003 Girona, Spain
| | - R Girones
- Section of Microbiology, Virology and Biotechnology, Department of Genetics, Microbiology and Statistics, University of Barcelona, Spain; The Water Institute of the University of Barcelona, Spain
| | - M Rusiñol
- Institute of Environmental Assessment & Water Research (IDAEA), CSIC, Barcelona, Spain.
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Olivera-Valle I, Latorre MC, Calvo M, Gaspar B, Gómez-Oro C, Collazos A, Breton A, Caballero-Campo P, Ardoy M, Asensio F, Sánchez-Mateos P, Pérez-Millan F, Relloso M. Vaginal neutrophils eliminate sperm by trogocytosis. Hum Reprod 2021; 35:2567-2578. [PMID: 33011783 DOI: 10.1093/humrep/deaa198] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [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: 03/02/2020] [Revised: 07/06/2020] [Indexed: 12/12/2022] Open
Abstract
STUDY QUESTION What is the vaginal polymorphonuclear (PMN) spermicidal mechanism to reduce the excess of sperm? SUMMARY ANSWER We show that PMNs are very efficient at killing sperm by a trogocytosis-dependent spermicidal activity independent of neutrophil extracellular traps (NETs). WHAT IS KNOWN ALREADY Trogocytosis has been described as an active membrane exchange between immune cells with a regulatory purpose. Recently, trogocytosis has been reported as a mechanism which PMNs use to kill tumour cells or Trichomonas vaginalis. STUDY DESIGN, SIZE, DURATION We used in vivo murine models and human ex vivo sperm and PMNs to investigate the early PMN-sperm response. PARTICIPANTS/MATERIALS, SETTING, METHODS We set up a live/dead sperm detection system in the presence of PMNs to investigate in vivo and ex vivo PMN-spermicidal activity by confocal microscopy, flow cytometry and computer-assisted sperm analysis (SCA). MAIN RESULTS AND THE ROLE OF CHANCE We revealed that PMNs are highly efficient at killing sperm by way of a NETs-independent, contact-dependent and serine proteases-dependent engulfment mechanism. PMNs 'bite' sperm and quickly reduce sperm motility (within 5 min) and viability (within 20 min) after contact. LARGE SCALE DATA N/A. LIMITATIONS, REASONS FOR CAUTION This study was conducted using murine models and healthy human blood PMNs; whether it is relevant to human vaginal PMNs or to cases of infertility is unknown. WIDER IMPLICATIONS OF THE FINDINGS Vaginal PMNs attack and immobilize excess sperm in the vagina by trogocytosis because sperm are exogenous and may carry pathogens. Furthermore, this mechanism of sperm regulation has low mucosal impact and avoids an exacerbated inflammatory response that could lead to mucosal damage or infertility. STUDY FUNDING/COMPETING INTEREST(S) This work was partially supported by Ministry of Economy and Competitiveness ISCIII-FIS grants, PI16/00050, and PI19/00078, co-financed by ERDF (FEDER) Funds from the European Commission, 'A way of making Europe' and IiSGM intramural grant II-PI-MRC-2017. M.R. holds a Miguel Servet II contract (CPII14/00009). M.C.L. holds IiSGM intramural contract. There are no competing interests.
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Affiliation(s)
- I Olivera-Valle
- Laboratorio de InmunoFisiología, Grupo Fisiopatología de la mujer, del embarazo, parto y puerperio, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - M C Latorre
- Laboratorio de InmunoFisiología, Grupo Fisiopatología de la mujer, del embarazo, parto y puerperio, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - M Calvo
- Laboratorio de InmunoFisiología, Grupo Fisiopatología de la mujer, del embarazo, parto y puerperio, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - B Gaspar
- Laboratorio de InmunoFisiología, Grupo Fisiopatología de la mujer, del embarazo, parto y puerperio, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain.,Servicio de Ginecología, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - C Gómez-Oro
- Laboratorio de InmunoFisiología, Grupo Fisiopatología de la mujer, del embarazo, parto y puerperio, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - A Collazos
- Laboratorio de InmunoFisiología, Grupo Fisiopatología de la mujer, del embarazo, parto y puerperio, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - A Breton
- Laboratorio de InmunoFisiología, Grupo Fisiopatología de la mujer, del embarazo, parto y puerperio, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain.,Servicio de Ginecología, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - P Caballero-Campo
- Departamento de Biología de la Reproducción, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - M Ardoy
- Laboratorio de InmunoFisiología, Grupo Fisiopatología de la mujer, del embarazo, parto y puerperio, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain.,Servicio de Ginecología, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - F Asensio
- Animalario, Unidad de Medicina y Cirugía Experimental, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - P Sánchez-Mateos
- Laboratorio de Inmuno-oncología, Servicio de Inmunologia, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - F Pérez-Millan
- Laboratorio de InmunoFisiología, Grupo Fisiopatología de la mujer, del embarazo, parto y puerperio, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain.,Servicio de Ginecología, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - M Relloso
- Laboratorio de InmunoFisiología, Grupo Fisiopatología de la mujer, del embarazo, parto y puerperio, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
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29
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Calvo M, Guzman J, Perez P, Ortega L, Mendieta G, Lorenzatti D, Perez N, Gavara J, Marcos Garces V, Brugaletta S, Sabate M, Bodi V, Ortiz Perez J. Complete revascularization of non-culprit lesions in stemi is associated with improved myocardial salvage and reduced microvascular obstruction: a cardiac magnetic resonance study. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
The COMPLETE trial showed that routine and complete Percutaneous Coronary Intervention (PCI) of non-infarct related artery (non-IRA) lesions in STEMI was associated with a significant reduction in the rates of death or new myocardial infarction. However, whether this benefit is related to improved myocardial salvage and left ventricular (LV) function is unknown.
Methods
We prospectively included 465 patients with first STEMI reperfused by primary PCI. Late gadolinium-enhanced Cardiac Magnetic Resonance (CMR) was obtained during admission to measure the area at risk (AAR), IRA-infarct size (IS) as % LV mass, and myocardial salvage index (MSI) as % of AAR. The study was repeated in 392 of them at 6 months follow-up to compute LV volumes and ejection fraction (EF).
Results
Patients with three-vessel disease had larger IS than those with two or single vessel disease (25.4±14.5% vs 19.0±13.1% vs 19.0±12.8% LV mass respectively, p<0.05), despite no differences in AAR (33±11% LV mass for all). Accordingly, MSI decreased progressively for one, two or three-vessel disease (42.4±31.4 vs 41.5±30.6 vs 25.1±31.3% AAR respectively, p<0.01). The number of myocardial segments with microvascular obstruction (MVO) was also higher for three-vessel disease (1.9±1.9) than for two (1.1±1.7) or single-vessel disease (1.2±1.8), p<0.05. Mean follow-up EF also decreased progressively with the number of vessels involved (50.7±9.4, 49.1±11.4 and, 44.4±11.2% respectively, p<0.01). A total of 183 patients had multivessel disease. Among them, those with complete revascularization (n=51) had larger MSI (46.4±35.2 vs 34.5±29.3% AAR, p<0.04) and were less likely to have MVO phenomenon (28.6 vs 49.2%, p<0.05). However, no significant differences in the change in EF was observed between both groups (ΔEF:+4.4±6.2 vs +4.3±6.2%, p=0.985 for the interaction).
Conclusion
The presence and extent of multivessel disease influence myocardial salvage and MVO following primary PCI in STEMI. Improvement in myocardial salvage in the IRA territory and a reduction in microvascular obstruction may mediate the beneficial effects of complete revascularization.
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): Fundaciό La Marato TV3 2015303132, FIS PI15/00531. Partially funded with FEDER funds.
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Affiliation(s)
- M Calvo
- Clinic Cardiovascular Institute, Hospital Clinic of Barcelona, IDIBAPS, Barcelona, Spain
| | - J Guzman
- Clinic Cardiovascular Institute, Hospital Clinic of Barcelona, IDIBAPS, Barcelona, Spain
| | - P Perez
- Clinic Cardiovascular Institute, Hospital Clinic of Barcelona, IDIBAPS, Barcelona, Spain
| | - L.G Ortega
- Clinic Cardiovascular Institute, Hospital Clinic of Barcelona, IDIBAPS, Barcelona, Spain
| | - G Mendieta
- Clinic Cardiovascular Institute, Hospital Clinic of Barcelona, IDIBAPS, Barcelona, Spain
| | - D Lorenzatti
- Clinic Cardiovascular Institute, Hospital Clinic of Barcelona, IDIBAPS, Barcelona, Spain
| | - N Perez
- Instituto de Investigacion Sanitaria INCLIVA, Valencia, Spain
| | - J Gavara
- Instituto de Investigacion Sanitaria INCLIVA, Valencia, Spain
| | - V Marcos Garces
- Instituto de Investigacion Sanitaria INCLIVA, Valencia, Spain
| | - S Brugaletta
- Clinic Cardiovascular Institute, Hospital Clinic of Barcelona, IDIBAPS, Barcelona, Spain
| | - M Sabate
- Clinic Cardiovascular Institute, Hospital Clinic of Barcelona, IDIBAPS, Barcelona, Spain
| | - V Bodi
- Instituto de Investigacion Sanitaria INCLIVA, Valencia, Spain
| | - J.T Ortiz Perez
- Clinic Cardiovascular Institute, Hospital Clinic of Barcelona, IDIBAPS, Barcelona, Spain
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30
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Panisello Rosello A, Teixeira da Silva R, Castro C, G. Bardallo R, Calvo M, Folch-Puy E, Carbonell T, Palmeira C, Roselló Catafau J, Adam R. Polyethylene Glycol 35 as a Perfusate Additive for Mitochondrial and Glycocalyx Protection in HOPE Liver Preservation. Int J Mol Sci 2020; 21:E5703. [PMID: 32784882 PMCID: PMC7461048 DOI: 10.3390/ijms21165703] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [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: 07/06/2020] [Revised: 08/03/2020] [Accepted: 08/04/2020] [Indexed: 02/08/2023] Open
Abstract
Organ transplantation is a multifactorial process in which proper graft preservation is a mandatory step for the success of the transplantation. Hypothermic preservation of abdominal organs is mostly based on the use of several commercial solutions, including UW, Celsior, HTK and IGL-1. The presence of the oncotic agents HES (in UW) and PEG35 (in IGL-1) characterize both solution compositions, while HTK and Celsior do not contain any type of oncotic agent. Polyethylene glycols (PEGs) are non-immunogenic, non-toxic and water-soluble polymers, which present a combination of properties of particular interest in the clinical context of ischemia-reperfusion injury (IRI): they limit edema and nitric oxide induction and modulate immunogenicity. Besides static cold storage (SCS), there are other strategies to preserve the organ, such as the use of machine perfusion (MP) in dynamic preservation strategies, which increase graft function and survival as compared to the conventional static hypothermic preservation. Here we report some considerations about using PEG35 as a component of perfusates for MP strategies (such as hypothermic oxygenated perfusion, HOPE) and its benefits for liver graft preservation. Improved liver preservation is closely related to mitochondria integrity, making this organelle a good target to increase graft viability, especially in marginal organs (e.g., steatotic livers). The final goal is to increase the pool of suitable organs, and thereby shorten patient waiting lists, a crucial problem in liver transplantation.
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Affiliation(s)
- Arnau Panisello Rosello
- Experimental Hepatic Ischemia-Reperfusion Unit, Institut d’Investigacions Biomèdiques de Barcelona (IIBB), Spanish National Research Council (CSIC)-IDIBAPS, CIBEREHD, 08036 Barcelona, Catalonia, Spain; (A.P.R.); (R.T.d.S.); (E.F.-P.)
- Centre Hépato-Biliaire, AP-PH, Hôpital Paul Brousse, 94800 Villejuif, France; (C.C.); (R.A.)
| | - Rui Teixeira da Silva
- Experimental Hepatic Ischemia-Reperfusion Unit, Institut d’Investigacions Biomèdiques de Barcelona (IIBB), Spanish National Research Council (CSIC)-IDIBAPS, CIBEREHD, 08036 Barcelona, Catalonia, Spain; (A.P.R.); (R.T.d.S.); (E.F.-P.)
- Center for Neuroscience and Cell Biology, Universidade Coimbra, 3000-370 Coimbra, Portugal;
| | - Carlos Castro
- Centre Hépato-Biliaire, AP-PH, Hôpital Paul Brousse, 94800 Villejuif, France; (C.C.); (R.A.)
| | - Raquel G. Bardallo
- Department of Cell Biology, Physiology and Immunology, Universitat de Barcelona, 08028 Barcelona, Catalonia, Spain; (R.G.B.); (T.C.)
| | - Maria Calvo
- Serveis Cientifico Tècnics, 08036-Campus Hospital Clínic, Universitat de Barcelona, 08919 Barcelona, Catalonia, Spain;
| | - Emma Folch-Puy
- Experimental Hepatic Ischemia-Reperfusion Unit, Institut d’Investigacions Biomèdiques de Barcelona (IIBB), Spanish National Research Council (CSIC)-IDIBAPS, CIBEREHD, 08036 Barcelona, Catalonia, Spain; (A.P.R.); (R.T.d.S.); (E.F.-P.)
| | - Teresa Carbonell
- Department of Cell Biology, Physiology and Immunology, Universitat de Barcelona, 08028 Barcelona, Catalonia, Spain; (R.G.B.); (T.C.)
| | - Carlos Palmeira
- Center for Neuroscience and Cell Biology, Universidade Coimbra, 3000-370 Coimbra, Portugal;
| | - Joan Roselló Catafau
- Experimental Hepatic Ischemia-Reperfusion Unit, Institut d’Investigacions Biomèdiques de Barcelona (IIBB), Spanish National Research Council (CSIC)-IDIBAPS, CIBEREHD, 08036 Barcelona, Catalonia, Spain; (A.P.R.); (R.T.d.S.); (E.F.-P.)
| | - René Adam
- Centre Hépato-Biliaire, AP-PH, Hôpital Paul Brousse, 94800 Villejuif, France; (C.C.); (R.A.)
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31
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Martinez NW, Sánchez A, Diaz P, Broekhuizen R, Godoy J, Mondaca S, Catenaccio A, Macanas P, Nervi B, Calvo M, Court FA. Metformin protects from oxaliplatin induced peripheral neuropathy in rats. Neurobiol Pain 2020; 8:100048. [PMID: 32490289 PMCID: PMC7260677 DOI: 10.1016/j.ynpai.2020.100048] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 04/20/2020] [Accepted: 05/12/2020] [Indexed: 12/14/2022]
Abstract
After oxaliplatin treatment rats developed mechanical and cold hyperalgesia. We observed intraepidermal nerve fiber degeneration, and mild spinal cord gliosis. Co treatment with Metformin could prevent all these pathological outcomes. This suggests metformin as a candidate drug to prevent oxaliplatin-induced neuropathy.
Oxaliplatin is a commonly used drug to treat cancer, extending the rate of disease-free survival by 20% in colorectal cancer. However, oxaliplatin induces a disabling form of neuropathy resulting in more than 60% of patients having to reduce or discontinue oxaliplatin, negatively impacting their chance of survival. Oxaliplatin-induced neuropathies are accompanied by degeneration of sensory fibers in the epidermis and hyperexcitability of sensory neurons. These morphological and functional changes have been associated with sensory symptoms such as dysesthesia, paresthesia and mechanical and cold allodynia. Various strategies have been proposed to prevent or treat oxaliplatin-induced neuropathies without success. The anti-diabetic drug metformin has been recently shown to exert neuroprotection in other chemotherapy-induced neuropathies, so here we aimed to test if metformin can prevent the development of oxaliplatin-induced neuropathy in a rat model of this condition. Animals treated with oxaliplatin developed significant intraepidermal fiber degeneration, a mild gliosis in the spinal cord, and mechanical and cold hyperalgesia. The concomitant use of metformin prevented degeneration of intraepidermal fibers, gliosis, and the altered sensitivity. Our evidence further supports metformin as a new approach to prevent oxaliplatin-induced neuropathy with a potential important clinical impact.
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Affiliation(s)
- N W Martinez
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor de Chile, Santiago 8580745, Chile.,Department of Physiology, Faculty of Biology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - A Sánchez
- Department of Physiology, Faculty of Biology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - P Diaz
- Department of Physiology, Faculty of Biology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - R Broekhuizen
- Department of Hematology and Oncology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - J Godoy
- Department of Neurology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - S Mondaca
- Department of Hematology and Oncology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - A Catenaccio
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor de Chile, Santiago 8580745, Chile
| | - P Macanas
- Department of Hematology and Oncology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - B Nervi
- Department of Hematology and Oncology, Pontificia Universidad Católica de Chile, Santiago, Chile.,Millennium Institute on Immunology and Immunotherapy, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - M Calvo
- Department of Physiology, Faculty of Biology, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - F A Court
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor de Chile, Santiago 8580745, Chile.,FONDAP Center for Geroscience, Brain Health and Metabolism, Santiago 8580745, Chile.,Buck Institute for Research on Ageing, Novato, San Francisco, CA 94945, USA
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32
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Bastarrika G, Ezponda A, García Baizan A, Calvo M, Pueyo J, Gavira J, Caballeros M. Safety of regadenoson for vasodilation in cardiac MRI stress tests. Radiología (English Edition) 2020. [DOI: 10.1016/j.rxeng.2020.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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33
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Peretto N, Rigby A, Adam R, Ade P, André P, Andrianasolo A, Aussel H, Bacmann A, Beelen A, Benoît A, Bideaud A, Bourrion O, Calvo M, Catalano A, Comis B, De Petris M, Désert FX, Doyle S, Driessen E, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez J, Mauskopf P, Mayet F, Monfardini A, Motte F, Perotto L, Pisano G, Ponthieu N, Revéret V, Ristorcelli I, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Zylka R. GASTON: Galactic Star Formation with NIKA2 A new population of cold massive sources discovered. EPJ Web Conf 2020. [DOI: 10.1051/epjconf/202022800018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Understanding where and when the mass of stars is determined is one of the fundamental, mostly unsolved, questions in astronomy. Here, we present the first results of GASTON, the Galactic Star Formation with NIKA2 large programme on the IRAM 30m telescope, that aims to identify new populations of low-brightness sources to tackle the question of stellar mass determination across all masses. In this paper, we focus on the high-mass star formation part of the project, for which we map a ~ 2 deg2 region of the Galactic plane around l = 24° in both 1.2 mm and 2.0 mm continuum. Half-way through the project, we reach a sensitivity of 3.7 mJy/beam at 1.2mm. Even though larger than our target sensitivity of 2 mJy, the current sensitivity already allows the identification of a new population of cold, compact sources that remained undetected in any (sub-)mm Galactic plane survey so far. In fact, about 25% of the ~ 1600 compact sources identified in the 1.2mm GASTON image are new detections. We present a preliminary analysis of the physical properties of the GASTON sources as a function of their evolutionary stage, arguing for a potential evolution of the mass distribution of these sources with time.
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Fasano A, Aguiar M, Benoit A, Bideaud A, Bourrion O, Calvo M, Catalano A, de Taoro A, Garde G, Gomez A, Gomez Renasco M, Goupy J, Hoarau C, Hoyland R, Macías-Pérez J, Marpaud J, Monfardini A, Pisano G, Ponthieu N, Rubiño Martín J, Tourres D, Tucker C, Beelen A, Bres G, De Petris M, de Bernardis P, Lagache G, Marton M, Rebolo R, Roudier S. KISS: a spectrometric imager for millimetre cosmology. EPJ Web Conf 2020. [DOI: 10.1051/epjconf/202022800010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Clusters of galaxies are used to map the large-scale structures in the universe and as probe of universe evolution. They can be observed through the Sunyaev-Zel’dovich (SZ) effect. In this respect the spectro-imaging at low resolution frequency is an important tool, today, for the study of cluster of galaxies. We have developed KISS (KIDs Interferometer Spectrum Survey), a spectrometric imager dedicated to the secondary anisotropies of the Cosmic Microwave Background (CMB). The multi-frequency approach permits to improve the component separation with respect to predecessor experiments. In this paper, firstly, we provide a description of the scientific context and the state of the art of SZ observations. Secondly, we describe the KISS instrument. Finally, we show preliminary results of the ongoing commissioning campaign.
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Mayet F, Adam R, Ade P, André P, Andrianasolo A, Arnaud M, Aussel H, Bartalucci I, Beelen A, Benoît A, Bideaud A, Bourrion O, Calvo M, Catalano A, Comis B, De Petris M, Désert FX, Doyle S, Driessen E, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez J, Mauskopf P, Monfardini A, Perotto L, Pisano G, Pointecouteau E, Ponthieu N, Pratt G, Revéret V, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Zylka R. Cluster cosmology with the NIKA2 SZ Large Program. EPJ Web Conf 2020. [DOI: 10.1051/epjconf/202022800017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The main limiting factor of cosmological analyses based on thermal Sunyaev-Zel’dovich (SZ) cluster statistics comes from the bias and systematic uncertainties that affect the estimates of the mass of galaxy clusters. High-angular resolution SZ observations at high redshift are needed to study a potential redshift or morphology dependence of both the mean pressure profile and of the mass-observable scaling relation used in SZ cosmological analyses. The NIKA2 camera is a new generation continuum instrument installed at the IRAM 30-m telescope. With a large field of view, a high angular resolution and a high-sensitivity, the NIKA2 camera has unique SZ mapping capabilities. In this paper, we present the NIKA2 SZ large program, aiming at observing a large sample of clusters at redshifts between 0.5 and 0.9, and the characterization of the first cluster oberved with NIKA2.
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Ruppin F, Adam R, Ade P, André P, Andrianasolo A, Arnaud M, Aussel H, Bartalucci I, Bautz M, Beelen A, Benoît A, Bideaud A, Bourrion O, Brodwin M, Calvo M, Catalano A, Comis B, Decker B, De Petris M, Désert FX, Doyle S, Driessen EFC, Eisenhardt PRM, Gomez A, Gonzalez AH, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez J, Mauskopf P, Mayet F, McDonald M, Monfardini A, Moravec E, Perotto L, Pisano G, Pointecouteau E, Ponthieu N, Pratt GW, Revéret V, Ritacco A, Romero C, Roussel H, Schuster K, Shu S, Sievers A, Stanford SA, Stern D, Tucker C, Zylka R. Mapping the gas thermodynamic properties of the massive cluster merger MOO J1142+1527 at z = 1.2. EPJ Web Conf 2020. [DOI: 10.1051/epjconf/202022800026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
We present the results of the analysis of the very massive cluster MOO J1142+1527 at a redshift z = 1.2 based on high angular resolution NIKA2 Sunyaev-Zel’dovich (SZ) andChandraX-ray data. This multi-wavelength analysis enables us to estimate the shape of the temperature profile with unprecedented precision at this redshift and to obtain a map of the gas entropy distribution averaged along the line of sight. The comparison between the cluster morphological properties observed in the NIKA2 andChandramaps together with the analysis of the entropy map allows us to conclude that MOOJ1142+1527 is an on-going merger hosting a cool-core at the position of the X-ray peak. This work demonstrates how the addition of spatially-resolved SZ observations to low signal-to-noise X-ray data can bring valuable insights on the intracluster medium thermodynamic properties atz>1.
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Ritacco A, Adam R, Ade P, Ajeddig H, André P, Andrianasolo A, Aussel H, Beelen A, Benoît A, Bideaud A, Bourrion O, Calvo M, Catalano A, Comis B, De Petris M, Désert FX, Doyle S, Driessen E, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez J, Mauskopf P, Maury A, Mayet F, Monfardini A, Perotto L, Pisano G, Ponthieu N, Revéret V, Romero C, Roussel H, Ruppin F, Schuster K, Shimajiri Y, Shu S, Sievers A, Tucker C, Zylka R. Observing with NIKA2Pol from the IRAM 30m telescope : Early results on the commissioning phase. EPJ Web Conf 2020. [DOI: 10.1051/epjconf/202022800022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The NIKA2 polarization channel at 260 GHz (1.15 mm) has been proposed primarily to observe galactic star-forming regions and probe the critical scales between 0.01-0.05 pc at which magnetic field lines may channel the matter of interstellar filaments into growing dense cores. The NIKA2 polarime-ter consists of a room temperature continuously rotating multi-mesh HWP and a cold polarizer that separates the two orthogonal polarizations onto two 260 GHz KIDs arrays. We describe in this paper the preliminary results obtained during the most recent commissioning campaign performed in December 2018. We concentrate here on the analysis of the extended sources, while the observation of compact sources is presented in a companion paper [12]. We present preliminary NIKA2 polarization maps of the Crab nebula. We find that the integrated polarization intensity flux measured by NIKA2 is consistent with expectations. In terms of polarization angle, we are still limited by systematic uncertainties that will be further investigated in the forthcoming commissioning campaigns.
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Ajeddig H, Adam R, Ade P, André P, Andrianasolo A, Aussel H, Beelen A, Benoît A, Bideaud A, Bourrion O, Calvo M, Catalano A, Comis B, De Petris M, Désert FX, Doyle S, Driessen E, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez J, Maury A, Mauskopf P, Mayet F, Monfardini A, Perotto L, Pisano G, Ponthieu N, Revéret V, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shimajiri Y, Shu S, Sievers A, Tucker C, Zylka R. Preliminary results on the instrumental polarization of NIKA2-Pol at the IRAM 30m telescope. EPJ Web Conf 2020. [DOI: 10.1051/epjconf/202022800002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Clarifying the role of magnetic fields in the star formation process is crucial. Observations have already shown that magnetic fields play an important role in the early stages of star formation. The high spatial resolution (∼0.01 to 0.05 pc) provided by NIKA2-Pol 1.2 mm imaging polarimetry of nearby clouds will help us clarify the geometry of the B-field within dense cores and molecular filaments as part of the IRAM 30m large program B-FUN. There are numerous challenging issues in the validation of NIKA2-Pol such as the calibration of instrumental polarization. The commissioning phase of NIKA2-Pol is underway and is helping us characterize the intensity-to-polarization “leakage” pattern of the instrument. We present a preliminary analysis of the leakage pattern and its dependence with elevation. We also present the current leakage correction made possible by the NIKA2 pipeline in polarization mode based on the NIKA2-Pol commissioning data taken in December 2018. Based on reduced Stokes I, Q, U data we find that the leakage pattern of NIKA2-Pol depends on elevation and is sensitive to the focus of the telescope.
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Lestrade JF, Augereau JC, Booth M, Adam R, Ade P, André P, Andrianasolo A, Aussel H, Beelen A, Benoît A, Bideaud A, Bourrion O, Calvo M, Catalano A, Comis B, De Petris M, Désert FX, Doyle S, Driessen E, Gomez A, Goupy J, Holland W, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lefèvre C, Macías-Pérez J, Mauskopf P, Mayet F, Monfardini A, Perotto L, Pisano G, Ponthieu N, Revéret V, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Thébault P, Tucker C, Zylka R. Debris disks around stars in the NIKA2 era. EPJ Web Conf 2020. [DOI: 10.1051/epjconf/202022800015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The new NIKA2 camera at the IRAM 30m radiotelescope was used to observe three known debris disks in order to constrain the SED of their dust emission in the millimeter wavelength domain. We have found that the spectral index between the two NIKA2 bands (1mm and 2mm) is consistent with the Rayleigh-Jeans regime (λ-2), unlike the steeper spectra (λ-3) measured in the submillimeter-wavelength domain for two of the three disks - around the stars Vega and HD107146. We provide a succesful proof of concept to model this spectral inversion in using two populations of dust grains, those smaller and those larger than a grain radius a0 of 0.5mm. This is obtained in breaking the slope of the size distribution and the functional form of the absorption coefficient of the standard model. The third disk - around the star HR8799 - does not exhibit this spectral inversion but is also the youngest.
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Roussel H, Ponthieu N, Adam R, Ade P, André P, Andrianasolo A, Aussel H, Beelen A, Benoît A, Bideaud A, Bourrion O, Calvo M, Catalano A, Comis B, De Petris M, Désert FX, Doyle S, Driessen EFC, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez J, Mauskopf P, Mayet F, Monfardini A, Perotto L, Pisano G, Revéret V, Ritacco A, Romero C, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Zylka R. NIKA2 mapping and cross-instrument SED extraction of extended sources with Scanamorphos. EPJ Web Conf 2020. [DOI: 10.1051/epjconf/202022800024] [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] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The steps taken to tailor to NIKA2 observations the Scanamorphos algorithm (initially developed to subtract low-frequency noise from Herschel on-the-fly observations) are described, focussing on the consequences of the different instrument architecture and observation strategy. The method, making the most extensive use of the redundancy built in the multi-scan coverage with large arrays of a given region of the sky, is applicable to extended sources, while the pipeline is so far optimized for compact sources. An example of application is given. A related tool to build consistent broadband SEDs from 60 microns to 2 mm, combining Herschel and NIKA2 data, has also been developed. Its main task is to process the data least affected by low-frequency noise and coverage limitations (i.e. the Herschel data) through the same transfer function as the NIKA2 data, simulating the same scan geometry and applying the same noise and atmospheric signal as extracted from the 1mm and 2mm data.
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Ritacco A, Adam R, Ade P, André P, Andrianasolo A, Aussel H, Beelen A, Benoît A, Bideaud A, Bourrion O, Calvo M, Catalano A, Comis B, De Petris M, Désert FX, Doyle S, Driessen E, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez J, Mauskopf P, Maury A, Mayet F, Monfardini A, Perotto L, Pisano G, Ponthieu N, Revéret V, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Zylka R. The NIKA polarimeter on science targets: Crab nebula observations at 150 GHz and dual-band polarization images of Orion Molecular Cloud OMC-1. EPJ Web Conf 2020. [DOI: 10.1051/epjconf/202022800021] [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] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
We present here the polarization system of the NIKA camera and give a summary of the main results obtained and performed studies on Orion and the Crab nebula. The polarization system was equipped with a room temperature continuously rotating multi-mesh half wave plate and a grid polarizer facing the NIKA cryostat window. NIKA even though less sensitive than NIKA2 had polarization capability in both 1 and 2 millimiter bands. NIKA polarization observations demonstrated the ability of such a technology in detecting the polarization of different targets, compact and extended sources like the Crab nebula and Orion Molecular Cloud region OMC-1. These measurements together with the developed techniques to deal with systematics, opened the way to the current observations of NIKA2 in polarization that will provide important advances in the studies of galactic and extra-galactic emission and magnetic fields.
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Macías-Pérez J, Adam R, Ade P, André P, Andrianasolo A, Aussel H, Arnaud M, Bartalucci I, Beelen A, Benoît A, Bideaud A, Bourrion O, Calvo M, Catalano A, Comis B, De Petris M, Désert FX, Doyle S, Driessen E, Gomez A, Goupy J, Kéruzoré F, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Mauskopf P, Mayet F, Monfardini A, Perotto L, Pisano G, Pointecouteau E, Ponthieu N, Pratt G, Revéret V, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Zylka R. NIKA: a mm camera for Sunyaev-Zel’dovich science in clusters of galaxies. EPJ Web Conf 2020. [DOI: 10.1051/epjconf/202022800016] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Clusters of galaxies, the largest bound objects in the Universe, constitute a cosmological probe of choice, which is sensitive to both dark matter and dark energy. Within this framework, the Sunyaev-Zel’dovich (SZ) effect has opened a new window for the detection of clusters of galaxies and for the characterization of their physical properties such as mass, pressure and temperature. NIKA, a KID-based dual band camera installed at the IRAM 30-m telescope, was particularly well adapted in terms of frequency, angular resolution, field-of-view and sensitivity, for the mapping of the thermal and kinetic SZ effect in high-redshift clusters. In this paper, we present the NIKA cluster sample and a review of the main results obtained via the measurement of the SZ effect on those clusters: reconstruction of the cluster radial pressure profile, mass, temperature and velocity.
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Kéruzoré F, Adam R, Ade P, André P, Andrianasolo A, Arnaud M, Aussel H, Bartalucci I, Beelen A, Benoît A, Bideaud A, Bourrion O, Calvo M, Catalano A, Comis B, De Petris M, Désert FX, Doyle S, Driessen E, Gomez A, Goupy J, Kramer C, Ladjelate B, Lagache G, Leclercq S, Lestrade JF, Macías-Pérez J, Mauskopf P, Mayet F, Monfardini A, Perotto L, Pisano G, Pointecouteau E, Ponthieu N, Pratt G, Revéret V, Ritacco A, Romero C, Roussel H, Ruppin F, Schuster K, Shu S, Sievers A, Tucker C, Zylka R. A low-mass galaxy cluster as a test-case study for the NIKA2 SZ Large Program. EPJ Web Conf 2020. [DOI: 10.1051/epjconf/202022800012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
High-resolution mapping of the hot gas in galaxy clusters is a key tool for cluster-based cosmological analyses. Taking advantage of the NIKA2 millimeter camera operated at the IRAM 30-m telescope, the NIKA2 SZ Large Program seeks to get a high-resolution follow-up of 45 galaxy clusters covering a wide mass range at high redshift in order to re-calibrate some of the tools needed for the cosmological exploitation of SZ surveys. We present the second cluster analysis of this program, targeting one of the faintest sources of the sample in order to tackle the difficulties in data reduction for such faint, low-SNR clusters. In this study, the main challenge is the precise estimation of the contamination by sub-millimetric point sources, which greatly affects the tSZ map of the cluster. We account for this contamination by performing a joint fit of the SZ signal and of the flux density of the compact sources. A prior knowledge of these fluxes is given by the adjustment of the SED of each source using data from both NIKA2 and the Herschel satellite. The first results are very promising and demonstrate the possibility to estimate thermodynamic properties with NIKA2, even in a compact cluster heavily contaminated by point sources.
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Bastarrika G, Ezponda A, Baizan AG, Calvo M, Pueyo JC, Gavira JJ, Caballeros M. Safety of regadenoson for vasodilation in cardiac MRI stress tests. Radiologia (Engl Ed) 2019; 62:213-221. [PMID: 31862182 DOI: 10.1016/j.rx.2019.11.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [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: 09/12/2018] [Revised: 09/09/2019] [Accepted: 11/04/2019] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To determine the safety of regadenoson for vasodilation in cardiac MRI stress tests to detect myocardial ischemia. MATERIAL AND METHODS We retrospectively analyzed cardiac MRI studies done in 120 patients (mean age, 67±11.6 years; 88 men) with suspected ischemic heart disease or known coronary disease who had clinical indications for cardiac MRI stress tests. All studies were done on a 1.5 T scanner (MAGNETOM Aera, Siemens Healthineers) using regadenoson (5ml, 0.4mg) for vasodilation. We recorded cardiovascular risk factors, medications, and indications for the test as well as vital signs at rest and under stress and the symptoms and adverse effects induced by the drug. RESULTS No symptoms developed in 52.6% of patients. The most common symptoms were central chest pain (25%) and dyspnea (12%). At peak stress, the mean increase in heart rate was 23.9±11.4 beats per minute and the mean decreases in systolic and diastolic blood pressure were 7.1±18.8mmHg and 5.3±9.2mmHg, respectively (p <0.001). The response to regadenoson was less pronounced in obese and diabetic patients. The increase in heart rate was greater in symptomatic patients (27.4±11.2 bpm vs. 20.6±10.7 bpm in asymptomatic patients, p=0.001). No severe adverse effects were observed. CONCLUSION Regadenoson is well tolerated and can be safely used for cardiac MRI stress tests.
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Affiliation(s)
- G Bastarrika
- Servicio de Radiología, Clínica Universidad de Navarra, Pamplona. Navarra, España.
| | - A Ezponda
- Servicio de Radiología, Clínica Universidad de Navarra, Pamplona. Navarra, España
| | - A García Baizan
- Servicio de Radiología, Clínica Universidad de Navarra, Pamplona. Navarra, España
| | - M Calvo
- Servicio de Radiología, Clínica Universidad de Navarra, Pamplona. Navarra, España
| | - J C Pueyo
- Servicio de Radiología, Clínica Universidad de Navarra, Pamplona. Navarra, España
| | - J J Gavira
- Departamento de Cardiología, Clínica Universidad de Navarra, Pamplona. Navarra, España
| | - M Caballeros
- Servicio de Radiología, Clínica Universidad de Navarra, Madrid, España
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del Carpio L, Calvo M, Hormigo G, Serra À, Losa F, Galán M. A multicenter Spanish retrospective study of platinum-based chemotherapy sensitivity in the first line setting after relapse from perioperative platinum based chemotherapy in gastric cancer. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Serra O, Galán M, Ginesta MM, Calvo M, Sala N, Salazar R. Comparison and applicability of molecular classifications for gastric cancer. Cancer Treat Rev 2019; 77:29-34. [PMID: 31195213 DOI: 10.1016/j.ctrv.2019.05.005] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [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: 03/04/2019] [Revised: 05/20/2019] [Accepted: 05/21/2019] [Indexed: 02/06/2023]
Abstract
Gastric Cancer (GC) is a complex and heterogeneous disease, which represents a global health concern. Despite advances in prevention, diagnosis, and therapy, GC is still a leading cause of cancer-related death. Over the last decade, several clinical trials have tested novel agents for advanced GC with mostly disappointing results. Heterogeneity, the absence of molecular selection in clinical trials and powerless predictive biomarkers may be potential explanations. Different molecular classification proposals for GC based on the genetic, epigenetic, and molecular signatures have been published. Molecular characterization of GC may offer new tools for more effective therapeutic strategies, such as the development of therapies for specifically well-defined sets of patients as well as the use of new clinical trial designs, which will ultimately lead to an improvement of medical management of this disease. However, the possibilities of implementation of GC molecular classifications on daily practice and their therapeutic implications remain challenging to date. In this review, we will describe and compare these GC molecular classifications, focusing on their main characteristics as the basis for their potential therapeutic implications and strategies for their clinical application. Key Message: A better understanding of gastric cancer molecular characteristics may lead to further improvements in treatment and outcomes for patients with the disease.
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Affiliation(s)
- O Serra
- Department of Medical Oncology, Catalan Institute of Oncology (ICO), Hospital Duran y Reynals, Hospitalet de Llobregat, Barcelona, Spain; Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL) - University of Barcelona, Hospital Duran y Reynals, Hospitalet de Llobregat, Barcelona, Spain; Gastroesophageal Tumors Functional Unit (UTEG), Catalan Institute of Oncology (ICO) - Hospital Universitari de Bellvitge (HUB), Hospitalet de Llobregat, Barcelona, Spain.
| | - M Galán
- Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL) - University of Barcelona, Hospital Duran y Reynals, Hospitalet de Llobregat, Barcelona, Spain; Gastroesophageal Tumors Functional Unit (UTEG), Catalan Institute of Oncology (ICO) - Hospital Universitari de Bellvitge (HUB), Hospitalet de Llobregat, Barcelona, Spain
| | - M M Ginesta
- Translational Research Laboratory, Catalan Insitute of Oncology (ICO), Hospital Duran y Reynals, Hospitalet de Llobregat, Barcelona, Spain; Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL) - University of Barcelona, Hospital Duran y Reynals, Hospitalet de Llobregat, Barcelona, Spain; CIBERONC Centro de Investigación Biomédica en Red Cáncer, Spain
| | - M Calvo
- Department of Medical Oncology, Catalan Institute of Oncology (ICO), Hospital Duran y Reynals, Hospitalet de Llobregat, Barcelona, Spain; Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL) - University of Barcelona, Hospital Duran y Reynals, Hospitalet de Llobregat, Barcelona, Spain; Gastroesophageal Tumors Functional Unit (UTEG), Catalan Institute of Oncology (ICO) - Hospital Universitari de Bellvitge (HUB), Hospitalet de Llobregat, Barcelona, Spain
| | - N Sala
- Unit of Nutrition and Cancer, Cancer Epidemiology Research Program and Translational Research Laboratory, Catalan Institute of Oncology (ICO) - Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
| | - R Salazar
- Department of Medical Oncology, Catalan Institute of Oncology (ICO), Hospital Duran y Reynals, Hospitalet de Llobregat, Barcelona, Spain; Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL) - University of Barcelona, Hospital Duran y Reynals, Hospitalet de Llobregat, Barcelona, Spain; CIBERONC Centro de Investigación Biomédica en Red Cáncer, Spain
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Abstract
Mitochondria are dynamic organelles that in most cells behave as a dynamic network and can change their biogenesis and structure depending on the cell needs or as a response to different conditions. Analyzing the architecture of mitochondria is determinant to describe their state and function. In this chapter, image processing techniques are applied in a workflow manner to segment the mitochondrial network and extract the most relevant parameters that enable an accurate morphology analysis. This workflow is programmed with ImageJ macro language and can be applied to automatically analyze multiple cells from multiple images or tiles. When combined with multiwell plates and automated microscopy, this method may allow to perform high content image analysis of hundreds of cells under different conditions.
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Affiliation(s)
- Anna Bosch
- Scientific and Technological Centers (CCiTUB), Universitat de Barcelona, Barcelona, Spain
| | - Maria Calvo
- Advanced Optical Microscopy Facility, Scientific and Technological Centers of University of Barcelona, University of Barcelona, Barcelona, Spain.
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48
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Maleeva N, Grünhaupt L, Klein T, Levy-Bertrand F, Dupre O, Calvo M, Valenti F, Winkel P, Friedrich F, Wernsdorfer W, Ustinov AV, Rotzinger H, Monfardini A, Fistul MV, Pop IM. Circuit quantum electrodynamics of granular aluminum resonators. Nat Commun 2018; 9:3889. [PMID: 30250205 PMCID: PMC6155321 DOI: 10.1038/s41467-018-06386-9] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Accepted: 08/31/2018] [Indexed: 11/09/2022] Open
Abstract
Granular aluminum (grAl) is a promising high kinetic inductance material for detectors, amplifiers, and qubits. Here we model the grAl structure, consisting of pure aluminum grains separated by thin aluminum oxide barriers, as a network of Josephson junctions, and we calculate the dispersion relation and nonlinearity (self-Kerr and cross-Kerr coefficients). To experimentally study the electrodynamics of grAl thin films, we measure microwave resonators with open-boundary conditions and test the theoretical predictions in two limits. For low frequencies, we use standard microwave reflection measurements in a low-loss environment. The measured low-frequency modes are in agreement with our dispersion relation model, and we observe self-Kerr coefficients within an order of magnitude from our calculation starting from the grAl microstructure. Using a high-frequency setup, we measure the plasma frequency of the film around 70 GHz, in agreement with the analytical prediction.
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Affiliation(s)
- N Maleeva
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Str. 1, 76131, Karlsruhe, Germany
| | - L Grünhaupt
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Str. 1, 76131, Karlsruhe, Germany
| | - T Klein
- Universite Grenoble Alpes, Institut NEEL, 25 rue des Martyrs BP 166, F-3800, Grenoble, France
- CNRS, Institut NEEL, 25 rue des Martyrs BP 166, F-3800, Grenoble, France
| | - F Levy-Bertrand
- Universite Grenoble Alpes, Institut NEEL, 25 rue des Martyrs BP 166, F-3800, Grenoble, France
- CNRS, Institut NEEL, 25 rue des Martyrs BP 166, F-3800, Grenoble, France
| | - O Dupre
- Universite Grenoble Alpes, Institut NEEL, 25 rue des Martyrs BP 166, F-3800, Grenoble, France
- CNRS, Institut NEEL, 25 rue des Martyrs BP 166, F-3800, Grenoble, France
| | - M Calvo
- Universite Grenoble Alpes, Institut NEEL, 25 rue des Martyrs BP 166, F-3800, Grenoble, France
- CNRS, Institut NEEL, 25 rue des Martyrs BP 166, F-3800, Grenoble, France
| | - F Valenti
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Str. 1, 76131, Karlsruhe, Germany
| | - P Winkel
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Str. 1, 76131, Karlsruhe, Germany
| | - F Friedrich
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Str. 1, 76131, Karlsruhe, Germany
| | - W Wernsdorfer
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Str. 1, 76131, Karlsruhe, Germany
- CNRS, Institut NEEL, 25 rue des Martyrs BP 166, F-3800, Grenoble, France
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76344, Eggenstein Leopoldshafen, Germany
| | - A V Ustinov
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Str. 1, 76131, Karlsruhe, Germany
- Russian Quantum Center, National University of Science and Technology MISIS, Leninskiy prsp., 4, 119049, Moscow, Russia
| | - H Rotzinger
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Str. 1, 76131, Karlsruhe, Germany
| | - A Monfardini
- Universite Grenoble Alpes, Institut NEEL, 25 rue des Martyrs BP 166, F-3800, Grenoble, France
- CNRS, Institut NEEL, 25 rue des Martyrs BP 166, F-3800, Grenoble, France
| | - M V Fistul
- Russian Quantum Center, National University of Science and Technology MISIS, Leninskiy prsp., 4, 119049, Moscow, Russia
- Center for Theoretical Physics of Complex Systems, Institute for Basic Science, Expo-ro 55, Yuseong-gu, 34051, Daejeon, Republic of Korea
| | - I M Pop
- Physikalisches Institut, Karlsruhe Institute of Technology, Wolfgang-Gaede-Str. 1, 76131, Karlsruhe, Germany.
- Institute of Nanotechnology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein Leopoldshafen, Germany.
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49
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Calvo M, Le Rolle V, Romero D, Béhar N, Gomis P, Mabo P, Hernández AI. Heart rate differences between symptomatic and asymptomatic Brugada syndrome patients at night. Physiol Meas 2018; 39:065002. [PMID: 29767628 DOI: 10.1088/1361-6579/aac550] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Ventricular arrhythmias in Brugada syndrome (BS) mainly occur at rest, especially during nighttime, suggesting that parasympathetic activity at night may play an important role in the arrhythmogenesis of the disease. This study examined and compared the autonomic function of symptomatic and asymptomatic BS patients overnight. APPROACH We analyzed various heart rate variability (HRV) and heart rate complexity (HRC) markers in a clinical series including 87 BS patients, where 23 were symptomatic. MAIN RESULTS Statistically significant differences were found in markers MIRR, SDNN, SDANN, [Formula: see text] and SampEn, suggesting that symptomatic patients may be related to lower heart rate variability and complexity values, as well as to greater circadian fluctuations overnight. SIGNIFICANCE The results provide further evidence for the role of autonomic imbalance in the pathophysiology of BS, highlighting the relevance of nighttime analysis to the unmasking of significant ANS changes. Based on these outcomes, the role of HRV and HRC assessment at night could be a step forward towards the understanding of BS and the risk for the occurrence of symptoms in these patients, with a potential future impact on therapeutic strategies.
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Affiliation(s)
- M Calvo
- Univ Rennes, CHU Rennes, Inserm, LTSI-UMR 1099, F-35000, Rennes, France. Dept ESAII, CREB, Universitat Politècnica de Catalunya, E-08028, Barcelona, Spain
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50
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Jimenez Hernandez M, Soriano A, Maduell F, Filella X, Calvo M, Nestor F. FP576LOCKING SOLUTIONS IMPACT ON BIOFILM FORMATION IN TUNNELED HEMODIALYSIS CATHETERS AND ACTIVATION OF THE INFLAMMATORY RESPONSE. Nephrol Dial Transplant 2018. [DOI: 10.1093/ndt/gfy104.fp576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
| | - Alex Soriano
- Infectious Diseases Department, Hospital Clinic of Barcelona, Internal Medicine, Spain
| | - Francesc Maduell
- Nephrology, Hemodialysis and Transplantation Unit, Hospital Clinic of Barcelona, Nephrology and Urology Institute, Spain
| | - Xavier Filella
- Central Diagnostic Biomedic, Hospital Clinic of Barcelona, Central Diagnostic Biomedic Institute, Spain
| | - Maria Calvo
- Unitat de Microscòpia Ã’ptica Avançada, Universidad of Barcelona, Centres Científics i Tecnològics, Spain
| | - Fontseré Nestor
- Vascular Access Unit, Hospital Clinic of Barcelona, Nephrology, Dialysis and Transplantation Institute, Spain
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