1
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Signa S, Sementa AR, Coccia MC, Pastorino C, Viglizzo G, Viola S, Volpi S, Occella C, Bleidl D, Acquila M, Castagnola E, Ravelli A, Manunza F. Recurrence of previous chilblain lesions during the second wave of COVID-19: can we still doubt the correlation with SARS-CoV-2? J Eur Acad Dermatol Venereol 2021; 35:e475-e477. [PMID: 33871076 PMCID: PMC8251000 DOI: 10.1111/jdv.17283] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 03/22/2021] [Accepted: 04/13/2021] [Indexed: 02/01/2023]
Affiliation(s)
- S Signa
- UOSD Centro Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genoa, Italy.,Dipartimento di Neuroscienze, Riabilitazione, Oftalmologia, Genetica e Scienze Materno-Infantili (DINOGMI), Università di Genova, Genoa, Italy
| | - A R Sementa
- UOC Anatomia Patologica, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - M C Coccia
- UOC Anatomia Patologica, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - C Pastorino
- UOC Dermatologia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - G Viglizzo
- UOC Dermatologia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - S Viola
- UOC Clinica Pediatrica e Reumatologia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - S Volpi
- UOSD Centro Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genoa, Italy.,Dipartimento di Neuroscienze, Riabilitazione, Oftalmologia, Genetica e Scienze Materno-Infantili (DINOGMI), Università di Genova, Genoa, Italy
| | - C Occella
- UOC Dermatologia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - D Bleidl
- UOC Dermatologia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - M Acquila
- UOC Laboratori Analisi, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - E Castagnola
- UOC Malattie Infettive, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - A Ravelli
- Dipartimento di Neuroscienze, Riabilitazione, Oftalmologia, Genetica e Scienze Materno-Infantili (DINOGMI), Università di Genova, Genoa, Italy.,UOC Clinica Pediatrica e Reumatologia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - F Manunza
- UOC Dermatologia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
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Abstract
We study, by coarse-grained molecular dynamics simulations, equilibrium and flow properties of a liquid in cylindrical nanochannels, coated with polymer brushes. The parameters of the interaction potential model confer a chemical incompatibility between brush monomers and liquid particles. First, we study cylindrical channels whose radii are larger than the brush height and a continuous column of liquid forms at the center of the channel. These results are contrasted to the limiting case in which the radius of the cylinder is comparable to the brush height. In this second case, the grafted polymers interact across the channel and "close" it. We observe a train of droplets as the stable liquid morphology. The droplet size is comparable to the cylinder radius. By applying a constant body force onto the liquid, we induce a Poiseuille-like flow and investigate the morphology and flow rate as a function of driving force. Upon increasing the driving force, we encounter a nonequilibrium transition from a closed channel with slowly moving droplets to a flowing liquid thread at the center. The switching between these two states is reversible.
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Affiliation(s)
- C Pastorino
- Departamento de Física de la Materia Condensada, Centro Atómico Constituyentes, CNEA, Av.Gral. Paz 1499, B1650 San Martín, Pcia. de Buenos Aires, Argentina.,Instituto de Nanociencia y Nanotecnología CONICET-CNEA, B1650 Buenos Aires, Argentina
| | - M Müller
- Institut für Theoretische Physik, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany
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3
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Schena F, Penco F, Volpi S, Pastorino C, Caorsi R, Kalli F, Fenoglio D, Salis A, Bertoni A, Prigione I, Bocca P, Insalaco A, De Benedetti F, Antonini F, Grossi A, Signa S, Damonte G, Ceccherini I, Filaci G, Traggiai E, Gattorno M. Dysregulation in B-cell responses and T follicular helper cell function in ADA2 deficiency patients. Eur J Immunol 2020; 51:206-219. [PMID: 32707604 DOI: 10.1002/eji.202048549] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 06/29/2020] [Indexed: 12/21/2022]
Abstract
Adenosine deaminase 2 deficiency (DADA2) is an autoinflammatory disease characterized by inflammatory vasculopathy, early strokes associated often with hypogammaglobulinemia. Pure red cell aplasia, thrombocytopenia, and neutropenia have been reported. The defect is due to biallelic loss of function of ADA2 gene, coding for a protein known to regulate the catabolism of extracellular adenosine. We therefore investigated immune phenotype and B- and T-cell responses in 14 DADA2 patients to address if ADA2 mutation affects B- and T-cell function. Here, we show a significant decrease in memory B cells, in particular class switch memory, and an expansion of CD21low B cells in DADA2 patients. In vitro stimulated B lymphocytes were able to secrete nonfunctional ADA2 protein, suggesting a cell intrinsic defect resulting in an impairment of B-cell proliferation and differentiation. Moreover, CD4+ and CD8+ T cells were diminished; however, the frequency of circulating T follicular helper cells was significantly increased but they had an impairment in IL-21 production possibly contributing to an impaired B cell help. Our findings suggest that ADA2 mutation could lead to a B-cell intrinsic defect but also to a defective Tfh cell function, which could contribute to the immunodeficient phenotype reported in DADA2 patients.
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Affiliation(s)
- Francesca Schena
- Unità Operativa Semplice Dipartimentale Centro Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Federica Penco
- Unità Operativa Semplice Dipartimentale Centro Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Stefano Volpi
- Unità Operativa Semplice Dipartimentale Centro Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genova, Italy.,Dipartimento di Neuroscienze, riabilitazione, oftalmologia, genetica e scienze materno-infantili (DINOGMI), Università degli studi di Genova, Genova, Italy
| | - Claudia Pastorino
- Unità Operativa Semplice Dipartimentale Centro Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Roberta Caorsi
- Unità Operativa Clinica Pediatrica e Reumatologia, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Francesca Kalli
- Center of Excellence for Biomedical Research/Department of Internal Medicine, Università di Genova, Genova, Italy
| | - Daniela Fenoglio
- Center of Excellence for Biomedical Research/Department of Internal Medicine, Università di Genova, Genova, Italy.,Ospedale Policlinico San Martino, Genova, Italy
| | - Annalisa Salis
- Department of Experimental Medicine and Center of Excellence for Biomedical Research, Università di Genova, Genova, Italy
| | - Arinna Bertoni
- Unità Operativa Semplice Dipartimentale Centro Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Ignazia Prigione
- Unità Operativa Semplice Dipartimentale Centro Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Paola Bocca
- Unità Operativa Semplice Dipartimentale Centro Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Antonella Insalaco
- Division of Rheumatology, Department of Pediatric Medicine, IRCCS Bambino Gesù Children's Hospital, Rome, Italy
| | - Fabrizio De Benedetti
- Division of Rheumatology, Department of Pediatric Medicine, IRCCS Bambino Gesù Children's Hospital, Rome, Italy
| | - Francesca Antonini
- Core Facilities Flow-Cytometry and Cell Imaging Laboratory, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Alice Grossi
- UOSD Laboratory of Genetics and Genomics of Rare Diseases, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Sara Signa
- Unità Operativa Semplice Dipartimentale Centro Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genova, Italy.,Dipartimento di Neuroscienze, riabilitazione, oftalmologia, genetica e scienze materno-infantili (DINOGMI), Università degli studi di Genova, Genova, Italy
| | - Gianluca Damonte
- Department of Experimental Medicine and Center of Excellence for Biomedical Research, Università di Genova, Genova, Italy
| | - Isabella Ceccherini
- UOSD Laboratory of Genetics and Genomics of Rare Diseases, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Gilberto Filaci
- Center of Excellence for Biomedical Research/Department of Internal Medicine, Università di Genova, Genova, Italy.,Biotherapy Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | | | - Marco Gattorno
- Unità Operativa Semplice Dipartimentale Centro Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genova, Italy.,Unità Operativa Clinica Pediatrica e Reumatologia, IRCCS Istituto Giannina Gaslini, Genova, Italy
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4
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Bertoni A, Carta S, Baldovini C, Penco F, Balza E, Borghini S, Di Duca M, Ognio E, Signori A, Nozza P, Schena F, Castellani P, Pastorino C, Perrone C, Obici L, Martini A, Ceccherini I, Gattorno M, Rubartelli A, Chiesa S. A novel knock-in mouse model of cryopyrin-associated periodic syndromes with development of amyloidosis: Therapeutic efficacy of proton pump inhibitors. J Allergy Clin Immunol 2019; 145:368-378.e13. [PMID: 31194989 DOI: 10.1016/j.jaci.2019.05.034] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [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: 07/20/2018] [Revised: 04/18/2019] [Accepted: 05/07/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Cryopyrin-associated periodic syndromes (CAPS) are a group of autoinflammatory diseases linked to gain-of-function mutations in the NOD-like receptor family, pyrin domain containing 3 (NLRP3) gene, which cause uncontrolled IL-1β secretion. Proton pump inhibitors (PPIs), which are commonly used as inhibitors of gastric acid production, also have anti-inflammatory properties, protect mice from sepsis, and prevent IL-1β secretion by monocytes from patients with CAPS. OBJECTIVE We sought to develop a novel Nlrp3 knock-in (KI) mouse model of CAPS to study amyloidosis, a severe CAPS complication, and test novel therapeutic approaches. METHODS We generated KI mice by engineering the N475K mutation, which is associated with the CAPS phenotype, into the mouse Nlrp3 gene. KI and wild-type mice received PPIs or PBS intraperitoneally and were analyzed for survival, inflammation, cytokine secretion, and amyloidosis development. RESULTS Mutant Nlrp3 KI mice displayed features that recapitulate the immunologic and clinical phenotype of CAPS. They showed systemic inflammation with high levels of serum proinflammatory cytokines, inflammatory infiltrates in various organs, and amyloid deposits in the spleen, liver, and kidneys. Toll-like receptor stimulated macrophages from KI mice secreted high levels of IL-1β, IL-18, and IL-1α but low amounts of IL-1 receptor antagonist. Treatment of KI mice with PPIs had a clear clinical effect, showing a reduction in inflammatory manifestations, regression of amyloid deposits, and normalization of proinflammatory and anti-inflammatory cytokine production by macrophages. CONCLUSION Nlrp3 KI mice displayed a CAPS phenotype with many characteristics of autoinflammation, including amyloidosis. The therapeutic effectiveness of PPIs associated with a lack of toxicity indicates that these drugs could represent relevant adjuvants to the anti-IL-1 drugs in patients with CAPS and other IL-1-driven diseases.
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Affiliation(s)
- Arinna Bertoni
- UOSD Centro Malattie Autoinfiammatorie ed Immunodeficienze, IRCCS Istituto G. Gaslini, Genova, Italy
| | - Sonia Carta
- Unità di Biologia Cellulare, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | | | - Federica Penco
- UOSD Centro Malattie Autoinfiammatorie ed Immunodeficienze, IRCCS Istituto G. Gaslini, Genova, Italy
| | - Enrica Balza
- Unità di Biologia Cellulare, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | | | - Marco Di Duca
- Laboratorio di Fisiopatologia dell' Uremia, IRCCS Istituto G. Gaslini, Genova, Italy
| | - Emanuela Ognio
- S.S Animal Facility, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Alessio Signori
- Dipartimento di Scienze della Salute, Sezione di Biostatistica, DISSAL, Università degli studi di Genova, Genova, Italy
| | - Paolo Nozza
- Anatomia Patologica, IRCCS Istituto G. Gaslini, Genova, Italy
| | - Francesca Schena
- UOSD Centro Malattie Autoinfiammatorie ed Immunodeficienze, IRCCS Istituto G. Gaslini, Genova, Italy
| | - Patrizia Castellani
- Unità di Biologia Cellulare, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Claudia Pastorino
- UOSD Centro Malattie Autoinfiammatorie ed Immunodeficienze, IRCCS Istituto G. Gaslini, Genova, Italy
| | - Carola Perrone
- UOSD Centro Malattie Autoinfiammatorie ed Immunodeficienze, IRCCS Istituto G. Gaslini, Genova, Italy
| | - Laura Obici
- Centro per lo Studio e la Cura delle Amiloidosi Sistemiche, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Alberto Martini
- Direzione Scientifica, IRCCS Istituto G. Gaslini, Genova, Italy
| | | | - Marco Gattorno
- UOSD Centro Malattie Autoinfiammatorie ed Immunodeficienze, IRCCS Istituto G. Gaslini, Genova, Italy; UOC Clinica Pediatrica e Reumatologica, IRCCS Istituto G. Gaslini, Genova, Italy.
| | - Anna Rubartelli
- Unità di Biologia Cellulare, IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Sabrina Chiesa
- UOSD Centro Malattie Autoinfiammatorie ed Immunodeficienze, IRCCS Istituto G. Gaslini, Genova, Italy.
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5
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Volpi S, Insalaco A, Caorsi R, Santori E, Messia V, Sacco O, Terheggen-Lagro S, Cardinale F, Scarselli A, Pastorino C, Moneta G, Cangemi G, Passarelli C, Ricci M, Girosi D, Derchi M, Bocca P, Diociaiuti A, El Hachem M, Cancrini C, Tomà P, Granata C, Ravelli A, Candotti F, Picco P, DeBenedetti F, Gattorno M. Efficacy and Adverse Events During Janus Kinase Inhibitor Treatment of SAVI Syndrome. J Clin Immunol 2019; 39:476-485. [PMID: 31144250 PMCID: PMC7086512 DOI: 10.1007/s10875-019-00645-0] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 05/10/2019] [Indexed: 02/07/2023]
Abstract
Objectives Mutations affecting the TMEM173 gene cause STING-associated vasculopathy with onset in infancy (SAVI). No standard immunosuppressive treatment approach is able to control disease progression in patients with SAVI. We studied the efficacy and safety of targeting type I IFN signaling with the Janus kinase inhibitor, ruxolitinib. Methods We used DNA sequencing to identify mutations in TMEM173 in patients with peripheral blood type I IFN signature. The JAK1/2 inhibitor ruxolitinib was administered on an off-label basis. Results We identified three patients with SAVI presenting with skin involvement and progressive severe interstitial lung disease. Indirect echocardiographic signs of pulmonary hypertension were present in one case. Following treatment with ruxolitinib, we observed improvements of respiratory function including increased forced vital capacity in two patients, with discontinuation of oxygen therapy and resolution of echocardiographic abnormalities in one case. Efficacy was persistent in one patient and only transitory in the other two patients. Clinical control of skin complications was obtained, and one patient discontinued steroid treatment. One patient, who presented with kidney involvement, showed resolution of hematuria. One patient experienced increased recurrence of severe viral respiratory infections. Monitoring of peripheral blood type I interferon signature during ruxolitinib treatment did not show a stable decrease. Conclusions We conclude that targeting type I IFN receptor signaling may represent a promising therapeutic option for a subset of patients with SAVI syndrome and severe lung involvement. However, the occurrence of viral respiratory infection might represent an important cautionary note for the application of such form of treatment. Electronic supplementary material The online version of this article (10.1007/s10875-019-00645-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Stefano Volpi
- U.O.C. Clinica Pediatrica e Reumatologia, IRCCS Istituto Giannina Gaslini, Genoa, Italy.
- Centro per le Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genoa, Italy.
- Universita' Degli Studi di Genova, Genoa, Italy.
- UOSD Centro per le Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genoa, Italy.
| | | | - Roberta Caorsi
- U.O.C. Clinica Pediatrica e Reumatologia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
- Centro per le Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Elettra Santori
- Division of Immunology and Allergy, University Hospital of Lausanne, Lausanne, Switzerland
| | - Virginia Messia
- U.O. Reumatologia IRCCS Ospedale Pediatrico Bambino Gesù, Rome, Italy
| | - Oliviero Sacco
- Department of Pediatrics, Pediatric Pulmonology and Allergy Unit and Cystic Fibrosis Center, Istituto Giannina Gaslini, Genoa, Italy
| | | | | | - Alessia Scarselli
- University Department of Pediatrics, Unit of Immune and Infectious Diseases, Bambino Gesù Children's Hospital IRCCS, University of Rome Tor Vergata, Rome, Italy
| | - Claudia Pastorino
- Centro per le Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Gianmarco Moneta
- U.O. Reumatologia IRCCS Ospedale Pediatrico Bambino Gesù, Rome, Italy
| | - Giuliana Cangemi
- Central Laboratory of Analyses, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Chiara Passarelli
- UOC Laboratory of Medical Genetics, IRCCS Children Hospital Bambino Gesù, Rome, Italy
| | - Margherita Ricci
- U.O.C. Clinica Pediatrica e Reumatologia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Donata Girosi
- Department of Pediatrics, Pediatric Pulmonology and Allergy Unit and Cystic Fibrosis Center, Istituto Giannina Gaslini, Genoa, Italy
| | - Maria Derchi
- Pediatric Cardiology Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Paola Bocca
- Centro per le Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Andrea Diociaiuti
- Dermatology Unit, IRCCS Bambino Gesù Children's Hospital, Rome, Italy
| | - May El Hachem
- Dermatology Unit, IRCCS Bambino Gesù Children's Hospital, Rome, Italy
| | - Caterina Cancrini
- University Department of Pediatrics, Unit of Immune and Infectious Diseases, Bambino Gesù Children's Hospital IRCCS, University of Rome Tor Vergata, Rome, Italy
| | - Paolo Tomà
- Department of Imaging, IRCCS Bambino Gesù Children's Hospital, Rome, Italy
| | - Claudio Granata
- Department of Pediatric Radiology, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Angelo Ravelli
- U.O.C. Clinica Pediatrica e Reumatologia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
- Universita' Degli Studi di Genova, Genoa, Italy
| | - Fabio Candotti
- Division of Immunology and Allergy, University Hospital of Lausanne, Lausanne, Switzerland
| | - Paolo Picco
- U.O.C. Clinica Pediatrica e Reumatologia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | | | - Marco Gattorno
- U.O.C. Clinica Pediatrica e Reumatologia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
- Centro per le Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genoa, Italy
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6
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Abstract
We study by coarse-grained molecular-dynamics simulations the liquid flow in a slit channel with the inner walls coated by semiflexible polymer brushes. The distance between walls is close enough such that polymers grafted to opposing walls interact among each other and form bundles across the channel in poor solvent conditions. The solvent is simulated explicitly, including particles that fill the interior of the channel. The system is studied in equilibrium and under flow, by applying a constant body force on each particle of the system. A non-linear relation between external force and flow rate is observed, for a particular set of parameters. This non-linear response is linked to a morphological change of the polymer brushes. For large enough forces, the bundle structures formed across the channel break as the chains lean in the direction of the flow, and clear the middle of the channel. This morphological alteration of the polymer configurations translates in a sudden increase in the flow rate, acting as a pressure-responsive gate. The relation between flow and external force is investigated for various parameters, such as grafting density, quality of the solvent and polymer bending rigidity. We observe a non-monotonic dependence of the flow as a function of the polymer rigidity, and find an optimum value for the persistence length. We also find that the force threshold at which the morphological changes happen in the polymer brush, depends linearly on the grafting density. These findings can lead to new flow control techniques in micro and nano-fluidic devices.
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Affiliation(s)
- K Speyer
- Departamento de Física de la Materia Condensada, Centro Atómico Constituyentes, CNEA, Av. Gral. Paz 1499, 1650 Pcia. de Buenos Aires, Argentina.
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7
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Caorsi R, Rusmini M, Volpi S, Chiesa S, Pastorino C, Sementa AR, Uva P, Grossi A, Lanino E, Faraci M, Minoia F, Signa S, Picco P, Martini A, Ceccherini I, Gattorno M. CD70 Deficiency due to a Novel Mutation in a Patient with Severe Chronic EBV Infection Presenting As a Periodic Fever. Front Immunol 2018; 8:2015. [PMID: 29434583 PMCID: PMC5796890 DOI: 10.3389/fimmu.2017.02015] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [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: 09/05/2017] [Accepted: 12/28/2017] [Indexed: 12/30/2022] Open
Abstract
Primary immunodeficiencies with selective susceptibility to EBV infection are rare conditions associated with severe lymphoproliferation. We followed a patient, son of consanguineous parents, referred to our center for recurrent periodic episodes of fever associated with tonsillitis and adenitis started after an infectious mononucleosis and responsive to oral steroid. An initial diagnosis of periodic fever, aphthous stomatitis, pharyngitis, cervical adenitis syndrome was done. In the following months, recurrent respiratory infections and episodes of keratitis were also observed, together with a progressive reduction of immunoglobulin levels and an increase of CD20+ cells. Cell sorting and EBV PCR showed 25,000 copies for 100,000 leukocytes with predominant infection of B lymphocytes. Lymph node’s biopsy revealed reactive lymphadenopathy with paracortical involvement consistent with a chronic EBV infection. Molecular analysis of XIAP, SHA2D1A, ITK, and CD27 genes did not detect any pathogenic mutation. The patients underwent repeated courses of anti-CD20 therapy with only a partial control of the disease, followed by stem cell transplantation with a complete normalization of clinical and immunological features. Whole exome sequencing of the trio was performed. Among the variants identified, a novel loss of function homozygous c.163-2A>G mutation of the CD70 gene, affecting the exon 2 AG-acceptor splice site, fit the expected recessive model of inheritance. Indeed, deficiency of both CD27, and, more recently, of its ligand CD70, has been reported as a cause of EBV-driven lymphoproliferation and hypogammaglobulinemia. Cell surface analysis of patient-derived PHA-T cell blasts and EBV-transformed lymphoblastoid cell lines confirmed absence of CD70 expression. In conclusion, we describe a case of severe chronic EBV infection caused by a novel mutation of CD70 presenting with recurrent periodic fever.
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Affiliation(s)
- Roberta Caorsi
- Clinica Pediatria e Reumatologia, Istituto Giannina Gaslini, Genova, Italy
| | - Marta Rusmini
- Division of Human Genetics, Istituto Giannina Gaslini, Genova, Italy
| | - Stefano Volpi
- Clinica Pediatria e Reumatologia, Istituto Giannina Gaslini, Genova, Italy
| | - Sabrina Chiesa
- Clinica Pediatria e Reumatologia, Istituto Giannina Gaslini, Genova, Italy
| | - Claudia Pastorino
- Clinica Pediatria e Reumatologia, Istituto Giannina Gaslini, Genova, Italy
| | | | - Paolo Uva
- Centre for Advanced Studies, Research and Development in Sardinia (CRS4), Science and Technology Park Polaris, Pula, Italy
| | - Alice Grossi
- Division of Human Genetics, Istituto Giannina Gaslini, Genova, Italy
| | - Edoardo Lanino
- Bone Marrow Transplantation Unit, Istituto Giannina Gaslini, Genova, Italy
| | - Maura Faraci
- Bone Marrow Transplantation Unit, Istituto Giannina Gaslini, Genova, Italy
| | - Francesca Minoia
- Clinica Pediatria e Reumatologia, Istituto Giannina Gaslini, Genova, Italy
| | - Sara Signa
- Clinica Pediatria e Reumatologia, Istituto Giannina Gaslini, Genova, Italy
| | - Paolo Picco
- Clinica Pediatria e Reumatologia, Istituto Giannina Gaslini, Genova, Italy
| | - Alberto Martini
- Clinica Pediatria e Reumatologia, Istituto Giannina Gaslini, Genova, Italy
| | | | - Marco Gattorno
- Clinica Pediatria e Reumatologia, Istituto Giannina Gaslini, Genova, Italy
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8
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Ribero S, Carrera C, Tell-Marti G, Pastorino C, Badenas C, Garcia A, Malvehy J, Puig S. Amelanotic melanoma in oculocutaneous albinism: a genetic, dermoscopic and reflectance confocal microscopy study. Br J Dermatol 2017; 177:e333-e335. [PMID: 28555837 DOI: 10.1111/bjd.15687] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- S Ribero
- Dermatology Department, Melanoma Unit, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, Spain.,Medical Sciences Department, Section of Dermatology, University of Turin, Turin, Italy
| | - C Carrera
- Dermatology Department, Melanoma Unit, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Barcelona, Spain
| | - G Tell-Marti
- Dermatology Department, Melanoma Unit, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Barcelona, Spain
| | - C Pastorino
- Dermatology Department, Melanoma Unit, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, Spain.,DISSAL, Department of Dermatology, IRCCS-AOU S. Martino-IST, University of Genoa, Genoa, Italy
| | - C Badenas
- Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Barcelona, Spain.,Biochemical and Molecular Genetics Service, Melanoma Unit, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, Spain
| | - A Garcia
- Pathology Department, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, Spain
| | - J Malvehy
- Dermatology Department, Melanoma Unit, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Barcelona, Spain
| | - S Puig
- Dermatology Department, Melanoma Unit, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Barcelona, Spain
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Speyer K, Pastorino C. Droplet Transport in a Nanochannel Coated by Hydrophobic Semiflexible Polymer Brushes: The Effect of Chain Stiffness. Langmuir 2017; 33:10753-10763. [PMID: 28892398 DOI: 10.1021/acs.langmuir.7b02640] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We study the influence of chain stiffness on droplet flow in a nanochannel, coated with semiflexible hydrophobic polymers by means of nonequilibrium molecular dynamics simulations. The studied system is then a moving droplet in the slit channel, coexisting with its vapor and subjected to periodic boundary conditions in the flow direction. The polymer chains, grafted by the terminal bead to the confining walls, are described by a coarse-grained model that accounts for chain connectivity, excluded volume interactions and local chain stiffness. The rheological, frictional and dynamical properties of the brush are explored over a wide range of persistence lengths. We find a rich behavior of polymer conformations and concomitant changes in the friction properties over the wide range of studied polymer stiffnesses. A rapid decrease in the droplet velocity was observed as the rigidity of the chains is increased for polymers whose persistence length is smaller than their contour length. We find a strong relation between the internal dynamics of the brush and the droplet transport properties, which could be used to tailor flow properties by surface functionalization. The monomers of the brush layer, under the droplet, present a collective "treadmill belt" like dynamics which can only be present due the existence of grafted chains. We describe its changes in spatial extension upon variations of polymer stiffness, with bidimensional velocity and density profiles. The deformation of the polymer brushes due to the presence of the droplet is analyzed in detail. Lastly, the droplet-gas interaction is studied by varying the liquid to gas ratio, observing a 16% speed increase for droplets that flow close to each other, compared to a train of droplets that present a large gap between consecutive droplets.
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Affiliation(s)
- K Speyer
- Departamento de Física de la Materia Condensada, Centro Atómico Constituyentes, CNEA , Av.Gral. Paz 1499, 1650 Pcia. de Buenos Aires, Argentina
- CONICET , Godoy Cruz 2290 (C1425FQB) Buenos Aires, Argentina
| | - C Pastorino
- Departamento de Física de la Materia Condensada, Centro Atómico Constituyentes, CNEA , Av.Gral. Paz 1499, 1650 Pcia. de Buenos Aires, Argentina
- CONICET , Godoy Cruz 2290 (C1425FQB) Buenos Aires, Argentina
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Lomakina O, Alekseeva E, Valieva S, Bzarova T, Nikishina I, Zholobova E, Rodionovskaya S, Kaleda M, Nakagishi Y, Shimizu M, Mizuta M, Yachie A, Sugita Y, Okamoto N, Shabana K, Murata T, Tamai H, Smith EM, Yin P, Jorgensen AL, Beresford MW, Smith EM, Eleuteri A, Goilav B, Lewandowski L, Phuti A, Wahezi D, Rubinstein T, Jones C, Newland P, Marks S, Corkhill R, Ekdawy D, Pilkington C, Tullus K, Putterman C, Scott C, Fisher AC, Beresford MW, Smith EM, Lewandowski L, Phuti A, Jorgensen A, Scott C, Beresford MW, Batu ED, Kosukcu C, Taskiran E, Akman S, Ozturk K, Sozeri B, Unsal E, Ekinci Z, Bilginer Y, Alikasifoglu M, Ozen S, Lythgoe H, Beresford MW, Brunner HI, Gulati G, Jones JT, Altaye M, Eaton J, Difrancesco M, Yeo JG, Leong J, Bathi LDT, Arkachaisri T, Albani S, Abdelrahman N, Beresford MW, Leone V, Groot N, Shaikhani D, Bultink IEM, Bijl M, Dolhain RJEM, Teng YKO, Zirkzee E, de Leeuw K, Fritsch-Stork R, Kamphuis SSM, Wright RD, Smith EM, Beresford MW, Abdawani R, Al Shaqshi L, Al Zakwani I, Gormezano NW, Kern D, Pereira OL, Esteves GCC, Sallum AM, Aikawa NE, Pereira RM, Silva CA, Bonfa E, Beckmann J, Bartholomä N, Foeldvari I, Bohnsack J, Milojevic D, Rabinovich C, Kingsbury D, Marzan K, Quartier P, Minden K, Chalom E, Horneff G, Venhoff N, Kuester RM, Dare J, Heinrich M, Kupper H, Kalabic J, Martini A, Brunner HI, Consolaro A, Horneff G, Burgos-Vargas R, Henneke P, Constantin T, Foeldvari I, Vojinovic J, Dehoorne J, Panaviene V, Susic G, Stanevica V, Kobusinska K, Zuber Z, Mouy R, Salzer U, Rumba-Rozenfelde I, Dolezalova P, Job-Deslandre C, Wulffraat N, Pederson R, Bukowski J, Hinnershitz T, Vlahos B, Martini A, Ruperto N, Janda A, Keskitalo P, Kangas S, Vähäsalo P, Valencia RAC, Martino D, Munro J, Ponsonby AL, Chiaroni-Clarke R, Meyer B, Allen RC, Boteanu AL, Akikusa JD, Craig JM, Saffrey R, Ellis JA, Davì S, Minoia F, Horne A, Wulffraat N, Wouters C, Wallace C, Corral SG, Uziel Y, Sterba G, Schneider R, Russo R, Ramanan AV, Schmid JP, Ozen S, Nichols KE, Miettunen P, Lovell DJ, Giraldo AS, Lehmberg K, Kitoh T, Khubchandani R, Ilowite NT, Henter JI, Grom AA, De Benedetti F, Behrens EM, Avcin T, Aricò M, Gámir MG, Martini A, Ruperto N, Cron RQ, Ravelli A, Grevich S, Lee P, Ringold S, Leroux B, Leahey H, Yuasa M, Mendoza AZ, Foster J, Sokolove J, Lahey L, Robinson W, Newson J, Stevens A, Shoop SJW, Hyrich KL, Verstappen SMM, Thomson W, Adrovic A, McDonagh JE, Beukelman T, Kimura Y, Natter M, Ilowite N, Mieszkalski K, Burrell G, Best B, Bristow H, Carr S, Dedeoglu R, Dennos A, Kaufmann R, Schanberg L, Parissenti I, Insalaco A, Taddio A, Mauro A, Pardeo M, Ricci F, Simonini G, Sahin S, Cattalini M, Montesano P, Parissenti I, Ricci F, Bonafini B, Medeghini V, Lancini F, Cattalini M, Gerbaux M, Lê PQ, Barut K, Goffin L, Badot V, La C, Caspers L, Willermain F, Ferster A, Ceci M, Licciardi F, Turco M, Santarelli F, Koka A, Montin D, Toppino C, Maggio MC, Alizzi C, Papia B, Vergara B, Corpora U, Messina L, Corsello G, Tsinti M, Oztunc F, Dermentzoglou V, Tziavas P, Tsitsami E, Perica M, Vidović M, Lamot L, Harjaček M, Bukovac LT, Çakan M, Ayaz NA, Kasapcopur O, Keskindemirci G, Miettunen P, Lang M, Laing C, Benseler S, Gerschman T, Luca N, Schmeling H, Dropol A, Taiani J, Rodriguez-Lozano AL, Johnson N, Rusted B, Nalbanti P, Trachana M, Pratsidou P, Pardalos G, Tzimouli V, Taparkou A, Stavrakidou M, Papachristou F, Rivas-Larrauri F, Kanakoudi-Tsakalidou F, Bale P, Robinson E, Palman J, Pilkington C, Ralph E, Gilmour K, Heard C, Wedderburn LR, Carlomagno R, de la Puente SG, Barrense-Dias Y, Gregory A, Amira D, Paolo S, Sylviane H, Michaël H, Panko N, Shokry S, Rakovska L, Pino S, Alves AGF, Diaz-Maldonado A, Guarnizo P, Torreggiani S, Cressoni P, Garagiola U, Di Landro G, Farronato G, Corona F, Filocamo G, Shenoi S, Giacomin MFDA, Bell S, Bhatti P, Nelson L, Mueller BA, Simon TA, Baheti A, Ray N, Guo Z, Ruperto N, Brunner HI, Farhat J, Hazra A, Stock T, Wang R, Mebus C, Alvey C, Lamba M, Krishnaswami S, Conte U, Wang M, Tzaribachev N, Braga ALF, Foeldvari I, Horneff G, Kingsbury D, Koskova E, Smolewska E, Vehe RK, Zuber Z, Martini A, Lovell D, Kubota T, Sallum AME, Shimizu M, Yasumura J, Nakagishi Y, Kizawa T, Yashiro M, Wakiguchi H, Yamatou T, Yamasaki Y, Takei S, Kawano Y, Campos LMDA, Nykvist UJ, Magnusson B, Wicksell R, Palmblad K, Olsson GL, Ziaee V, Modaressi M, Moradinejad MH, Seraya V, Zholobova E, Pereira LAA, Vitebskaya A, Moshe V, Amarilyo G, Harel L, Hashkes PJ, Mendelson A, Rabinowicz N, Reis Y, Uziel Y, Dāvidsone Z, Lichtenfels AJDFC, Lazareva A, Šantere R, Bērziņa D, Staņēviča V, Varnier GC, Consolaro A, Pilkington C, Maillard S, Ferrari C, Zaffarano S, Silva CA, Martini A, Ravelli A, Wienke J, Enders FB, van den Hoogen LL, Mertens JS, Radstake TR, Hotten HG, Fritsch R, de Jager W, Farhat SCL, Wedderburn L, Nistala K, Pilkington C, Prakken B, van Royen-Kerkhof A, van Wijk F, Alhemairi M, Muzaffer M, Van Dijkhuizen P, Deakin CT, Acar B, Simou S, Wedderburn LR, De Iorio M, Wu Q, Amin T, Simou S, Dossetter L, Wedderburn LR, Pilkington C, Campanilho-Marques R, Ozcakar ZB, Deakin C, Simou S, Wedderburn LR, Pilkington CA, Rosina S, Consolaro A, van Dijkhuizen P, Nistala K, Ruperto N, Pilkington C, Çakar N, Ravelli A, Soponkanaporn S, Simou S, Deakin CT, Wedderburn LR, Arıcı ZS, Tuğcu GD, Batu ED, Sönmez HE, Doğru-Ersöz D, Uncu N, Bilginer Y, Talim B, Kiper N, Özen S, Solyom A, Hügle B, Makay B, Magnusson B, Batu E, Mitchell J, Gür G, Kariminejad A, Hadipour F, Hadipour Z, Torcoletti M, Agostoni C, Di Rocco M, Tanpaiboon P, Superti-Furga A, Bonafé L, Arslan N, Özdel S, Guelbert N, Kostik M, Ehlert K, Grigelioniene G, Puri R, Ozen S, Schuchman E, Malagon C, Gomez P, Mosquera AC, Yalçınkaya F, Gonzalez T, Yepez R, Vargas C, Fernanda F, Lepri G, Ferrari A, Rigante D, Matucci-Cerinic M, Meini A, Moneta GM, Scott C, Caiello I, Marasco E, Nicolai R, Pardeo M, Bracaglia C, Insalaco A, Bracci-Laudiero L, De Benedetti F, Kopchak O, Kostik M, Brice N, Mushkin A, Maletin A, Makay B, Batu ED, Hügle B, Arslan N, Solyom A, Mitchell J, Schuchman E, Ozen S, Nourse P, Magnusson B, Malagon C, Gomez P, Mosquera C, Gonzalez T, Yepez R, Vargas C, Amorim RA, Len CA, Molina J, Lewandowski L, Moreira G, Santos FH, Fraga M, Keppeke L, Silva VM, Hirotsu C, Tufik S, Terreri MT, Braga VL, Fonseca MB, Arango C, Len CA, Fraga M, Schinzel V, Terreri MTR, Molina J, Len CA, Jorge L, Guerra L, Santos FH, Terreri MT, Mosquera AC, Junior EA, Fonseca MB, Braga VL, Len CA, Fraga M, Schinzel V, Terreri MTR, Alizzi C, Maggio MC, Castiglione MC, Malagon C, Tricarico A, Corsello G, Boulter E, Schultz A, Murray K, Falcini F, Lepri G, Stagi S, Bellucci E, Matucci-Cerinic M, Sakamoto AP, Grein IHR, Groot N, Pileggi G, Pinto NBF, de Oliveira AL, Wulffraat N, Chyzheuskaya I, Belyaeva L, Filonovich R, Khrustaleva H, Silva CA, Zajtseva L, Ilisson J, Pruunsild C, Kostik M, Kopchak O, Mushkin A, Maletin A, Gilliaux O, Corazza F, Lelubre C, Silva MFCD, Ferster A, Suárez RG, Morel Z, Espada G, Malagon C, 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Karsioglu Y, Tezcaner A, Keskin D, Ozkan H, Acikel C, Ozen S, Demirkaya E, Orbán I, Sevcic K, Brodszky V, Kiss E, Tekko IA, Rooney M, McElnay J, Taggart C, McCarthy H, Donnelly RF, Abinun M, Slatter M, Nademi Z, Friswell M, Foster H, Jandial S, McErlane F, Flood T, Hambleton S, Gennery A, Cant A, Finetti M, Bovis F, Swart J, Doležalová P, Tsitsami E, Trachana M, Demirkaya E, Duong PN, Koné-Paut I, Vougiouka O, Marafon DP, Cimaz R, Filocamo G, Gamir ML, Stanevicha V, Sanner H, Carenini L, Wulffraat N, Martini A, Ruperto N, Topdemir M, Basbozkurt G, Karslioglu Y, Ozkan H, Acikel C, Demirkaya E, Gok F, Zholobova E, Tsurikova N, Ligostaeva E, Ramchurn NR, Friswell M, Kostareva O, Nikishina I, Arsenyeva S, Rodionovskaya S, Kaleda M, Alexeev D, Dursun ID, Sozeri B, Kısaarslan AP, Dusunsel R, Poyrazoglu H, Poyrazoglu H, Murias S, Barral E, Alcobendas R, Enriquez E, Remesal A, de Inocencio J, Castro TM, Lotufo SA, Freye T, Carlomagno R, Zumbrunn T, Bonhoeffer J, Schneider EC, Kaiser D, Hofer M, Hentgen V, Woerner A, Schwarz T, Klotsche J, Niewerth M, Horneff G, Haas JP, Hospach A, Huppertz HI, Ganser G, Minden K, Jeyaratnam J, ter Haar N, Kasapcopur O, Rigante D, Dedeoglu F, Baris E, Vastert S, Wulffraat N, Frenkel J, Hausmann JS, Lomax KG, Shapiro A, Durrant KL, Brogan PA, Hofer M, Kuemmerle-Deschner JB, Lauwerys B, Speziale A, Leon K, Wei X, Laxer RM, Signa S, Rusmini M, Campione E, Chiesa S, Grossi A, Omenetti A, Caorsi R, Viglizzo G, Martini A, Ceccherini I, Gattorno M, Federici S, Frenkel J, Ozen S, Lachmann H, Finetti M, Martini A, Ruperto N, Gattorno M, Federici S, Vanoni F, Ozen S, Hofer M, Frenkel J, Lachmann H, Martini A, Ruperto N, Gattorno M, Gomes SM, Omoyinmi E, Arostegui JI, Gonzalez-Roca E, Eleftheriou D, Klein N, Brogan P, Volpi S, Santori E, Picco P, Pastorino C, Caorsi R, Rice G, Tesser A, Martini A, Crow Y, Candotti F, Gattorno M, Barut K, Sahin S, Adrovic A, Sinoplu AB, Yucel G, Pamuk G, Kasapcopur O, Damian LO, Lazea C, Sparchez M, Vele P, Muntean L, 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Severini GM, Taddio A, Tommasini A, Salugina SO, Fedorov E, Kamenets E, Zaharova E, Kaleda M, Salugina SO, Fedorov E, Kamenets E, Zaharova E, Kaleda M, Sleptsova T, Alexeeva E, Savostyanov K, Pushkov A, Bzarova T, Valieva S, Denisova R, Isayeva K, Chistyakova E, Lomakina O, Soloshenko M, Kaschenko E, Kaneko U, Imai C, Saitoh A, Teixeira VA, Ramos FO, Costa M, Aviel YB, Fahoum S, Brik R, Özçakar ZB, Çakar N, Uncu N, Celikel BA, Yalcinkaya F, Schiappapietra B, Davi’ S, Mongini F, Giannone L, Bava C, Alpigiani MG, Martini A, Ravelli A, Consolaro A, Lazarevic DS, Vojinovic J, Susic G, Basic J, Giancane G, Muratore V, Marzetti V, Quilis N, Benavente BS, Alongi A, Civino A, Quartulli L, Consolaro A, Martini A, Ravelli A, Januskeviciute G, van Dijkhuizen P, Muratore V, Giancane G, Schiappapietra B, Martini A, Ravelli A, Consolaro A, Groot N, van Dijk W, Bultink IEM, Bijl M, Dolhain RJEM, Teng YKO, Zirkzee E, de Leeuw K, Fritsch-Stork R, Kamphuis SSM, Groot N, Kardolus A, Bultink IEM, Bijl M, Dolhain RJEM, Teng YKO, Zirkzee E, de Leeuw K, Fritsch-Stork R, Kamphuis SSM, Suárez RG, Nordal EB, Rypdal VG, Berntson L, Ekelund M, Aalto K, Peltoniemi S, Zak M, Nielsen S, Glerup M, Herlin T, Arnstad ED, Fasth A, Rygg M, Duarte AC, Sousa S, Teixeira L, Cordeiro A, Santos MJ, Mourão AF, Santos MJ, Eusébio M, Lopes A, Oliveira-Ramos F, Salgado M, Estanqueiro P, Melo-Gomes J, Martins F, Costa J, Furtado C, Figueira R, Brito I, Branco JC, Fonseca JE, Canhão H, Mourão AF, Santos MJ, Eusébio M, Lopes A, Oliveira-Ramos F, Salgado M, Estanqueiro P, Melo-Gomes J, Martins F, Costa J, Furtado C, Figueira R, Brito I, Branco JC, Fonseca JE, Canhão H, Coda A, Cassidy S, West K, Hendry G, Grech D, Jones J, Hawke F, Grewal DS, Coda A, Jones J, Grech D, Grewal DS, Foley C, Killeen O, MacDermott E, Veale D, Fearon U, Konukbay D, Demirkaya E, Tarakci E, Arman N, Barut K, Şahin S, Adrovic A, Kasapcopur O, Munro J, Consolaro A, Morgan E, Riebschleger M, Horonjeff J, Strand V, Bingham C, Collante MTM, Ganeva M, Stefanov S, Telcharova A, Mihaylova D, Saraeva R, Tzveova R, Kaneva R, Tsakova A, Temelkova K, Picarelli MMC, Danzmann LC, Barbé-Tuana F, Grun LK, Jones MH, Frković M, Ištuk K, Birkić I, Sršen S, Jelušić M, Smith N, Jandial S, Easton A, Quarmby R, Khubchandani R, Chan M, Rapley T, Foster H, Srp R, Kobrova K, Franova J, Fingerhutova S, Nemcova D, Hoza J, Uher M, Saifridova M, Linkova L, Dolezalova P, Charuvanij S, Leelayuwattanakul I, Pacharapakornpong T, Vallipakorn SAO, Lerkvaleekul B, Vilaiyuk S, Muratore V, Giancane G, Lanni S, Alongi A, Alpigiani MG, Martini A, Ravelli A, Consolaro A, Alongi A, Bovis F, Minoia F, Davì S, Martini A, Ruperto N, Cron RQ, Ravelli A, Passarelli C, Pardeo M, Pisaneschi E, Novelli A, De Benedetti F, Bracaglia C, Bracaglia C, Marafon DP, Caiello I, de Graaf K, Guilhot F, Ferlin W, Davi’ S, Schulert G, Ravelli A, Grom AA, Nelson R, de Min C, De Benedetti F, Holzinger D, Kessel C, Fall N, Grom A, de Jager W, Vastert S, Strippoli R, Bracaglia C, Sundberg E, Horne A, Ehl S, Ammann S, Lehmberg K, De Benedetti F, Beutel K, Foell D, Minoia F, Horne A, Bovis F, Davì S, Pagani L, Espada G, Gao YJ, Insalaco A, Lehmberg K, Sanner H, Shenoi S, Weitzman S, Ruperto N, Martini A, Cron RQ, Ravelli A, Prencipe G, Caiello I, Pascarella A, Bracaglia C, Ferlin WG, Chatel L, Strippoli R, de Min C, De Benedetti F, Jacqmin P, De Graaf K, Ballabio M, Nelson R, Johnson Z, Ferlin W, Lapeyre G, de Benedetti F, Cristina DM, Wakiguchi H, Hasegawa S, Hirano R, Okazaki F, Nakamura T, Kaneyasu H, Ohga S, Yamazaki K, Nozawa T, Kanetaka T, Ito S, Yokota S, McLellan K, MacGregor I, Martin N, Davidson J, Kuemmerle-Deschner J, Hansmann S, Wulffraat N, Eikelberg A, Haug I, Schuller S, Benseler SM, Nazarova LS, Danilko KV, Malievsky VA, Viktorova TV, Mauro A, Omoyinmi E, Barnicoat A, Brogan P, Foley C, Killeen O, MacDermott E, Veale D, Foley C, Killeen O, MacDermott E, Veale D, Gomes SM, Omoyinmi E, Hurst J, Canham N, Eleftheriou D, Klein N, Lacassagne S, Brogan P, Wiener A, Hügle B, Denecke B, Costa-Filho I, Haas JP, Tenbrock K, Popp D, Boltjes A, Rühle F, Herresthal S, de Jager W, van Wijk F, Schultze J, Stoll M, Klotz L, Vogl T, Roth J, Quesada-Masachs E, de la Sierra DÁ, Prat MG, Sánchez AMM, Borrell RP, Barril SM, Gallo MM, Caballero CM, Chyzheuskaya I, Byelyaeva LM, Filonovich RM, Khrustaleva HK, Zajtseva LI, Yuraga TM, Chyzheuskaya I, Byelyaeva LM, Filonovich RM, Khrustaleva HK, Zajtseva LI, Yuraga TM, Giner T, Hackl L, Albrecht J, Würzner R, Brunner J, Pastore S, Minute M, Parentin F, Tesser A, Nocerino A, Taddio A, Tommasini A, Nørgaard M, Herlin T, Alberdi-Saugstrup M, Zak MS, Nielsen SM, Herlin T, Nordal E, Berntson L, Fasth A, Rygg M, Müller KG, Avramovič MZ, Dolžan V, Toplak N, Avčin T, Ruperto N, Lovell DJ, Wallace C, Toth M. Proceedings of the 23rd Paediatric Rheumatology European Society Congress: part two. Pediatr Rheumatol Online J 2017. [PMCID: PMC5461533 DOI: 10.1186/s12969-017-0142-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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De Benedetti F, Anton J, Gattorno M, Lachmann H, Kone-Paut I, Ozen S, Frenkel J, Simon A, Zeft A, Ben-Chetrit E, Hoffman HM, Joubert Y, Lheritier K, Speziale A, Guido J, Caorsi R, Penco F, Grossi A, Insalaco A, Alessio M, Conti G, Marchetti F, Tommasini A, Martino S, Gallizzi R, Salis A, Schena F, Caroli F, Martini A, Damonte G, Ceccherini I, Gattorno M, Frémond ML, Uggenti C, Van Eyck L, Melki I, Duffy D, Bondet V, Rose Y, Neven B, Crow Y, Rodero MP, Kusche Y, Roth J, Barczyk-Kahlert K, Ferrara G, Chiocchetti A, Polizzi S, Vuch J, Vozzi D, Mondino A, Valencic E, Pastore S, Taddio A, Faletra F, Dianzani U, Ramenghi U, Tommasini A, Zhou Q, Yu X, Demirkaya E, Deuitch N, Stone D, Tsai W, Ombrello A, Romeo T, Remmers EF, Chae J, Gadina M, Welch S, Ozen S, Topaloglu R, Abinun M, Kastner DL, Aksentijevich I, Vairo D, Ferraro RM, Zani G, Galli J, De Simone M, Cattalini M, Fazzi E, Giliani S, Omoyinmi E, Standing A, Rowczenio D, Keylock A, Gomes SM, Price-Kuehne F, Nanthapisal S, Murphy C, Cullup T, Jenkins L, Gilmour K, Eleftheriou D, Lachmann H, Hawkins P, Klein N, Brogan P, Nikolayenko VB, Şahin K, Karaaslan Y, Civino A, Alighieri G, Davì S, Rondelli R, Martino S, Filocamo G, Magnolato A, Dhanrajani A, Ricci F, Gallizzi R, Olivieri A, Gerloni V, Lattanzi B, Soscia F, De Fanti A, Manzoni SM, Citiso S, Quartulli L, Chan M, La Torre F, Rigante D, Maggio MC, Marsili M, Pelagatti MA, Conter V, Fagioli F, Lepore L, Pession A, Ravelli A, Pau S, Consolaro A, Ruperto N, Garrone M, Rinaldi M, De Inocencio J, Demirkaya E, Garay S, Foell D, Lovell DJ, Lazar C, Ellsworth J, Nielsen S, Flato B, Martini A, Ravelli A, Marasco E, Aquilani A, Cascioli S, Caiello I, Moneta GM, Pires-Marafón D, Guzman J, Magni-Manzoni S, Carsetti R, De Benedetti F, Robinson E, Albani S, Beresford MW, de Jager W, de Roock S, Duong T, Ellis J, Aeschlimann FA, Hyrich K, Jervis L, Lovell D, Marshall L, Mellins ED, Minden K, Munro J, Nigrovic PA, Palman J, Roth J, Twilt M, Ruperto N, Sampath S, Schanberg LE, Thompson SD, Thomson W, Vesely R, Wallace C, Williams C, Wu Q, Wulffraat N, Eng SW, Yeung RSM, Prakken B, Wedderburn LR, Horneff G, Seyger MB, Arikan D, Kalabic J, Anderson JK, Lazar A, Williams DA, Sheikh S, Wang C, Tarzynski-Potempa R, Hymans JS, Simonini G, Scoccimarro E, Pontikaki I, Ferrara G, Giani T, Ventura A, Meroni PL, Laxer RM, Cimaz R, Minnone G, Soligo M, Caiello I, Prencipe G, Marafon DP, Magni-Manzoni S, Manni L, De Benedetti F, Laudiero LB, Hebert D, Groot N, Grein I, Wulffraat NM, Schepp R, Berbers G, de Souza CCBS, Ferriani VPL, Pileggi G, de Roock S, Grein IHR, Noone D, Scala S, Patrone E, Schoemaker C, Costello W, Wulffraat N, Parsons S, McDonagh J, Thomson W, Cohen JD, Bentayou D, Pagnoux C, Brunel MAB, Trope S, Klotsche J, Listing M, Niewerth M, Horneff G, Thon A, Huppertz HI, Mönkemöller K, Foeldvari I, Benseler SM, Föll D, Minden K, Marino A, Stagi S, Carli N, Bertini F, Giani T, Simonini G, Cimaz R, Díaz-Maldonado AS, Yeung RS, Pino S, Guarnizo P, Torres-Jimenez AR, Sanchez-Jara B, Solis-Vallejo E, Cespedes-Cruz AI, Zeferino-Cruz M, Ramirez-Miramontes JV, Kumar A, Gupta A, Kessel C, Suri D, Rawat A, Kakkar N, Singh S, Makay B, Gücenmez ÖA, Ünsal E, Magnusson B, Mördrup K, Vermé A, Lippitz K, Peterson C, Freychet C, Stephan JL, Hofer M, Belot A, Harkness CE, Rooney M, Foster L, Henry E, Taggart P, Weinhage T, Simsek D, Ozkececi CF, Kurt E, Basbozkurt G, Gok F, Demirkaya E, Gorczyca D, Postępski J, Czajkowska A, Szponar B, Hinze C, Paściak M, Gruenpeter A, Lachór-Motyka I, Augustyniak D, Olesińska E, Asuka ES, Golovko T, Aliejim SU, Clemente EI, Jimenez EI, Wittkowski H, Hernandez JC, Fernandez SB, Roca CG, Romo DM, Nieva NR, Angarita JMM, Lopez JA, Nuñez-Cuadros E, Diaz-Cordovés G, Galindo-Zavala R, Holzinger D, Urda-Cardona A, Fernández-Nebro A, Quesada-Masachs E, de la Sierra DÁ, Prat MG, Gallo MM, Borrell RP, Barril SM, Sánchez AMM, Caballero CM, Grün N, Merlin E, Breton S, Fraitag S, Stephan JL, Wouters C, Bodemer C, 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Acevedo N, Diaz T, Ramirez Y, Faugier E, Maldonado R, Arabshahi B, Lee JH, Leibowitz I, Okong’o LO, Arıcı S, Wilmshurst J, Esser M, Scott C, Batu ED, Emiroglu N, Sonmez HE, Tugcu GD, Arici ZS, Yalcin E, Dogru D, Simsek D, Ozcelik U, Bilginer Y, Haliloglu M, Kiper N, Ozen S, Yashiro M, Yamada M, Yabuuchi T, Kikkawa T, Nosaka N, Cakan M, Fujii Y, Saito Y, Tsukahara H, Al-Mayouf SM, AlMutiari N, Muzaffer M, shehata R, Al-Wahadneh A, Abdwani R, Al-Abrawi S, Batu ED, Abu-shukair M, El-Habahbeh Z, Alsonbul A, Szabat A, Chęć M, Opoka-Winiarska V, Kumar A, Gupta A, Rawat A, Saikia B, Şahin S, Minz RW, Suri D, Singh S, Arango C, Malagon C, Gomez MDP, Mosquera AC, Yepez R, Gonzalez T, Vargas C, Kısaarslan A, Zulian F, Balzarin M, Castaldi B, Reffo E, Sperotto F, Martini G, Meneghel A, Milanesi O, Foeldvari I, Klotsche J, Yilmaz E, Kasapçopur O, Adrovic A, Stanevicha V, Terreri MT, Alexeeva E, Katsicas M, Cimaz R, Kostik M, Lehman T, Sifuentes-Giraldo WA, Basaran Ö, Smith V, Sztajnbok F, Avcin T, 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Cantarini L, Lepore L, Alessio M, Penades IC, Boros C, Consolini R, Rigante D, Russo R, Schmid JP, Lane T, Martini A, Ruperto N, Frenkel J, Gattorno M, Passarelli C, Pisaneschi E, Messia V, Pardeo M, Novelli A, Debenedetti F, Insalaco A, Brogan PA, Hofer M, Kuemmerle-Deschner JB, Lauwerys B, Speziale A, Wei X, Laxer R, Insalaco A, Marafon DP, Finetti M, Pardeo M, Martino S, Cattalini M, Alessio M, Orlando F, Taddio A, Pastore S, Cortis E, Miniaci A, Ruperto N, Martini A, De Benedetti F, Gattorno M, Eijkelboom C, ter Haar N, Cantarini L, Finetti M, Brogan P, Dolezalova P, Koné-Paut I, Insalaco A, Jelusic-Drazic M, Bezrodnik L, Pinedo MC, Stanevicha V, van Gijn M, Federici S, Ruperto N, Frenkel J, Gattorno M, Girschick H, Finetti M, Orlando F, Insalaco A, Ganser G, Nielsen S, Herlin T, Koné-Paut I, Martino S, Cattalini M, Anton J, Al-Mayouf SM, Hofer M, Quartier P, Boros C, Kuemmerle-Deschner J, Schalm S, Alessio M, Ruperto N, Martini A, Jansson A, Gattorno M, Finetti M, Marchi M, Marini C, Doglio M, Malattia C, Ravelli A, Martini A, Garaventa A, Gattorno M, Bertoni A, Carta S, Balza E, Castellani P, Pellecchia C, Penco F, Schena F, Borghini S, Trotta ML, Pastorino C, Ceccherini I, Martini A, Gattorno M, Rubartelli A, Chiesa S, Guzman J, Henrey A, Loughin T, Berard R, Shiff N, Jurencak R, Benseler S, Tucker L, Papadopoulou C, Hong Y, Krol P, Ioannou Y, Pilkington C, Chaplin H, Simou S, Charakida M, Wedderburn L, Brogan P, Eleftheriou D, Spiegel LR, Kohut SA, Stinson J, Forgeron P, Kaufman M, Luca N, Amaria K, Bell M, Swart J, Boris F, Castagnola E, Groll A, Giancane G, Horneff G, Huppertz HI, Lovell D, Wolfs T, Hofer M, Alekseeva E, Panaviene V, Nielsen S, Anton J, Uettwiller F, Stanevicha V, Trachana M, De Benedetti F, Ailioaie LM, Tsitami E, Kamphuis S, Herlin T, Dolezalova P, Susic G, Sztajnbok F, Flato B, Pistorio A, Martini A, Wulffraat N, Ruperto N, Shoop SJW, Verstappen SMM, McDonagh JE, Thomson W, Hyrich KL, Tarkiainen M, Tynjala P, Lahdenne P, Martikainen J, Wilkinson M, Piper C, Otto G, Deakin CT, Dowle S, Simou S, Kelberman D, Ioannou Y, Mauri C, Jury E, Isenberg D, Wedderburn LR, Nistala K, Foeldvari I, Ruperto N, Lovell DJ, Horneff G, Huppertz HI, Quartier P, Simonini G, Bereswill M, Kalabic J, Martini A, Brunner HI, Oen K, Guzman J, Feldman BM, Dufault B, Lee J, Shiff N, Duffy KW, Tucker L, Duffy C, Ruperto N, Lovell DJ, Tzaribachev N, Vega-Cornejo G, Louw I, Berman A, Calvo I, Cuttica R, Horneff G, Avila-Zapata F, Anton J, Cimaz R, Solau-Gervais E, Joos R, Espada G, Li X, Nys M, Wong R, Banerjee S, Martini A, Brunner HI, Nicolai R, Marafon DP, Verardo M, D’Amico A, Bracci-Laudiero L, De Benedetti F, Moneta GM, Belot A, Rice G, Mathieu AL, Omarjee SO, Bader-Meunier B, Walzer T, Briggs TA, O’Sullivan J, Williams S, Cimaz R, Smith E, Beresford MW, Crow YJ, Rooney M, Bishop N, davidson J, pilkington C, Beresford M, Clinch J, Satyapal R, Foster H, Medwin JG, McDonagh J, Wyatt S, Modignani VL, Baldo F, Lanni S, Consolaro A, Ravelli A, Filocamo G, Omenetti A, Frenkel J, Lachmann HJ, Ozen S, Ruperto N, Gattorno M, Insalaco A, Moneta G, Pardeo M, Passarelli C, Celani C, Messia V, De Benedetti F, Cherqaoui B, Rossi-Semerano L, Dusser P, Hentgen V, Koné-Paut I, Grimwood C, Dusser P, Rossi L, Paut IK, Hentgen V, Lasigliè D, Ferrera D, Amico G, Di Duca M, Caorsi R, Lepore L, Insalaco A, Cattalini M, Obici L, Consolini R, Ravazzolo R, Martini A, Ceccherini I, Nishikomori R, Arostegui J, Gattorno M, Borghini S, Penco F, Petretto A, Lavarello C, Inglese E, Omenetti A, Finetti M, Pastorino C, Bertoni A, Gattorno M, Vanoni F, Federici S, Ozen S, Frenkel J, Lachmann H, Martini A, Ruperto N, Gattorno M, Hofer M, Kuemmerle-Deschner JB, Hoffman HM, Hawkins PN, van der Poll T, Walker UA, Speziale A, Joubert Y, Tilson HH, Kuemmerle-Deschner J, Ozen S, Tyrrell PN, Koné-Paut I, Goldbach-Mansky R, Lachmann H, Blank N, Hoffman HM, Weissbarth-Riedel E, Huegle B, Kallinich T, Gattorno M, Gul A, ter Haar NM, Oswald M, Dedeoglu F, Benseler SM, Hanaya A, Miyamae T, Kawamoto M, Tani Y, Hara T, Kawaguchi Y, Nagata S, Yamanaka H, Ćosićkić A, Skokić F, Čolić B, Suljendić S, Kozlova A, Mersiyanova I, Panina M, Hachtryan L, Burlakov V, Raikina E, Maschan A, Shcherbina A, Acar B, Albayrak M, Sozeri B, Sahin S, Barut K, Adrovic A, Inan N, Sevgi S, Kasapcopur O, Andreasen CM, Jurik AG, Glerup MB, Høst C, Mahler BT, Hauge EM, Herlin T, Lazea C, Damian L, Lazar C, Manasia R, Stephenson CM, Prajapati V, Miettunen PM, Yılmaz D, Tokgöz Y, Bulut Y, Çakmak H, Sönmez F, Comak E, Aksoy GK, Koyun M, Akman S, Arıkan Y, Terzioğlu E, Özdeş ON, Keser İ, Koçak H, Bingöl A, Yılmaz A, Artan R, De Benedetti F, Anton J, Gattorno M, Lachmann H, Kone-Paut I, Ozen S, Frenkel J, Simon A, Zeft A, Ben-Chetrit E, Hoffman HM, Joubert Y, Lheritier K, Speziale A, Guido J, Xu X, Mehregan FF, Ziaee V, Moradinejad MH, Ferrara G, Pastore S, Insalaco A, Pardeo M, Tommasini A, La Torre F, Alizzi C, Cimaz R, Finetti M, Gattorno M, D’Adamo P, Taddio A, Lachmann H, Simon A, Anton J, Gattorno M, Kone-Paut I, Ozen S, Frenkel J, Ben-Chetrit E, Hoffman H, Zeft A, Joubert Y, Lheritier K, Speziale A, Junge G, Gregson J, De Benedetti F, Sargsyan H, Sargsyan H, Zengin H, Fidanci BE, Kaymakamgil C, Konukbay D, Simsek D, Batu ED, Yildiz D, Gok F, Ozen S, Demirkaya E, Stoler I, Freytag J, Orak B, Seib C, Esmann L, Seipelt E, Gohar F, Foell D, Wittkowski H, Kallinich T, Dursun I, Tulpar S, Yel S, Kartal D, Borlu M, Bastug F, Poyrazoglu H, Gunduz Z, Kose K, Yuksel ME, Calıskan A, Cekgeloglu AB, Dusunsel R, Bouchalova K, Franova J, Schuller M, Macku M, Theodoropoulou K, Carlomagno R, von Scheven-Gête A, Poloni C, Hofer M, Damian LO, Cosma D, Radulescu A, Vasilescu D, Rogojan L, Lazar C, Rednic S, Lupse M, De Somer L, Moens P, Wouters C, Zavala RG, Pedraz LM, Cuadros EN, Rego GDC, Cardona ALU, Zavala RG, Pedraz LM, Cuadros EN, Rego GDC, Cardona ALU, Forno ID, Pieropan S, Viapiana O, Gatti D, Dallagiacoma G, Caramaschi P, Biasi D, Windschall D, Trauzeddel R, Lehmann H, Ganser G, Berendes R, Haller M, Krumrey-Langkammerer M, Nimtz-Talaska A, Schoof P, Trauzeddel RF, Nirschl C, Quesada-Masachs E, Blancafort CA, Barril SM, Caballero CM, Aguiar F, Fonseca R, Alves D, Vieira A, Vieira A, Dias JA, Brito I, Susic G, Milic V, Radunovic G, Boricic I, Marteau P, Adamsbaum C, Rossi-Semerano L, De Bandt M, Lemelle I, Deslandre C, Tran TA, Lohse A, Solau-Gervais E, Pillet P, Bader-Meunier B, Wipff J, Gaujoux-Viala C, Breton S, Devauchelle-Pensec V, Gran S, Fehler O, Zenker S, Schäfers M, Roth J, Vogl T, Czitrom SG, Foell D, Holzinger D, Lanni S, Van Dijkhuizen EHP, Manzoni SM, Marafon DP, Magnaguagno F, de Horatio LT, Ter Haar NM, Littooij AS, Vastert SJ, De Benedetti F, Ravelli A, Martini A, Malattia C, Teixeira VA, Campanilho-Marques R, Mourão AF, Ramos FO, Costa M, Madan WA, Killeen OG, Vidal AR, Delgado DS, Fernandez MIG, Montesinos BL, Penades IC, Kozhevnikov A, Pozdeeva N, Konev M, Melchenko E, Kenis V, Novik G, Sozeri B, Kısaarslan AP, Gunduz Z, Poyrazoglu H, Dusunsel R, Lerkvaleekul B, Jaovisidha S, Sungkarat W, Chitrapazt N, Fuangfa P, Ruangchaijatuporn T, Vilaiyuk S, Pradsgaard DØ, Hørlyck A, Spannow AH, Heuck CW, Herlin T, Diaz T, Garcia F, De La Cruz L, Rubio N, Świdrowska-Jaros J, Smolewska E, Lamot M, Lamot L, Vidovic M, Bosak EP, Rados I, Harjacek M, Tzaribachev N, Louka P, Hagoug R, Trentin C, Kubassova O, Hinton M, Boesen M, Oshlianska OA, Chaikovsky IA, Mjasnikov G, Kazmirchyk A, Garagiola U, Borzani I, Cressoni P, Corona F, Dzsida E, Farronato G, Garagiola U, Cressoni P, Corona F, Petaccia A, Dzsida E, Farronato G, Gagro A, Pasini AM, Roic G, Vrdoljak O, Lujic L, Zutelija-Fattorini M, Esser MM, Abraham DR, Kinnear C, Durrheim G, Urban M, Hoal E, Crow Y, Oshlianska OA. Proceedings of the 23rd Paediatric Rheumatology European Society Congress: part one. Pediatr Rheumatol Online J 2017. [PMCID: PMC5461530 DOI: 10.1186/s12969-017-0141-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
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Schena F, Menale C, Caci E, Diomede L, Palagano E, Recordati C, Sandri M, Tampieri A, Bortolomai I, Capo V, Pastorino C, Bertoni A, Gattorno M, Martini A, Villa A, Traggiai E, Sobacchi C. Murine Rankl -/- Mesenchymal Stromal Cells Display an Osteogenic Differentiation Defect Improved by a RANKL-Expressing Lentiviral Vector. Stem Cells 2017; 35:1365-1377. [PMID: 28100034 DOI: 10.1002/stem.2574] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Revised: 12/02/2016] [Accepted: 12/26/2016] [Indexed: 01/08/2023]
Abstract
Autosomal recessive osteopetrosis (ARO) is a severe bone disease characterized by increased bone density due to impairment in osteoclast resorptive function or differentiation. Hematopoietic stem cell transplantation is the only available treatment; however, this therapy is not effective in RANKL-dependent ARO, since in bone this gene is mainly expressed by cells of mesenchymal origin. Of note, whether lack of RANKL production might cause a defect also in the bone marrow (BM) stromal compartment, possibly contributing to the pathology, is unknown. To verify this possibility, we generated and characterized BM mesenchymal stromal cell (BM-MSC) lines from wild type and Rankl-/- mice, and found that Rankl-/- BM-MSCs displayed reduced clonogenicity and osteogenic capacity. The differentiation defect was significantly improved by lentiviral transduction of Rankl-/- BM-MSCs with a vector stably expressing human soluble RANKL (hsRANKL). Expression of Rankl receptor, Rank, on the cytoplasmic membrane of BM-MSCs pointed to the existence of an autocrine loop possibly activated by the secreted cytokine. Based on the close resemblance of RANKL-defective osteopetrosis in humans and mice, we expect that our results are also relevant for RANKL-dependent ARO patients. Data obtained in vitro after transduction with a lentiviral vector expressing hsRANKL would suggest that restoration of RANKL production might not only rescue the defective osteoclastogenesis of this ARO form, but also improve a less obvious defect in the osteoblast lineage, thus possibly achieving higher benefit for the patients, when the approach is translated to clinics. Stem Cells 2017;35:1365-1377.
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Affiliation(s)
- Francesca Schena
- Laboratory of Immunology and Rheumatic Diseases, Pediatrics II, Genova, Italy
| | - Ciro Menale
- Milan Unit, CNR-IRGB, Milan, Italy.,Laboratory of Human Genome, Humanitas Clinical and Research Institute, Rozzano, Italy
| | - Emanuela Caci
- Molecular Genetics Laboratory G. Gaslini Children's Hospital, Genova, Italy
| | - Lorenzo Diomede
- Milan Unit, CNR-IRGB, Milan, Italy.,Laboratory of Human Genome, Humanitas Clinical and Research Institute, Rozzano, Italy
| | - Eleonora Palagano
- Laboratory of Human Genome, Humanitas Clinical and Research Institute, Rozzano, Italy.,Department of Medical Biotechnologies and Translational Medicine, University of Milan, Milan, Italy
| | - Camilla Recordati
- Mouse and Animal Pathology Laboratory, Fondazione Filarete, Milano, Italy
| | - Monica Sandri
- ISTEC-CNR, Institute of Science & Technology for Ceramics, National Research Council of Italy, Faenza, Italy
| | - Anna Tampieri
- ISTEC-CNR, Institute of Science & Technology for Ceramics, National Research Council of Italy, Faenza, Italy
| | - Ileana Bortolomai
- Milan Unit, CNR-IRGB, Milan, Italy.,San Raffaele Telethon Institute for Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | - Valentina Capo
- San Raffaele Telethon Institute for Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
| | - Claudia Pastorino
- Laboratory of Immunology and Rheumatic Diseases, Pediatrics II, Genova, Italy
| | - Arinna Bertoni
- Laboratory of Immunology and Rheumatic Diseases, Pediatrics II, Genova, Italy.,Centre of Excellence for Biomedical Research, University of Genoa, Genova, Italy
| | - Marco Gattorno
- Laboratory of Immunology and Rheumatic Diseases, Pediatrics II, Genova, Italy
| | - Alberto Martini
- Laboratory of Immunology and Rheumatic Diseases, Pediatrics II, Genova, Italy
| | - Anna Villa
- Milan Unit, CNR-IRGB, Milan, Italy.,Laboratory of Human Genome, Humanitas Clinical and Research Institute, Rozzano, Italy
| | - Elisabetta Traggiai
- Laboratory of Immunology and Rheumatic Diseases, Pediatrics II, Genova, Italy.,Novartis Institute for Biomedical Research, Klybeckstrasse, Basel, Switzerland
| | - Cristina Sobacchi
- Milan Unit, CNR-IRGB, Milan, Italy.,Laboratory of Human Genome, Humanitas Clinical and Research Institute, Rozzano, Italy
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Gilles FM, Llubaroff R, Pastorino C. Fluctuation-induced forces between rings threaded around a polymer chain under tension. Phys Rev E 2016; 94:032503. [PMID: 27739844 DOI: 10.1103/physreve.94.032503] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Indexed: 06/06/2023]
Abstract
We characterize the fluctuation properties of a polymer chain under external tension and the fluctuation-induced forces between two ring molecules threaded around the chain. The problem is relevant in the context of fluctuation-induced forces in soft-matter systems, features of liquid interfaces, and to describe the properties of polyrotaxanes and slide-ring materials. We perform molecular-dynamics simulations of the Kremer-Grest bead-spring model for the polymer and a simple ring-molecule model in the canonical ensemble. We study transverse fluctuations of the stretched chain as a function of chain stretching and in the presence of ring-shaped threaded molecules. The fluctuation spectra of the chains are analyzed in equilibrium at constant temperature, and the differences in the presence of two-ring molecules are compared. For the rings located at fixed distances, we find an attractive fluctuation-induced force between the rings, proportional to the temperature and decaying with the ring distance. We characterize this force as a function of ring distance, chain stretching, and ring radius, and we measure the differences between the free chain spectrum and the fluctuations of the chain constrained by the rings. We also compare the dependence and range of the force found in the simulations with theoretical models coming from different fields.
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Affiliation(s)
- F M Gilles
- Departamento de Física de la Materia Condensada, CAC-CNEA, Av. Gral. Paz 1499, 1650, Pcia. de Buenos Aires, Argentina
- CONICET, Godoy Cruz 2290 (C1425FQB), Buenos Aires, Argentina
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, La Plata 1900, Argentina
| | - R Llubaroff
- Departamento de Física de la Materia Condensada, CAC-CNEA, Av. Gral. Paz 1499, 1650, Pcia. de Buenos Aires, Argentina
- Facultad Regional Avellaneda, Universidad Tecnológica Nacional (UTN-FRA), Buenos Aires, Argentina
| | - C Pastorino
- Departamento de Física de la Materia Condensada, CAC-CNEA, Av. Gral. Paz 1499, 1650, Pcia. de Buenos Aires, Argentina
- CONICET, Godoy Cruz 2290 (C1425FQB), Buenos Aires, Argentina
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Bertoni A, Carta S, Balza E, Catellani P, Pellecchia C, Penco F, Schena F, Borghini S, Trotta ML, Pastorino C, Ceccherini I, Martini A, Rubartelli A, Gattorno M, Chiesa S. Cryopyrin associated periodic syndromes (CAPS): immunological characterization of knock-in mouse model to exploit novel approaches for the modulation of the NLRP3 inflammasome. Pediatr Rheumatol Online J 2015. [PMCID: PMC4600051 DOI: 10.1186/1546-0096-13-s1-p200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Barragán Vidal IA, Rosetti CM, Pastorino C, Müller M. Measuring the composition-curvature coupling in binary lipid membranes by computer simulations. J Chem Phys 2015; 141:194902. [PMID: 25416907 DOI: 10.1063/1.4901203] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The coupling between local composition fluctuations in binary lipid membranes and curvature affects the lateral membrane structure. We propose an efficient method to compute the composition-curvature coupling in molecular simulations and apply it to two coarse-grained membrane models-a minimal, implicit-solvent model and the MARTINI model. Both the weak-curvature behavior that is typical for thermal fluctuations of planar bilayer membranes as well as the strong-curvature regime corresponding to narrow cylindrical membrane tubes are studied by molecular dynamics simulation. The simulation results are analyzed by using a phenomenological model of the thermodynamics of curved, mixed bilayer membranes that accounts for the change of the monolayer area upon bending. Additionally the role of thermodynamic characteristics such as the incompatibility between the two lipid species and asymmetry of composition are investigated.
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Affiliation(s)
- I A Barragán Vidal
- Institut für Theoretische Physik, Georg-August-Universität, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany
| | - C M Rosetti
- Centro de Investigaciones en Química Biológica de Córdoba, Departamento de Química Biológica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, Córdoba, Argentina
| | - C Pastorino
- Departamento de Física de la Materia Condensada, Centro Atómico Constituyentes, CNEA/CONICET, Av. Gral. Paz 1499, 1650 Pcia. de Buenos Aires, Argentina
| | - M Müller
- Institut für Theoretische Physik, Georg-August-Universität, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany
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Speyer K, Pastorino C. Brushes of semiflexible polymers in equilibrium and under flow in a super-hydrophobic regime. Soft Matter 2015; 11:5473-5484. [PMID: 26061866 DOI: 10.1039/c5sm01075f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We performed molecular dynamics simulations to study the equilibrium and flow properties of a liquid in a nano-channel with confining surfaces coated with a layer of grafted semiflexible polymers. The coverage spans a wide range of grafting densities from essentially isolated chains to dense brushes. The end-grafted polymers were described by a bead spring model with a harmonic potential to include the bond stiffness of the chains. We varied the rigidity of the chains, from fully flexible polymers to rigid rods, in which the configurational entropy of the chains is negligible. The brush-liquid interaction was tuned to obtain a super-hydrophobic channel, in which the liquid did not penetrate the polymer brush, giving rise to a Cassie-Baxter state. Equilibrium properties such as brush height and bending energy were measured, varying the grafting density and the stiffness of the polymers. We also studied the characteristics of the brush-liquid interface and the morphology of the polymer chains supporting the liquid for different bending rigidities. Non-equilibrium simulations were performed, moving the walls of the channel in opposite directions at constant speed, obtaining a Couette velocity profile in the bulk liquid. The molecular degrees of freedom of the polymers were studied as a function of the Weissenberg number. Also, the violation of the no-slip boundary condition and the slip properties were analyzed as a function of the shear rate, grafting density and bending stiffness. At high grafting densities, a finite slip length independent of the shear rate or bending constant was found, while at low grafting densities a very interesting non-monotonic dependence on the bending constant is observed.
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Affiliation(s)
- K Speyer
- Departamento de Física de la Materia Condensada, Centro Atómico Constituyentes, CNEA, Av. Gral. Paz 1499, 1650 Pcia. de Buenos Aires, Argentina.
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Schena F, Volpi S, Pastorino C, Caorsi R, Omenetti A, Penco F, Chiesa S, Bertoni A, Picco P, Aksentijevich I, Martini A, Traggiai E, Gattorno M. AB0644 B Cell Characterization in ADA2 Deficiency Patients. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.4554] [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: 11/03/2022]
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Omenetti A, Carta S, Caorsi R, Delfino L, Penco F, Finetti M, Pastorino C, Martini A, Rubartelli A, Gattorno M. OP0195 Enhanced NLRP3-Dependent Interleukin-1B Secretion Correlates with Disease Activity in Pyogenic Sterile Arthritis Pyoderma Gangrenosum and Severe ACNE (PAPA) Syndrome. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.3360] [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: 11/03/2022]
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Bertoni A, Carta S, Balza E, Castellani P, Pellecchia C, Penco F, Schena F, Borghini S, Trotta M, Pastorino C, Ceccherini I, Martini A, Rubartelli A, Gattorno M, Chiesa S. SAT0001 Cryopyrin Associated Periodic Syndromes (CAPS): Investigations on Knock-In Mouse Model to Exploit Novel Approaches for the Modulation of the NLRP3 Inflammasome. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.4823] [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: 11/04/2022]
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Rongioletti F, Cecchi F, Pastorino C, Scaparro M. Successful management of refractory angiolymphoid hyperplasia with eosinophilia with thalidomide. J Eur Acad Dermatol Venereol 2015; 30:527-9. [DOI: 10.1111/jdv.12925] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- F. Rongioletti
- Department of Health Sciences; DISSAL; Section of Dermatology; IRCSS-AOU S.Martino-IST; University of Genoa; viale Benedetto XV 7 Genoa 16132 Italy
| | - F. Cecchi
- Department of Health Sciences; DISSAL; Section of Dermatology; IRCSS-AOU S.Martino-IST; University of Genoa; viale Benedetto XV 7 Genoa 16132 Italy
| | - C. Pastorino
- Department of Health Sciences; DISSAL; Section of Dermatology; IRCSS-AOU S.Martino-IST; University of Genoa; viale Benedetto XV 7 Genoa 16132 Italy
| | - M. Scaparro
- Department of Health Sciences; DISSAL; Section of Dermatology; IRCSS-AOU S.Martino-IST; University of Genoa; viale Benedetto XV 7 Genoa 16132 Italy
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Affiliation(s)
- F Drago
- Section of Dermatology - Department of Health Sciences (Di.S.Sal), University of Genoa, Genoa, Italy
| | - C Pastorino
- Section of Dermatology - Department of Health Sciences (Di.S.Sal), University of Genoa, Genoa, Italy
| | - F Cecchi
- Section of Dermatology - Department of Health Sciences (Di.S.Sal), University of Genoa, Genoa, Italy
| | - A Parodi
- Section of Dermatology - Department of Health Sciences (Di.S.Sal), University of Genoa, Genoa, Italy
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Abstract
We use analytical calculations and event-driven molecular dynamics simulations to study a small number of hard sphere particles in a spherical cavity. The cavity is also taken as the thermal bath so that the system thermalizes by collisions with the wall. In that way, these systems of two, three, and four particles, are considered in the canonical ensemble. We characterize various mean and thermal properties for a wide range of number densities. We study the density profiles, the components of the local pressure tensor, the interface tension, and the adsorption at the wall. This spans from the ideal gas limit at low densities to the high-packing limit in which there are significant regions of the cavity for which the particles have no access, due the conjunction of excluded volume and confinement. The contact density and the pressure on the wall are obtained by simulations and compared to exact analytical results. We also obtain the excess free energy for N = 4, by using a simulated-assisted approach in which we combine simulation results with the knowledge of the exact partition function for two and three particles in a spherical cavity.
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Affiliation(s)
- I Urrutia
- Departamento de Física de la Materia Condensada, Centro Atómico Constituyentes, CNEA, Av. Gral. Paz 1499, 1650 Pcia. de Buenos Aires, Argentina
| | - C Pastorino
- Departamento de Física de la Materia Condensada, Centro Atómico Constituyentes, CNEA, Av. Gral. Paz 1499, 1650 Pcia. de Buenos Aires, Argentina
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Pastorino C, Müller M. Mixed brush of chemically and physically adsorbed polymers under shear: Inverse transport of the physisorbed species. J Chem Phys 2014; 140:014901. [DOI: 10.1063/1.4851195] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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Goicochea AG, Mayoral E, Klapp J, Pastorino C. Nanotribology of biopolymer brushes in aqueous solution using dissipative particle dynamics simulations: an application to PEG covered liposomes in a theta solvent. Soft Matter 2014; 10:166-174. [PMID: 24652222 DOI: 10.1039/c3sm52486h] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
We undertake the investigation of sheared polymer chains grafted onto flat surfaces to model liposomes covered with polyethylene glycol brushes as a case study for the mechanisms of efficient drug delivery in biologically relevant situations, for example, as carriers for topical treatments of illnesses in the human vasculature. For these applications, specific rheological properties are required, such as low viscosity at high shear rates, to improve the transport of the liposomes. Therefore, extensive non-equilibrium, coarse-grained dissipative particle dynamics simulations of polymer brushes of various lengths and shear rates are performed to obtain the average viscosity and the friction coefficient of the system as functions of the shear rate and polymerization degree under theta-solvent conditions, and we find that the brushes experience considerable shear thinning at large shear rates. The viscosity (η) and the friction coefficient (μ) are shown to obey the scaling laws η ∼ γ dot above (-0.31) and μ ∼ γ dot above (0.69) at high shear rates (γ dot above) in a theta solvent, irrespective of the degree of polymerization of brushes. These results confirm recent scaling predictions and reproduce very well trends in measurements of the viscosity at a high shear rate (γ dot above) of red blood cells in a liposome containing medium.
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Affiliation(s)
- A Gama Goicochea
- Instituto Nacional de Investigaciones Nucleares, Carretera México-Toluca s/n, La Marquesa Ocoyoacac, Estado de México 52750, Mexico.
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Omenetti A, Caorsi R, Carta S, Delfino L, Penco F, Pastorino C, Schena F, Martini A, Rubartelli A, Gattorno M. PReS-FINAL-2324: PAPA syndrome clinical spectrum and IL-1Β release. Pediatr Rheumatol Online J 2013. [PMCID: PMC4044204 DOI: 10.1186/1546-0096-11-s2-p314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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26
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Rosetti C, Pastorino C. Comparison of Ternary Bilayer Mixtures with Asymmetric or Symmetric Unsaturated Phosphatidylcholine Lipids by Coarse Grained Molecular Dynamics Simulations. J Phys Chem B 2012; 116:3525-37. [DOI: 10.1021/jp212406u] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- C. Rosetti
- Departamento de Física, Centro Atómico Constituyentes CNEA, Av. Gral.
Paz 1499, 1650 San Martín, Buenos Aires, Argentina
- CONICET, Avda. Rivadavia 1917, C1033AAJ Cdad. de Buenos Aires, Buenos Aires,
Argentina
| | - C. Pastorino
- Departamento de Física, Centro Atómico Constituyentes CNEA, Av. Gral.
Paz 1499, 1650 San Martín, Buenos Aires, Argentina
- CONICET, Avda. Rivadavia 1917, C1033AAJ Cdad. de Buenos Aires, Buenos Aires,
Argentina
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Léonforte F, Servantie J, Pastorino C, Müller M. Molecular transport and flow past hard and soft surfaces: computer simulation of model systems. J Phys Condens Matter 2011; 23:184105. [PMID: 21508476 DOI: 10.1088/0953-8984/23/18/184105] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The equilibrium and flow of polymer films and drops past a surface are characterized by the interface and surface tensions, viscosity, slip length and hydrodynamic boundary position. These parameters of the continuum description are extracted from molecular simulations of coarse-grained models. Hard, corrugated substrates are modelled by a Lennard-Jones solid while polymer brushes are studied as prototypes of soft, deformable surfaces. Four observations are discussed. (i) If the surface becomes strongly attractive or is coated with a brush, the Navier boundary condition fails to describe the effect of the surface independently of the strength and type of the flow. This failure stems from the formation of a boundary layer with an effective, higher viscosity. (ii) In the case of brush-coated surfaces, flow induces a cyclic, tumbling motion of the tethered chain molecules. Their collective motion gives rise to an inversion of the flow in the vicinity of the grafting surfaces and leads to strong, non-Gaussian fluctuations of the molecular orientations. The flow past a polymer brush cannot be described by Brinkman's equation. (iii) The hydrodynamic boundary condition is an important parameter for predicting the motion of polymer droplets on a surface under the influence of an external force. Their steady-state velocity is dictated by a balance between the power that is provided by the external force and the dissipation. If there is slippage at the liquid-solid interface, the friction at the solid-liquid interface and the viscous dissipation of the flow inside the drop will be the dominant dissipation mechanisms; dissipation at the three-phase contact line appears to be less important on a hard surface. (iv) On a soft, deformable substrate like a polymer brush, we observe a lifting-up of the three-phase contact line. Controlling the grafting density and the incompatibility between the brush and the polymer liquid we can independently tune the softness of the surface and the contact angle and thereby identify the parameters for maximizing the deformation at the three-phase contact.
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Affiliation(s)
- F Léonforte
- Institut für Theoretische Physik, Georg-August-Universität, 37077 Göttingen, Germany
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Rosetti C, Pastorino C. Polyunsaturated and Saturated Phospholipids in Mixed Bilayers: A Study from the Molecular Scale to the Lateral Lipid Organization. J Phys Chem B 2011. [DOI: 10.1021/jp200908m] [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: 11/30/2022]
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Rosetti C, Pastorino C. Polyunsaturated and Saturated Phospholipids in Mixed Bilayers: A Study from the Molecular Scale to the Lateral Lipid Organization. J Phys Chem B 2010; 115:1002-13. [DOI: 10.1021/jp1082888] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- C. Rosetti
- Departamento de Física, Centro Atómico Constituyentes CNEA, Av. Gral. Paz 1499, 1650 San Martín, Buenos Aires, Argentina
- CONICET, Avda. Rivadavia 1917, C1033AAJ Cdad. de Buenos Aires, Buenos Aires, Argentina
| | - C. Pastorino
- Departamento de Física, Centro Atómico Constituyentes CNEA, Av. Gral. Paz 1499, 1650 San Martín, Buenos Aires, Argentina
- CONICET, Avda. Rivadavia 1917, C1033AAJ Cdad. de Buenos Aires, Buenos Aires, Argentina
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Galuschko A, Spirin L, Kreer T, Johner A, Pastorino C, Wittmer J, Baschnagel J. Frictional forces between strongly compressed, nonentangled polymer brushes: molecular dynamics simulations and scaling theory. Langmuir 2010; 26:6418-6429. [PMID: 20102157 DOI: 10.1021/la904119c] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
By means of molecular dynamics simulations and scaling theory we study the response of opposing polymer brushes to constant shear motion under good solvent conditions. Model systems that contain explicit solvent molecules (Lennard-Jones dimers) are compared to solvent-free systems while varying of the distance between the grafted layers and their molecular parameters, chain length and grafting density. Our study reveals a power-law dependence of macroscopic transport properties on the Weissenberg number, W, beyond linear response. For instance, we find that the kinetic friction constant scales as mu approximately W(0.57) for large values of W. We develop a scaling theory that describes our data and previous numerical data including recent experiments.
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Affiliation(s)
- A Galuschko
- Institut Charles Sadron, 23 rue du Loess, BP 84047, 67034 Strasbourg Cedex 2, France
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Affiliation(s)
- C. Pastorino
- Departamento de Fisica, Centro Atomico Constituyentes, CNEA-CONICET, Av. Gral. Paz 1499, 1650 Pcia. de Buenos Aires, Argentina; Institut für Physik WA331, Johannes Gutenberg-Universität, 55099 Mainz, Germany; and Institut für Theoretische Physik, Georg-August-Universität, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany
| | - K. Binder
- Departamento de Fisica, Centro Atomico Constituyentes, CNEA-CONICET, Av. Gral. Paz 1499, 1650 Pcia. de Buenos Aires, Argentina; Institut für Physik WA331, Johannes Gutenberg-Universität, 55099 Mainz, Germany; and Institut für Theoretische Physik, Georg-August-Universität, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany
| | - M. Müller
- Departamento de Fisica, Centro Atomico Constituyentes, CNEA-CONICET, Av. Gral. Paz 1499, 1650 Pcia. de Buenos Aires, Argentina; Institut für Physik WA331, Johannes Gutenberg-Universität, 55099 Mainz, Germany; and Institut für Theoretische Physik, Georg-August-Universität, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany
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Pastorino C, Kreer T, Müller M, Binder K. Comparison of dissipative particle dynamics and Langevin thermostats for out-of-equilibrium simulations of polymeric systems. Phys Rev E Stat Nonlin Soft Matter Phys 2007; 76:026706. [PMID: 17930173 DOI: 10.1103/physreve.76.026706] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2007] [Revised: 06/07/2007] [Indexed: 05/12/2023]
Abstract
In this work we compare and characterize the behavior of Langevin and dissipative particle dynamics (DPD) thermostats in a broad range of nonequilibrium simulations of polymeric systems. Polymer brushes in relative sliding motion, polymeric liquids in Poiseuille and Couette flows, and brush-melt interfaces are used as model systems to analyze the efficiency and limitations of different Langevin and DPD thermostat implementations. Widely used coarse-grained bead-spring models under good and poor solvent conditions are employed to assess the effects of the thermostats. We considered equilibrium, transient, and steady state examples for testing the ability of the thermostats to maintain constant temperature and to reproduce the underlying physical phenomena in nonequilibrium situations. The common practice of switching off the Langevin thermostat in the flow direction is also critically revisited. The efficiency of different weight functions for the DPD thermostat is quantitatively analyzed as a function of the solvent quality and the nonequilibrium situation.
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Affiliation(s)
- C Pastorino
- Departamento de Física, Centro Atómico Constituyentes, CNEA/CONICET, Av. Gral. Paz 1499, 1650 Provincia de Buenos Aires, Argentina
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Pastorino C, Binder K, Kreer T, Müller M. Static and dynamic properties of the interface between a polymer brush and a melt of identical chains. J Chem Phys 2006; 124:64902. [PMID: 16483239 DOI: 10.1063/1.2162883] [Citation(s) in RCA: 119] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Molecular-dynamics simulations of a short-chain polymer melt between two brush-covered surfaces under shear have been performed. The end-grafted polymers which constitute the brush have the same chemical properties as the free chains in the melt and provide a soft deformable substrate. Polymer chains are described by a coarse-grained bead-spring model, which includes excluded volume and backbone connectivity of the chains. The grafting density of the brush layer offers a way of controlling the behavior of the surface without altering the molecular interactions. We perform equilibrium and nonequilibrium molecular-dynamics simulations at constant temperature and volume using the dissipative particle dynamics thermostat. The equilibrium density profiles and the behavior under shear are studied as well as the interdigitation of the melt into the brush, the orientation on different length scales (bond vectors, radius of gyration, and end-to-end vector) of free and grafted chains, and velocity profiles. The obtained boundary conditions and slip length show a rich behavior as a function of grafting density and shear velocity.
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Affiliation(s)
- C Pastorino
- Institut für Physik WA331, Johannes Gutenberg-Universität, Mainz, Germany.
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Pastorino C, Gamba Z. Erratum to “Study of sulfur α-S8 crystals with an anisotropic inter-molecular potential model” [Chem. Phys. 261 (2000) 317–321]. Chem Phys 2001. [DOI: 10.1016/s0301-0104(01)00477-3] [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: 11/30/2022]
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Pastorino C. Advanced practice nursing role: nurse practitioner. Orthop Nurs 1998; 17:65-9. [PMID: 10095652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/11/2023] Open
Abstract
Nurse Practitioners are advanced practice nurses (APNs) who provide primary and acute care to individuals in many settings. The NP diagnoses and treats medical and surgical conditions that require acute, short-term management and chronic, long-term treatment. States vary in regulating processes regarding collaborative agreements, prescriptive authority, medical staff privileges, and insurance/third party reimbursement.
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Affiliation(s)
- C Pastorino
- Department of Family and Community Medicine, University of Louisville, Kentucky, USA
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41
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Abstract
Smooth muscle neoplasms seem to be particularly frequent in children with AIDS, and several cases of such lesions, both benign and malignant (leiomyomas and leiomyosarcomas), have recently been reported in the literature. We describe here the imaging findings in a boy with AIDS who developed two leiomyomas of the gallbladder wall as well as calcification of the intraparenchymal splenic arteries.
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Affiliation(s)
- P Tomà
- Department of Radiology, Children's Hospital "G. Gaslini", Largo G. Gaslini 5, I-16148 Genoa, Italy
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Simoni G, Pastorino C, Perrone R, Ardia A, Gianrossi R, De Cian F, Decian F, Cittadini G, Baiardi A, Bachi V. Screening for abdominal aortic aneurysms and associated risk factors in a general population. Eur J Vasc Endovasc Surg 1995; 10:207-10. [PMID: 7655973 DOI: 10.1016/s1078-5884(05)80113-3] [Citation(s) in RCA: 72] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
OBJECTIVES To evaluate the prevalence of abdominal aortic aneurysms (AAA) in a general population and to compare the results with those of similar studies in other countries. DESIGN Ultrasound screening study and collection of clinical and biochemical data. SETTING An urban Health Service District in Genoa, Italy. MATERIALS A general population, aged 65-75 years, invited by personal letter between 1991-1994. RESULTS 1601 subjects (741 males and 860 females) out of 2734 invited (58.5%) were evaluated. According to the ultrasound findings, 27 patients (1.7%) had an aortic dilatation of 26-29 mm; an AAA of 30-39 mm was found in 37 (2.3%) and an AAA > or = 40 mm in 33 (2.1%). The overall prevalence for AAA was 4.4% (8.8% in males and 0.6% in females respectively). The prevalence of smoking, alcohol consumption, coronary heart disease, chronic obstructive pulmonary disease and arterial disease were significantly higher in patients with AAA (p < 0.01). CONCLUSIONS Ultrasound screening for AAA is a reliable and useful method and should be focused on men, regardless of concurrent disease.
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Affiliation(s)
- G Simoni
- Clinica Chirurgica B, University of Genoa, Italy
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43
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Torricella A, Pastorino C, Rollandi GA, Pretolesi F. [Diagnostic imaging in congenital abnormalities of the posterior arch of the atlas. Report of 2 cases and review of the literature]. Radiol Med 1995; 89:881-3. [PMID: 7644748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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44
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Simoni G, Decian F, Baiardi A, Bachi V, Cittadini G, Pastorino C, Perrone R, Gianrossi R, Gianotti A, Pallenzona G. [Screening for abdominal aortic aneurysms in the general population. Preliminary results]. Minerva Cardioangiol 1994; 42:403-9. [PMID: 7991159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Between March 1991 and April 1993, 1188 subjects aged 65-75 years, out of 2734 invited, underwent abdominal ultrasound for screening of asymptomatic abdominal aortic aneurysms (AAA). For each patient the maximal anteroposterior and transverse diameters of the suprarenal and infrarenal aorta were measured. According to the literature data an AAA is defined as an aortic dilatation > 29 mm. AAA < 40 mm are followed by ultrasound every 6 months and the AAA > 39 mm are considered for surgical repair after complete clinical work-up. In addition any aortic dilatation ranging 26-29 mm is followed too, using the same criteria. The aorta was normal in 1112 patients (95.12%), an infrarenal aortic dilatation was found in 21 patients (1.79%), an AAA < 40 mm in 15 patients (1.28%) and an AAA > 39 mm in 21 patients (1.79%). The global prevalence of AAA > 29 mm was 3.07% (0.3% for the females and 6.8% for the males), similar to that reported by other authors. The statistically significant (p < 0.01) risk factors were: smoking, alcohol consumption, coronary disease and chronic lung obstruction. Hypertension and dyslipidaemia were not significant (but HDL-cholesterol and Apo-B), according to a different etiology of the aneurysms. In addition 38.5% of the patients had total cholesterol > 240 mg/dl but only 34.9% of these was under medical treatment and/or on a diet. Our preliminary data confirm the results of similar studies in other countries: screening for AAA is worthwhile on the general population and, looking to a better cost-benefit rate, it might be focused only on males.
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Affiliation(s)
- G Simoni
- Università degli Studi di Genova, Clinica Chirurgica B
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Abstract
Imaging of the gallbladder demonstrates a wide range of anatomical variants, including anomalies in location, number and shape. Duplication anomalies are quite rare and are characterized by a large variety of configurations depending on the size and degree of fusion of the two lobes, and on the number and disposition of the cystic ducts. We present a case of a deeply cleft, bilobed gallbladder imaged by computed tomography (CT), ultrasonography (US) and oral cholecystography (OCG). The anomaly consisted of complete duplication of the body and fundus into two distinct and separated lobes both of which entered a single infundibulum. Awareness of congenital gallbladder variants may help in recognizing and correctly classifying gallbladder abnormalities, thus preventing misdiagnoses.
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Affiliation(s)
- C Martinoli
- Institute of Radiology, University of Genoa, Italy
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46
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Abstract
To evaluate changes in echotexture of normal tendons at different frequencies and establish an anatomic correlation for fibrillar echoes, normal calcaneal tendons were examined in vitro at 7.5, 10, 13, and 15 MHz in calves (n = 8) and sheep (n = 6) and in vivo in humans (n = 8). Histologic correlation was obtained in vitro with 22-gauge needles that marked the position of echogenic fibrils under ultrasound (US) guidance. The human study group consisted of 25 patients with a clinical diagnosis of calcaneal tendon disease and 15 patients who underwent surgery for rupture of the Achilles tendon. At all four frequencies, normal tendons showed an internal network of fine parallel and linear fibrillar echoes that became more numerous and thinner as US frequency increased. These echoes were caused by specular reflections at the interface between collagen bundles and endotendineum septa. In patients, tendons showed a variety of basic changes in fibrillar pattern: increased fibrillar thickness (33 patients), interruption (17 patients), fragmentation (12 patients), and disappearance of echotexture (15 patients). It is concluded that US holds promise in detection of minimal changes in tendinous structure.
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Affiliation(s)
- C Martinoli
- Institute of Radiology, University of Genoa, Italy
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47
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Martinoli C, Pastorino C, Bertolotto M, Rosenberg I, Cittadini G, Garlaschi G, Derchi LE. [Color-Doppler echography of the testis. Study technique and vascular anatomy]. Radiol Med 1992; 84:785-91. [PMID: 1494684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Color-Doppler sonography has recently made it possible to image scrotal vascularity non-invasively. This study was undertaken to determine the normal color-Doppler appearance and distribution of scrotal vessels and to define the technical principles of the examination. Color-Doppler imaging was effective in detecting both funicolar and testicular vessels. Among these, capsular (25/25), trans-testicular (10/25), centripetal and recurrent (25/25) arteries were easily identified. Waveforms analysis allowed to differentiate veins from arteries within testis and to distinguish (8/10) supratesticular (high impedance pattern with absent diastolic flow) from intratesticular arteries (low impedance pattern with high levels of diastolic flow). The optimal color depiction of scrotal vascularity needed the appropriate selection of several imaging parameters to increase detection of low-velocity, low-volume flows within the small testicular vessels. Such parameters included: PRF (ranging 1500 to 600 Hz), wall filters (ranging 25 to 50 Hz), color gain (maximized for optimal sensitivity while avoiding excessive color noise), color vs. echo priority (ranging 70 to 90%) and color persistence (adjusted to high values). In conclusion, color-Doppler imaging is capable of reliably showing the normal anatomy of testicular vessels. It could make a reliable substitute for scintigraphy and continuous wave Doppler in diagnosing scrotal conditions that alter blood flow.
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Bertolotto M, Pastorino C, Rosenberg I. [The echographic demonstration of a surgical sponge retained in the femoral triangle]. Radiol Med 1992; 84:652-4. [PMID: 1475433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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49
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Abstract
The MR appearance of thrombosis of the portal vein and its branches using gradient echo (GRE) sequences is described. The study consists of two separate parts. In the first part, five normal volunteers were examined to select the optimal section plane for each portal vessel to be studied. Given the "time of flight" effect of GRE sequences, a scan plane perpendicular to the direction of flow was used to obtain maximal signal enhancement of flowing blood. In the second part of the study, 13 patients with thrombosis of the portal system diagnosed by Doppler sonography, CT, and digital subtraction angiography were examined with the GRE technique. Gradient echo MR confirmed the presence and defined the extent of vessel thrombosis with high diagnostic accuracy. In addition, it proved accurate in detecting portosystemic collaterals. We concluded that the GRE technique can be effectively used as a complement to conventional SE MR to further delineate portal vessels.
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Affiliation(s)
- C Martinoli
- Institute of Radiology, University of Genoa, Italy
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50
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Rollandi GA, Curone PF, Pastorino C, Fanti B, Martinoli C, Bonati F, Montesi A, Fabrizzi GC, Dini L, Pesaresi A. [Gastromiro vs gastrografin vs prontobario CAT for computerized tomography. Multicenter study]. Radiol Med 1991; 82:295-302. [PMID: 1947265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The opacification of intestinal loops is mandatory, during CT examination of the abdomen, to prevent the gut from being mistaken for a pathological process or vice versa. The authors compared Gastrografin and Prontobarium-CT with a new, orally administrable, non-ionic contrast medium (Gastromiro) to investigate whether the non-ionic molecule presents any advantages over the other contrast media usually employed with CT. Five hundred ml of water solution/suspension at 11.1% (Gastromiro or Gastrografin) and 1.7% (Prontobarium-CT) were administered 20 minutes before examination to 818 consecutive patients. Different parameters were considered--i.e., patient tolerance as far as "taste and vomiting" were concerned, gut opacification, and any reaction which might have occurred to the patients within 24 hours after examination. The results, statistically analyzed, are the following: no significant difference in the quality of opacification of stomach, duodenum, and large bowel; significant difference in the quality of opacification of small bowel, where Gastromiro proved to have the highest contrast resolution; Gatromiro stimulated diarrhea significantly less than Gastrografin and Prontobarium-CT.
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