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Cao Y, Di Nardo F, Goldoni Laestadius J, Arena S, Denton G, Azzolini E, Raponi M, Furia G, Lovato E, Mancuso A, Basso D, Marino M, Falvo R, Iavicoli I, Magnavita N, Lops EA, Capitanelli S, Piccoli B, Bruno S, De Vito E, Ricciardi W. Planning a health promotion intervention for World Food Programme employees in developing countries. Eur J Public Health 2015. [DOI: 10.1093/eurpub/ckv173.075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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77
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Solipaca A, Marino M, Avolio M, Sabetta T, Ricciardi W, Di Pietro ML. Sustainability and development of Healthcare System in Italy: the “Prevention by Vaccination” Report. Eur J Public Health 2015. [DOI: 10.1093/eurpub/ckv175.205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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78
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Marino M, Misuri L, Ruffo R, Brogioli D. Electrode kinetics in the “capacitive mixing” and “battery mixing” techniques for energy production from salinity differences. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.07.069] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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79
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Leuzzi G, Marino M, Alessandrini G, Sciuto R, Pescarmona E, Facciolo F. Synchronous triple thymoma and true thymic hyperplasia simultaneously detected by 18F FDG PET-CT. Rev Esp Med Nucl Imagen Mol 2015. [DOI: 10.1016/j.remnie.2015.05.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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80
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Leuzzi G, Marino M, Alessandrini G, Sciuto R, Pescarmona E, Facciolo F. Synchronous triple thymoma and true thymic hyperplasia simultaneously detected by (18)F FDG PET-CT. Rev Esp Med Nucl Imagen Mol 2015; 34:272-4. [PMID: 25771094 DOI: 10.1016/j.remn.2015.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Revised: 02/02/2015] [Accepted: 02/03/2015] [Indexed: 10/23/2022]
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Naro A, Russo M, Abdelkader M, Marino M, Morgante F, Rizzo V, Girlanda P, Quartarone A. 118. High frequency paired associative stimulation modulates the corticospinal excitability in human subjects: An EEG study. Clin Neurophysiol 2015. [DOI: 10.1016/j.clinph.2014.10.137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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82
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Maggio R, Marino M, Allegra C, Terranova C, Rizzo V, Girlanda P, Quartarone A. 119. Cortical excitability in patients affected by brain tumors. Clin Neurophysiol 2015. [DOI: 10.1016/j.clinph.2014.10.138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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83
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Marino M, Misuri L, Jiménez M, Ahualli S, Kozynchenko O, Tennison S, Bryjak M, Brogioli D. Modification of the surface of activated carbon electrodes for capacitive mixing energy extraction from salinity differences. J Colloid Interface Sci 2014; 436:146-53. [DOI: 10.1016/j.jcis.2014.08.070] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Revised: 08/28/2014] [Accepted: 08/31/2014] [Indexed: 11/27/2022]
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Passi Y, Sathyamoorthy M, Lerman J, Heard C, Marino M. Comparison of the laryngoscopy views with the size 1 Miller and Macintosh laryngoscope blades lifting the epiglottis or the base of the tongue in infants and children <2 yr of age †. Br J Anaesth 2014; 113:869-74. [DOI: 10.1093/bja/aeu228] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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85
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Bucci S, Tanzariello M, Avolio M, Izzi A, Marino M, de Belvis AG, Ricciardi W. Is there a relationship between transparency and outcome in hospital care? An analysis on the Italian public hospitals. Eur J Public Health 2014. [DOI: 10.1093/eurpub/cku151.096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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86
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Fiocchetti M, Nuzzo MT, Totta P, Acconcia F, Ascenzi P, Marino M. Neuroglobin, a pro-survival player in estrogen receptor α-positive cancer cells. Cell Death Dis 2014; 5:e1449. [PMID: 25299774 PMCID: PMC4237245 DOI: 10.1038/cddis.2014.418] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Revised: 07/28/2014] [Accepted: 08/25/2014] [Indexed: 11/09/2022]
Abstract
Recently, we reported that human neuroglobin (NGB) is a new player in the signal transduction pathways that lead to 17β-estradiol (E2)-induced neuron survival. Indeed, E2 induces in neuron mitochondria the enhancement of NGB level, which in turn impairs the activation of a pro-apoptotic cascade. Nowadays, the existence of a similar pathway activated by E2 in non-neuronal cells is completely unknown. Here, the role of E2-induced NGB upregulation in tumor cells is reported. E2 induced the upregulation of NGB in a dose- and time-dependent manner in MCF-7, HepG2, SK-N-BE, and HeLa cells transfected with estrogen receptor α (ERα), whereas E2 was unable to modulate the NGB expression in the ERα-devoid HeLa cells. Both transcriptional and extranuclear ERα signals were required for the E2-dependent upregulation of NGB in MCF-7 and HepG2 cell lines. E2 stimulation modified NGB intracellular localization, inducing a significant reduction of NGB in the nucleus with a parallel increase of NGB in the mitochondria in both HepG2 and MCF-7 cells. Remarkably, E2 pretreatment did not counteract the H2O2-induced caspase-3 and poly (ADP-ribose) polymerase 1 (PARP-1) cleavage, as well as Bcl-2 overexpression in MCF-7 and HepG2 cells in which NGB was stably silenced by using shRNA lentiviral particles, highlighting the pivotal role of NGB in E2-induced antiapoptotic pathways in cancer cells. Present results indicate that the E2-induced NGB upregulation in cancer cells could represent a defense mechanism of E2-related cancers rendering them insensitive to oxidative stress. As a whole, these data open new avenues to develop therapeutic strategies against E2-related cancers.
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Marino M, Tanzariello M, Bucci S, de Belvis AG, Ricciardi W, Boccia S. Effectiveness, cost-effectiveness and sustainability of integrated care models for elderly complex patients: a systematic review. Eur J Public Health 2014. [DOI: 10.1093/eurpub/cku151.083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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88
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de Belvis AG, Visnijc A, Izzi A, Bucci S, Tanzariello M, Marino M, Sanna T, Damiani G, Specchia ML, Ricciardi W, Vanhaecht K. Which criteria to prioritize the healthcare problems to be treated through the Integrated Care Pathways? Eur J Public Health 2014. [DOI: 10.1093/eurpub/cku151.095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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89
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Tanzariello M, Izzi A, Bucci S, Marino M, Specchia ML, de Belvis AG, Ricciardi W. Which comprehensive framework to evaluate clinical performance in research and teaching hospital? Eur J Public Health 2014. [DOI: 10.1093/eurpub/cku163.091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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90
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Pellegrini M, Pallottini V, Marin R, Marino M. Role of the Sex Hormone Estrogen in the Prevention of Lipid Disorder. Curr Med Chem 2014; 21:2734-42. [DOI: 10.2174/0929867321666140303123602] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2013] [Revised: 10/30/2013] [Accepted: 10/31/2013] [Indexed: 11/22/2022]
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91
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Altarev I, Babcock E, Beck D, Burghoff M, Chesnevskaya S, Chupp T, Degenkolb S, Fan I, Fierlinger P, Frei A, Gutsmiedl E, Knappe-Grüneberg S, Kuchler F, Lauer T, Link P, Lins T, Marino M, McAndrew J, Niessen B, Paul S, Petzoldt G, Schläpfer U, Schnabel A, Sharma S, Singh J, Stoepler R, Stuiber S, Sturm M, Taubenheim B, Trahms L, Voigt J, Zechlau T. A magnetically shielded room with ultra low residual field and gradient. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2014; 85:075106. [PMID: 25085172 DOI: 10.1063/1.4886146] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A versatile and portable magnetically shielded room with a field of (700 ± 200) pT within a central volume of 1 m × 1 m × 1 m and a field gradient less than 300 pT/m, achieved without any external field stabilization or compensation, is described. This performance represents more than a hundredfold improvement of the state of the art for a two-layer magnetic shield and provides an environment suitable for a next generation of precision experiments in fundamental physics at low energies; in particular, searches for electric dipole moments of fundamental systems and tests of Lorentz-invariance based on spin-precession experiments. Studies of the residual fields and their sources enable improved design of future ultra-low gradient environments and experimental apparatus. This has implications for developments of magnetometry beyond the femto-Tesla scale in, for example, biomagnetism, geosciences, and security applications and in general low-field nuclear magnetic resonance (NMR) measurements.
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Ponziani FR, Viganò R, Iemmolo RM, Donato MF, Rendina M, Toniutto P, Pasulo L, Morelli MC, Burra P, Miglioresi L, Merli M, Di Paolo D, Fagiuoli S, Gasbarrini A, Pompili M, Belli L, Gerunda GE, Marino M, Montalti R, Di Benedetto F, De Ruvo N, Rigamonti C, Colombo M, Rossi G, Di Leo A, Lupo L, Memeo V, Bringiotti R, Zappimbulso M, Bitetto D, Vero V, Colpani M, Fornasiere E, Pinna AD, Morelli MC, Bertuzzo V, De Martin E, Senzolo M, Ettorre GM, Visco-Comandini U, Antonucci G, Angelico M, Tisone G, Giannelli V, Giusto M. Long-term maintenance of sustained virological response in liver transplant recipients treated for recurrent hepatitis C. Dig Liver Dis 2014; 46:440-5. [PMID: 24635906 DOI: 10.1016/j.dld.2014.01.157] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Revised: 01/13/2014] [Accepted: 01/25/2014] [Indexed: 12/11/2022]
Abstract
BACKGROUND The recurrence of hepatitis C viral infection is common after liver transplant, and achieving a sustained virological response to antiviral treatment is desirable for reducing the risk of graft loss and improving patients' survival. AIM To investigate the long-term maintenance of sustained virological response in liver transplant recipients with hepatitis C recurrence. METHODS 436 Liver transplant recipients (74.1% genotype 1) who underwent combined antiviral therapy for hepatitis C recurrence were retrospectively evaluated. RESULTS The overall sustained virological response rate was 40% (173/436 patients), and the mean follow-up after liver transplantation was 11±3.5 years (range, 5-24). Patients with a sustained virological response demonstrated a 5-year survival rate of 97% and a 10-year survival rate of 93%; all but 6 (3%) patients remained hepatitis C virus RNA-negative during follow-up. Genotype non-1 (p=0.007), treatment duration >80% of the scheduled period (p=0.027), and early virological response (p=0.002), were associated with the maintenance of sustained virological response as indicated by univariate analysis. Early virological response was the only independent predictor of sustained virological response maintenance (p=0.008). CONCLUSIONS Sustained virological response achieved after combined antiviral treatment is maintained in liver transplant patients with recurrent hepatitis C and is associated with an excellent 5-year survival.
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93
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Marino M, Veronesi F, Corsi C. Fully automated assessment of left ventricular volumes and mass from cardiac magnetic resonance images. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2014; 2014:1079-1082. [PMID: 25570149 DOI: 10.1109/embc.2014.6943781] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Quantification of left ventricular (LV) size and function from cardiac magnetic resonance (CMR) images requires manual tracing of LV borders on multiple 2D slices, which is subjective, tedious and time-consuming experience. This paper presents a fully automated method for endocardial and epicardial boundaries detection for the assessment of LV volumes, ejection fraction (EF) and mass from CMR images. The segmentation procedure is based on a combined level set approach initialized by an automatically detected point inside the LV cavity. To validate the proposed technique, myocardial boundaries were manually traced on end-diastolic (ED) and end-systolic (ES) frames by an experienced cardiologist. Bland-Altman analysis and linear regression were used to validate LV volumes, EF and mass and similarity metrics were applied to assess the agreement between manually and automatically detected contours. We found minimal biases and narrow limits of agreement for LV volumes, EF and mass; Dice coefficient, Jaccard index and Hausdorff distance evaluated for 2D ED and ES endocardial and epicardial boundaries showed adequate overlapping. The proposed technique allows fast and accurate assessment of LV volumes, EF and mass as a basis for accurate quantification of LV size and function, and myocardial scar from CMR images.
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Marino M, Naro A, Drago G, Abdelkader M, Morgante F, Rizzo V, Girlanda P, Quartarone A. 143. High frequency paired associative stimulation modulates the corticospinal excitability in human subjects: A TMS/EEG study. Clin Neurophysiol 2013. [DOI: 10.1016/j.clinph.2013.06.170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Marino M, Azzali F, Zanini R. The certification of Hospital Delivery Ward: the Italian Project to ensure Quality and Safety for Patients and Professionals. Eur J Public Health 2013. [DOI: 10.1093/eurpub/ckt124.121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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96
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Sikirica S, Marino M, Gagne JJ, De Palma R, Maio V. Risk of death associated with the use of conventional vs. atypical antipsychotic medications: evaluating the use of the Emilia-Romagna Region database for pharmacoepidemiological studies. J Clin Pharm Ther 2013; 39:38-44. [PMID: 24102411 DOI: 10.1111/jcpt.12099] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Accepted: 08/19/2013] [Indexed: 01/05/2023]
Abstract
WHAT IS KNOWN AND OBJECTIVE Since 2005, a mounting base of evidence has identified that conventional antipsychotic medications are associated with an increased risk of mortality among elderly patients when compared to atypical antipsychotics. This study sought to explore the feasibility of using the Emilia-Romagna Region (RER) database for comparative safety analyses by replicating and refining risk estimates of this well-known drug safety example through meta-analysis. METHODS We identified a cohort of 23 681 Italian RER patients (aged ≥65) who initiated treatment with a conventional or atypical antipsychotic between 1 July 2009 and 30 June 2011. We compared 180-day mortality using Cox proportional hazards models adjusted for risk factors for death, use of other medications and measures of health services utilization intensity, all measured before antipsychotic initiation. We conducted a meta-analysis of studies with similar methods against which to compare our results. RESULTS Among 14 462 and 9219 patients prescribed conventional and atypical antipsychotics, respectively, we observed 2402 (16·6%) and 821 (8·9%) deaths during follow-up. Conventional antipsychotic initiators were older and generally had higher prevalence of outcome risk factors and higher baseline health service use intensity. The crude hazard ratio (HR) was 1·95 [95% confidence interval (CI), 1·80-2·11], which decreased to 1·47 (95% CI, 1·35-1·60) after full adjustment. We identified seven published studies that examined this association using similar methods. The pooled HR from these studies was 1·34 (95% CI, 1·28-1·39). Including our study, the meta-analysis yielded a summary estimate of 1·35 (95% CI, 1·31-1·40) and did not introduce any heterogeneity (I(2) = 0%; P = 0·455). WHAT IS NEW AND CONCLUSIONS Our results support the use of the RER database for pharmacoepidemiological studies and provide an up-to-date and pooled estimate of the magnitude of the association between mortality and conventional vs. atypical antipsychotics.
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Marino M, Scuderi F, Ponte E, Maiuri MT, De Cristofaro R, Provenzano C, Rose-John S, Cittadini A, Bartoccioni E. Novel path to IL-6 trans-signaling through thrombin-induced soluble IL-6 receptor release by platelets. J BIOL REG HOMEOS AG 2013; 27:841-852. [PMID: 24152848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Interleukin (IL)-6 is a multifunctional cytokine with a critical role in inflammatory, immunoregulatory and haemopoietic responses. Its receptor consists of an ubiquitously expressed membrane transducing element (gp130) and of the specific element IL-6R-alpha (gp80), present only on hepatocytes and some leukocyte subsets. IL-6R-alpha also exists as soluble protein (sIL-6R) that, in the presence of IL-6, forms a complex able to bind gp130 and, thanks to the mechanism called trans-signaling, transduces IL-6 effect through tyrosine phosphorylation and activation of the signal transducer and transcription activator (STAT)-3. The aim of this study was to analyze the bidirectional relationships between platelet aggregation and IL-6-dependent effects. While platelets do not produce IL-6, we found that resting platelets express gp130, but not gp80, on their membranes. Upon activation by thrombin or calcium ionophore A23187, but not by ADP, the IL-6R-alpha is released in soluble form, while cangrelor, the specific inhibitor of P2Y12 receptor, can partially inhibit sIL-6R release. This sIL-6R is biologically active and, in the presence of IL-6, can trigger IL-6 trans-signaling, inducing an autocrine activation loop (as measured by an increase in gp80 and gp130 content) and STAT3 phosphorylation. On the other hand, IL-6 trans-signaling has no effect on platelet degranulation or aggregation by itself, nor on thrombin-induced platelet aggregation. Our data add an important piece to the puzzle of thrombosis and inflammation: in the presence of IL-6, which can be produced by stressed endothelial cells, the platelet-derived IL-6 trans-signaling could be crucial for the evolution of inflammation within a damaged vessel.
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Avolio M, Montagnoli S, Marino M, Basso D, Furia G, Ricciardi W, de Belvis AG. Factors influencing quality of life for disabled and nondisabled elderly population: the results of a multiple correspondence analysis. Curr Gerontol Geriatr Res 2013; 2013:258274. [PMID: 23878536 PMCID: PMC3710593 DOI: 10.1155/2013/258274] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Revised: 05/24/2013] [Accepted: 06/07/2013] [Indexed: 11/26/2022] Open
Abstract
Objectives. The aim of our study is to examine the role of some factors (sociodemographic patterns, social relationship support, and trust in healthcare actors) on structure of quality of life among the Italian elderly population, by stratifying according to presence or absence of disability. Methods. Using data of the Italian National Institute of Statistics (ISTAT) survey, we obtained a sample of 25,183 Italian people aged 65+ years. Multiple Correspondence Analysis (MCA) was used to test such a relationship. Results. By applying the MCA between disabled and nondisabled elderly population, we identified three dimensions: "demographic structure and social contacts," "social relationships," "trust in the Italian National Health Services (INHS)." Furthermore, the difference in trust on the INHS and its actors was seen among disabled and non-disabled elderly population. Conclusions. Knowledge on the concept of quality of life and its application to the elderly population either with or without disability should make a difference in both people's life and policies and practices affecting life. New domains, such as information and trusting relationships both within and towards the care network's nodes, are likely to play an important role in this relationship.
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Pedroni M, Di Gregorio C, Cortesi L, Reggiani Bonetti L, Magnani G, Simone ML, Medici V, Priore Oliva C, Marino M, Ponz de Leon M. Double heterozygosity for BRCA1 and hMLH1 gene mutations in a 46-year-old woman with five primary tumors. Tech Coloproctol 2013; 18:285-9. [DOI: 10.1007/s10151-013-1030-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Accepted: 05/07/2013] [Indexed: 01/13/2023]
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De Marinis E, Acaz-Fonseca E, Arevalo MA, Ascenzi P, Fiocchetti M, Marino M, Garcia-Segura LM. 17β-Oestradiol anti-inflammatory effects in primary astrocytes require oestrogen receptor β-mediated neuroglobin up-regulation. J Neuroendocrinol 2013. [PMID: 23190172 DOI: 10.1111/jne.12007] [Citation(s) in RCA: 82] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Neuroglobin (Ngb), so named after its initial discovery in brain neurones, has received great attention as a result of its neuroprotective effects both in vitro and in vivo. Recently, we demonstrated that, in neurones, Ngb is a 17β-oestradiol (E(2) ) inducible protein that is pivotal for hormone-induced anti-apoptotic effects against H(2) O(2) toxicity. The involvement of Ngb in other brain cell populations, as well as in other neuroprotective effects of E(2) , is completely unknown at present. We demonstrate Ngb immunoreactivity in reactive astrocytes located in the proximity of a penetrating cortical injury in vivo and the involvement of Ngb in the E(2) -mediated anti-inflammatory effect in primary cortical astrocytes. Upon binding to oestrogen receptor (ER)β, E(2) enhances Ngb levels in a dose-dependent manner. Although with a lesser degree than E(2) , the pro-inflammatory stimulation with lipopolysaccharide (LPS) also induces the increase of Ngb protein levels via nuclear factor-(NF)κB signal(s). Moreover, a negative cross-talk between ER subtypes and NFκB signal(s) has been demonstrated. In particular, ERα-activated signals prevent the NFκB-mediated Ngb increase, whereas LPS impairs the ERβ-induced up-regulation of Ngb. Therefore, the co-expression of both ERα and ERβ is pivotal for mediating E(2) -induced Ngb expression in the presence of NFκB-activated signals. Interestingly, Ngb silencing prevents the effect of E(2) on the expression of inflammatory markers (i.e. interleukin 6 and interferon γ-inducible protein 10). Ngb can be regarded as a key mediator of the different protective effects of E(2) in the brain, including protection against oxidative stress and the control of inflammation, both of which are at the root of several neurodegenerative diseases.
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