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Osorio-Llanes E, Castellar-López J, Rosales-Rada W, Montoya Y, Bustamante J, Zalaquett R, Bravo-Sagua R, Riquelme JA, Sánchez G, Chiong M, Lavandero S, Mendoza-Torres E. Novel Strategies to Improve the Cardioprotective Effects of Cardioplegia. Curr Cardiol Rev 2024; 20:CCR-EPUB-137763. [PMID: 38275069 DOI: 10.2174/011573403x263956231129064455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 09/17/2023] [Accepted: 10/20/2023] [Indexed: 01/27/2024] Open
Abstract
The use of cardioprotective strategies as adjuvants of cardioplegic solutions has become an ideal alternative for the improvement of post-surgery heart recovery. The choice of the optimal cardioplegia, as well as its distribution mechanism, remains controversial in the field of cardiovascular surgery. There is still a need to search for new and better cardioprotective methods during cardioplegic procedures. New techniques for the management of cardiovascular complications during cardioplegia have evolved with new alternatives and additives, and each new strategy provides a tool to neutralize the damage after ischemia/reperfusion events. Researchers and clinicians have committed themselves to studying the effect of new strategies and adjuvant components with the potential to improve the cardioprotective effect of cardioplegic solutions in preventing myocardial ischemia/reperfusion-induced injury during cardiac surgery. The aim of this review is to explore the different types of cardioplegia, their protection mechanisms, and which strategies have been proposed to enhance the function of these solutions in hearts exposed to cardiovascular pathologies that require surgical alternatives for their corrective progression.
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Affiliation(s)
- Estefanie Osorio-Llanes
- Faculty of Exact and Natural Sciences, Grupo de Investigación Avanzada en Biomedicina, Universidad Libre Barranquilla, Colombia
| | - Jairo Castellar-López
- Faculty of Exact and Natural Sciences, Grupo de Investigación Avanzada en Biomedicina, Universidad Libre Barranquilla, Colombia
| | - Wendy Rosales-Rada
- Faculty of Exact and Natural Sciences, Grupo de Investigación Avanzada en Biomedicina, Universidad Libre Barranquilla, Colombia
| | - Yulieth Montoya
- Grupo de Dinámica Cardiovascular (GDC), Escuela de Ciencias de la Salud, Universidad Pontificia Bolivariana
| | - John Bustamante
- Grupo de Dinámica Cardiovascular (GDC), Escuela de Ciencias de la Salud, Universidad Pontificia Bolivariana
| | - Ricardo Zalaquett
- Department of Surgery, Clínica Las Condes, Santiago, Chile. Advanced Center for Chronic Diseases (ACCDiS)
| | - Roberto Bravo-Sagua
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Jaime A Riquelme
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Gina Sánchez
- Physiopathology Program, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, University of Chile, Santiago, Chile
| | - Mario Chiong
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Sergio Lavandero
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile
- Department of Internal Medicine (Cardiology Division), University of Texas Southwestern Medical Center, Dallas, USA
| | - Evelyn Mendoza-Torres
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile
- Faculty of Health Sciences, Grupo de Investigación Avanzada en Biomedicina, Universidad Libre Seccional Barranquilla, Colombia
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Benavides S, Palavecino R, Riquelme JA, Montecinos L, Finkelstein JP, Donoso P, Sánchez G. Inhibition of NOX2 or NLRP3 inflammasome prevents cardiac remote ischemic preconditioning. Front Physiol 2024; 14:1327402. [PMID: 38288352 PMCID: PMC10822933 DOI: 10.3389/fphys.2023.1327402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 12/20/2023] [Indexed: 01/31/2024] Open
Abstract
Introduction: Short episodes of ischemia-reperfusion (IR) in the heart (classical ischemic preconditioning, IPC) or in a limb (remote ischemic preconditioning, RIPC) before a prolonged ischemic episode, reduce the size of the infarct. It is unknown whether IPC and RIPC share common mechanisms of protection. Animals KO for NOX2, a superoxide-producing enzyme, or KO for NLRP3, a protein component of inflammasome, are not protected by IPC. The aim of this study was to investigate if NOX2 or NLRP3 inflammasome are involved in the protection induced by RIPC. Methods: We preconditioned rats using 4 × 5 min periods of IR in the limb with or without a NOX2 inhibitor (apocynin) or an NLRP3 inhibitor (Bay117082). In isolated hearts, we measured the infarct size after 30 min of ischemia and 60 min of reperfusion. In hearts from preconditioned rats we measured the activity of NOX2; the mRNA of Nrf2, gamma-glutamylcysteine ligase, glutathione dehydrogenase, thioredoxin reductase and sulfiredoxin by RT-qPCR; the content of glutathione; the activation of the NLRP3 inflammasome and the content of IL-1β and IL-10 in cardiac tissue. In exosomes isolated from plasma, we quantified NOX2 activity. Results: The infarct size after IR decreased from 40% in controls to 9% of the heart volume after RIPC. This protective effect was lost in the presence of both inhibitors. RIPC increased NOX2 activity in the heart and exosomes, as indicated by the increased association of p47phox to the membrane and by the increased oxidation rate of NADPH. RIPC also increased the mRNA of Nrf2 and antioxidant enzymes. Also, RIPC increased the content of glutathione and the GSH/GSSG ratio. The inflammasome proteins NLRP3, procaspase-1, and caspase-1 were all increased in the hearts of RIPC rats. At the end of RIPC protocol, IL-1β increased in plasma but decreased in cardiac tissue. At the same time, IL-10 did not change in cardiac tissue but increased by 70% during the next 50 min of perfusion. Conclusion: RIPC activates NOX2 which upregulates the heart's antioxidant defenses and activates the NLRP3 inflammasome which stimulates a cardiac anti-inflammatory response. These changes may underlie the decrease in the infarct size induced by RIPC.
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Affiliation(s)
- Sandra Benavides
- Physiopathology Program, Institute of Biomedical Sciences, School of Medicine, Universidad de Chile, Santiago, Chile
| | - Rodrigo Palavecino
- Physiopathology Program, Institute of Biomedical Sciences, School of Medicine, Universidad de Chile, Santiago, Chile
| | - Jaime A. Riquelme
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences & Faculty of Medicine, Universidad de Chile, Santiago, Chile
- Interuniversity Center for Healthy Aging, Santiago, Chile
| | - Luis Montecinos
- Physiology Program, Institute of Biomedical Sciences, School of Medicine, Universidad de Chile, Santiago, Chile
| | - José Pablo Finkelstein
- Physiology Program, Institute of Biomedical Sciences, School of Medicine, Universidad de Chile, Santiago, Chile
| | - Paulina Donoso
- Physiology Program, Institute of Biomedical Sciences, School of Medicine, Universidad de Chile, Santiago, Chile
| | - Gina Sánchez
- Physiopathology Program, Institute of Biomedical Sciences, School of Medicine, Universidad de Chile, Santiago, Chile
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Herrera-Zelada N, Zúñiga-Cuevas Ú, Ramírez-Reyes A, Norambuena-Soto I, Venegas-Zamora L, Troncoso MF, Hernández A, Sánchez G, Pedrozo Z, Lavandero S, Riquelme JA. Endothelial activation impairs the function of small extracellular vesicles. Front Pharmacol 2023; 14:1143888. [PMID: 37050899 PMCID: PMC10083389 DOI: 10.3389/fphar.2023.1143888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 03/15/2023] [Indexed: 03/29/2023] Open
Abstract
Small extracellular vesicles are nanosized vesicles (30–200 nm) that can ferry proteins, nucleic acids, and lipids between cells and therefore, have significant potential as biomarkers, drug delivery tools or therapeutic agents. SEVs of endothelial origin have been shown to -among other functions-reduce in vitro ischemia/reperfusion (I/R) injury in cardiomyocytes, but whether a pro-inflammatory state of the endothelium impairs the functionality of these SEVs remains to be elucidated. To test this, human umbilical vein endothelial cells cells were treated with TNF-α 10 ng/mL and the expression of the pro-inflammatory parameters VCAM-1, ICAM-1 and eNOS were determined by Western blot. SEVs were isolated from endothelial cells treated with or without TNF-α 10 ng/mL using size exclusion chromatography. The size and concentration of SEVs was measured by Nanoparticle Tracking Analysis. The expression of the surface marker CD81 was determined by immunoassay, whereas their morphology was assessed by electron microscopy. The function of endothelial SEVs was assessed by evaluating their cardioprotective effect in an ex vivo model of global I/R using isolated hearts from adult C57BL/6 mice. Treatment of HUVECs with TNF-α induced the expression of VCAM-1 and ICAM-1, whereas eNOS levels were decreased. TNF-α did not affect the production, size, morphology, or expression of CD81. SEVs significantly reduced the infarct size as compared with untreated mice hearts, but SEVs isolated from TNF-α treated cells were unable to achieve this effect. Therefore, a pro-inflammatory state induced by TNF-α does not alter the production of endothelial SEVs but impairs their function in the setting of I/R injury.
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Affiliation(s)
- Nicolas Herrera-Zelada
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Úrsula Zúñiga-Cuevas
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Andrés Ramírez-Reyes
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Ignacio Norambuena-Soto
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Leslye Venegas-Zamora
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Mayarling F. Troncoso
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Alejandra Hernández
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Gina Sánchez
- Programa de Fisiopatología, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Zully Pedrozo
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
- Programa de Fisiología y Biofísica, ICBM, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Sergio Lavandero
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
- Department of Internal Medicine (Cardiology Division), University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Jaime A. Riquelme
- Advanced Center for Chronic Disease (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
- Departamento de Química Farmacológica y Toxicológica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
- Interuniversity Center for Healthy Aging, Santiago, Chile
- *Correspondence: Jaime A. Riquelme,
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Rivero W, Sánchez G, Rodriguez F, Villarreal L, Buitrago-Garcia D, Castro C, Santos-Moreno P. POS1489-HPR ASSESSMENT OF TREATMENT ADHERENCE IN A COHORT OF RHEUMATOID ARTHRITIS PATIENTS TREATED WITH SUBCUTANEOUS ANTI-TNF WHO WERE EXPOSED TO A COMPREHENSIVE CARE MODEL. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.4798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BackgroundRheumatoid arthritis (RA) is an autoimmune, chronic, and inflammatory disease, which can be treated with effective medications, but requires a high level of adherence to treatment. Offering a comprehensive care model by a multidisciplinary team could increase the adherence levels of these patients and improves disease outcomes.ObjectivesCompare the level of adherence to treatment before and after the implementation of a comprehensive care model in a cohort of patients with RA, treated with subcutaneous anti-TNF, in a reference center in Bogotá-Colombia.MethodsAn analytical study was conducted before and after the implementation of a comprehensive care model on a cohort of patients over 18 years of age, diagnosed with RA, who have been prescribed management with a subcutaneous anti-TNF by their doctor during the last 12 months. Convenience sequential sampling was performed to reach a defined sample size of 130 patients to estimate a baseline versus final adherence difference of 20%, at an alpha value of 5% and a beta value of 20%. The comprehensive care model (CCM) consisted of the approach by a multidisciplinary team, offering a comprehensive care not fragmented, based on evidence (guidelines and protocols) and proposing a treatment by objectives (T2T). Adherence was measured using the CQR-19 scale, with a cut-off point ≥80.7 to consider an adherent patient.ResultsThe cohort consisted of 131 patients who were followed semiannually for 24 months, and who were incorporated into the CCM. 83.9% were women (n=110), in an age range between 30 and 84 years (Average: 62; DS: 9.9 years). 37.4% of patients were treated with etanercept (n=49), 29% with golimumab (n=38) and 33.6% with adalimumab (n=44). The median baseline of CQR-19 was 87.7 points (RIQ:84.2-91.2); while at month 24 it reached 91.2 points (RIQ: 87.7-94.7). The difference between the distributions was statistically significant (p<0.00). According to the cut-off point for CQR-19, the baseline percentage of adherent patients was 87.8% (n=115) and increased to a percentage of 96.2% at 24 months of follow-up (n=126). The difference between these two percentages of adherence was 8.39% (95% CI: 1.9-14.9%) (p: 0.012). The results of a generalized linear model binomial family, for the outcome of difference in proportions (PD) of basal and final adherence, are presented in Table 1. The estimator is adjusted for activity level (DAS28), disability level (HAQ) and anti-TNF. Golimumab appears to have an effect that increases adherence by 4.5% compared to adalimumab and etanercept, adjusting for the other predictors.Table 1.Model of the effect of MAI on adherence to treatment.Dependent variable: Adhesion according to cut-off point CQR-19(≥80.7). Proportion Difference (DP) EstimatorVariableDPCI 95%P-valueIntervention: MAI9,4%3,2-15,5%0,003Golimumab vs. Etanercept-Adalimumab4,5%0,5-8,5%0,024DAS28(-)0,85%(-)3.2% to 14.9%0,47HAQ0,00(-)0.03% to 0.045%0,85MLG-Binomial family. Identity function.ConclusionThe CCM, after a follow-up of 24 months in patients with RA in treatment with subcutaneous anti-TNF increases the percentage of adherence by 9.4%, adjusting for treatment, activity level and degree of disability. Golimumab appears to have an effect that increases adherence by 4.5% compared to adalimumab and etanercept, adjusting for the other predictors.Disclosure of InterestsWilberto Rivero: None declared, GUILLERMO SÁNCHEZ: None declared, Fernando Rodriguez: None declared, Laura Villarreal: None declared, Diana Buitrago-Garcia: None declared, CARLOS CASTRO: None declared, Pedro Santos-Moreno Speakers bureau: Pfizer, Janssen, Abbvie, Biopas-UCB, Bristol, Roche, Novartis, Lilly, Consultant of: Pfizer, Janssen, Abbvie, Biopas-UCB, Bristol, Roche, Novartis, Lilly, Grant/research support from: Pfizer, Janssen, Abbvie, Biopas-UCB, Bristol, Roche, Novartis, Lilly
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Rodriguez F, Buitrago-Garcia D, Sánchez G, Santos-Moreno P. POS1491-HPR THE USEFULNESS OF THE PATIENT ACTIVITY SCORE-PASS-II TO ASSESS DISEASE ACTIVITY DURING THE COVID-19 LOCKDOWN IN PATIENTS WITH RHEUMATOID ARTHRITIS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.5108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundMany measurement tools are designed to assess disease activity for Rheumatoid Arthritis (RA) patients. One of the most used tools is the Disease Activity Score- DAS28 which assesses the number of painful joints, erythrocyte sedimentation, and a patient’s global assessment. The assessment is performed by a clinician and requires laboratory exams. Unfortunately, from March to August 2019, Colombia had one of the strictest responses to the COVID-19 pandemic according to the COVID-19 stringency Index(1). One of the main restrictions was the preventive isolation of older populations, especially those with comorbidities. These restrictions challenged the rheumatology practice because face-to-face consultations were not possible. Due to the above, measurements like the PAS-II score should be used to assess disease activity during the pandemic.ObjectivesTo describe disease activity according to the Patient Activity Score- PAS-II score patients with RA and compare its results to the most recent DAS28 assessment before the COVID-19 pandemic.MethodsWe conducted a descriptive study; patients were followed during the COVID-19- lockdown in a video consultation. The PAS-II score was applied to assess disease activity as an alternative to the DAS28 assessment. The patients were part of an educational program, clinical charts were reviewed to collect the study variables. We collected demographic data and DAS28 before the pandemic started. We present a descriptive analysis of DAS28 severity and the results obtained by the PASS-II score.ResultsThe educational program enrolled 250 participants; 196 patients had complete data. 93% of participants were women, mean age was 64 years IQR (54-67). 43% of participants were married or had a civil union, 26% were single, 20% divorced, and 11% were widowed. Regarding educational level, 25% had finished elementary school and 39% high school; the remaining 36% had higher education. When we compared the last DAS28 assessed by a rheumatologist between January, and March 2019, 67% of patients were in remission, while in July 2019, the PASS-II score reported that 7% of patients were in remission and 75% had low or minimal activity. Figure 1- Table 1.Figure 1.Table 1.DISEASE ACTIVITIYDAS28PASS-IIRemission67%6%Low (Minimal)14%75%Moderate15%18.5%High/Severe4%0.5%ConclusionThe PASS score is a helpful tool to assess disease activity in patients with RA, especially in situations where the patient cannot see a rheumatologist in a face-to-face consultation; however, patients in severe disease activity should not delay the consultation with a clinician. As other studies have demonstrated, patient-reported outcome measures should be adopted in clinical practice as an alternative for treat- to- targe strategies(2). Further studies should be conducted to assess the impact of the pandemic in countries with high levels of restrictions in the course of RA.References[1]Hale T, Angrist N, Goldszmidt R, Kira B, Petherick A, Phillips T, et al. A global panel database of pandemic policies (Oxford COVID-19 Government Response Tracker). Nature Human Behaviour. 2021;5(4):529-38.[2]Salaffi F, Di Carlo M, Farah S, Marotto D, Atzeni F, Sarzi-Puttini P. Rheumatoid Arthritis disease activity assessment in routine care: performance of the most widely used composite disease activity indices and patient-reported outcome measures: Comparison of disease activity indices in RA. Acta Biomedica Atenei Parmensis. 2021;92(4):e2021238.AcknowledgementsThis project was funded by the Ministry of Science, Technology and Innovation MINCIENCIAS. Grant number: 695180763684Disclosure of InterestsFernando Rodriguez: None declared, Diana Buitrago-Garcia: None declared, GUILLERMO SÁNCHEZ: None declared, Pedro Santos-Moreno Speakers bureau: Pfizer, Janssen, Abbvie, Biopas-UCB, Bristol, Roche, Novartis, Lilly, Consultant of: Pfizer, Janssen, Abbvie, Biopas-UCB, Bristol, Roche, Novartis, Lilly, Grant/research support from: Pfizer, Janssen, Abbvie, Biopas-UCB, Bristol, Roche, Novartis, Lilly
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Santos-Moreno P, Buitrago-Garcia D, Rodriguez F, Sánchez G. POS1459 THE IMPLEMENTATION OF AN EDUCATIONAL PROGRAM TO IMPROVE PHARMACOLOGICAL ADHERENCE IN PATIENTS WITH RHEUMATOID ARTHRITIS. RESULTS FROM A QUASI-EXPERIMENTAL STUDY. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.4754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BackgroundPharmacological therapy is the principal intervention in rheumatoid arthritis (RA) patients. Currently, adherence to DMARDs therapy is a challenge that needs to be addressed[1]. On the other hand, educational programs have shown an improvement in the health status of RA patients[2].ObjectivesThis study aimed to determine if a 12-month educational program developed for patients with RA can improve medication adherence.MethodsA quasi-experimental design was conducted. Patients who attend a specialized center in RA were invited to participate in an educational program. The program was called UNIVERSITAR: PATIENT UNIVERSITY. An interdisciplinary team provided educational workshops for the patients; we included coaching sessions and leisure activities such as yoga and art lessons to avoid a conventional classroom program and provide a dynamic program. A rheumatologist with experience in centers of excellence for RA led the team. Patients attended during a year. Follow-up was planned at 6 and 12 months after enrollment. Medication adherence was assessed using the self-reported 8-item Morisky Medication Adherence Scale (MMAS-8). Patients were considered adherent when they scored 8 points, moderately adherent with a score of 6 or 7, and non-adherent with less than 6 points. The Wilcoxon signed-rank test was used to evaluate differences in MMAS-8 scores between baseline and 16 and 12-months. We also assessed if there were changes in DAS 28 in the participants who improved the level of adherence.ResultsIn total, 252 patients were enrolled in the study, and 206 completed the follow-up at 6 and 12 months (82%). The median age was 60 years IQR (54-67), 94% were female. In our study, 54% of patients received conventional and 46% Biological therapy. The proportion of patients with high adherence at baseline was 11%, at 6-months was 17% and at 12-month was 19%. At the end of the follow-up, 49% of the participants moved from being non-adherent to a moderate or high adherence level. When we compared the MMAS scores at baseline and follow-up, they showed a significant improvement (P<0.05) Figures 1-2. The majority of participants (65%) were in remission at baseline, according to DAS28. Therefore, we found no differences between the level of adherence and DAS28.ConclusionOur educational program improved medication adherence among patients with RA. Educational interventions are helpful to sustain remission in patients with RA. Further studies focused only on patients with moderate and high disease activity are necessary to assess the impact on clinical outcomes.References[1]Monchablon C, Gondé H, Pouplin S, Varin R, Vittecoq O, Lequerré T. Assessment of adherence to disease-modifying anti-rheumatic drugs in rheumatoid arthritis. Clin Rheumatol. 2020;39(1):207-16.[2]Tan YK, Teo P, Saffari SE, Xin X, Chakraborty B, Ng CT, et al. A musculoskeletal ultrasound program as an intervention to improve disease modifying anti-rheumatic drugs adherence in rheumatoid arthritis: a randomized controlled trial. Scand J Rheumatol. 2022;51(1):1-9.AcknowledgementsThis project was funded by the Ministry of Science, Technology and Innovation MINCIENCIAS. Grant number: 695180763684Disclosure of InterestsPedro Santos-Moreno Speakers bureau: Pfizer, Janssen, Abbvie, Biopas-UCB, Bristol, Roche, Novartis, Lilly, Consultant of: Pfizer, Janssen, Abbvie, Biopas-UCB, Bristol, Roche, Novartis, Lilly, Grant/research support from: Pfizer, Janssen, Abbvie, Biopas-UCB, Bristol, Roche, Novartis, Lilly, Diana Buitrago-Garcia: None declared, Fernando Rodriguez: None declared, GUILLERMO SÁNCHEZ: None declared
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Américo-Da-Silva L, Aguilera J, Quinteros-Waltemath O, Sánchez-Aguilera P, Russell J, Cadagan C, Meneses-Valdés R, Sánchez G, Estrada M, Jorquera G, Barrientos G, Llanos P. Activation of the NLRP3 Inflammasome Increases the IL-1β Level and Decreases GLUT4 Translocation in Skeletal Muscle during Insulin Resistance. Int J Mol Sci 2021; 22:10212. [PMID: 34638553 PMCID: PMC8508423 DOI: 10.3390/ijms221910212] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [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: 08/11/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 12/16/2022] Open
Abstract
Low-grade chronic inflammation plays a pivotal role in the pathogenesis of insulin resistance (IR), and skeletal muscle has a central role in this condition. NLRP3 inflammasome activation pathways promote low-grade chronic inflammation in several tissues. However, a direct link between IR and NLRP3 inflammasome activation in skeletal muscle has not been reported. Here, we evaluated the NLRP3 inflammasome components and their role in GLUT4 translocation impairment in skeletal muscle during IR. Male C57BL/6J mice were fed with a normal control diet (NCD) or high-fat diet (HFD) for 8 weeks. The protein levels of NLRP3, ASC, caspase-1, gasdermin-D (GSDMD), and interleukin (IL)-1β were measured in both homogenized and isolated fibers from the flexor digitorum brevis (FDB) or soleus muscle. GLUT4 translocation was determined through GLUT4myc-eGFP electroporation of the FBD muscle. Our results, obtained using immunofluorescence, showed that adult skeletal muscle expresses the inflammasome components. In the FDB and soleus muscles, homogenates from HFD-fed mice, we found increased protein levels of NLRP3 and ASC, higher activation of caspase-1, and elevated IL-1β in its mature form, compared to NCD-fed mice. Moreover, GSDMD, a protein that mediates IL-1β secretion, was found to be increased in HFD-fed-mice muscles. Interestingly, MCC950, a specific pharmacological NLRP3 inflammasome inhibitor, promoted GLUT4 translocation in fibers isolated from the FDB muscle of NCD- and HFD-fed mice. In conclusion, we found increased NLRP3 inflammasome components in adult skeletal muscle of obese insulin-resistant animals, which might contribute to the low-grade chronic metabolic inflammation of skeletal muscle and IR development.
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Affiliation(s)
- Luan Américo-Da-Silva
- Instituto de Investigación en Ciencias Odontológicas, Facultad de Odontología, Universidad de Chile, Santiago 8380544, Chile; (L.A.-D.-S.); (J.A.); (O.Q.-W.); (C.C.)
| | - Javiera Aguilera
- Instituto de Investigación en Ciencias Odontológicas, Facultad de Odontología, Universidad de Chile, Santiago 8380544, Chile; (L.A.-D.-S.); (J.A.); (O.Q.-W.); (C.C.)
| | - Oscar Quinteros-Waltemath
- Instituto de Investigación en Ciencias Odontológicas, Facultad de Odontología, Universidad de Chile, Santiago 8380544, Chile; (L.A.-D.-S.); (J.A.); (O.Q.-W.); (C.C.)
| | - Pablo Sánchez-Aguilera
- Centro de Estudios en Ejercicio, Metabolismo y Cáncer, Facultad de Medicina, Universidad de Chile, Santiago 8380453, Chile; (P.S.-A.); (R.M.-V.)
| | - Javier Russell
- Escuela de Pedagogía en Educación Física, Facultad de Educación, Universidad Autónoma de Chile, Santiago 8900000, Chile;
| | - Cynthia Cadagan
- Instituto de Investigación en Ciencias Odontológicas, Facultad de Odontología, Universidad de Chile, Santiago 8380544, Chile; (L.A.-D.-S.); (J.A.); (O.Q.-W.); (C.C.)
| | - Roberto Meneses-Valdés
- Centro de Estudios en Ejercicio, Metabolismo y Cáncer, Facultad de Medicina, Universidad de Chile, Santiago 8380453, Chile; (P.S.-A.); (R.M.-V.)
| | - Gina Sánchez
- Programa de Fisiopatología, ICBM, Facultad de Medicina, Universidad de Chile, Santiago 8380453, Chile;
| | - Manuel Estrada
- Programa de Fisiología y Biofísica, ICBM, Facultad de Medicina, Universidad de Chile, Santiago 8380453, Chile;
| | - Gonzalo Jorquera
- Centro de Neurobiología y Fisiopatología Integrativa (CENFI), Instituto de Fisiología, Facultad de Ciencias, Universidad de Valparaíso, Valparaíso 2360102, Chile;
| | - Genaro Barrientos
- Centro de Estudios en Ejercicio, Metabolismo y Cáncer, Facultad de Medicina, Universidad de Chile, Santiago 8380453, Chile; (P.S.-A.); (R.M.-V.)
- Programa de Fisiología y Biofísica, ICBM, Facultad de Medicina, Universidad de Chile, Santiago 8380453, Chile;
| | - Paola Llanos
- Instituto de Investigación en Ciencias Odontológicas, Facultad de Odontología, Universidad de Chile, Santiago 8380544, Chile; (L.A.-D.-S.); (J.A.); (O.Q.-W.); (C.C.)
- Centro de Estudios en Ejercicio, Metabolismo y Cáncer, Facultad de Medicina, Universidad de Chile, Santiago 8380453, Chile; (P.S.-A.); (R.M.-V.)
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Castiblanco Montañez RA, Arevalo Velandia A, Garzon Cepeda JD, Rodriguez-Florido F, Buitrago-Garcia D, Sánchez G, Santos-Moreno P. AB0900-HPR THE EXPECTATIONS AND EXPERIENCES OF PATIENTS WITH RHEUMATOID ARTHRITIS AFTER ENROLLING INTO AN EDUCATIONAL PROGRAM. RESULTS FROM A MIXED STUDY APPROACH. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.4160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Rheumatoid arthritis (RA) is a high-cost disease, usually diagnosed at a productive age in life. RA brings significant changes in a patient’s life. On an emotional level, the patient perceives a strong impact that generates disorientation, denial, depression, hopelessness, anger and fear due to the uncertainty of the development of the disease and the doubt of the turn that his life will take. However, each patient has different ways of coping with the disease and adapting to it (1,2). These changes require attention from health personnel. In this regard, different studies have reported the effect of educational, support and empowerment programs for patients on reducing the effects of the disease and the benefits are oriented towards improving lifestyles by improving self-care (3,4).Objectives:To describe the experience of patients with rheumatoid arthritis, their perception and expectations about entering a multicomponent educational program in a specialized center in Bogotá - Colombia.Methods:For this study a concurrent mixed design was used, in which quantitative and qualitative methods are applied simultaneously, we invited patients with rheumatoid arthritis who attended a specialized center in Bogotá - Colombia who enrolled in an education program called UNIVERSITAR. The quantitative phase included a descriptive analysis and the application of the expectations scale adapted from Borkovec and Nau (5); this scale collects information about the level of expectations and satisfaction of the program. The scale ranges from 0 (not at all) to 10 (very much). Immediately after the application of the scale, the participants were invited to a focus group that allowed the dialogue on the perception and expectations of the participants regarding the program, through a dynamic process in which the participants exchanged their ideas and opinions. A group interview script was used, aimed at identifying the patients’ experiences with their diagnosis and their expectations regarding the program. Two focus groups were held with an average duration of one hour; the discussion was recorded on audio and transcribed in its entirely.Results:We included 31 participants and were distributed in two focus groups. The median age of the participants was 60 years IQR (54-67), 92% were female. 77% of participants reported high scores for the satisfaction regarding the program. In the qualitative phase two categories emerged that speak of the experience of the participants with the disease. They highlighted the appearance of this disease in their lives in an unexpected way, the doubts and uncertainties that were generated from the diagnosis and the implications that this condition causes health in their everyday life. However, in the second category, the expectations and motivations of the participants towards the educational program are highlighted, and the factors that influence their participation and their motivation to train and empower themselves to make decisions and as expert patients, capable of educate, guide and support other patients with the same diagnosis.Conclusion:The expectations and perceptions of the patients are of great importance, since through these the conditions with which these educational programs provide interventions and a better quality of life to these patients can be improved.Disclosure of Interests:None declared
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Aránguiz P, Romero P, Vásquez F, Flores-Vergara R, Aravena D, Sánchez G, González M, Olmedo I, Pedrozo Z. Polycystin-1 mitigates damage and regulates CTGF expression through AKT activation during cardiac ischemia/reperfusion. Biochim Biophys Acta Mol Basis Dis 2020; 1867:165986. [PMID: 33065236 DOI: 10.1016/j.bbadis.2020.165986] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 09/04/2020] [Accepted: 10/05/2020] [Indexed: 02/03/2023]
Abstract
During ischemia/reperfusion (I/R), cardiomyocytes activate pathways that regulate cell survival and death and release factors that modulate fibroblast-to-myofibroblast differentiation. The mechanisms underlying these effects are not fully understood. Polycystin-1 (PC1) is a mechanosensor crucial for cardiac function. This work aims to assess the role of PC1 in cardiomyocyte survival, its role in profibrotic factor expression in cardiomyocytes, and its paracrine effects on I/R-induced cardiac fibroblast function. In vivo and ex vivo I/R and simulated in vitro I/R (sI/R) were induced in wild-type and PC1-knockout (PC1 KO) mice and PC1-knockdown (siPC1) neonatal rat ventricular myocytes (NRVM), respectively. Neonatal rat cardiac fibroblasts (NRCF) were stimulated with conditioned medium (CM) derived from NRVM or siPC1-NRVM supernatant after reperfusion and fibroblast-to-myofibroblast differentiation evaluated. Infarcts were larger in PC1-KO mice subjected to in vivo and ex vivo I/R, and necrosis rates were higher in siPC1-NRVM than control after sI/R. PC1 activated the pro-survival AKT protein during sI/R and induced PC1-AKT-pathway-dependent CTGF expression. Furthermore, conditioned media from sI/R-NRVM induced PC1-dependent fibroblast-to-myofibroblast differentiation in NRCF. This novel evidence shows that PC1 mitigates cardiac damage during I/R, likely through AKT activation, and regulates CTGF expression in cardiomyocytes via AKT. Moreover, PC1-NRVM regulates fibroblast-to-myofibroblast differentiation during sI/R. PC1, therefore, may emerge as a new key regulator of I/R injury-induced cardiac remodeling.
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Affiliation(s)
- P Aránguiz
- Escuela de Química y Farmacia, Facultad de Medicina, Universidad Andrés Bello, Viña del Mar, Chile
| | - P Romero
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile; Advanced Center for Chronic Diseases, Facultad de Ciencias Químicas y Farmacéuticas & Facultad Medicina, Universidad de Chile, Santiago de Chile, Chile
| | - F Vásquez
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile; Advanced Center for Chronic Diseases, Facultad de Ciencias Químicas y Farmacéuticas & Facultad Medicina, Universidad de Chile, Santiago de Chile, Chile
| | - R Flores-Vergara
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile; Advanced Center for Chronic Diseases, Facultad de Ciencias Químicas y Farmacéuticas & Facultad Medicina, Universidad de Chile, Santiago de Chile, Chile
| | - D Aravena
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile; Advanced Center for Chronic Diseases, Facultad de Ciencias Químicas y Farmacéuticas & Facultad Medicina, Universidad de Chile, Santiago de Chile, Chile
| | - G Sánchez
- Programa de Fisiopatología, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile; Centro de Estudios en Ejercicio, Metabolismo y Cáncer (CEMC), Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile
| | - M González
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile; Advanced Center for Chronic Diseases, Facultad de Ciencias Químicas y Farmacéuticas & Facultad Medicina, Universidad de Chile, Santiago de Chile, Chile
| | - I Olmedo
- Programa de Fisiopatología, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile
| | - Z Pedrozo
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile; Advanced Center for Chronic Diseases, Facultad de Ciencias Químicas y Farmacéuticas & Facultad Medicina, Universidad de Chile, Santiago de Chile, Chile; Centro de Estudios en Ejercicio, Metabolismo y Cáncer (CEMC), Facultad de Medicina, Universidad de Chile, Santiago de Chile, Chile.
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Ortiz-Solà J, Abadias M, Colás-Medà P, Sánchez G, Bobo G, Viñas I. Evaluation of a sanitizing washing step with different chemical disinfectants for the strawberry processing industry. Int J Food Microbiol 2020; 334:108810. [PMID: 32805511 DOI: 10.1016/j.ijfoodmicro.2020.108810] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 07/29/2020] [Accepted: 07/30/2020] [Indexed: 12/23/2022]
Abstract
Strawberries are often consumed fresh or only receive minimal processing, inducing a significant health risk to the consumer if contamination occurs anywhere from farm to fork. Outbreaks of foodborne illness associated with strawberries often involve a broad range of microbiological agents, from viruses (human norovirus) to bacteria (Salmonella spp. and Listeria monocytogenes). The addition of sanitizers to water washes is one of the most commonly studied strategies to remove or inactivate pathogens on berries as well as avoid cross contamination due to reuse of process wash water. The risk posed with the safety issues of by-products from chlorine disinfection in the fruit industry has led to a search for alternative sanitizers. We evaluated the applicability of different chemical sanitizers (peracetic acid (PA), hydrogen peroxide (H2O2), citric acid (CA), lactic acid (LA) and acetic acid (AA)) for the inactivation of S. enterica, L. monocytogenes and murine norovirus (MNV-1) on strawberries. A control treatment with chlorine (NaClO) (100 ppm) was included. For each sanitizer, different doses (40, 80 and 120 ppm for PA and 1, 2.5 and 5% for H2O2, LA, AA and CA) and time (2 and 5 min) were studied in order to optimize the decontamination washing step. The best concentrations were 80 ppm for PA, 5% for H2O2 and 2.5% for organic acids (LA, AA and CA) after 2 min treatment. Results indicate that the sanitizers selected may be a feasible alternative to chlorine (100 ppm) for removing selected pathogenic microorganisms (P > 0.05), with reductions about ≥2 log for bacterial strains and ≥ 1.7 log for MNV-1. As the washing water may also increase the microbial counts by cross-contamination, we observed that no pathogenic bacteria were found in wash water after 5% H2O2 and 80 ppm PA after 2 min treatment. On the other hand, we also reported reductions about total aerobic mesophyll (TAM) (0.0-1.4 log CFU/g) and molds and yeasts (M&Y) (0.3-1.8 log CFU/g) with all alternative sanitizers tested. Strawberries treated did not shown significant differences about physio-chemical parameters compared to the untreated samples (initial). For this study, the optimal sanitizer selected was PA, due to the low concentration and cost needed and its microbiocidal effect in wash water and fruit. Notwithstanding the results obtained, the effect of PA in combination with other non-thermal technologies such as water-assisted ultraviolet (UV-C) light should be studied in future research to improve the disinfection of strawberries.
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Affiliation(s)
- J Ortiz-Solà
- Universitat de Lleida, Departamento de Ciencia y Tecnología de Alimentos, XaRTA-Postharvest, Centro Agrotecnio, Rovira Roure 191, 25198 Lleida, Spain
| | - M Abadias
- Institut de Recerca i Tecnologia Agroalimentàries (IRTA), XaRTA-Postharvest, Edifici Fruitcentre, Parc Científic i Tecnològic Agroalimentari de Lleida, Parc de Gardeny, 25003 Lleida, Spain.
| | - P Colás-Medà
- Institut de Recerca i Tecnologia Agroalimentàries (IRTA), XaRTA-Postharvest, Edifici Fruitcentre, Parc Científic i Tecnològic Agroalimentari de Lleida, Parc de Gardeny, 25003 Lleida, Spain
| | - G Sánchez
- Departamento de Tecnologías de Conservación y Seguridad Alimentaria, IATA-CSIC, Avda. Agustin Escardino 7, 46980 Paterna, Valencia, Spain
| | - G Bobo
- Institut de Recerca i Tecnologia Agroalimentàries (IRTA), XaRTA-Postharvest, Edifici Fruitcentre, Parc Científic i Tecnològic Agroalimentari de Lleida, Parc de Gardeny, 25003 Lleida, Spain
| | - I Viñas
- Universitat de Lleida, Departamento de Ciencia y Tecnología de Alimentos, XaRTA-Postharvest, Centro Agrotecnio, Rovira Roure 191, 25198 Lleida, Spain.
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Randazzo W, Sánchez G. Hepatitis A infections from food. J Appl Microbiol 2020; 129:1120-1132. [DOI: 10.1111/jam.14727] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 05/20/2020] [Accepted: 05/21/2020] [Indexed: 12/14/2022]
Affiliation(s)
- W. Randazzo
- Department of Preservation and Food Safety Technologies IATA‐CSIC Valencia Spain
- Department of Microbiology and Ecology University of Valencia Valencia Spain
| | - G. Sánchez
- Department of Preservation and Food Safety Technologies IATA‐CSIC Valencia Spain
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Cabrera M, Rodriguez F, Buitrago-Garcia D, Sánchez G, Santos-Moreno P. AB1296-HPR PREVALENCE OF COMORBIDITIES IN A COHORT OF PATIENTS IN AN EDUCATIONAL MULTIDISCIPLINARY PROGRAM. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.5024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Rheumatoid arthritis (RA) is a chronic inflammatory and complex disease. Patients with RA face other diseases that might lead to increase morbidity. In patients with RA it has been stablished a high prevalence of comorbidities and their risk factors (1).Objectives:The aim of this study was to evaluate the prevalence of comorbidities in Colombian patients with RA enrolled in an educational multidisciplinary program and possible correlation with disease activityMethods:We performed a cross-sectional study; we included patients with confirmed diagnosis of rheumatoid arthritis in a specialized RA center. We collected sociodemographic data, and markers of disease activity DAS28. We collected data regarding the history of comorbidities such as hypertension, dyslipidemia, osteoporosis, type 2 diabetes mellitus, hypothyroidism, malignancies, among others. We performed a descriptive analysis, variables with a normal distribution were described using mean and standard deviation (SD), and non- normal distributed variables were described using median and interquartile range. Categorical variables were presented as rates. We evaluated the relationship between disease activity and comorbidities.Results:We included 251 patients; mean age was 59 ± 9.8 years old, with a high proportion of women 93%; median disease duration was 15 years RIQ (8-20); in this study, 145 (65%) of patients were in remission; 35 (11%) had low, 44 (20%) moderate and 10 (4%) high disease activity. Regarding pharmacological therapy, 55% were receiving conventional DMARDs. The prevalence of comorbidities was 85%, the most common were high blood pressure 25% followed by hypothyroidism 12% and diabetes 10%, 0.7% of patients had malignancies such as thyroid cancer or breast cancer, 1.29% of patients had renal comorbidities. Among comorbidities related to RA 30% had osteoporosis and 20% arthrosis. We did not find a statistical association between DAS28 and comorbidities.Conclusion:As other studies have shown, there is a high prevalence of comorbidities among RA patients, mainly high blood pressure. Due to the above, it is relevant to evaluate the risks factors of patients with RA, especially cardiovascular risks. We consider that a multidisciplinary program represents an opportunity not only to educate patients about healthy life styles and the management of RA, but also other diseases in order to increase the empowering of the health status in these poly pathological patients(2).References:[1]Gullick NJ, Scott DL. Co-morbidities in established rheumatoid arthritis. Best practice & research Clinical rheumatology. 2011;25(4):469-83.[2]Galarza-Delgado DA, Azpiri-Lopez JR, Colunga-Pedraza IJ, Cardenas-de la Garza JA, Vera-Pineda R, Wah-Suarez M, et al. Prevalence of comorbidities in Mexican mestizo patients with rheumatoid arthritis. Rheumatology international. 2017;37(9):1507-11.Acknowledgments:This project has been funded by a collaboration between the Ministry of Science, Technology and Innovation COLCIENCIAS (contract 746-2018), the Fundación Universitaria de Ciencias de la Salud and Biomab - Center for Rheumatoid ArthrtitisDisclosure of Interests:Michael Cabrera: None declared, Fernando Rodriguez: None declared, Diana Buitrago-Garcia: None declared, GUILLERMO SÁNCHEZ: None declared, Pedro Santos-Moreno Grant/research support from: I have received research grants from Abbvie, Biopas-UCB, Janssen, Novartis, Pfizer., Speakers bureau: I have been a speaker for Abbvie, Biopas-UCB, Janssen, Lilly, Novartis, Pfizer, Roche, Sanofi.
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Buitrago-Garcia D, Rodriguez F, Sánchez G, Santos-Moreno P. AB1279-HPR A DESCRIPTIVE STUDY RELATED TO THE ADHERENCE BEFORE AND AFTER ENROLLING IN A MULTIDISCIPLINARY EDUCATIONAL PROGRAM. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.5549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Rheumatoid arthritis (RA) is an inflammatory, chronic disease. It leads to deformity and destruction of joints through the erosion of cartilage and bone. Patients with RA report to suffer symptoms in hands, joints, swelling, loss of motion, muscle weakness among others.(1).Centers of excellence in RA have proposed a multidisciplinary model of care with an initial diagnosis, treatment prescription and follow-up with a rheumatologist, periodic consultations with a physiatrist, psychologist, physiotherapist, occupational therapy, nutrition and a patient focused program(2). With this model of care, the patient is seen as a whole, and the expectation is to achieve the best results in the management of RA. However, if the patient does adhere the model becomes ineffective.Objectives:The aim of this to report the attendance to a multidisciplinary model of care for patients with RA that attend to a specialized center in Colombia, before and after enrolling in a educational program.Methods:We performed a descriptive study. Patients enrolled our educational program in July 2019. In our institution patients are followed-up under T2T standards and a multidisciplinary approach, as part of our model of care they have periodic consultations with a rheumatology, physiatrist, psychologist, physiotherapist, occupational therapy and nutrition. We collected sociodemographic data, DAS28, and compare the attendance to each specialty at the beginning and at 6-month follow-up. Descriptive epidemiology was done, we calculated means, and standard deviations for continuous variables and categorical variables were presented as rates. We compared disease activity and adherence at the beginning of the program and after six months of attendance.Results:We included 229 patients; mean age was 59 years ±10; 93% were female. At the beginning of our program, mean DAS28 was 2.57 ± 1.19, from all patients 65% were at remission, 11% at low disease activity 19% at moderate disease activity and, 5% at severe disease activity. Regarding adherence to our model, the medical specialty with the highest attendance was rheumatology (30%) followed by, physical therapy (16%) physiatrist consultation (15%) psychology (13%) and, occupational therapy (11%); the specialty with the lowest attendance was nutrition (8%). After six months of attendance to the educational program, we found an increasing number of patients in remission 67%, low disease activity 15%, moderate disease activity 18%, we did not have patients with severe DA28. Regarding the medical specialties, we found a 3% rise in the attendance to the nutrition consultation and psychology consultation. We did not find statistical association between disease activity and adherence to the model.Conclusion:These results are a clear example of how an educational program is capable of increasing awareness and improving the clinical outcomes and adherence to a multidisciplinary model for approaching RA. As other studies have shown(3), patient education interventions improve adherence to medication and to attendance to health care specialists.References:[1]Santos-Moreno P, Castaneda O, Garro B, Flores D, Sanchez G, Castro C. From the model of integral attention to the creation of centers of excellence in rheumatoid arthritis. Clinical rheumatology. 2015;34 Suppl 1:S71-7.[2]Taibanguay N, Chaiamnuay S, Asavatanabodee P, Narongroeknawin P. Effect of patient education on medication adherence of patients with rheumatoid arthritis: a randomized controlled trial. Patient preference and adherence. 2019;13:119-29.Acknowledgments:This project has been funded by a collaboration between the Ministry of Science, Technology and Innovation COLCIENCIAS (contract 746-2018), the Fundación Universitaria de Ciencias de la Salud and Biomab - Center for Rheumatoid ArthritisDisclosure of Interests:Diana Buitrago-Garcia: None declared, Fernando Rodriguez: None declared, GUILLERMO SÁNCHEZ: None declared, Pedro Santos-Moreno Grant/research support from: I have received research grants from Abbvie, Biopas-UCB, Janssen, Novartis, Pfizer., Speakers bureau: I have been a speaker for Abbvie, Biopas-UCB, Janssen, Lilly, Novartis, Pfizer, Roche, Sanofi.
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Buitrago-Garcia D, Rodriguez F, Sánchez G, Santos-Moreno P. AB1340-HPR PATIENTS’ OUT-OF-POCKET EXPENSES ANALYSIS IN PATIENTS WITH RHEUMATOID ARTHRITIS ENROLLED IN A EDUCATIONAL PROGRAM. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.5526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:The increasing health and economic burdens of deaths and disabilities from non-communicable diseases (NCDs) are emerging as major concerns worldwide, particularly for low- and middle-income countries (LMICs)(1). Rheumatoid arthritis (RA) NCD is considered as one of the most common causes of disability. RA affects from 0.5% to 1% of the worldwide population. Little is known about the out-of-pocket (OOP) expenditures for prescription of pharmacological treatment for patients with RA, including drugs, diagnostic tests, mobility aids among others.Objectives:To describe the out of pocket costs in patients with rheumatoid arthritisMethods:We performed a cross-sectional study among patients who are participating in an educational program in a specialized center for RA. We collected sociodemographic variables; in addition, we collected data related to the expenditures in drugs, diagnostic tests and mobility aids that were not covered by the health system. Descriptive epidemiology was done, we calculated means, and standard deviations for continuous variables and categorical variables were presented as rates. The costs are presented in the US dollars with the average exchange rate for 2019Results:We included 181 patients, 92% were female. Mean age was 59 years ±9.5. Regarding occupation, 24% were employees, 40% were economically inactive, and 36% were pensioners. Most of patients 45% had a low income, 43 % middle income and only 12% high income according to the Colombian socioeconomic classification. Most of out of pocket expenses (47%) were associated to the acquisition of medical devices such as reading glasses or orthopedic braces. Secondly, the OOP expenses were related to medications (38%) such as antibiotics prednisone or pain control medications. Finally, 25% of patients reported that they had pay for their diagnostic tests such as x rays or laboratory tests. When assessed the costs patients expended between 30-100 USD purchasing aid devices, medications or laboratory tests.Conclusion:In the Colombian context OPP are relevant and represent an important expenditure for patients with RA especially for those who have low or middle income. Due to the above, it is important to find alternatives in order to help vulnerable segments of the population. Additionally, OPP needed to be taken into account due to its association with treatment adherence(2).References:Datta BK, Husain MJ, Fatehin S. The crowding out effect of out-of-pocket medication expenses of two major non-communicable diseases in Pakistan. International health. 2020;12(1):50-9.Acknowledgments:This project has been funded by a collaboration between the Ministry of Science, Technology and Innovation COLCIENCIAS (contract 746-2018), the Fundación Universitaria de Ciencias de la Salud and Biomab - Center for Rheumatoid ArthritisDisclosure of Interests:Diana Buitrago-Garcia: None declared, Fernando Rodriguez: None declared, GUILLERMO SÁNCHEZ: None declared, Pedro Santos-Moreno Grant/research support from: I have received research grants from Abbvie, Biopas-UCB, Janssen, Novartis, Pfizer., Speakers bureau: I have been a speaker for Abbvie, Biopas-UCB, Janssen, Lilly, Novartis, Pfizer, Roche, Sanofi.
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Sánchez G, Chalmers S, Ahumada X, Montecinos L, Olmedo I, Eisner V, Riveros A, Kogan MJ, Lavandero S, Pedrozo Z, Donoso P. Inhibition of chymotrypsin-like activity of the proteasome by ixazomib prevents mitochondrial dysfunction during myocardial ischemia. PLoS One 2020; 15:e0233591. [PMID: 32453773 PMCID: PMC7250417 DOI: 10.1371/journal.pone.0233591] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 05/10/2020] [Indexed: 01/02/2023] Open
Abstract
The heart is critically dependent on mitochondrial respiration for energy supply. Ischemia decreases oxygen availability, with catastrophic consequences for cellular energy systems. After a few minutes of ischemia, the mitochondrial respiratory chain halts, ATP levels drop and ion gradients across cell membranes collapse. Activation of cellular proteases and generation of reactive oxygen species by mitochondria during ischemia alter mitochondrial membrane permeability, causing mitochondrial swelling and fragmentation and eventually cell death. The mitochondria, therefore, are important targets of cardioprotection against ischemic injury. We have previously shown that ixazomib (IXA), a proteasome inhibitor used for treating multiple myeloma, effectively reduced the size of the infarct produced by global ischemia in isolated rat hearts and prevented degradation of the sarcoplasmic reticulum calcium release channel RyR2. The aim of this work was to further characterize the protective effect of IXA by determining its effect on mitochondrial morphology and function after ischemia. We also quantified the effect of IXA on levels of mitofusin-2, a protein involved in maintaining mitochondrial morphology and mitochondria-SR communication. We found that mitochondria were significantly preserved and functional parameters such as oxygen consumption, the ability to generate a membrane potential, and glutathione content were improved in mitochondria isolated from hearts perfused with IXA prior to ischemia. IXA also blocked the release of cytochrome c observed in ischemia and significantly preserved mitofusin-2 integrity. These beneficial effects resulted in a significant decrease in the left ventricular end diastolic pressure upon reperfusion and a smaller infarct in isolated hearts.
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Affiliation(s)
- Gina Sánchez
- Programa de Fisiopatología, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
- Centro de Estudios en Ejercicio, Metabolismo y Cáncer, Facultad de Medicina, Universidad de Chile, Santiago, Chile
- * E-mail: (GS); (PD)
| | - Stefanie Chalmers
- Programa de Fisiopatología, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Xavier Ahumada
- Programa de Fisiopatología, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Luis Montecinos
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Ivonne Olmedo
- Programa de Fisiopatología, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Veronica Eisner
- Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Ana Riveros
- Departamento de Química Farmacológica y Toxicológica, Facultad Ciencias Químicas y Farmacéuticas Universidad de Chile, Santiago, Chile
| | - Marcelo J. Kogan
- Departamento de Química Farmacológica y Toxicológica, Facultad Ciencias Químicas y Farmacéuticas Universidad de Chile, Santiago, Chile
| | - Sergio Lavandero
- Centro de Estudios en Ejercicio, Metabolismo y Cáncer, Facultad de Medicina, Universidad de Chile, Santiago, Chile
- Departamento de Bioquímica y Biología Molecular, Facultad Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
- Advanced Center for Chronic Diseases (ACCDiS), Santiago, Chile
| | - Zully Pedrozo
- Centro de Estudios en Ejercicio, Metabolismo y Cáncer, Facultad de Medicina, Universidad de Chile, Santiago, Chile
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
- Advanced Center for Chronic Diseases (ACCDiS), Santiago, Chile
| | - Paulina Donoso
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
- * E-mail: (GS); (PD)
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16
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Plaza-Briceño W, Estay SF, de la Fuente-Ortega E, Gutiérrez C, Sánchez G, Hidalgo C, Chávez AE, Haeger PA. N-Methyl-d-Aspartate Receptor Modulation by Nicotinamide Adenine Dinucleotide Phosphate Oxidase Type 2 Drives Synaptic Plasticity and Spatial Memory Impairments in Rats Exposed Pre- and Postnatally to Ethanol. Antioxid Redox Signal 2020; 32:602-617. [PMID: 31880947 DOI: 10.1089/ars.2019.7787] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Aims: Pre- and/or early postnatal ethanol exposure (prenatal alcohol exposure [PAE]) impairs synaptic plasticity as well as memory formation, but the mechanisms underlying these effects remain unclear. Both long-term potentiation (LTP) and spatial memory formation in the hippocampus involve the nicotinamide adenine dinucleotide phosphate oxidase type 2 (NOX2) enzyme. Previous studies have reported that N-methyl-d-aspartate receptor (NMDAR) activation increases NOX2-mediated superoxide generation, resulting in inhibition of NMDAR function, but whether NOX2 impacts NMDAR function in PAE animals leading to impaired LTP and memory formation remains unknown. We aim to evaluate whether the NOX2-NMDAR complex is involved in the long-lasting deleterious effects of PAE on hippocampal LTP and memory formation. Results: Here we provide novel evidence that PAE animals display impaired NMDAR-dependent LTP in the cornus ammonis field 1 (CA1) and NMDAR-mediated LTP in the dentate gyrus (DG). Moreover, PAE rats displayed increased NMDAR-mediated transmission in both hippocampal areas. Interestingly, NOX2 pharmacological inhibition restored NMDAR-mediated transmission and LTP in the CA1, but not in the DG. PAE also induced overexpression of NOX2 and CaMKII isoforms, but did not modify the content or the redox state of the N-methyl-d-aspartate receptor subunit-1 (NR1) subunit of NMDAR in both areas of the hippocampus. In addition, adolescent PAE rats orally fed the antioxidant and free radical scavenger apocynin exhibited significantly improved spatial memory acquisition. Innovation and Conclusion: By showing in PAE animals NOX2 overexpression and increased NMDAR-mediated transmission, which might lead to impaired synaptic plasticity and memory formation in a region-specific manner, we provide an important advance to our current understanding of the cellular mechanisms underlying PAE-dependent defective hippocampal function.
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Affiliation(s)
- Wladimir Plaza-Briceño
- Departamento de Ciencias Biomédicas, Facultad De Medicina, Universidad Católica Del Norte, Coquimbo, Chile.,Programa de Magíster en Ciencias Biológicas mención Neurociencia, Facultad de Ciencias, Universidad de Valparaíso, Valparaiso, Chile
| | - Sebastián F Estay
- Facultad de Ciencias, Centro Interdisciplinario de Neurociencias de Valparaíso, Universidad de Valparaíso, Valparaíso, Chile.,Programa de Doctorado en Ciencias mención Neurociencia, Facultad de Ciencias, Universidad de Valparaíso, Valparaiso, Chile
| | - Erwin de la Fuente-Ortega
- Departamento de Ciencias Biomédicas, Facultad De Medicina, Universidad Católica Del Norte, Coquimbo, Chile
| | - Camilo Gutiérrez
- Departamento de Ciencias Biomédicas, Facultad De Medicina, Universidad Católica Del Norte, Coquimbo, Chile
| | - Gina Sánchez
- Programa de Fisiopatología, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago, Chile.,CEMC, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Cecilia Hidalgo
- CEMC, Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Biomedical Neuroscience Institute, Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Departamento de Neurociencia, Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Andrés E Chávez
- Facultad de Ciencias, Centro Interdisciplinario de Neurociencias de Valparaíso, Universidad de Valparaíso, Valparaíso, Chile
| | - Paola A Haeger
- Departamento de Ciencias Biomédicas, Facultad De Medicina, Universidad Católica Del Norte, Coquimbo, Chile
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17
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Olmedo I, Pino G, Riquelme JA, Aranguiz P, Díaz MC, López-Crisosto C, Lavandero S, Donoso P, Pedrozo Z, Sánchez G. Inhibition of the proteasome preserves Mitofusin-2 and mitochondrial integrity, protecting cardiomyocytes during ischemia-reperfusion injury. Biochim Biophys Acta Mol Basis Dis 2019; 1866:165659. [PMID: 31891806 DOI: 10.1016/j.bbadis.2019.165659] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 12/13/2019] [Accepted: 12/24/2019] [Indexed: 12/18/2022]
Abstract
Cardiomyocyte loss is the main cause of myocardial dysfunction following an ischemia-reperfusion (IR) injury. Mitochondrial dysfunction and altered mitochondrial network dynamics play central roles in cardiomyocyte death. Proteasome inhibition is cardioprotective in the setting of IR; however, the mechanisms underlying this protection are not well-understood. Several proteins that regulate mitochondrial dynamics and energy metabolism, including Mitofusin-2 (Mfn2), are degraded by the proteasome. The aim of this study was to evaluate whether proteasome inhibition can protect cardiomyocytes from IR damage by maintaining Mfn2 levels and preserving mitochondrial network integrity. Using ex vivo Langendorff-perfused rat hearts and in vitro neonatal rat ventricular myocytes, we showed that the proteasome inhibitor MG132 reduced IR-induced cardiomyocyte death. Moreover, MG132 preserved mitochondrial mass, prevented mitochondrial network fragmentation, and abolished IR-induced reductions in Mfn2 levels in heart tissue and cultured cardiomyocytes. Interestingly, Mfn2 overexpression also prevented cardiomyocyte death. This effect was apparently specific to Mfn2, as overexpression of Miro1, another protein implicated in mitochondrial dynamics, did not confer the same protection. Our results suggest that proteasome inhibition protects cardiomyocytes from IR damage. This effect could be partly mediated by preservation of Mfn2 and therefore mitochondrial integrity.
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Affiliation(s)
- Ivonne Olmedo
- Programa de Fisiopatología, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago de Chile 8380453, Chile
| | - Gonzalo Pino
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago de Chile 8380453, Chile
| | - Jaime A Riquelme
- Advanced Center for Chronic Diseases (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago de Chile 8380492, Chile; Departamento de Química Farmacológica y Toxicológica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago de Chile 8380492, Chile
| | - Pablo Aranguiz
- Escuela de Química y Farmacia, Facultad de Medicina, Universidad Andrés Bello, Viña del Mar 2520000, Chile
| | - Magda C Díaz
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago de Chile 8380453, Chile; Advanced Center for Chronic Diseases (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago de Chile 8380492, Chile; Grupo de Investigación en Ciencias Básicas y Clínicas de la Salud, Pontificia Universidad Javeriana de Cali, Colombia
| | - Camila López-Crisosto
- Advanced Center for Chronic Diseases (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago de Chile 8380492, Chile
| | - Sergio Lavandero
- Advanced Center for Chronic Diseases (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago de Chile 8380492, Chile; Corporación Centro de Estudios Científicos de las Enfermedades Crónicas (CECEC), Santiago de Chile 7680201, Chile; Department of Internal Medicine (Cardiology Division), University of Texas Southwestern Medical Center, Dallas, TX 75390-8573, USA
| | - Paulina Donoso
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago de Chile 8380453, Chile
| | - Zully Pedrozo
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago de Chile 8380453, Chile; Advanced Center for Chronic Diseases (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago de Chile 8380492, Chile.
| | - Gina Sánchez
- Programa de Fisiopatología, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago de Chile 8380453, Chile.
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18
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Otero J, Camacho PA, Gómez-Peña LM, Rueda-Quijano SM, Gómez-Cuellar JF, Rey JJ, Sánchez G, Narváez C, Accini JL, Aroca G, Arcos E, Hernández I, García H, Pérez M, Galvis CR, Molina DI, Mejía C, Casanova ME, García L, Urina-Triana M, López-Jaramillo P. [Measurement, monitoring and knowledge of blood pressure: May Measurement Month, Colombia 2017]. Hipertens Riesgo Vasc 2019; 37:4-10. [PMID: 31416713 DOI: 10.1016/j.hipert.2019.03.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 03/09/2019] [Accepted: 03/15/2019] [Indexed: 11/16/2022]
Abstract
AIM To describe the findings of implementing May Measurement Month 2017 in the adult Colombian population to raise awareness of the importance of blood pressure measuring, monitoring, and awareness. MATERIALS AND METHODS May Measurement Month is a cross-sectional survey that follows the directives of the International Society of Hypertension and the World Hypertension League, which gathers information on cardiovascular risk factors and blood pressure readings. Its implementation in Colombia was lead by the Santander Ophthalmological Foundation (FOSCAL) and the Latin American Society of Hypertension (LASH) with the support of the Colombian Network for the Prevention of Cardiovascular Diseases and Diabetes (RECARDI). RESULTS Data was collected from 11 departments on 21,797 people, 58.7% of whom were female, with an average age of 40.5±17.7 years. The overall prevalence of high blood pressure (HBP) was 20.8% (self-reported antihypertensive treatment or systolic blood pressure reading [systolic blood pressure≥140mmHg]). Of the total number of hypertensives, 46.5% had systolic blood pressure readings classified as uncontrolled (systolic blood pressure<140mmHg), and 26.4% were unaware that they were hypertensive who, in this report, we consider to be new cases of HBP. CONCLUSION The prevalence of (elevated) blood pressure is high in this young adult population, whose lack of awareness of HBP is also high, and HBP in those aware of their condition is poorly controlled. These results highlight the need to implement effective detection programmes for hypertensive patients and to establish standardised treatments to improve HBP control as a strategy to reduce cardiovascular events.
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Affiliation(s)
- J Otero
- Fundación Oftalmológica de Santander (FOSCAL) y Universidad de Santander (UDES), Bucaramanga, Santander, Colombia
| | - P A Camacho
- Fundación Oftalmológica de Santander (FOSCAL) y Universidad Autónoma de Bucaramanga (UNAB), Floridablanca, Santander, Colombia
| | - L M Gómez-Peña
- Fundación Oftalmológica de Santander (FOSCAL), Floridablanca, Santander, Colombia
| | - S M Rueda-Quijano
- Fundación Oftalmológica de Santander (FOSCAL), Floridablanca, Santander, Colombia
| | - J F Gómez-Cuellar
- Fundación Oftalmológica de Santander (FOSCAL), Floridablanca, Santander, Colombia
| | - J J Rey
- Universidad Autónoma de Bucaramanga (UNAB), Floridablanca, Santander, Colombia
| | - G Sánchez
- Universidad del Quindío, Hospital San Juan de Dios de Armenia, Armenia, Quindío, Colombia
| | - C Narváez
- Hospital Susana López de Valencia ESE, Popayán, Cauca, Colombia
| | - J L Accini
- IPS Centro Científico Asistencial, Universidad Libre y Universidad del Norte, Barranquilla, Atlántico, Colombia
| | - G Aroca
- Universidad Simón Bolívar, Barranquilla, Atlántico, Colombia
| | - E Arcos
- Fundación Centro Médico COMETA, Pasto, Nariño, Colombia
| | - I Hernández
- Universidad Cooperativa Regional Pasto, Pasto, Nariño, Colombia
| | - H García
- Fundación Centro de Investigaciones Biomédicas (RIESCARD), Espinal, Tolima, Colombia
| | - M Pérez
- Universidad Militar Nueva Granada y Clínica de Marly, Bogotá DC, Colombia
| | - C R Galvis
- Universidad de Los Llanos, Villavicencio, Meta, Colombia
| | - D I Molina
- Asociación IPS Médicos Internistas de Caldas y Universidad de Caldas, Manizales, Caldas, Colombia
| | - C Mejía
- Universidad Libre Seccional Cali, Cali, Valle del Cauca, Colombia
| | - M E Casanova
- Universidad Libre Seccional Cali, Cali, Valle del Cauca, Colombia
| | - L García
- Fundación CARDIOMET Pereira y Universidad Tecnológica de Pereira, Pereira, Risaralda, Colombia
| | - M Urina-Triana
- Fundación del Caribe para la Investigación Biomédica (Fundación Bios) y Universidad Simón Bolívar, Barranquilla, Atlántico, Colombia
| | - P López-Jaramillo
- Fundación Oftalmológica de Santander (FOSCAL) y Universidad de Santander (UDES), Bucaramanga, Santander, Colombia.
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19
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Sánchez G, Herrero R, Ferruelo A, Murillo R, Douhal Y, Lorente J. Microrna 155-3P modulates the FASL-mediated inflammation in human alveolar epithelial cells in vitro. Clin Chim Acta 2019. [DOI: 10.1016/j.cca.2019.03.1204] [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: 11/27/2022]
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21
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Arias-Cavieres A, More J, Vicente JM, Adasme T, Hidalgo J, Valdés JL, Humeres A, Valdés-Undurraga I, Sánchez G, Hidalgo C, Barrientos G. Triclosan Impairs Hippocampal Synaptic Plasticity and Spatial Memory in Male Rats. Front Mol Neurosci 2018; 11:429. [PMID: 30534053 PMCID: PMC6275195 DOI: 10.3389/fnmol.2018.00429] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 11/05/2018] [Indexed: 12/12/2022] Open
Abstract
Triclosan, a widely used industrial and household agent, is present as an antiseptic ingredient in numerous products of everyday use, such as toothpaste, cosmetics, kitchenware, and toys. Previous studies have shown that human brain and animal tissues contain triclosan, which has been found also as a contaminant of water and soil. Triclosan disrupts heart and skeletal muscle Ca2+ signaling, damages liver function, alters gut microbiota, causes colonic inflammation, and promotes apoptosis in cultured neocortical neurons and neural stem cells. Information, however, on the possible effects of triclosan on the function of the hippocampus, a key brain region for spatial learning and memory, is lacking. Here, we report that triclosan addition at low concentrations to hippocampal slices from male rats inhibited long-term potentiation but did not affect basal synaptic transmission or paired-pulse facilitation and modified the content or phosphorylation levels of synaptic plasticity-related proteins. Additionally, incubation of primary hippocampal cultures with triclosan prevented both the dendritic spine remodeling induced by brain-derived neurotrophic factor and the emergence of spontaneous oscillatory Ca2+ signals. Furthermore, intra-hippocampal injection of triclosan significantly disrupted rat navigation in the Oasis maze spatial memory task, an indication that triclosan impairs hippocampus-dependent spatial memory performance. Based on these combined results, we conclude that triclosan exerts highly damaging effects on hippocampal neuronal function in vitro and impairs spatial memory processes in vivo.
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Affiliation(s)
| | - Jamileth More
- Biomedical Neuroscience Institute, Universidad de Chile, Santiago, Chile
| | | | - Tatiana Adasme
- Biomedical Neuroscience Institute, Universidad de Chile, Santiago, Chile
- Centro Integrativo de Biología y Química Aplicada, Universidad Bernardo O’Higgins, Santiago, Chile
| | - Jorge Hidalgo
- Physiology and Biophysics Program, ICBM, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - José Luis Valdés
- Biomedical Neuroscience Institute, Universidad de Chile, Santiago, Chile
- Department of Neuroscience, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Alexis Humeres
- Department of Morphofunction, Faculty of Medicine, Universidad Diego Portales, Santiago, Chile
| | | | - Gina Sánchez
- Biomedical Neuroscience Institute, Universidad de Chile, Santiago, Chile
- Pathophysiology Program, ICBM, Faculty of Medicine, Universidad de Chile, Santiago, Chile
- CEMC, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Cecilia Hidalgo
- Biomedical Neuroscience Institute, Universidad de Chile, Santiago, Chile
- Physiology and Biophysics Program, ICBM, Faculty of Medicine, Universidad de Chile, Santiago, Chile
- Department of Neuroscience, Faculty of Medicine, Universidad de Chile, Santiago, Chile
- CEMC, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Genaro Barrientos
- Physiology and Biophysics Program, ICBM, Faculty of Medicine, Universidad de Chile, Santiago, Chile
- CEMC, Faculty of Medicine, Universidad de Chile, Santiago, Chile
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22
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Martínez-González MA, Buil-Cosiales P, Corella D, Bulló M, Fitó M, Vioque J, Romaguera D, Martínez JA, Wärnberg J, López-Miranda J, Estruch R, Bueno-Cavanillas A, Arós F, Tur JA, Tinahones F, Serra-Majem L, Martín V, Lapetra J, Vázquez C, Pintó X, Vidal J, Daimiel L, Delgado-Rodríguez M, Matía P, Ros E, Fernández-Aranda F, Botella C, Portillo MP, Lamuela-Raventós RM, Marcos A, Sáez G, Gómez-Gracia E, Ruiz-Canela M, Toledo E, Alvarez-Alvarez I, Díez-Espino J, Sorlí JV, Basora J, Castañer O, Schröder H, Navarrete-Muñoz EM, Zulet MA, García-Rios A, Salas-Salvadó J, Corella D, Estruch R, Fitó M, Martínez-González MA, Ros E, Salas-Salvadó J, Babio N, Ros E, Sánchez-Tainta A, Martínez-González MA, Fitó M, Schröder H, Marcos A, Corella D, Wärnberg J, Martínez-González MA, Estruch R, Fernández-Aranda F, Botella C, Salas-Salvadó J, Razquin C, Bes-Rastrollo M, Sanchez Tainta A, Vázquez Z, SanJulian Aranguren B, Goñi E, Goñi L, Barrientos I, Canales M, Sayón-Orea MC, Rico A, Basterra Gortari J, Garcia Arellano A, Lecea-Juarez O, Carlos Cenoz-Osinaga J, Bartolome-Resano J, Sola-Larraza† A, Lozano-Oloriz E, Cano-Valles B, Eguaras S, Güeto V, Pascual Roquet-Jalmar E, Galilea-Zabalza I, Lancova H, Ramallal R, Garcia-Perez ML, Estremera-Urabayen V, Ariz-Arnedo MJ, Hijos-Larraz C, Fernandez Alfaro C, Iñigo-Martinez B, Villanueva Moreno R, Martin-Almendros S, Barandiaran-Bengoetxea L, Fuertes-Goñi C, Lezaun-Indurain A, Guruchaga-Arcelus MJ, Olmedo-Cruz O, Iñigo-Martínez B, Escriche-Erviti L, Ansorena-Ros R, Sanmatin-Zabaleta R, Apalategi-Lasa J, Villanueva-Telleria J, Hernández-Espinosa MM, Arroyo-Bergera I, Herrera-Valdez L, Dorronsoro-Dorronsoro L, González JI, Sorlí JV, Portolés O, Fernández-Carrión R, Ortega-Azorín C, Barragán R, Asensio EM, Coltell O, Sáiz C, Osma R, Férriz E, González-Monje I, Giménez-Fernández F, Quiles L, Carrasco P, San Onofre N, Carratalá-Calvo A, Valero-Barceló C, Antón F, Mir C, Sánchez-Navarro S, Navas J, González-Gallego I, Bort-Llorca L, Pérez-Ollero L, Giner-Valero M, Monfort-Sáez R, Nadal-Sayol J, Pascual-Fuster V, Martínez-Pérez M, Riera C, Belda MV, Medina A, Miralles E, Ramírez-Esplugues MJ, Rojo-Furió M, Mattingley G, Delgado MA, Pages MA, Riofrío Y, Abuomar L, Blasco-Lafarga N, Tosca R, Lizán L, Guillem-Saiz P, Valcarce AM, Medina MD, Monfort R, de Valcárcel S, Tormo N, Felipe-Román O, Lafuente S, Navío EI, Aldana G, Crespo JV, Llosa JL, González-García L, Raga-Marí R, Pedret Llaberia R, Gonzalez R, Sagarra Álamo R, París Palleja F, Balsells J, Roca JM, Basora Gallisa T, Vizcaino J, Llobet Alpizarte P, Anguera Perpiñá C, Llauradó Vernet M, Caballero C, Garcia Barco M, Morán Martínez MD, García Rosselló J, Del Pozo A, Poblet Calaf C, Arcelin Zabal P, Floresví X, Ciutat Benet M, Palau Galindo A, Cabré Vila JJ, Dolz Andrés F, Boj Casajuana J, Ricard M, Saiz F, Isach A, Sanchez Marin Martinez M, Bulló M, Babio N, Becerra-Tomás N, Mestres G, Basora J, Mena-Sánchez G, Barrubés Piñol L, Gil Segura M, Papandreou C, Rosique Esteban N, Chig S, Abellán Cano I, Ruiz García V, Salas-Huetos A, Hernandez P, Canudas S, Camacho-Barcia L, García-Gavilán J, Diaz A, Castañer O, Muñoz MA, Zomeño MD, Hernaéz A, Torres L, Quifer M, Llimona R, Gal LA, Pérez A, Farràs M, Elosua R, Marrugat J, Vila J, Subirana I, Pérez S, Muñoz MA, Goday A, Chillaron Jordan JJ, Flores Lerroux JA, Benaiges Boix D, Farré M, Menoyo E, Muñoz-Aguayo D, Gaixas S, Blanchart G, Sanllorente A, Soria M, Valussi J, Cuenca A, Forcano L, Pastor A, Boronat A, Tello S, Cabañero M, Franco L, Schröder H, De la Torre R, Medrano C, Bayó J, García MT, Robledo V, Babi P, Canals E, Soldevila N, Carrés L, Roca C, Comas MS, Gasulla G, Herraiz X, Martínez A, Vinyoles E, Verdú JM, Masague Aguade M, Baltasar Massip E, Lopez Grau M, Mengual M, Moldon V, Vila Vergaz M, Cabanes Gómez Ciurana R, Gili Riu M, Palomeras Vidal A, Garcia de la Hera M, González Palacios S, Torres Collado L, Valera Gran D, Compañ Gabucio L, Oncina Canovas A, Notario Barandiaran L, Orozco Beltran D, Pertusa Martínez S, Cloquell Rodrigo B, Hernándis Marsán MV, Asensio A, Altozano Rodado MC, Ballester Baixauli JJ, Fernándis Brufal N, Martínez Vergara MC, Román Maciá J, Candela García I, Pedro Cases Pérez E, Tercero Maciá C, Mira Castejón LA, de los Ángeles García García I, Zazo JM, Gisbert Sellés C, Sánchez Botella C, Fiol M, Moñino M, Colom A, Konieczna J, Morey M, Zamanillo R, Galmés AM, Pereira V, Martín MA, Yáñez A, Llobera J, Ripoll J, Prieto R, Grases F, Costa A, Fernández-Palomeque C, Fortuny E, Noris M, Munuera S, Tomás F, Fiol F, Jover A, Janer JM, Vallespir C, Mattei I, Feuerbach N, del Mar Sureda M, Vega S, Quintana L, Fiol A, Amador M, González S, Coll J, Moyá A, Abete I, Cantero I, Cristobo C, Ibero-Baraibar I, Lezáun Burgui MD, Goñi Ruiz N, Bartolomé Resano R, Cano Cáceres E, Elcarte López T, Echarte Osacain E, Pérez Sanz B, Blanco Platero I, Andueza Azcárate SA, Gimeno Aznar A, Ursúa Sesma E, Ojeda Bilbao B, Martinez Jarauta J, Ugalde Sarasa L, Rípodas Echarte B, Güeto Rubio MV, Fernández-Crehuet Navajas J, Gutiérrez Bedmar M, García Rodriguez A, Mariscal Larrubia A, Carnero Varo M, Muñoz Bravo C, Barón-López FJ, Fernández García JC, Pérez-Farinós N, Moreno-Morales N, del C Rodríguez-Martínez M, Pérez-López J, Benavente-Marín JC, Crespo Oliva E, Contreras Fernández E, Carmona González FJ, Carabaño Moral R, Torres Moreno S, Martín Ruíz MV, Alcalá Cornide M, Fuentes Gómez V, Criado García J, Jiménez Morales AI, Delgado Casado N, Ortiz Morales A, Torres Peña JD, Gómez Delgado FJ, Rodríguez Cantalejo F, Caballero Villaraso J, Alcalá JF, Peña Orihuela PJ, Quintana Navarro G, Casas R, Domenech M, Viñas C, Castro-Barquero S, Ruiz-León AM, Sadurní M, Frontana G, Villanueva P, Gual M, Soriano R, Camafort M, Sierra C, Sacanella E, Sala-Vila A, Cots JM, Sarroca I, García M, Bermúdez N, Pérez A, Duaso I, de la Arada A, Hernández R, Simón C, de la Poza MA, Gil I, Vila M, Iglesias C, Assens N, Amatller M, Rams LL, Benet T, Fernández G, Teruel J, Azorin A, Cubells M, López D, Llovet JM, Gómez ML, Climente P, de Paula L, Soto J, Carbonell C, Llor C, Abat X, Cama A, Fortuny M, Domingo C, Liberal AI, Martínez T, Yañez E, Nieto MJ, Pérez A, Lloret E, Carrazoni C, Belles AM, Olmos C, Ramentol M, Capell MJ, Casas R, Giner I, Muñoz A, Martín R, Moron E, Bonillo A, Sánchez G, Calbó C, Pous J, Massip M, García Y, Massagué MC, Ibañez R, Llaona J, Vidal T, Vizcay N, Segura E, Galindo C, Moreno M, Caubet M, Altirriba J, Fluxà G, Toribio P, Torrent E, Anton JJ, Viaplana A, Vieytes G, Duch N, Pereira A, Moreno MA, Pérez A, Sant E, Gené J, Calvillo H, Pont F, Puig M, Casasayas M, Garrich A, Senar E, Martínez A, Boix I, Sequeira E, Aragunde V, Riera S, Salgado M, Fuentes M, Martín E, Ubieto A, Pallarés F, Sala C, Abilla A, Moreno S, Mayor E, Colom T, Gaspar A, Gómez A, Palacios L, Garrigosa R, García Molina L, Riquelme Gallego B, Cano Ibañez N, Maldonado Calvo A, López Maldonado A, Garrido EM, Baena Dominguez A, García Jiménez F, Thomas Carazo E, Jesús Turnes González A, González Jiménez F, Padilla Ruiz F, Machado Santiago J, Martínez Bellón MD, Pueyos Sánchez A, Arribas Mir L, Rodríguez Tapioles R, Dorador Atienza F, Baena Camus L, Osorio Martos C, Rueda Lozano D, López Alcázar M, Ramos Díaz F, Cruz Rosales Sierra M, Alguacil Cubero P, López Rodriguez A, Guerrero García F, Tormo Molina J, Ruiz Rodríguez F, Rekondo J, Salaverria I, Alonso-Gómez A, Belló MC, Loma-Osorio A, Tojal L, Bruyel P, Goicolea L, Sorto C, Casi Casanellas A, Arnal Otero ML, Ortueta Martínez De Arbulo J, Vinagre Morgado J, Romeo Ollora J, Urraca J, Sarriegui Carrera MI, Toribio FJ, Magán E, Rodríguez A, Castro Madrid S, Gómez Merino MT, Rodríguez Jiménez M, Gutiérrez Jodra M, López Alonso B, Iturralde Iriso J, Pascual Romero C, Izquierdo De La Guerra A, Abbate M, Aguilar I, Angullo E, Arenas A, Argelich E, Bibiloni MM, Bisbal Y, Bouzas C, Busquets C, Capó X, Carreres S, De la Peña A, Gallardo L, Gámez JM, García B, García C, Julibert A, Llompart I, Mascaró CM, Mateos D, Montemayor S, Pons A, Ripoll T, Rodríguez T, Salaberry E, Sureda A, Tejada S, Ugarriza L, Valiño L, Bernal López MR, Macías González M, Ruiz Nava J, Fernández García JC, Muñoz Garach A, Vilches Pérez A, González Banderas A, Alcaide Torres J, Vargas Candela A, León Fernández M, Hernández Robles R, Santamaría Fernández S, Marín JM, Valdés Hernández S, Villalobos JC, Ortiz A, Álvarez-Pérez J, Díaz Benítez EM, Díaz-Collado F, Sánchez-Villegas A, Pérez-Cabrera J, Casañas-Quintana LT, García-Guerra RB, Bautista-Castaño I, Ruano-Rodríguez C, Sarmiento de la Fe F, García-Pastor JA, Macías-Gutiérrez B, Falcón-Sanabria I, Simón-García C, Santana-Santana AJ, Álvarez-Álvarez JB, Díaz-González BV, Castillo Anzalas JM, Sosa-Also RE, Medina-Ponce J, Abajo Olea S, Adlbi Sibai A, Aguado Arconada A, Álvarez L, Carriedo Ule E, Escobar Fernández M, Ferradal García JI, Fernández Vázquez JP, García González M, González Donquiles C, González Quintana C, González Rivero F, Lavinia Popescu M, López Gil JI, López de la Iglesia J, Marcos Delgado A, Merino Acevedo C, Reguero Celada S, Rodríguez Bul M, Vilorio-Marqués L, Santos-Lozano JM, Miró-Moriano L, Domínguez-Espinaco C, Vaquero-Díaz S, García-Corte FJ, Santos-Calonge A, Toro-Cortés C, Pelegrina-López N, Urbano-Fernández V, Ortega-Calvo M, Lozano-Rodríguez J, Rivera-Benítez I, Caballero-Valderrama M, Iglesias-Bonilla P, Román-Torres P, Corchado-Albalat Y, Mayoral-Sánchez E, de Cos AI, Gutierrez S, Artola S, Galdon A, Gonzalo I, Más S, Sierra R, Luca B, Prieto L, Galera A, Gimenez-Gracia M, Figueras R, Poch M, Freixedas R, Trias F, Sarasa I, Fanlo M, Lafuente H, Liceran M, Rodriguez-Sanchez A, Pallarols C, Monedero J, Corbella X, Corbella E, Altés A, Vinagre I, Mestres C, Viaplana J, Serra M, Vera J, Freitas T, Ortega E, Pla I, Ordovás JM, Micó V, Berninches L, Concejo MJ, Muñoz J, Adrián M, de la Fuente Y, Albertos C, Villahoz E, Cornejo ML, Gaforio JJ, Moraleda S, Liétor N, Peis JI, Ureña T, Rueda M, Ballesta MI, Moreno Lopera C, Aragoneses Isabel C, Sirur Flores MA, Ceballos de Diego M, Bescos Cáceres T, Peña Cereceda Y, Martínez Abad M, Cabrera Vela R, González Cerrajero M, Rubio Herrera MA, Torrego Ellacuría M, Barabash Bustelo A, Ortiz Ramos M, Garin Barrutia U, Baños R, García-Palacios A, Cerdá Micó C, Estañ Capell N, Iradi A, Fandos Sánchez M. Cohort Profile: Design and methods of the PREDIMED-Plus randomized trial. Int J Epidemiol 2018; 48:387-388o. [PMID: 30476123 DOI: 10.1093/ije/dyy225] [Citation(s) in RCA: 159] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/08/2018] [Indexed: 01/04/2023] Open
Affiliation(s)
- Miguel A Martínez-González
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Preventive Medicine and Public Health, University of Navarra, IDISNA, Pamplona, Spain
- Department of Nutrition, Harvard T. H. Chan School of Public Health, Boston, MA, USA
| | - Pilar Buil-Cosiales
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Preventive Medicine and Public Health, University of Navarra, IDISNA, Pamplona, Spain
- Atención Primaria, Servicio Navarro de Salud-Osasunbidea, Pamplona, Spain
| | - Dolores Corella
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Preventive Medicine, University of Valencia, Valencia, Spain
| | - Monica Bulló
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Rovira i Virgili University, Department of Biochemistry and Biotechnology, Human Nutrition Unit, IISPV, Hospital Universitari Sant Joan de Reus, Reus, Spain
| | - Montserrat Fitó
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Unit of Cardiovascular Risk and Nutrition, Institut Hospital del Mar de Investigaciones Médicas Municipal d’Investigació Mèdica (IMIM), Barcelona, Spain
| | - Jesús Vioque
- CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Miguel Hernandez University, ISABIAL-FISABIO, Alicante, Spain
| | - Dora Romaguera
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Clinical Epidemiology and Public Health Department, Health Research Institute of the Balearic Islands (IdISBa), Palma de Mallorca, Spain
| | - J Alfredo Martínez
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- University of Navarra, Department of Nutrition, Food Science and Physiology, IDISNA, Pamplona, Spain
| | - Julia Wärnberg
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Nursing, School of Health Sciences, University of Málaga-IBIMA, Málaga, Spain
| | - Jose López-Miranda
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Internal Medicine, Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Reina Sofia University Hospital, University of Cordoba, Cordoba, Spain
| | - Ramón Estruch
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Internal Medicine, IDIBAPS, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - Aurora Bueno-Cavanillas
- CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Preventive Medicine, University of Granada, Granada, Spain
| | - Fernando Arós
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Cardiology, University Hospital Araba, University of the Basque Country UPV/EHU, Vitoria-Gasteiz, Spain
| | - Josep A Tur
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Research Group on Community Nutrition & Oxidative Stress, University of Balearic Islands, Palma de Mallorca, Spain
| | - Francisco Tinahones
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Virgen de la Victoria Hospital, Department of Endocrinology, University of Málaga, Málaga, Spain
| | - Lluis Serra-Majem
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- University of Las Palmas de Gran Canaria, Research Institute of Biomedical and Health Sciences (IUIBS), Preventive Medicine Service, Centro Hospitalario Universitario Insular Materno Infantil (CHUIMI), Canarian Health Service, Las Palmas, Spain
| | - Vicente Martín
- CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Institute of Biomedicine (IBIOMED), University of León, León, Spain
| | - Jose Lapetra
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Family Medicine, Research Unit, Distrito Sanitario Atención Primaria Sevilla, Sevilla, Spain
| | - Clotilde Vázquez
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Endocrinology, Fundación Jiménez-Díaz, Madrid, Spain
| | - Xavier Pintó
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Lipids and Vascular Risk Unit, Internal Medicine, Hospital Universitario de Bellvitge, Hospitalet de Llobregat, Barcelona, Spain
| | - Josep Vidal
- CIBER Diabetes y enfermedades Metabólicas (CIBERDEM), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Endocrinology, IDIBAPS, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - Lidia Daimiel
- Nutritional Genomics and Epigenomics Group, IMDEA Food, CEI UAM + CSIC, Madrid, Spain
| | - Miguel Delgado-Rodríguez
- CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Division of Preventive Medicine, Faculty of Medicine, University of Jaén, Jaén, Spain
| | - Pilar Matía
- Department of Endocrinology and Nutrition, Instituto de Investigación Sanitaria Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - Emilio Ros
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Lipid Clinic, Department of Endocrinology and Nutrition, Institut d’Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Hospital Clínic, Barcelona, Spain
| | - Fernando Fernández-Aranda
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Eating Disorders Unit, Department of Psychiatry, University Hospital of Bellvitge-IDIBELL, Hospitalet del Llobregat, Barcelona, Spain
| | - Cristina Botella
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Basic and Clinical Psychology and Psychobiology, Universitat Jaume I, Castellón de la Plana, Spain
| | - María Puy Portillo
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Nutrition and Food Science, Faculty of Pharmacy and Lucio Lascaray Research Center, Universidad del País Vasco (UPV/EHU), Vitoria, Spain
| | - Rosa M Lamuela-Raventós
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Nutrition, Food Science and Gastronomy, XaRTA, INSA, -UB, School of Pharmacy and Food Science, University of Barcelona, Barcelona, Spain
| | - Ascensión Marcos
- Institute of Food Science, Technology and Nutrition (ICTAN), Spanish National Research Council (CSIC), Madrid, Spain
| | - Guillermo Sáez
- Department of Biochemistry and Molecular Biology, Faculty of Medicine and Odontology, University Hospital Dr. Peset, University of Valencia, Valencia, Spain
| | | | - Miguel Ruiz-Canela
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Preventive Medicine and Public Health, University of Navarra, IDISNA, Pamplona, Spain
| | - Estefania Toledo
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Preventive Medicine and Public Health, University of Navarra, IDISNA, Pamplona, Spain
| | - Ismael Alvarez-Alvarez
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Preventive Medicine and Public Health, University of Navarra, IDISNA, Pamplona, Spain
| | - Javier Díez-Espino
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Preventive Medicine and Public Health, University of Navarra, IDISNA, Pamplona, Spain
- Atención Primaria, Servicio Navarro de Salud-Osasunbidea, Pamplona, Spain
| | - José V Sorlí
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Preventive Medicine, University of Valencia, Valencia, Spain
| | - Josep Basora
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Rovira i Virgili University, Department of Biochemistry and Biotechnology, Human Nutrition Unit, IISPV, Hospital Universitari Sant Joan de Reus, Reus, Spain
| | - Olga Castañer
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Unit of Cardiovascular Risk and Nutrition, Institut Hospital del Mar de Investigaciones Médicas Municipal d’Investigació Mèdica (IMIM), Barcelona, Spain
| | - Helmut Schröder
- Unit of Cardiovascular Risk and Nutrition, Institut Hospital del Mar de Investigaciones Médicas Municipal d’Investigació Mèdica (IMIM), Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Eva María Navarrete-Muñoz
- CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Miguel Hernandez University, ISABIAL-FISABIO, Alicante, Spain
| | - Maria Angeles Zulet
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- University of Navarra, Department of Nutrition, Food Science and Physiology, IDISNA, Pamplona, Spain
| | - Antonio García-Rios
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Department of Internal Medicine, Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Reina Sofia University Hospital, University of Cordoba, Cordoba, Spain
| | - Jordi Salas-Salvadó
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Rovira i Virgili University, Department of Biochemistry and Biotechnology, Human Nutrition Unit, IISPV, Hospital Universitari Sant Joan de Reus, Reus, Spain
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Arias-Cavieres A, Barrientos GC, Sánchez G, Elgueta C, Muñoz P, Hidalgo C. Ryanodine Receptor-Mediated Calcium Release Has a Key Role in Hippocampal LTD Induction. Front Cell Neurosci 2018; 12:403. [PMID: 30459562 PMCID: PMC6232521 DOI: 10.3389/fncel.2018.00403] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 10/18/2018] [Indexed: 01/04/2023] Open
Abstract
The induction of both long-term potentiation (LTP) and long-term depression (LTD) of synaptic transmission entails pre- and postsynaptic Ca2+ signals, which represent transient increments in cytoplasmic free Ca2+ concentration. In diverse synapse types, Ca2+ release from intracellular stores contributes to amplify the Ca2+ signals initially generated by activation of neuronal Ca2+ entry pathways. Here, we used hippocampal slices from young male rats to evaluate whether pharmacological activation or inhibition of Ca2+ release from the endoplasmic reticulum (ER) mediated by ryanodine receptor (RyR) channels modifies LTD induction at Schaffer collateral-CA1 synapses. Pre-incubation of slices with ryanodine (1 μM, 1 h) or caffeine (1 mM, 30 min) to promote RyR-mediated Ca2+ release facilitated LTD induction by low frequency stimulation (LFS), but did not affect the amplitude of synaptic transmission, the profiles of field excitatory postsynaptic potentials (fEPSP) or the paired-pulse (PP) responses. Conversely, treatment with inhibitory ryanodine (20 μM, 1 h) to suppress RyR-mediated Ca2+ release prevented LTD induction, but did not affect baseline synaptic transmission or PP responses. Previous literature reports indicate that LTD induction requires presynaptic CaMKII activity. We found that 1 h after applying the LTD induction protocol, slices displayed a significant increase in CaMKII phosphorylation relative to the levels exhibited by un-stimulated (naïve) slices. In addition, LTD induction (1 h) enhanced the phosphorylation of the presynaptic protein Synapsin I at a CaMKII-dependent phosphorylation site, indicating that LTD induction stimulates presynaptic CaMKII activity. Pre-incubation of slices with 20 μM ryanodine abolished the increased CaMKII and Synapsin I phosphorylation induced by LTD, whereas naïve slices pre-incubated with inhibitory ryanodine displayed similar CaMKII and Synapsin I phosphorylation levels as naïve control slices. We posit that inhibitory ryanodine suppressed LTD-induced presynaptic CaMKII activity, as evidenced by the suppression of Synapsin I phosphorylation induced by LTD. Accordingly, we propose that presynaptic RyR-mediated Ca2+ signals contribute to LTD induction at Schaffer collateral-CA1 synapses.
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Affiliation(s)
- Alejandra Arias-Cavieres
- Biomedical Neuroscience Institute (BNI), Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Genaro C Barrientos
- Physiology and Biophysics Program, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Gina Sánchez
- Biomedical Neuroscience Institute (BNI), Faculty of Medicine, Universidad de Chile, Santiago, Chile.,Pathophysiology Program, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Claudio Elgueta
- Systemic and Cellular Neurophysiology, Physiology Institute I, Medical Faculty, University of Freiburg, Freiburg, Germany
| | - Pablo Muñoz
- Pathology and Physiology Department, Medical School, Faculty of Medicine, Universidad de Valparaíso, Valparaíso, Chile
| | - Cecilia Hidalgo
- Biomedical Neuroscience Institute (BNI), Faculty of Medicine, Universidad de Chile, Santiago, Chile.,Physiology and Biophysics Program, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago, Chile.,Department of Neuroscience and Center of Molecular Studies of the Cell, Faculty of Medicine, Universidad de Chile, Santiago, Chile
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López-Gálvez F, Randazzo W, Vásquez A, Sánchez G, Decol LT, Aznar R, Gil MI, Allende A. Irrigating Lettuce with Wastewater Effluent: Does Disinfection with Chlorine Dioxide Inactivate Viruses? J Environ Qual 2018; 47:1139-1145. [PMID: 30272803 DOI: 10.2134/jeq2017.12.0485] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Reclaimed water obtained from urban wastewater is currently being used as irrigation water in water-scarce regions in Spain. However, wastewater can contain enteric viruses that water reclamation treatment cannot remove or inactivate completely. In the present study, greenhouse-grown baby lettuce ( L.) was irrigated with secondary treatment effluent from a wastewater treatment plant untreated and treated using chlorine dioxide (ClO). The effect of ClO treatment on the physicochemical characteristics and the presence of enteric viruses in irrigation water and lettuce was assessed. The presence of human noroviruses genogroups I and II (NoV GI and NoV GII), and human astroviruses (HAstV), was analyzed by real-time polymerase chain reaction (RT-qPCR). Additionally, to check for the loss of infectivity induced by the disinfection treatment, positive samples were re-analyzed after pretreatment with the intercalating dye PMAxx before RNA extraction and RT-qPCR. There were no significant differences in the proportion of positive samples and the concentration of enteric viruses between treated and untreated reclaimed water without PMAxx pretreatment ( > 0.05). A significantly lower concentration of NoV GI was detected in ClO-treated water when samples were pretreated with PMAxx ( < 0.05), indicating that inactivation was due to the disinfection treatment. Laboratory-scale validation tests indicated the suitability of PMAxx-RT-qPCR for discrimination between potentially infectious and ClO-damaged viruses. Although the applied ClO treatment was not able to significantly reduce the enteric virus load of the secondary effluent from the wastewater treatment plant, none of the lettuce samples analyzed ( = 36) was positive for the presence of NoV or HAstV.
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Gajardo AIJ, Karachon L, Bustamante P, Repullo P, Llancaqueo M, Sánchez G, Rodrigo R. Autonomic imbalance in cardiac surgery: A potential determinant of the failure in remote ischemic preconditioning. Med Hypotheses 2018; 118:146-150. [PMID: 30037604 DOI: 10.1016/j.mehy.2018.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 05/27/2018] [Accepted: 07/02/2018] [Indexed: 11/17/2022]
Abstract
Remote ischemic preconditioning (RIPC) is a cardioprotective strategy against myocardial damage by ischemia-reperfusion. Many in-vivo and ex-vivo animal researches have demonstrated that RIPC decreases significantly the ischemia-reperfusion myocardial damage, by up to 58% in isolated rat heart. Cardiac artery bypass graft surgery (CABG) is a clinical model of myocardial ischemia-reperfusion and a clinical potential application to RIPC. However, although RIPC has shown successful results in experimental studies, clinical trials on CABG have failed to demonstrate a benefit of RIPC in humans. Strikingly, the main proposed factors associated with this translational failure also impair the balance of the autonomic nervous system (ANS), which has shown to play a key role in RIPC cardioprotection in animal models. Comorbidities, chronic pharmacological treatment and anesthesic drugs - common conditions in CABG patients - cause an ANS imbalance through parasympathetic activity decrement. On the other hand, ANS and specially the parasympathetic branch are essentials to get cardioprotection by RIPC in animal models. Consequently, we propose that ANS imbalance in CABG patients would explain the failure of RIPC clinical trials. Whether our hypothesis is true, many patients could be benefited by RIPC: a cheap, simple and virtually broad-available cardioprotective maneuver. In this paper we discuss the evidence that support this hypothesis and its clinical implications.
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Affiliation(s)
- Abraham I J Gajardo
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Chile; Department of Internal Medicine, University of Chile Clinical Hospital, Chile
| | - Lukas Karachon
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Chile
| | - Pablo Bustamante
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Chile
| | - Pablo Repullo
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Chile
| | | | - Gina Sánchez
- Pathophysiology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Chile
| | - Ramón Rodrigo
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Chile.
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More J, Casas MM, Sánchez G, Hidalgo C, Haeger P. Contextual Fear Memory Formation and Destabilization Induce Hippocampal RyR2 Calcium Channel Upregulation. Neural Plast 2018; 2018:5056181. [PMID: 30123252 PMCID: PMC6079367 DOI: 10.1155/2018/5056181] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 04/17/2018] [Accepted: 06/03/2018] [Indexed: 12/17/2022] Open
Abstract
Hippocampus-dependent spatial and aversive memory processes entail Ca2+ signals generated by ryanodine receptor (RyR) Ca2+ channels residing in the endoplasmic reticulum membrane. Rodents exposed to different spatial memory tasks exhibit significant hippocampal RyR upregulation. Contextual fear conditioning generates robust hippocampal memories through an associative learning process, but the effects of contextual fear memory acquisition, consolidation, or extinction on hippocampal RyR protein levels remain unreported. Accordingly, here we investigated if exposure of male rats to contextual fear protocols, or subsequent exposure to memory destabilization protocols, modified the hippocampal content of type-2 RyR (RyR2) channels, the predominant hippocampal RyR isoforms that hold key roles in synaptic plasticity and spatial memory processes. We found that contextual memory retention caused a transient increase in hippocampal RyR2 protein levels, determined 5 h after exposure to the conditioning protocol; this increase vanished 29 h after training. Context reexposure 24 h after training, for 3, 15, or 30 min without the aversive stimulus, decreased fear memory and increased RyR2 protein levels, determined 5 h after reexposure. We propose that both fear consolidation and extinction memories induce RyR2 protein upregulation in order to generate the intracellular Ca2+ signals required for these distinct memory processes.
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Affiliation(s)
- Jamileth More
- Biomedical Neuroscience Institute, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - María Mercedes Casas
- Biomedical Neuroscience Institute, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Gina Sánchez
- Pathophysiology Program, ICBM, Faculty of Medicine, Universidad de Chile, Santiago, Chile
- Center for Exercise, Metabolism and Cancer, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Cecilia Hidalgo
- Biomedical Neuroscience Institute, Faculty of Medicine, Universidad de Chile, Santiago, Chile
- Center for Exercise, Metabolism and Cancer, Faculty of Medicine, Universidad de Chile, Santiago, Chile
- Department of Neurosciences and Physiology and Biophysics Program, ICBM, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Paola Haeger
- Department of Biomedical Sciences, Faculty of Medicine, Universidad Católica del Norte, Coquimbo, Chile
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Lepore CJ, Tohma K, Ford-Siltz LA, Sánchez G, Mayta H, Gilman RH, Saito M, Parra GI. A29 Development of a full-genome sequencing platform to study norovirus diversity. Virus Evol 2018. [PMCID: PMC5905530 DOI: 10.1093/ve/vey010.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- C J Lepore
- Division of Viral Products, Food and Drug Administration, Silver Spring, MD, USA
| | - K Tohma
- Division of Viral Products, Food and Drug Administration, Silver Spring, MD, USA
- Department of Virology, Tohoku University School of Medicine, Sendai, Japan
| | - L A Ford-Siltz
- Division of Viral Products, Food and Drug Administration, Silver Spring, MD, USA
| | - G Sánchez
- Infectious Diseases Research Laboratory, Department of Cellular and Molecular Sciences, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - H Mayta
- Infectious Diseases Research Laboratory, Department of Cellular and Molecular Sciences, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - R H Gilman
- Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - M Saito
- Department of Virology, Tohoku University School of Medicine, Sendai, Japan
| | - G I Parra
- Division of Viral Products, Food and Drug Administration, Silver Spring, MD, USA
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Utreras‐Mendoza YP, Peña JP, Montesinos L, Sánchez G, Donoso P. High fat diet induces early diastolic dysfunction and cardiac hypertrophy in mice. FASEB J 2018. [DOI: 10.1096/fasebj.2018.32.1_supplement.848.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | | | - Luis Montesinos
- Departamento de Fisiología y BiofísicaInstituto de Ciencias BiomédicasUniversidad de ChileSantiagoChile
| | - Gina Sánchez
- Departamento de FisiopatologíaInstituto de Ciencias BiomédicaFacultad de MedicinaUniversidad de ChileSantiagoChile
| | - Paulina Donoso
- Departamento de Fisiología y BiofísicaInstituto de Ciencias BiomédicasUniversidad de ChileSantiagoChile
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Randazzo W, Piqueras J, Rodríguez-Díaz J, Aznar R, Sánchez G. Improving efficiency of viability-qPCR for selective detection of infectious HAV in food and water samples. J Appl Microbiol 2018; 124:958-964. [PMID: 28649706 DOI: 10.1111/jam.13519] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 06/16/2017] [Accepted: 06/16/2017] [Indexed: 11/27/2022]
Abstract
AIM To improve the efficacy of intercalating dyes to distinguishing between infectious and inactivated hepatitis A virus (HAV) in food. METHODS AND RESULTS Different intercalating dyes were evaluated for the discrimination between infectious and thermally inactivated HAV suspensions combining with the RT-qPCR proposed in the ISO 15216. Among them, PMAxx was the best dye in removing the RT-qPCR signal from inactivated HAV. Applied to lettuce and spinach, PMAxx-Triton pretreatment resulted in complete removal of the RT-qPCR signal from inactivated HAV. Likewise, this study demonstrates that this pretreatment is suitable for the discrimination of inactivated HAV in shellfish without further sample dilution. In mussels and oysters, the developed viability RT-qPCR method reduced the signal of inactivated HAV between 1·7 and 2·2 logs at high inoculation level, and signal was completely removed at low inoculation level. CONCLUSIONS This study showed that the use of PMAxx is an important improvement to assess HAV infectivity by RT-qPCR. It was shown that PMAxx-Triton pretreatment is suitable for the analysis of infectious HAV in complex food samples such as vegetables and shellfish. SIGNIFICANCE AND IMPACT OF THE STUDY The PMAxx-Triton pretreatment can be easily incorporated to the ISO norm for infectious virus detection.
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Affiliation(s)
- W Randazzo
- Department of Microbiology and Ecology, University of Valencia, Burjassot, Valencia, Spain
- Department of Preservation and Food Safety Technologies (IATA-CSIC), Paterna, Valencia, Spain
| | - J Piqueras
- Department of Microbiology and Ecology, University of Valencia, Burjassot, Valencia, Spain
- Department of Preservation and Food Safety Technologies (IATA-CSIC), Paterna, Valencia, Spain
| | - J Rodríguez-Díaz
- Department of Microbiology and Ecology, University of Valencia, Burjassot, Valencia, Spain
- Institute for Clinical Research of the Hospital Clínico Universitario (INCLIVA), Valencia, Spain
| | - R Aznar
- Department of Microbiology and Ecology, University of Valencia, Burjassot, Valencia, Spain
- Department of Preservation and Food Safety Technologies (IATA-CSIC), Paterna, Valencia, Spain
| | - G Sánchez
- Department of Microbiology and Ecology, University of Valencia, Burjassot, Valencia, Spain
- Department of Preservation and Food Safety Technologies (IATA-CSIC), Paterna, Valencia, Spain
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Sánchez G, Araneda F, Peña JP, Finkelstein JP, Riquelme JA, Montecinos L, Barrientos G, Llanos P, Pedrozo Z, Said M, Bull R, Donoso P. High-Fat-Diet-Induced Obesity Produces Spontaneous Ventricular Arrhythmias and Increases the Activity of Ryanodine Receptors in Mice. Int J Mol Sci 2018; 19:ijms19020533. [PMID: 29439404 PMCID: PMC5855755 DOI: 10.3390/ijms19020533] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 01/26/2018] [Accepted: 02/07/2018] [Indexed: 12/27/2022] Open
Abstract
Ventricular arrhythmias are a common cause of sudden cardiac death, and their occurrence is higher in obese subjects. Abnormal gating of ryanodine receptors (RyR2), the calcium release channels of the sarcoplasmic reticulum, can produce ventricular arrhythmias. Since obesity promotes oxidative stress and RyR2 are redox-sensitive channels, we investigated whether the RyR2 activity was altered in obese mice. Mice fed a high fat diet (HFD) became obese after eight weeks and exhibited a significant increase in the occurrence of ventricular arrhythmias. Single RyR2 channels isolated from the hearts of obese mice were more active in planar bilayers than those isolated from the hearts of the control mice. At the molecular level, RyR2 channels from HFD-fed mice had substantially fewer free thiol residues, suggesting that redox modifications were responsible for the higher activity. Apocynin, provided in the drinking water, completely prevented the appearance of ventricular arrhythmias in HFD-fed mice, and normalized the activity and content of the free thiol residues of the protein. HFD increased the expression of NOX4, an isoform of NADPH oxidase, in the heart. Our results suggest that HFD increases the activity of RyR2 channels via a redox-dependent mechanism, favoring the appearance of ventricular arrhythmias.
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Affiliation(s)
- Gina Sánchez
- Programa de Fisiopatología, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, 8380453 Santiago, Chile.
| | - Felipe Araneda
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, 8380453 Santiago, Chile.
| | - Juan Pedro Peña
- Escuela de Ciencias Veterinarias, Universidad de Viña del Mar, 2572007 Viña del Mar, Valparaíso, Chile.
| | - José Pablo Finkelstein
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, 8380453 Santiago, Chile.
| | - Jaime A Riquelme
- Advanced Center for Chronic Diseases, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, 8380494 Santiago, Chile.
| | - Luis Montecinos
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, 8380453 Santiago, Chile.
| | - Genaro Barrientos
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, 8380453 Santiago, Chile.
| | - Paola Llanos
- Instituto de Investigación en Ciencias Odontológicas, Facultad de Odontología, Universidad de Chile, 8380492 Santiago, Chile.
| | - Zully Pedrozo
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, 8380453 Santiago, Chile.
- Advanced Center for Chronic Diseases, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, 8380494 Santiago, Chile.
| | - Matilde Said
- Centro de Investigaciones Cardiovasculares, CCT-CONICET La Plata, Facultad de Medicina, Universidad Nacional de La Plata, 1900 La Plata, Argentina.
| | - Ricardo Bull
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, 8380453 Santiago, Chile.
| | - Paulina Donoso
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, 8380453 Santiago, Chile.
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Córdova-Casanova A, Olmedo I, Riquelme J, Barrientos G, Sánchez G, Gillette T, Lavandero S, Chiong M, Donoso P, Pedrozo Z. Mechanical stretch increases L-type calcium channel stability in cardiomyocytes through a polycystin-1/AKT-dependent mechanism. Biochimica et Biophysica Acta (BBA) - Molecular Cell Research 2018; 1865:289-296. [DOI: 10.1016/j.bbamcr.2017.11.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 11/02/2017] [Accepted: 11/03/2017] [Indexed: 12/24/2022]
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Bosch-Barrera J, Sais E, Izquierdo A, Hernández A, Roa D, Cuyas E, Pedraza S, Priego N, Ortuño P, Sánchez G, Cañete N, Roselló A, Soffietti R, Brunet J, Valiente M, Menendez J. Effect of silibinin nutraceutical supplementation in brain metastases of patients with advanced lung cancer. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx366.035] [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: 11/14/2022] Open
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Randazzo W, Falcó I, Aznar R, Sánchez G. Effect of green tea extract on enteric viruses and its application as natural sanitizer. Food Microbiol 2017; 66:150-156. [PMID: 28576363 DOI: 10.1016/j.fm.2017.04.018] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Revised: 04/25/2017] [Accepted: 04/28/2017] [Indexed: 11/20/2022]
Abstract
In this work, the effect of green tea extract (GTE) was assessed against murine norovirus (MNV) and hepatitis A virus (HAV) at different temperatures, exposure times and pH conditions. Initially, GTE at 0.5 and 5 mg/ml were individually mixed with each virus at 5 log TCID50/ml and incubated 2 h at 37 °C at different pHs (from 5.5 to 8.5). GTE affected both viruses depending on pH with higher reductions observed in alkaline conditions. Secondly, different concentrations of GTE (0.5 and 5 mg/ml) were mixed with viral suspensions and incubated for 2 or 16 h at 4, 25 and 37 °C at pH 7.2. A concentration-, temperature- and exposure time-dependent response was showed by GTE in suspension tests, where complete inactivation was achieved after overnight exposure at 37 °C for both viruses and also at 25 °C for HAV. In addition, antiviral effect of GTE proved efficient in the surface disinfection tests since 1.5 log reduction and complete inactivation were recorded for MNV and HAV on stainless steel and glass surfaces treated with 10 mg/ml GTE for 30 min, analyzed in accordance with ISO 13697:2001. GTE was also evaluated as a natural disinfectant of produce, showing 10 mg/ml GTE reduced MNV and HAV titers in lettuce and spinach by more than 1.5 log after 30 min treatment. The results show a potential of GTE as natural disinfectant able to limit enteric viral (cross-)contaminations conveyed by food and food-contact surfaces.
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Affiliation(s)
- W Randazzo
- Department of Microbiology and Ecology, University of Valencia Av. Dr. Moliner, 50. 46100 Burjassot, Valencia, Spain
| | - I Falcó
- Department of Microbiology and Ecology, University of Valencia Av. Dr. Moliner, 50. 46100 Burjassot, Valencia, Spain
| | - R Aznar
- Department of Microbiology and Ecology, University of Valencia Av. Dr. Moliner, 50. 46100 Burjassot, Valencia, Spain; Department of Preservation and Food Safety Technologies, IATA-CSIC, Av. Agustín Escardino 7. 46980 Paterna Valencia, Spain
| | - G Sánchez
- Department of Microbiology and Ecology, University of Valencia Av. Dr. Moliner, 50. 46100 Burjassot, Valencia, Spain; Department of Preservation and Food Safety Technologies, IATA-CSIC, Av. Agustín Escardino 7. 46980 Paterna Valencia, Spain.
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Castro-Mayorga J, Randazzo W, Fabra M, Lagaron J, Aznar R, Sánchez G. Antiviral properties of silver nanoparticles against norovirus surrogates and their efficacy in coated polyhydroxyalkanoates systems. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2017.01.065] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Sánchez G, Murillo M, Giovanini L. Adaptive arrival cost update for improving Moving Horizon Estimation performance. ISA Trans 2017; 68:54-62. [PMID: 28259357 DOI: 10.1016/j.isatra.2017.02.012] [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] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 10/28/2016] [Accepted: 02/17/2017] [Indexed: 06/06/2023]
Abstract
Moving horizon estimation is an efficient technique to estimate states and parameters of constrained dynamical systems. It relies on the solution of a finite horizon optimization problem to compute the estimates, providing a natural framework to handle bounds and constraints on estimates, noises and parameters. However, the approximation of the arrival cost and its updating mechanism are an active research topic. The arrival cost is very important because it provides a mean to incorporate information from previous measurements to the current estimates and it is difficult to estimate its true value. In this work, we exploit the features of adaptive estimation methods to update the parameters of the arrival cost. We show that, having a better approximation of the arrival cost, the size of the optimization problem can be significantly reduced guaranteeing the stability and convergence of the estimates. These properties are illustrated through simulation studies.
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Affiliation(s)
- G Sánchez
- Research Institute for Signals, Systems and Computational Intelligence, sinc(i), FICH-UNL/CONICET, Ciudad Universitaria UNL, 4° piso FICH, S3000 Santa Fe, Argentina.
| | - M Murillo
- Research Institute for Signals, Systems and Computational Intelligence, sinc(i), FICH-UNL/CONICET, Ciudad Universitaria UNL, 4° piso FICH, S3000 Santa Fe, Argentina.
| | - L Giovanini
- Research Institute for Signals, Systems and Computational Intelligence, sinc(i), FICH-UNL/CONICET, Ciudad Universitaria UNL, 4° piso FICH, S3000 Santa Fe, Argentina.
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Arias-Cavieres A, Adasme T, Sánchez G, Muñoz P, Hidalgo C. Aging Impairs Hippocampal- Dependent Recognition Memory and LTP and Prevents the Associated RyR Up-regulation. Front Aging Neurosci 2017; 9:111. [PMID: 28484388 PMCID: PMC5402473 DOI: 10.3389/fnagi.2017.00111] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Accepted: 04/06/2017] [Indexed: 11/21/2022] Open
Abstract
Recognition memory comprises recollection judgment and familiarity, two different processes that engage the hippocampus and the perirhinal cortex, respectively. Previous studies have shown that aged rodents display defective recognition memory and alterations in hippocampal synaptic plasticity. We report here that young rats efficiently performed at short-term (5 min) and long-term (24 h) hippocampus-associated object-location tasks and perirhinal cortex-related novel-object recognition tasks. In contrast, aged rats successfully performed the object-location and the novel-object recognition tasks only at short-term. In addition, aged rats displayed defective long-term potentiation (LTP) and enhanced long-term depression (LTD). Successful long-term performance of object-location but not of novel-object recognition tasks increased the protein levels of ryanodine receptor types-2/3 (RyR2/RyR3) and of IP3R1 in young rat hippocampus. Likewise, sustained LTP induction (1 h) significantly increased RyR2, RyR3 and IP3R1 protein levels in hippocampal slices from young rats. In contrast, LTD induction (1 h) did not modify the levels of these three proteins. Naïve (untrained) aged rats displayed higher RyR2/RyR3 hippocampal protein levels but similar IP3R1 protein content relative to young rats; these levels did not change following exposure to either memory recognition task or after LTP or LTD induction. The perirhinal cortex from young or aged rats did not display changes in the protein contents of RyR2, RyR3, and IP3R1 after exposure at long-term (24 h) to the object-location or the novel-object recognition tasks. Naïve aged rats displayed higher RyR2 channel oxidation levels in the hippocampus compared to naïve young rats. The RyR2/RyR3 up-regulation and the increased RyR2 oxidation levels exhibited by aged rat hippocampus are likely to generate anomalous calcium signals, which may contribute to the well-known impairments in hippocampal LTP and spatial memory that take place during aging.
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Affiliation(s)
| | - Tatiana Adasme
- Biomedical Neuroscience Institute, Faculty of Medicine, Universidad de ChileSantiago, Chile.,Centro Integrativo de Biología y Química Aplicada, Universidad Bernardo O'HigginsSantiago, Chile
| | - Gina Sánchez
- Biomedical Neuroscience Institute, Faculty of Medicine, Universidad de ChileSantiago, Chile.,Pathophysiology Program, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de ChileSantiago, Chile
| | - Pablo Muñoz
- Center for Applied Neurological Sciences and Interdisciplinary Center for Innovation in Health, School of Medicine, Universidad de ValparaísoValparaíso, Chile
| | - Cecilia Hidalgo
- Biomedical Neuroscience Institute, Faculty of Medicine, Universidad de ChileSantiago, Chile.,Center of Molecular Studies of the Cell and Physiology and Biophysics Program, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de ChileSantiago, Chile
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Blanco CJ, Martín EG, Sánchez G, Vidal Figueredo RJ, Ferraro J, Pellegrino FC. Non Iatrogenic acute meningeal inflammation after laminectomy in rats. cienvet 2016. [DOI: 10.19137/cienvet-20161822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Randazzo W, Aznar R, Sánchez G. Curcumin-Mediated Photodynamic Inactivation of Norovirus Surrogates. Food Environ Virol 2016; 8:244-250. [PMID: 27496054 DOI: 10.1007/s12560-016-9255-3] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Accepted: 07/29/2016] [Indexed: 05/19/2023]
Abstract
Photodynamic inactivation (PDI) is extensively used to inactivate different type of pathogens through the use of photosensitizers (PS). Curcumin has been identified as an excellent natural photosensitizer with some potential applications in the food industry. The aim of this study was to assess the antiviral activity of photoactivated curcumin on norovirus surrogates, feline calicivirus (FCV), and murine norovirus (MNV). Initially, different concentrations of curcumin (13.5-1358 µM) were individually mixed with each virus at titers of ca. 6-7 log TCID50/ml and photoactivated by LED blue light with light dose of 3 J/cm2. Results showed that photoactivated curcumin at 50 µg/mL reduced FCV titers by almost 5 log after incubation at 37 °C for 30 min. Lower antiviral activity (0.73 log TCID50/mL reduction) was reported for MNV. At room temperature, curcumin at 5 µg/mL reduced FCV titers by 1.75 log TCID50/mL. These results represent a step forward in improving food safety using photoactivated curcumin as an alternative natural additive to reduce viral contamination.
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Affiliation(s)
- W Randazzo
- Departament of Biotechnology, Institute of Agrochemistry and Food Technology (IATA-CSIC), Av. Agustín Escardino 7, 46980, Paterna, Valencia, Spain
- Departament of Microbiology and Ecology, University of Valencia, Av. Dr. Moliner, 50, 46100, Burjassot, Valencia, Spain
| | - R Aznar
- Departament of Biotechnology, Institute of Agrochemistry and Food Technology (IATA-CSIC), Av. Agustín Escardino 7, 46980, Paterna, Valencia, Spain
- Departament of Microbiology and Ecology, University of Valencia, Av. Dr. Moliner, 50, 46100, Burjassot, Valencia, Spain
| | - G Sánchez
- Departament of Biotechnology, Institute of Agrochemistry and Food Technology (IATA-CSIC), Av. Agustín Escardino 7, 46980, Paterna, Valencia, Spain.
- Departament of Microbiology and Ecology, University of Valencia, Av. Dr. Moliner, 50, 46100, Burjassot, Valencia, Spain.
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López-Gálvez F, Truchado P, Sánchez G, Aznar R, Gil M, Allende A. Occurrence of enteric viruses in reclaimed and surface irrigation water: relationship with microbiological and physicochemical indicators. J Appl Microbiol 2016; 121:1180-8. [DOI: 10.1111/jam.13224] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 06/21/2016] [Accepted: 06/23/2016] [Indexed: 12/11/2022]
Affiliation(s)
- F. López-Gálvez
- Research Group on Quality, Safety and Bioactivity of Plant Foods; Department of Food Science and Technology; CEBAS-CSIC; Murcia Spain
| | - P. Truchado
- Research Group on Quality, Safety and Bioactivity of Plant Foods; Department of Food Science and Technology; CEBAS-CSIC; Murcia Spain
| | - G. Sánchez
- Department of Biotechnology; IATA-CSIC; Valencia Spain
- Department of Microbiology and Ecology; University of Valencia; Valencia Spain
| | - R. Aznar
- Department of Biotechnology; IATA-CSIC; Valencia Spain
- Department of Microbiology and Ecology; University of Valencia; Valencia Spain
| | - M.I. Gil
- Research Group on Quality, Safety and Bioactivity of Plant Foods; Department of Food Science and Technology; CEBAS-CSIC; Murcia Spain
| | - A. Allende
- Research Group on Quality, Safety and Bioactivity of Plant Foods; Department of Food Science and Technology; CEBAS-CSIC; Murcia Spain
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Fabra MJ, Castro-Mayorga JL, Randazzo W, Lagarón JM, López-Rubio A, Aznar R, Sánchez G. Efficacy of Cinnamaldehyde Against Enteric Viruses and Its Activity After Incorporation Into Biodegradable Multilayer Systems of Interest in Food Packaging. Food Environ Virol 2016; 8:125-132. [PMID: 27008344 DOI: 10.1007/s12560-016-9235-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Accepted: 03/14/2016] [Indexed: 06/05/2023]
Abstract
Cinnamaldehyde (CNMA), an organic compound that gives cinnamon its flavor and odor, was investigated for its virucidal activity on norovirus surrogates, murine norovirus (MNV) and feline calicivirus (FCV), and hepatitis A virus (HAV). Initially, different concentrations of CNMA (0.1, 0.5 and 1 %) were individually mixed with each virus at titers of ca. 6-7 log10 TCID50/ml and incubated 2 h at 4 and 37 °C. CNMA was effective in reducing the titers of norovirus surrogates in a dose-dependent manner after 2 h at 37 °C, while HAV titers were reduced by 1 log10 after treatment with 1 % of CNMA. When incubation time was extended, HAV titers were reduced by 3.4 and 2.7 log10 after overnight incubation at 37 °C with 1 and 0.5 % of CNMA, respectively. Moreover, this paper analyzed, for the first time, the antiviral activity of adding an active electrospun interlayer based on zein and CNMA to a polyhydroxybutyrate packaging material (PHB) in a multilayer form. Biodegradable multilayer systems prepared with 2.60 mg/cm(2) (~9.7 %) of CNMA completely inactivated FCV according to ISO 22196:2011, while MNV titers were reduced by 2.75 log10. When the developed multilayer films were evaluated after one month of preparation or at 25 °C, the antiviral activity was reduced as compared to freshly prepared multilayer films evaluated at 37 °C. The results show the excellent potential of this system for food contact applications as well as for active packaging technologies in order to maintain or extend food quality and safety.
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Affiliation(s)
- M J Fabra
- Food Preservation and Food Quality Department, Institute of Agrochemistry and Food Technology (IATA-CSIC), Avda, Agustin Escardino 7, 46980, Paterna, Valencia, Spain
| | - J L Castro-Mayorga
- Food Preservation and Food Quality Department, Institute of Agrochemistry and Food Technology (IATA-CSIC), Avda, Agustin Escardino 7, 46980, Paterna, Valencia, Spain
| | - W Randazzo
- Department of Agricultural and Forest Science, University of Palermo, Palermo, Italy
- Biotechnology Department, IATA-CSIC, Avda. Agustín Escardino 7, 46980, Paterna, Valencia, Spain
| | - J M Lagarón
- Food Preservation and Food Quality Department, Institute of Agrochemistry and Food Technology (IATA-CSIC), Avda, Agustin Escardino 7, 46980, Paterna, Valencia, Spain
| | - A López-Rubio
- Food Preservation and Food Quality Department, Institute of Agrochemistry and Food Technology (IATA-CSIC), Avda, Agustin Escardino 7, 46980, Paterna, Valencia, Spain
| | - R Aznar
- Biotechnology Department, IATA-CSIC, Avda. Agustín Escardino 7, 46980, Paterna, Valencia, Spain
- Microbiology and Ecology Department, University of Valencia, Avda. Dr. Moliner, 50, 46100, Burjassot, Valencia, Spain
| | - G Sánchez
- Biotechnology Department, IATA-CSIC, Avda. Agustín Escardino 7, 46980, Paterna, Valencia, Spain.
- Microbiology and Ecology Department, University of Valencia, Avda. Dr. Moliner, 50, 46100, Burjassot, Valencia, Spain.
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Murillo M, Sánchez G, Giovanini L. Iterated non-linear model predictive control based on tubes and contractive constraints. ISA Trans 2016; 62:120-128. [PMID: 26850752 DOI: 10.1016/j.isatra.2016.01.008] [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] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Revised: 12/18/2015] [Accepted: 01/14/2016] [Indexed: 06/05/2023]
Abstract
This paper presents a predictive control algorithm for non-linear systems based on successive linearizations of the non-linear dynamic around a given trajectory. A linear time varying model is obtained and the non-convex constrained optimization problem is transformed into a sequence of locally convex ones. The robustness of the proposed algorithm is addressed adding a convex contractive constraint. To account for linearization errors and to obtain more accurate results an inner iteration loop is added to the algorithm. A simple methodology to obtain an outer bounding-tube for state trajectories is also presented. The convergence of the iterative process and the stability of the closed-loop system are analyzed. The simulation results show the effectiveness of the proposed algorithm in controlling a quadcopter type unmanned aerial vehicle.
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Affiliation(s)
- M Murillo
- Research Institute for Signals, Systems and Computational Intelligence (sinc(i)), National Scientific and Technical Research Council (CONICET), Ciudad Universitaria UNL, 4° piso FICH, (S3000) Santa Fe, Argentina.
| | - G Sánchez
- Research Institute for Signals, Systems and Computational Intelligence (sinc(i)), National Scientific and Technical Research Council (CONICET), Ciudad Universitaria UNL, 4° piso FICH, (S3000) Santa Fe, Argentina.
| | - L Giovanini
- Research Institute for Signals, Systems and Computational Intelligence (sinc(i)), National Scientific and Technical Research Council (CONICET), Ciudad Universitaria UNL, 4° piso FICH, (S3000) Santa Fe, Argentina.
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Randazzo W, López-Gálvez F, Allende A, Aznar R, Sánchez G. Evaluation of viability PCR performance for assessing norovirus infectivity in fresh-cut vegetables and irrigation water. Int J Food Microbiol 2016; 229:1-6. [PMID: 27085970 DOI: 10.1016/j.ijfoodmicro.2016.04.010] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [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: 01/11/2016] [Revised: 03/07/2016] [Accepted: 04/04/2016] [Indexed: 10/22/2022]
Abstract
Norovirus (NoV) detection in food and water is mainly carried out by quantitative RT-PCR (RT-qPCR). The inability to differentiate between infectious and inactivated viruses and the resulting overestimation of viral targets is considered a major disadvantage of RT-qPCR. Initially, conventional photoactivatable dyes (i.e. propidium monoazide, PMA and ethidium monoazide, EMA) and newly developed ones (i.e. PMAxx and PEMAX) were evaluated for the discrimination between infectious and thermally inactivated NoV genogroup I (GI) and II (GII) suspensions. Results showed that PMAxx was the best photoactivatable dye to assess NoV infectivity. This procedure was further optimized in artificially inoculated lettuce. Pretreatment with 50μM PMAxx and 0.5% Triton X-100 (Triton) for 10min reduced the signal of thermally inactivated NoV by ca. 1.8 logs for both genogroups in lettuce concentrates. Additionally, this pretreatment reduced the signal of thermally inactivated NoV GI between 1.4 and 1.9 logs in spinach and romaine and lamb's lettuces and by >2 logs for NoV GII in romaine and lamb's lettuce samples. Moreover this pretreatment was satisfactorily applied to naturally-contaminated water samples with NoV GI and GII. Based on the obtained results this pretreatment has the potential to be integrated in routine diagnoses to improve the interpretation of positive NoV results obtained by RT-qPCR.
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Affiliation(s)
- W Randazzo
- Department of Agricultural and Forest Science, University of Palermo, Palermo, Italy; Biotechnology Department, (IATA-CSIC), Av. Agustín Escardino 7, Paterna, 46980 Valencia, Spain
| | - Francisco López-Gálvez
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS-CSIC, Campus Universitario de Espinardo, 25, 30100 Murcia, Spain
| | - A Allende
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS-CSIC, Campus Universitario de Espinardo, 25, 30100 Murcia, Spain
| | - R Aznar
- Biotechnology Department, (IATA-CSIC), Av. Agustín Escardino 7, Paterna, 46980 Valencia, Spain; Department of Microbiology and Ecology, University of Valencia, Av. Dr. Moliner, 50, Burjassot, 46100 Valencia, Spain
| | - G Sánchez
- Biotechnology Department, (IATA-CSIC), Av. Agustín Escardino 7, Paterna, 46980 Valencia, Spain; Department of Microbiology and Ecology, University of Valencia, Av. Dr. Moliner, 50, Burjassot, 46100 Valencia, Spain.
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Santana MD, López-Banet L, Sánchez G, Pérez J, Pérez E, García L, Serrano JL, Espinosa A. Non-covalent stacking interactions directing the structural and photophysical features of mono- and dinuclear cyclometalated palladium(ii) complexes. Dalton Trans 2016; 45:8601-13. [DOI: 10.1039/c5dt04913j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cyclometallated Pd(ii) complexes with different stackings show emission in solid state in relationship to them.
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Affiliation(s)
- M. D. Santana
- Departamento de Química Inorgánica and Regional Campus of International Excellence (Campus Mare Nostrum)
- Universidad de Murcia
- E-30071 Murcia
- Spain
| | - L. López-Banet
- Departamento de Química Inorgánica and Regional Campus of International Excellence (Campus Mare Nostrum)
- Universidad de Murcia
- E-30071 Murcia
- Spain
| | - G. Sánchez
- Departamento de Química Inorgánica and Regional Campus of International Excellence (Campus Mare Nostrum)
- Universidad de Murcia
- E-30071 Murcia
- Spain
| | - J. Pérez
- Departamento de Ingeniería Minera
- Geológica y Cartográfica. Área de Química Inorgánica. Universidad Politécnica de Cartagena
- Cartagena
- Spain
| | - E. Pérez
- Departamento de Ingeniería Minera
- Geológica y Cartográfica. Área de Química Inorgánica. Universidad Politécnica de Cartagena
- Cartagena
- Spain
| | - L. García
- Departamento de Ingeniería Minera
- Geológica y Cartográfica. Área de Química Inorgánica. Universidad Politécnica de Cartagena
- Cartagena
- Spain
| | - J. L. Serrano
- Departamento de Ingeniería Minera
- Geológica y Cartográfica. Área de Química Inorgánica. Universidad Politécnica de Cartagena
- Cartagena
- Spain
| | - A. Espinosa
- Departamento de Química Orgánica
- Universidad de Murcia
- E-30071 Murcia
- Spain
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Maine MA, Hadad HR, Sánchez G, Caffaratti S, Pedro MC. Kinetics of Cr(III) and Cr(VI) removal from water by two floating macrophytes. Int J Phytoremediation 2016; 18:261-268. [PMID: 26366503 DOI: 10.1080/15226514.2015.1085829] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The aim of this work was to compare Cr(III) and Cr(VI) removal kinetics from water by Pistia stratiotes and Salvinia herzogii. The accumulation in plant tissues and the effects of both Cr forms on plant growth were also evaluated. Plants were exposed to 2 and 6 mg L(-1) of Cr(III) or Cr(VI) during 30 days. At the end of the experiment, Cr(VI) removal percentages were significantly lower than those obtained for Cr(III) for both macrophytes. Cr(III) removal kinetics involved a fast and a slow component. The fast component was primarily responsible for Cr(III) removal while Cr(VI) removal kinetics involved only a slow process. Cr accumulated principally in the roots. In the Cr(VI) treatments a higher translocation from roots to aerial parts than in Cr(III) treatments was observed. Both macrophytes demonstrated a high ability to remove Cr(III) but not Cr(VI). Cr(III) inhibited the growth at the highest studied concentration of both macrophytes while Cr(VI) caused senescence. These results have important implications in the use of constructed wetlands for secondary industrial wastewater treatment. Common primary treatments of effluents containing Cr(VI) consists in its reduction to Cr(III). Cr(III) concentrations in these effluents are normally below the highest studied concentrations in this work.
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Affiliation(s)
- M A Maine
- a Química Analítica, Facultad de Ingeniería Química , Universidad Nacional del Litoral. Santiago del Estero , Santa Fe , Argentina
- b Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) , Argentina
| | - H R Hadad
- a Química Analítica, Facultad de Ingeniería Química , Universidad Nacional del Litoral. Santiago del Estero , Santa Fe , Argentina
- b Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) , Argentina
| | - G Sánchez
- a Química Analítica, Facultad de Ingeniería Química , Universidad Nacional del Litoral. Santiago del Estero , Santa Fe , Argentina
| | - S Caffaratti
- a Química Analítica, Facultad de Ingeniería Química , Universidad Nacional del Litoral. Santiago del Estero , Santa Fe , Argentina
| | - M C Pedro
- a Química Analítica, Facultad de Ingeniería Química , Universidad Nacional del Litoral. Santiago del Estero , Santa Fe , Argentina
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Santos-Moreno PI, Sánchez G, Gomez D, Castro C. Clinical outcomes in a cohort of Colombian patients with rheumatoid arthritis treated with Etanar, a new biologic type rhTNFR:Fc. Clin Exp Rheumatol 2015; 33:858-862. [PMID: 26343288] [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] [Received: 02/16/2015] [Accepted: 05/28/2015] [Indexed: 06/05/2023]
Abstract
OBJECTIVES To evaluate the clinical response at 12 month in a cohort of patients with rheumatoid arthritis treated with Etanar (rhTNFR:Fc), and to register the occurrence of adverse effects. METHODS This is a multicentre observational cohort study. It included patients over 18 years of age with an active rheumatoid arthritis diagnosis for which the treating physician had begun a treatment scheme of 25 mg of subcutaneous etanercept (Etanar ® 25 mg: biologic type rhTNFR:Fc), twice per week. Follow-up was done during 12 months, with assessments at weeks 12, 24, 36 and 48. Evaluated outcomes included tender joint count, swollen joint count, ACR20, ACR50, ACR70, HAQ and DAS28. RESULTS One-hundred and five (105) subjects were entered into the cohort. The median of tender and swollen joint count, ranged from 19 and 14, respectively at onset to 1 at the 12th month. By month 12, 90.5% of the subjects reached ACR20, 86% ACR50, and 65% ACR70. The median of DAS28 went from 4.7 to 2, and the median HAQ went from 1.3 to 0.2. The rate of adverse effects was 14 for every 100 persons per year. No serious adverse effects were reported. The most frequent were pruritus (5 cases), and rhinitis (3 cases). CONCLUSIONS After a year of following up a patient cohort treated with etanercept 25 mg twice per week, significant clinical results were observed, resulting in adequate disease control in a high percentage of patients with an adequate level of safety.
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Affiliation(s)
| | - G Sánchez
- SIIES Research and Education in Health, Bogotá, Colombia.
| | - D Gomez
- BIOMAB IPS: Rheumatoid Arthritis Center, Bogotá, Colombia
| | - C Castro
- SIIES Research and Education in Health, Bogotá, Colombia
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Zubillaga I, Redondo M, Gutiérrez R, Sánchez G. Medial sural artery perforator flap in tongue reconstruction. Int J Oral Maxillofac Surg 2015. [DOI: 10.1016/j.ijom.2015.08.907] [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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Oyarzún AP, Westermeier F, Pennanen C, López-Crisosto C, Parra V, Sotomayor-Flores C, Sánchez G, Pedrozo Z, Troncoso R, Lavandero S. FK866 compromises mitochondrial metabolism and adaptive stress responses in cultured cardiomyocytes. Biochem Pharmacol 2015; 98:92-101. [PMID: 26297909 DOI: 10.1016/j.bcp.2015.08.097] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 08/17/2015] [Indexed: 01/27/2023]
Abstract
AIM FK866 is an inhibitor of the NAD(+) synthesis rate-limiting enzyme nicotinamide phosphoribosyltransferase (NAMPT). Using FK866 to target NAD(+) synthesis has been proposed as a treatment for inflammatory diseases and cancer. However, use of FK866 may pose cardiovascular risks, as NAMPT expression is decreased in various cardiomyopathies, with low NAD(+) levels playing an important role in cardiovascular disease progression. In addition, low NAD(+) levels are associated with cardiovascular risk conditions such as aging, dyslipidemia, and type II diabetes mellitus. The aim of this work was to study the effects of FK866-induced NAD(+) depletion on mitochondrial metabolism and adaptive stress responses in cardiomyocytes. METHODS AND RESULTS FK866 was used to deplete NAD(+) levels in cultured rat cardiomyocytes. Cell viability, mitochondrial metabolism, and adaptive responses to insulin, norepinephrine, and H2O2 were assessed in cardiomyocytes. The drop in NAD(+) induced by FK866 decreased mitochondrial metabolism without changing cell viability. Insulin-stimulated Akt phosphorylation, glucose uptake, and H2O2-survival were compromised by FK866. Glycolytic gene transcription was increased, whereas cardiomyocyte hypertrophy induced by norepinephrine was prevented. Restoring NAD(+) levels via nicotinamide mononucleotide administration reestablished mitochondrial metabolism and adaptive stress responses. CONCLUSION This work shows that FK866 compromises mitochondrial metabolism and the adaptive response of cardiomyocytes to norepinephrine, H2O2, and insulin.
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Affiliation(s)
- Alejandra P Oyarzún
- Advanced Center for Chronic Disease (ACCDiS) and Center for Molecular Studies of the Cell (CEMC), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Francisco Westermeier
- Advanced Center for Chronic Disease (ACCDiS) and Center for Molecular Studies of the Cell (CEMC), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Christian Pennanen
- Advanced Center for Chronic Disease (ACCDiS) and Center for Molecular Studies of the Cell (CEMC), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Camila López-Crisosto
- Advanced Center for Chronic Disease (ACCDiS) and Center for Molecular Studies of the Cell (CEMC), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Valentina Parra
- Advanced Center for Chronic Disease (ACCDiS) and Center for Molecular Studies of the Cell (CEMC), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Cristian Sotomayor-Flores
- Advanced Center for Chronic Disease (ACCDiS) and Center for Molecular Studies of the Cell (CEMC), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Gina Sánchez
- Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Zully Pedrozo
- Advanced Center for Chronic Disease (ACCDiS) and Center for Molecular Studies of the Cell (CEMC), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile; Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Rodrigo Troncoso
- Advanced Center for Chronic Disease (ACCDiS) and Center for Molecular Studies of the Cell (CEMC), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile; Instituto de Nutrición y Tecnología de los Alimentos (INTA), Universidad de Chile, Santiago, Chile.
| | - Sergio Lavandero
- Advanced Center for Chronic Disease (ACCDiS) and Center for Molecular Studies of the Cell (CEMC), Facultad de Ciencias Químicas y Farmacéuticas & Facultad de Medicina, Universidad de Chile, Santiago, Chile; Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago, Chile; Department of Internal Medicine (Cardiology Division), University of Texas Southwestern Medical Center, Dallas, Texas, USA.
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Barrientos G, Llanos P, Hidalgo J, Bolaños P, Caputo C, Riquelme A, Sánchez G, Quest AFG, Hidalgo C. Cholesterol removal from adult skeletal muscle impairs excitation-contraction coupling and aging reduces caveolin-3 and alters the expression of other triadic proteins. Front Physiol 2015; 6:105. [PMID: 25914646 PMCID: PMC4392612 DOI: 10.3389/fphys.2015.00105] [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] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2015] [Accepted: 03/16/2015] [Indexed: 12/30/2022] Open
Abstract
Cholesterol and caveolin are integral membrane components that modulate the function/location of many cellular proteins. Skeletal muscle fibers, which have unusually high cholesterol levels in transverse tubules, express the caveolin-3 isoform but its association with transverse tubules remains contentious. Cholesterol removal impairs excitation–contraction (E–C) coupling in amphibian and mammalian fetal skeletal muscle fibers. Here, we show that treating single muscle fibers from adult mice with the cholesterol removing agent methyl-β-cyclodextrin decreased fiber cholesterol by 26%, altered the location pattern of caveolin-3 and of the voltage dependent calcium channel Cav1.1, and suppressed or reduced electrically evoked Ca2+ transients without affecting membrane integrity or causing sarcoplasmic reticulum (SR) calcium depletion. We found that transverse tubules from adult muscle and triad fractions that contain ~10% attached transverse tubules, but not SR membranes, contained caveolin-3 and Cav1.1; both proteins partitioned into detergent-resistant membrane fractions highly enriched in cholesterol. Aging entails significant deterioration of skeletal muscle function. We found that triad fractions from aged rats had similar cholesterol and RyR1 protein levels compared to triads from young rats, but had lower caveolin-3 and glyceraldehyde 3-phosphate dehydrogenase and increased Na+/K+-ATPase protein levels. Both triad fractions had comparable NADPH oxidase (NOX) activity and protein content of NOX2 subunits (p47phox and gp91phox), implying that NOX activity does not increase during aging. These findings show that partial cholesterol removal impairs E–C coupling and alters caveolin-3 and Cav1.1 location pattern, and that aging reduces caveolin-3 protein content and modifies the expression of other triadic proteins. We discuss the possible implications of these findings for skeletal muscle function in young and aged animals.
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Affiliation(s)
- Genaro Barrientos
- Physiology and Biophysics Program, Institute of Biomedical Sciences, School of Medicine, University of Chile Santiago, Chile
| | - Paola Llanos
- Institute for Research in Dental Sciences, Faculty of Dentistry, University of Chile Santiago, Chile
| | - Jorge Hidalgo
- Physiology and Biophysics Program, Institute of Biomedical Sciences, School of Medicine, University of Chile Santiago, Chile
| | - Pura Bolaños
- Centre of Biophysics and Biochemistry, Venezuelan Institute for Scientific Research Caracas, Venezuela
| | - Carlo Caputo
- Centre of Biophysics and Biochemistry, Venezuelan Institute for Scientific Research Caracas, Venezuela
| | - Alexander Riquelme
- Biomedical Neuroscience Institute, School of Medicine, University of Chile Santiago, Chile
| | - Gina Sánchez
- Biomedical Neuroscience Institute, School of Medicine, University of Chile Santiago, Chile ; Pathophysiology Program, Institute of Biomedical Sciences, School of Medicine, University of Chile Santiago, Chile ; Center for Molecular Studies of the Cell, School of Medicine, University of Chile Santiago, Chile
| | - Andrew F G Quest
- Center for Molecular Studies of the Cell, School of Medicine, University of Chile Santiago, Chile ; Laboratory of Cell Communication, Program in Cell and Molecular Biology, Institute of Biomedical Sciences, School of Medicine, University of Chile Santiago, Chile ; Advanced Center for Chronic Diseases and Network for Metabolic Stress Signaling, University of Chile Santiago, Chile
| | - Cecilia Hidalgo
- Physiology and Biophysics Program, Institute of Biomedical Sciences, School of Medicine, University of Chile Santiago, Chile ; Biomedical Neuroscience Institute, School of Medicine, University of Chile Santiago, Chile ; Center for Molecular Studies of the Cell, School of Medicine, University of Chile Santiago, Chile
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