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Pla D, Salleras M, Morata A, Garbayo I, Gerbolés M, Sabaté N, Divins NJ, Casanovas A, Llorca J, Tarancón A. Standalone ethanol micro-reformer integrated on silicon technology for onboard production of hydrogen-rich gas. LAB ON A CHIP 2016; 16:2900-2910. [PMID: 27378399 DOI: 10.1039/c6lc00583g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A novel design of a silicon-based micro-reformer for onboard hydrogen generation from ethanol is presented in this work. The micro-reactor is fully fabricated with mainstream MEMS technology and consists of an active low-thermal-mass structure suspended by an insulating membrane. The suspended structure includes an embedded resistive metal heater and an array of ca. 20k vertically aligned through-silicon micro-channels per square centimetre. Each micro-channel is 500 μm in length and 50 μm in diameter allowing a unique micro-reformer configuration that presents a total surface per projected area of 16 cm(2) cm(-2) and per volume of 320 cm(2) cm(-3). The walls of the micro-channels become the active surface of the micro-reformer when coated with a homogenous thin film of Rh-Pd/CeO2 catalyst. The steam reforming of ethanol under controlled temperature conditions (using the embedded heater) and using the micro-reformer as a standalone device are evaluated. Fuel conversion rates above 94% and hydrogen selectivity values of ca. 70% were obtained when using operation conditions suitable for application in micro-solid oxide fuel cells (micro-SOFCs), i.e. 750 °C and fuel flows of 0.02 mlL min(-1) (enough to feed a one watt power source).
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Peñasco Y, Gonzalez-Castro A, Rodriguez-Borregan JC, Muñoz C, Llorca J. [Evolution of mortality in severe chest trauma in the elderly patient]. REVISTA DE CALIDAD ASISTENCIAL : ORGANO DE LA SOCIEDAD ESPANOLA DE CALIDAD ASISTENCIAL 2016; 31:204-11. [PMID: 26774695 DOI: 10.1016/j.cali.2015.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 11/03/2015] [Accepted: 11/11/2015] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Persons older than 65 years represent about 30% of all cases requiring care for traumatic injury, and is the fifth leading cause of death. Thus, it is considered important to search for epidemiological parameters that can identify this population group. PATIENTS AND METHOD A retrospective, observational, and comparative study was conducted on patients aged 65 years and over admitted to the Intensive Care Unit of tertiary hospital with a primary diagnosis of severe chest trauma between January 1992 and January 2012. A logistic regression was performed to determine the probability of hospital death in relation to the year of hospitalisation. RESULTS The cohort included 235 patients. Univariate logistic regression analysis showed a gradual decrease in the probability of death over the years, with an OR of 0.95 [95% CI; 0.90 to 0.99] for each year of admission after 1992 (P=.029). The multivariate model showed an association of mortality with patient age (OR: 1.08 for year over 65), the score on the scale APACHE II (OR: 1.1 for each point obtained), and need for mechanical ventilation (OR: 5.36). CONCLUSIONS This study shows a decrease in mortality over the years, with an association that remained after adjustment for different confounding parameters.
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Fernández-Díaz C, Pina T, Corrales A, Lόpez-Mejías R, Armesto S, González-Lόpez M, Gόmez-Acebo I, Ubilla B, Remuzgo-Martínez S, González-Vela C, Blanco R, Hernández J, Llorca J, Loricera J, González-Gay M. AB0725 Anti-Tnf-α Therapy Improves Endothelial Function and Arterial Stiffness in Patients with Moderate-To-Severe Psoriasis: A 6-Month Prospective Study. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.5268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Tejera Segura B, de Vera González A, Lopez Mejías R, Ubilla B, Genre F, Olmos J, Hernández J, Llorca J, González-Gay M, Ferraz-Amaro I. THU0081 Role of The Soluble Form of Dipeptydil Peptidase-4(DPP4) in The Insulin Resistance of Patients with Rheumatoid Arthritis. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.5491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Lopez-Mejías R, Genre F, Remuzgo-Martínez S, Robustillo-Villarino M, Ubilla B, Llorca J, Mijares V, Corrales A, González-Juanatey C, Miranda-Filloy J, Pina T, Blanco R, Vicente E, Alegre-Sancho J, Magro C, Raya E, Tejera-Segura B, Ramírez Huaranga M, Gόmez-Vaquero C, Balsa A, Pascual-Salcedo D, Lόpez-Longo F, Carreira P, González-Άlvaro I, Rodríguez-Rodríguez L, Fernández-Gutiérrez B, Ferraz-Amaro I, Castañeda S, Martín J, González-Gay M. SAT0016 Role of PCR, GCKR, HNF1A, LEPR, ASCL1 and NLRP3 in Atherosclerosis in Patients with Rheumatoid Arthritis. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.2654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Genre F, Lόpez-Mejías R, Remuzgo-Martínez S, Robustillo-Villarino M, Castañeda S, González-Juanatey C, Llorca J, Corrales A, Ubilla B, Mijares V, Miranda-Filloy J, Pina T, Gόmez-Vaquero C, Rodríguez-Rodríguez L, Fernández-Gutiérrez B, Balsa A, Pascual-Salcedo D, Lόpez-Longo F, Carreira P, Blanco R, González-Άlvaro I, Alegre-Sancho J, Magro C, Raya E, Martín J, González-Gay M. SAT0008 Il-17a Gene Implication in spanish Patients with Rheumatoid Arthritis. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.2690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Rueda-Gotor J, Fernández Díaz C, Llorca J, Corrales A, Blanco R, Fuentevilla P, Portillo V, Expόsito R, Mata C, Pina T, González-Juanatey C, Gonzalez-Gay M. SAT0535 Carotid Ultrasound in The Cardiovascular Risk Stratification of Patients with Ankylosing Spondylitis: Results of A Population-Based Study. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.5779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Remuzgo-Martínez S, Genre F, Lόpez-Mejías R, Ubilla B, Mijares V, Pina T, Corrales A, Blanco R, Martín J, Llorca J, González-Gay M. FRI0050 Differential Expression of OPG/RANKL/TRAIL System in Rheumatoid Arthritis. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.2702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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García-Gόmez M, Martín-Martínez M, Castañeda S, Sánchez-Alonso F, Uriarte-Ecerrano M, González-Gay M, González-Juanatey C, Romera-Baures M, Santos-Rey J, Pinto-Tasende J, Quesada-Masachs E, Tornero-Molina J, Martinez-Gonzalez O, Cobo-Ibáñez T, Chamizo-Carmona E, Manrique-Arija S, Fábregas-Canales D, Díaz-Gonzalez F, Llorca J. SAT0173 Lipoprotein(A) Concentrations in Rheumatoid Arthritis on Biologic Therapy: Results from The Cardiovascular in Rheumatology [CARMA] Study Project. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.3977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Adrover E, Boldrini D, Divins N, Casanovas A, Tonetto G, López E, Llorca J. Study of Cu-Zn and Au/TiO 2 Catalysts on Anodized Aluminum Monoliths for Hydrogen Generation and Purification. INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING 2016. [DOI: 10.1515/ijcre-2015-0119] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
This work reports the preparation of Cu-Zn and Au/TiO2 catalysts on anodized aluminum monoliths (AAM). The structured catalysts were studied for the generation of H2 by methanol steam reforming (MSR) and its purification by preferential oxidation of CO (CO-PrOx). Initially, it was possible to generate a surface with whiskers and larger surface area by hydrothermal treatment of the AAM. Subsequently, the structured catalysts were synthesized by incipient wetness impregnation (IWI) and hydrothermal synthesis (HS). IWI synthesis allowed for the deposition of a larger amount of catalytic material than HS, with very good adhesion. The TiO2-IWI structured catalyst presented a homogeneous catalytic coating, with the presence of agglomerated particles. On the other hand, Cu-Zn-IWI showed good dispersion of the deposited particles with a homogeneous surface coating. EDX analysis corroborated the presence of Ti, Cu and Zn in all the catalytic surfaces. The incorporation of Au over TiO2-IWI structured catalysts was successfully performed by IWI using a colloidal solution of gold nanoparticles. MSR was studied over the developed metallic monoliths functionalized with Cu-Zn by the IWI method. The samples showed promising results in terms of activity, selectivity, and stability. Both diluted and concentrated methanol + water feeds were assayed. Complete methanol conversion was achieved for the diluted feed. Maximum methanol conversions of 55 % with 60 % H2 yield were measured when the concentrated feed was selected. Promising results were also achieved for the Au-based structured catalysts in the CO-PrOx in an H2-rich atmosphere. Although CO conversions of approximately 60 % were achieved, operating with higher catalyst loadings would be recommended to reach the high CO conversions required for PrOx catalysts.
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Guarnizo A, Angurell I, Muller G, Llorca J, Seco M, Rossell O, Rossell MD. Highly water-dispersible magnetite-supported Pd nanoparticles and single atoms as excellent catalysts for Suzuki and hydrogenation reactions. RSC Adv 2016. [DOI: 10.1039/c6ra14257e] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
The linker dpa enables the deposition of palladium on magnetite nanoparticles that show excellent catalytic behavior in water or water/ethanol solvents.
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Olmos JM, Hernández JL, García-Velasco P, Martínez J, Llorca J, González-Macías J. Serum 25-hydroxyvitamin D, parathyroid hormone, calcium intake, and bone mineral density in Spanish adults. Osteoporos Int 2016; 27:105-13. [PMID: 26134682 DOI: 10.1007/s00198-015-3219-6] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 06/18/2015] [Indexed: 11/28/2022]
Abstract
UNLABELLED Vitamin D insufficiency is very common among Spanish community-dwelling adult subjects. A threshold of serum 25(OH)D around 30 ng/ml would be necessary for the prevention of secondary hyperparathyroidism and hip bone loss in our population, regardless of the dairy calcium ingestion. INTRODUCTION This study aims to assess 25-hydroxyvitamin D-25(OH)D-status in Spanish adult subjects and to analyze its relationships with serum PTH levels, calcium intake, and bone mineral density (BMD). METHODS A total of 1811 individuals (1154 postmenopausal women and 657 men) aged 44-93 years participated in the study. Serum 25(OH)D, intact parathyroid hormone (PTH), aminoterminal propeptide of type I collagen (P1NP), and C-terminal telopeptide of type I collagen (β-CTX) levels were measured by electrochemiluminescence. BMD was determined by dual x-ray absorptiometry (DXA) at lumbar spine, femoral neck, and total hip. RESULTS Serum 25(OH)D levels were below 10, 20, and 30 ng/ml in 5, 40, and 83 % of participants, respectively. There was a significant seasonal difference in mean serum 25(OH)D, with higher levels in summer-autumn. In multivariate analysis, 25(OH)D levels were negatively correlated with age, serum PTH and creatinine, body mass index, smoking, alcohol intake, and a number of chronic diseases, but positively with dairy calcium intake. The magnitude of the difference in serum PTH according to 25(OH)D quartiles was not influenced by calcium intake. A threshold of serum 25(OH)D around 30 ng/ml was observed for serum PTH and hip BMD. CONCLUSIONS Vitamin D insufficiency is very common among Spanish community-dwelling adult subjects. A threshold of serum 25(OH)D around 30 ng/ml would be necessary for the prevention of secondary hyperparathyroidism and hip bone loss in our population, regardless of the dairy calcium ingestion. Programs to improve vitamin D status may be required in our country.
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Fernández-Rodríguez M, Arrebola JP, Artacho-Cordón F, Amaya E, Aragones N, Llorca J, Perez-Gomez B, Ardanaz E, Kogevinas M, Castano-Vinyals G, Pollan M, Olea N. Levels and predictors of persistent organic pollutants in an adult population from four Spanish regions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2015; 538:152-61. [PMID: 26298258 DOI: 10.1016/j.scitotenv.2015.07.162] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 07/31/2015] [Accepted: 07/31/2015] [Indexed: 05/26/2023]
Abstract
This research aimed to assess serum concentrations of a group of persistent organic pollutants (POPs) in a sample of adults recruited in four different regions from Spain and to assess socio-demographic, dietary, and lifestyle predictors of the exposure. The study population comprised 312 healthy adults selected from among controls recruited in the MCC-Spain multicase-control study. Study variables were collected using standardized questionnaires, and pollutants were analyzed by means of gas chromatography with electron capture detection. Multivariable analyses were performed to identify predictors of log-transformed pollutant concentrations, using combined backward and forward stepwise multiple linear regression models. Detection rates ranged from 89.1% (hexachlorobenzene, HCB) to 93.6% (Polychlorinated biphenyl-153 [PCB-153]); p,p'-dichlorodiphenyldichloroethylene (p,p'-DDE) showed the highest median concentrations (1.04ng/ml), while HCB showed the lowest (0.24ng/ml). In the multivariable models, age was positively associated with HCB, p,p'-DDE, and PCB-180. BMI was associated positively with p,p'-DDE but negatively with PCB-138. Total accumulated time residing in an urban area was positively associated with PCB-153 concentrations. The women showed higher HCB and lower p,p'-DDE concentrations versus the men. Notably, POP exposure in our study population was inversely associated with the breastfeeding received by participants and with the number of pregnancies of their mothers but was not related to the participants' history of breastfeeding their children or parity. Smoking was negatively associated with HCB and PCB-153 concentrations. Consumption of fatty foods, including blue fish, was in general positively associated with POP levels. Although POP environmental levels are declining worldwide, there is a need for the continuous monitoring of human exposure in the general population. The results of the present study confirm previous findings and point to novel predictors of long-term exposure to persistent organic pollutants.
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Dessein P, Corrales A, Lopez-Mejias R, Solomon A, Woodiwiss A, Llorca J, Norton G, Genre F, Blanco R, Pina T, Gonzalez-Juanatey C, Tsang L, Gonzalez-Gay M. FRI0093 The Framingham Score is a Useful Surrogate Marker of High Risk Subclinical Atherosclerosis in Patients with Rheumatoid Arthritis. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.2478] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Lόpez-Mejías R, Genre F, Sevilla Pérez B, Castañeda S, Ortego-Centeno N, Llorca J, Ubilla B, Remuzgo-Martínez S, Mijares V, Pina T, Calvo-Río V, Márquez A, Miranda-Filloy J, Navas Parejo A, Conde-Jaldόn M, Ortiz-Fernández L, Argila D, Aragües M, Rubio E, Leόn Luque M, Blanco-Madrigal J, Galíndez-Aguirregoikoa E, González Escribano F, Ocejo-Vinyals J, Martín J, Blanco R, González-Gay MΆ. THU0019 Association of HLA-B*41:02 with Henoch-Schönlein Purpura in Spanish Individuals Irrespective of the HLA-DRB1 Status. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.4915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Lόpez-Mejías R, Genre F, Miranda-Filloy J, Ubilla B, Mijares V, Carnero-Lόpez B, Gόmez-Acebo I, Dierssen-Sotos T, Remuzgo-Martínez S, Blanco R, Pina T, González-Juanatey C, Llorca J, González-Gay MΆ. THU0224 Anti-TNF-α Therapy Reduces Endothelial Cell Activation in Non-Diabetic Ankylosing Spondylitis Patients. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.4874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Dessein P, Lopez-Mejias R, Ubilla B, Genre F, Corrales A, Hernandez J, Ferraz-Amaro I, Tsang L, Pina T, Llorca J, Blanco R, Gonzalez-Juanatey C, Gonzalez-Gay M. THU0163 TNF-related Apoptosis-inducing Ligand and Cardiovascular Disease in Rheumatoid Arthritis. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.2489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Castañeda S, Martin Martinez M, Gonzalez Juanatey C, Llorca J, Garcia Yebenes M, Perez Vicente S, Sanchez Costa J, Diaz Gonzalez F, Gonzalez Gay M. AB0390 Cardiovascular Morbidity and Associated Risk Factors in Spanish Patients with Chronic Inflammatory Rheumatic Diseases Attending Rheumatology Clinics: Baseline Data of the Carma Project. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.3873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Pina Murcia T, Genre F, Lopez-Mejias R, Armesto S, Ubilla B, Mijares V, Dierssen-Sotos T, Corrales A, Gonzalez-Lopez M, Gonzalez-Vela M, Blanco R, Llorca J, Gonzalez-Gay M. AB0077 Leptin is Related with Inflammation and Metabolic Syndrome Features and Resistin with Disease Severity in Patients with Psoriasis Undergoing Treatment with Adalimumab. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.4100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Pina T, Genre F, Lopez-Mejias R, Armesto S, Ubilla B, Mijares V, Dierssen-Sotos T, Gonzalez-Lopez MA, Gonzalez-Vela MC, Blanco R, Hernández JL, Llorca J, Gonzalez-Gay MA. Relationship of leptin with adiposity and inflammation and resistin with disease severity in psoriatic patients undergoing anti-TNF-alpha therapy. J Eur Acad Dermatol Venereol 2015; 29:1995-2001. [PMID: 25823684 DOI: 10.1111/jdv.13131] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Accepted: 03/09/2015] [Indexed: 12/15/2022]
Abstract
BACKGROUND Altered secretion patterns of proinflammatory adipokines may influence the increased risk of cardiovascular mortality observed in patients with chronic inflammatory diseases. OBJECTIVE To determine whether two adipokines, leptin and resistin, correlate with metabolic syndrome features and disease severity in psoriatic patients who underwent anti-TNF-α therapy. METHODS Prospective study of consecutive non-diabetic patients with moderate-to-severe psoriasis who completed 6 months of therapy with anti-TNF-α- adalimumab. Patients with kidney disease, hypertension or body mass index ≥35 Kg/m(2) were excluded. Metabolic and clinical evaluation was performed at the onset of anti-TNF-α treatment and at month 6. RESULTS Twenty-nine patients were assessed. A correlation between adiposity and leptin was observed (waist circumference and leptin levels after 6 months of therapy: r = 0.43; P = 0.030). Leptin concentration also correlated with blood pressure before adalimumab onset (systolic: r = 0.48; P = 0.013 and diastolic blood pressure: r = 0.50; P = 0.010 ). A marginally significant negative correlation between insulin sensitivity (QUICKI) and leptin levels was also observed. CRP levels correlated with leptin prior to the onset of adalimumab (r = 0.45; P = 0.020) and with resistin both before (r = 0.45; P = 0.020) and after 6 months of therapy (r = 0.55; P = 0.004). A positive association between parameters of disease activity such as BSA (r = 0.60; P = 0.001) and PASI (r = 0.63; P = 0.001) prior to the onset of adalimumab therapy and resistin concentrations was also disclosed. No significant changes in leptin and resistin concentrations following the 6-month treatment with adalimumab were seen. CONCLUSION In patients with moderate-to-severe psoriasis leptin correlates with metabolic syndrome features and inflammation whereas resistin correlate with inflammation and disease severity.
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Pina T, Genre F, Lopez-Mejias R, Armesto S, Ubilla B, Mijares V, Dierssen-Sotos T, Corrales A, Gonzalez-Lopez MA, Gonzalez-Vela MC, Blanco R, Llorca J, Gonzalez-Gay MA. Anti-TNF-α therapy reduces retinol-binding protein 4 serum levels in non-diabetic patients with psoriasis: a 6-month prospective study. J Eur Acad Dermatol Venereol 2015; 30:92-5. [PMID: 25650695 DOI: 10.1111/jdv.13005] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Accepted: 01/07/2015] [Indexed: 11/30/2022]
Abstract
BACKGROUND Retinol-binding protein-4 (RBP4), an adipokine considered as an emerging cardiometabolic risk factor, is increased in patients with moderate-to-severe psoriasis. OBJECTIVE In this study, we aimed to establish the effect of anti-TNF-α therapy on RBP4 levels in patients with moderate-to-severe psoriasis. We also assessed if RBP4 levels correlate with metabolic syndrome features and disease severity in these patients. METHODS Prospective study on a series of consecutive non-diabetic patients with moderate-to-severe psoriasis who completed 6 months of therapy with adalimumab. Patients with kidney disease, hypertension or body mass index ≥ 35 kg/m(2) were excluded. Metabolic and clinical evaluation was performed at the onset of treatment (time 0) and at month 6. RESULTS Twenty-nine patients were assessed. Statistically significant reduction (P = 0.0001) of RBP4 levels was observed after 6 months of therapy (RBP4 at time 0: 55.7 ± 21.4 μg/mL, vs. 35.6 ± 29.9 μg/mL at month 6). No significant correlation between basal RBP4 levels and metabolic syndrome features or disease severity was found. Nevertheless, although RBP4 levels did not correlate with insulin resistance, a negative and significant correlation between RBP4 levels obtained after 6 months of adalimumab therapy and other metabolic syndrome features such as abdominal perimeter and body mass index were observed. At that time, a negative and significant correlation between RBP4 levels and disease activity scores and ultrasensitive CRP levels was also disclosed. CONCLUSION Our results support an influence of the anti-TNF-α blockade on RBP4 serum levels. This finding is of potential relevance due to increased risk of cardiovascular disease in patients with psoriasis.
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Guarnizo A, Angurell I, Rossell MD, Llorca J, Muller G, Seco M, Rossell O. 4-Mercaptophenyldiphenylphosphine as linker to immobilize Pd onto the surface of magnetite nanoparticles. Excellent catalytic efficiency of the system after partial linker removal. RSC Adv 2015. [DOI: 10.1039/c5ra18953e] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
The catalytic efficiency of Pd nanoparticles supported on Fe3O4 NPs strongly improves after partial removal of the Sdp linker.
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Divins NJ, Angurell I, Escudero C, Perez-Dieste V, Llorca J. Influence of the support on surface rearrangements of bimetallic nanoparticles in real catalysts. Science 2014; 346:620-3. [DOI: 10.1126/science.1258106] [Citation(s) in RCA: 164] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Pina T, Armesto S, Lopez-Mejias R, Genre F, Ubilla B, Gonzalez-Lopez M, Gonzalez-Vela M, Corrales A, Blanco R, Garcia-Unzueta M, Hernandez J, Llorca J, Gonzalez-Gay M. Anti-TNF-α therapy improves insulin sensitivity in non-diabetic patients with psoriasis: a 6-month prospective study. J Eur Acad Dermatol Venereol 2014; 29:1325-30. [DOI: 10.1111/jdv.12814] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Accepted: 09/29/2014] [Indexed: 01/08/2023]
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López-Mejías R, Genre F, García-Bermúdez M, Castañeda S, González-Juanatey C, Llorca J, Corrales A, Miranda-Filloy JA, Rueda-Gotor J, Gómez-Vaquero C, Rodríguez-Rodríguez L, Fernández-Gutiérrez B, Balsa A, Pascual-Salcedo D, López-Longo FJ, Carreira P, Blanco R, González-Álvaro I, Martín J, González-Gay MA. The 11q23.3 genomic region-rs964184-is associated with cardiovascular disease in patients with rheumatoid arthritis. ACTA ACUST UNITED AC 2014; 82:344-7. [PMID: 24131021 DOI: 10.1111/tan.12217] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Revised: 08/28/2013] [Accepted: 09/11/2013] [Indexed: 11/29/2022]
Abstract
Rheumatoid arthritis (RA) is an inflammatory disease associated with high risk of cardiovascular (CV) events. Recently, the rs964184 polymorphism has been associated with coronary artery disease in nonrheumatic Caucasian individuals. 2160 Spanish RA patients were genotyped for the rs964184 polymorphism. Sex, age at diagnosis and traditional CV risk factors (diabetes mellitus, dyslipidemia and smoking habit) were associated with increased risk of CV events. Interestingly, RA patients carrying the rs964184 GG genotype had significantly higher risk of CV events than those with CC genotype [hazard ratio (HR) = 2.91, 95% confidence interval (CI): 1.36-6.26, P = 0.006] after adjusting the results for sex, age at diagnosis and traditional CV risk factors. Our results indicate that rs964184 polymorphism is associated with CV disease in RA.
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