TJP2 (tight junction protein 2 (zona occludens 2))

Review on TJP2 (tight junction protein 2 (zona occludens 2)), with data on DNA, on the protein encoded, and where the gene is implicated

Sugar consumption in schoolchildren from southern Spain and influence on the prevalence of obesity

Aim The main cause of childhood overweight/obesity is an imbalance between energy intake and energy expenditure. The objective was to determine whether the intake by Spanish schoolchildren of sugars from habitually consumed foods and drinks can be related to overweight/ obesity. Methods Subjects The study included 657 schoolchildren between 7–10 years from educational centers in Southern Spain. These children live under the influence of the Mediterranean diet. Design Participants completed an encoded questionnaire with three sections: a) data on sex, age, educational center, school year, and life/family habits, among others; b) semiquantitative food frequency questionnaire related to the previous 12 months; and c) information on anthropometrics and physical activities. Results Obesity was observed in 10.9% of the children. The daily activity questionnaire showed a mean energy expenditure of 8.73 (1.33) MJ/day. The study considered foods that supply carbohydrates in any form (total carbohydrates, starch, total sugars, added sugars, and free sugars). The likelihood of overweight/obesity was significantly greater with a higher intake/ day of total sugars, starch, added sugars, and free sugars. The likelihood of normal weight was significantly greater with lower energy expenditure in sedentary activities (OR = 3.03), higher energy expenditure in sports activities (OR = 1.72), and higher total activity/day measured as METs (OR = 8.31). Conclusions In this population, overweight/obesity was influenced by the physical activity of the children and by their intake of energy, total sugars, starch, added sugars, and free sugars. Further studies are warranted to verify this observation and explore the implications for public health policiesAndalusian Regional Government (Nutrition, Diet and Risks Assessment) AGR255European Union (EU)Carlos III Health Institute (ISCIII) - FEDER-ISCIII PI14/0104

El Instituto Universitario de Arquitectura y Ciencias de la Construcción como activador de la Investigación en Arquitectura: Plataforma de Ayuda a la Investigación

Exposición oral presentada en la sesión dedicada a Promoción, Entidades e Institutos, en las IV Jornadas Internacionales sobre Investigación en Arquitectura y UrbanismoMuchos investigadores en Arquitectura en España, ante el escenario actual de la investigación, piensan que los obstáculos para desarrollar esta actividad son para ellos insuperables. Desde hace tiempo el IUACC trabaja para contribuir a reducir esos impedimentos y facilitar que los investigadores alcancen más fácilmente sus metas. Sin renunciar a realizar las acciones necesarias para mejorar ese escenario, nuestra intención es que la actividad investigadora no se vea frenada por esperar a que la realidad sea diferente y podamos seguir avanzando y aproximarnos a la situación de otras ramas de mayor reconocimiento en investigación. Es por ello que, en septiembre de 2009, se creó la Plataforma de Ayuda a la Investigación, cuyo principal objetivo es ofrecer herramientas que faciliten a los investigadores adaptarse al contexto presente de la investigación. Después de más de un año de existencia de esta plataforma, los primeros resultados alcanzados son esperanzadores.Robador Gonzalez, MD.; Sendra Salas, JJ.; Martin-Mariscal, A. (2012). El Instituto Universitario de Arquitectura y Ciencias de la Construcción como activador de la Investigación en Arquitectura: Plataforma de Ayuda a la Investigación. http://hdl.handle.net/10251/1493

Cost-effectiveness analysis of anti–IL-5 therapies of severe eosinophilic asthma in Spain

Asma eosinofílica greu; Comparació indirecta del tractament; MepolizumabSevere eosinophilic asthma; Indirect treatment comparison; MepolizumabAsma eosinofílica severa; Comparación de tratamiento indirecto; MepolizumabAim To analyse the cost-effectiveness of MEP with standard of care (SoC) versus other anti-IL-5 therapies approved for the treatment of severe eosinophilic asthma (SEA) patients, within the Spanish National Health System (NHS) perspective. Methods A Markov model with a 4-week cycle length was used to compare MEP with BEN and RES as therapies added to SoC in the management of SEA, in terms of cost per QALY gained and incremental cost-effectiveness ratio (ICER). Costs (€2019) were obtained from public sources, while utilities and transition probabilities were retrieved from literature, e.g. network meta-analysis. Continuation criteria for biological treatment and reduction of oral corticosteroids (OCS) was set at 50% minimum reduction of exacerbation rate. Adverse events related to chronic OCS use included diabetes, osteoporosis, cataracts, acute myocardial infarct, and peptic ulcer. The analysis was performed over a 5-year time horizon from the National Healthcare System (NHCS) perspective, with a yearly discount rate of 3% applied to both costs and QALYs. Probabilistic sensitivity analysis and univariate deterministic sensitivity analysis were performed to address uncertainty around the cost-effectiveness results. Results On top of SoC, the model indicates that MEP is dominant (lower cost, higher benefit) compared to BEN and RES: For BEN and RES, respectively, treatment with MEP had a point estimate of 0.076 and 0.075 additional QALYs, and savings of €3,173.47 and €7,772.95 per patient. The findings were robust to variation as estimated using sensitivity analysis. Conclusions MEP is a cost-effective treatment in comparison with BEN and RES added to SoC for patients with SEA in the Spanish setting.This study was funded by GlaxoSmithKline [Study code: HO-19-19968]

Patrimonio natural y cultural de Tepotzotlán

324 páginas. Especialización en Diseño, Planificación y Conservación de Paisajes y Jardines.El presente documento muestra el trabajo realizado para la intervención paisajística en pueblo de Tepotzotlán. Al ser catalogado en el programa de pueblos mágicos dada su riqueza tangible e intangible; resulta relevante su estudio a fin de rescatar y/o enaltecer algunas de las virtudes que lo resguardan. La zona de intervención se enfocó esencialmente en el polígono patrimonial del centro histórico, los caminos constituidos a lo largo de Rio Chiquito y calles aledañas que conectan los tesoros patrimoniales de la zona. Dicho estudio fue abordado principalmente por grupos de trabajo interdisciplinario, conformados por alumnos de la especialidad en Paisajes y Jardines Históricos de la UAM Azcapotzalco. Se cotejaron 5 proyectos detonadores: Centro Histórico/Atrio de los Olivos, Par vial, Rio Chiquito, Camino Real de Lluvias y Acequia Real. Durante la primera etapa, se establecieron las limitaciones y potencialidades del sitio. Se recopiló información cualitativa y cuantitativa para la formulación y ejecución de un plan maestro que regirían los parámetros y objetivos en cada proyecto. El desarrollo conceptual y anteproyecto para cada zona de intervención, se reflejó en la segunda etapa de este proceso. Paralelamente, la elaboración de la propuesta de vegetación, las fichas de cada especie vegetal y la preparación de catálogos de paisaje, complementan el carácter de este trabajo. El proyecto realizado en Tepotzotlán: “Patrimonio Natural y Cultural De Tepotzotlán”, emerge, como el título del trabajo indica: desde la visión del rescate patrimonial, constituido por elementos materiales y naturales relevantes para la población local y todos sus visitantes. La última etapa comprende la puesta en marcha del proyecto ejecutivo, donde se plasmaron los detalles que dan cuerpo a cada elemento de las propuestas de diseño, la información necesaria para su construcción y la síntesis de toda la documentación consultada y elaborada, como sostén de diseño. En las siguientes páginas y capítulos, se explicará de manera extensa y particular: la metodología planteada y utilizada en el abordaje de cada proyecto. En general, se podrá observar la construcción de un trabajo paisajístico integral, llevado a cabo a lo largo de un año de esfuerzo y dedicación, vertidos en la presente tesis.Consejo Nacional de Ciencia y Tecnología (México)

Claudin-1, -3 and -4 proteins and mRNA expression in benign and malignant breast lesions: a research study

INTRODUCTION: We compared levels of protein and mRNA expression of three members of the claudin (CLDN) family in malignant breast tumours and benign lesions. METHODS: Altogether, 56 sections from 52 surgically resected breast specimens were analyzed for CLDN1, CLDN3 and CLDN4 expression by immunohistochemistry. mRNA was also analyzed using real-time PCR in 17 of the 52 cases. RESULTS: CLDNs were rarely observed exclusively at tight junction structures. CLDN1 was present in the membrane of normal duct cells and in some of the cell membranes from ductal carcinoma in situ, and was frequently observed in eight out of nine areas of apocrine metaplasia, whereas invasive tumours were negative for CLDN1 or it was present in a scattered distribution among such tumour cells (in 36/39 malignant tumours). CLDN3 was present in 49 of the 56 sections and CLDN4 was present in all 56 tissue sections. However, CLDN4 was highly positive in normal epithelial cells and was decreased or absent in 17 out of 21 ductal carcinoma grade 1, in special types of breast carcinoma (mucinous, papillary, tubular) and in areas of apocrine metaplasia. CLDN1 mRNA was downregulated by 12-fold in the sample (tumour) group as compared with the control group using GAPDH as the reference gene. CLDN3 and CLDN4 mRNA exhibited no difference in expression between invasive tumours and surrounding tissue. CONCLUSIONS: The significant loss of CLDN1 protein in breast cancer cells suggests that CLDN1 may play a role in invasion and metastasis. The loss of CLDN4 expression in areas of apocrine metaplasia and in the majority of grade 1 invasive carcinomas also suggests a particular role for this protein in mammary glandular cell differentiation and carcinogenesis

Decreased expression of V‐set and immunoglobulin domain containing 1 (VSIG1) is associated with poor prognosis in primary gastric cancer

Background To date, the significance of altered expression of V‐set and immunoglobulin domain containing 1 (VSIG1) in gastric cancer has not yet been elucidated. Methods We examined VSIG1 expression in 30 paired gastric cancer tissues and noncancerous gastric mucosa as well as in 5 gastric cancer cell lines by real‐time PCR and Western blotting. In addition, we analyzed VSIG1 expression in 232 gastric adenocarcinoma samples by immunohistochemistry. Results VSIG1 expression was significantly reduced at both the mRNA and protein levels in gastric cancer tissues. Immunohistochemistry revealed that VSIG1 expression was completely lost in 126 out of the 232 (54.3%) patient samples and remarkably reduced in another 106 (45.7%) patients. Negative VSIG1 expression was significantly correlated with tumor size ( P  = 0.007), T ( P  = 0.023), and M stage ( P  = 0.037). Importantly, loss of VSIG1 expression was significantly correlated with poor overall survival (OS, P  < 0.001) and disease‐free survival (DFS, P  = 0.006) in gastric cancer patients. Cox regression analyses showed that VSIG1 expression was an independent predictor of OS ( P  = 0.002) and DFS ( P  = 0.039). Conclusions Our findings suggest that silencing VSIG1 may play an important role in gastric carcinogenesis and that VSIG1 may serve as a prognostic marker as well as a potential therapeutic target for gastric cancer. J. Surg. Oncol. 2012; 106:286–293. © 2011 Wiley Periodicals, Inc.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/92382/1/22150_ftp.pd

A non-tight junction function of claudin-7—Interaction with integrin signaling in suppressing lung cancer cell proliferation and detachment

Background Claudins are a family of tight junction (TJ) membrane proteins involved in a broad spectrum of human diseases including cancer. Claudin-7 is a unique TJ membrane protein in that it has a strong basolateral membrane distribution in epithelial cells and in tissues. Therefore, this study aims to investigate the functional significance of this non-TJ localization of claudin-7 in human lung cancer cells. Methods Claudin-7 expression was suppressed or deleted by lentivirus shRNA or by targeted-gene deletion. Cell cycle analysis and antibody blocking methods were employed to assay cell proliferation and cell attachment, respectively. Electron microscopy and transepthelial electrical resistance measurement were performed to examine the TJ ultrastructure and barrier function. Co-immunolocalization and co-immunoprecipitation was used to study claudin-7 interaction with integrin β1. Tumor growth in vivo were analyzed using athymic nude mice. Results Claudin-7 co-localizes and forms a stable complex with integrin β1. Both suppressing claudin-7 expression by lentivirus shRNA in human lung cancer cells (KD cells) and deletion of claudin-7 in mouse lungs lead to the reduction in integrin β1 and phospho-FAK levels. Suppressing claudin-7 expression increases cell growth and cell cycle progression. More significantly, claudin-7 KD cells have severe defects in cell-matrix interactions and adhere poorly to culture plates with a remarkably reduced integrin β1 expression. When cultured on uncoated glass coverslips, claudin-7 KD cells grow on top of each other and form spheroids while the control cells adhere well and grow as a monolayer. Reintroducing claudin-7 reduces cell proliferation, upregulates integrin β1 expression and increases cell-matrix adhesion. Integrin β1 transfection partially rescues the cell attachment defect. When inoculated into nude mice, claudin-7 KD cells produced significantly larger tumors than control cells. Conclusion In this study, we identified a previously unrecognized function of claudin-7 in regulating cell proliferation and maintaining epithelial cell attachment through engaging integrin β1