1,763 research outputs found
(r)HDL in theranostics : How do we apply HDL's biology for precision medicine in atherosclerosis management?
Altres ajuts: Eusko Jaurlaritza IT-1264-19Altres ajuts: Euskal Herriko UnibertsitateaAltres ajuts: Fondo Europeo de Desarrollo Regional (FEDER)High-density lipoproteins (HDL) are key players in cholesterol metabolism homeostasis since they are responsible for transporting excess cholesterol from peripheral tissues to the liver. Imbalance in this process, due to either excessive accumulation or impaired clearance, results in net cholesterol accumulation and increases the risk of cardiovascular disease (CVD). Therefore, significant effort has been focused on the development of therapeutic tools capable of either directly or indirectly enhancing HDL-guided reverse cholesterol transport (RCT). More recently, in light of the emergence of precision nanomedicine, there has been renewed research interest in attempting to take advantage of the development of advanced recombinant HDL (rHDL) for both therapeutic and diagnostic purposes. In this review, we provide an update on the different approaches that have been developed using rHDL, focusing on the rHDL production methodology and rHDL applications in theranostics. We also compile a series of examples highlighting potential future perspectives in the field
(r)HDL in Theranostics: How Do We Apply HDL's Biology for Precision Medicine in Atherosclerosis Management?
High-density lipoproteins (HDL) are key players in cholesterol metabolism homeostasis since they are responsible for transporting excess cholesterol from peripheral tissues to the liver. Imbalance in this process, due to either excessive accumulation or impaired clearance, results in net cholesterol accumulation and increases the risk of cardiovascular disease (CVD). Therefore, significant effort has been focused on the development of therapeutic tools capable of either directly or indirectly enhancing HDL-guided reverse cholesterol transport (RCT). More recently, in light of the emergence of precision nanomedicine, there has been renewed research interest in attempting to take advantage of the development of advanced recombinant HDL (rHDL) for both therapeutic and diagnostic purposes. In this review, we provide an update on the different approaches that have been developed using rHDL, focusing on the rHDL production methodology and rHDL applications in theranostics. We also compile a series of examples highlighting potential future perspectives in the field.This review was funded by Ministerio de Ciencia, Innovacion y Universidades (PID2019-104367RB-100), as well as the Subprograma Ramon y Cajal (RYC-201722879) to N.R. and PI18/0164 to F.B.-V., FEDER "Una manera de hacer Europa". CIBER de Diabetes y Enfermedades Metabolicas Asociadas (CIBERDEM) is a project of Instituto de Salud Carlos III. Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau is accredited by the Generalitat de Catalunya as Centre de Recerca de Catalunya (CERCA). This work was also supported by the Basque Government (Grupos Consolidados IT-1264-19) to C.M. and A.B.-V. was supported by Programa de especializacion de Personal Investigador Doctor en la UPV/EHU (2019) 2019-2020
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Reformate fuel cell system durability
The goal of this research is to identify the factors limiting the durability of fuel cells and fuel processors. This includes identifying PEM fuel cell durability issues for operating on pure hydrogen, and those that arise from the fuel processing of liquid hydrocarbons (e.g., gasoline) as a function of fuel composition and impurity content. Benchmark comparisons with the durability of fuel cells operating on pure hydrogen are used to identify limiting factors unique to fuel processing. We describe the design, operation and operational results of the durability system, including the operating conditions for the system, fuel processor sub-section operation over 1000 hours, post-mortem characterization of the catalysts in the fuel processor, and single cell operation
Factibilidad del remplazo de agregados finos reciclados de demolición en las propiedades físicas de concreto estructural
En este trabajo se estudió el reemplazo de agregados reciclados y su efecto en la durabilidad, mediante el ensayo de migración de iones cloruro (NordTest 492) y el desarrollo de resistencia del concreto utilizando remplazos de30%,
50%, 75% y 100% de la fracción fina de los agregados. Los resultados mostraron que es factible el desarrollo de resistencias en concretos con reemplazos de 30% y 100%, del agregado normal por agregado fino reciclado; los porcentajes de reemplazo influyeron en la absorción capilar y en la migración de iones cloruro, modificando el comportamiento ante pruebas de durabilidad.
Abstract
In this work, the replacement of recycled aggregates and its effect on durability were studied through the chloride ion migration test (NordTest 492) and the development of concrete strength using replacements of 30%, 50%, 75% and
100% of the fine fraction of the aggregates. The results showed that it is feasible to develop resistances in concrete with 30% and 100% replacements, from normal
aggregate to recycled fine aggregate; the replacement percentages influenced the capillary absorption and the migration of chloride ions, modifying the behavior
before durability tests
Factibilidad del remplazo de agregados finos reciclados de demolición en las propiedades físicas de concreto estructural
En este trabajo se estudió el reemplazo de agregados reciclados y su efecto en la durabilidad, mediante el ensayo de migración de iones cloruro (NordTest 492) y el desarrollo de resistencia del concreto utilizando remplazos de30%,
50%, 75% y 100% de la fracción fina de los agregados. Los resultados mostraron que es factible el desarrollo de resistencias en concretos con reemplazos de 30% y 100%, del agregado normal por agregado fino reciclado; los porcentajes de reemplazo influyeron en la absorción capilar y en la migración de iones cloruro, modificando el comportamiento ante pruebas de durabilidad
Resistance to autosomal dominant Alzheimer's disease in an APOE3 Christchurch homozygote: a case report.
We identified a PSEN1 (presenilin 1) mutation carrier from the world's largest autosomal dominant Alzheimer's disease kindred, who did not develop mild cognitive impairment until her seventies, three decades after the expected age of clinical onset. The individual had two copies of the APOE3 Christchurch (R136S) mutation, unusually high brain amyloid levels and limited tau and neurodegenerative measurements. Our findings have implications for the role of APOE in the pathogenesis, treatment and prevention of Alzheimer's disease
The future of pediatric dentistry education and curricula : A Chilean perspective
Publisher Copyright: © 2016 The Author(s). Copyright: Copyright 2016 Elsevier B.V., All rights reserved.Background: A meeting was organised to consolidate a network of researchers and academics from Australia, Brazil, Chile, the UK and the USA, relating to Early Childhood Caries (ECC) and Dental Trauma (DT). As part of this meeting, a dedicated session was held on the future of paediatric dental education and curricula. Twenty-four paediatric dentistry (PD) academics, representing eight Chilean dental schools, and three international specialists (from Brazil and Latvia) participated in group discussions facilitated by five members of the ECC/DT International Collaborative Network. Data were collected from group discussions which followed themes developed as guides to identify key issues associated with paediatric dentistry education, training and research. Discussion: Participants discussed current PD dental curricula in Chile, experiences in educating new cohorts of oral health care providers, and the outcomes of existing efforts in education and research in PD. They also, identified challenges, opportunities and areas in need of further development. Summary: This paper provides an introspective analysis of the education and training of PD in Chile; describes the input provided by participants into pediatric dentistry education and curricula; and sets out some key priorities for action with suggested directions to best prepare the future dental workforce to maximise oral health outcomes for children. Immediate priorities for action in paediatric dentistry in Chile were proposed.publishersversionPeer reviewe
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