2 research outputs found
Ubiquitous transgenic overexpression of C-C Chemokine Ligand 2: A model to assess the combined effect of high energy intake and continuous low-grade inflammation
RodrĂguez-Gallego, Esther [et alt.]; 20 p.-11 fig.Excessive energy management leads to low-grade, chronic inflammation, which is a significant factor predicting noncommunicable diseases. In turn, inflammation, oxidation, and metabolism are associated with the course of these diseases; mitochondrial dysfunction seems to be at the crossroads of mutual relationships. The migration of immune cells during inflammation is governed by the interaction between chemokines and chemokine receptors. Chemokines, especially C-C-chemokine ligand 2 (CCL2), have a variety of additional functions that are involved in the maintenance of normal metabolism. It is our hypothesis that a ubiquitous and continuous secretion of CCL2 may represent an animal model of low-grade chronic inflammation that, in the presence of an energy surplus, could help to ascertain the afore-mentioned relationships and/or to search for specific therapeutic approaches. Here, we present preliminary data on a mouse model created by using targeted gene knock-in technology to integrate an additional copy of the CCl2 gene in the Gt(ROSA)26Sor locus of the mouse genome via homologous recombination in embryonic stem cells. Short-term dietary manipulations were assessed and the findings include metabolic disturbances, premature death, and the manipulation of macrophage plasticity and autophagy. These results raise a number of mechanistic questions for future study. © 2013 Esther RodrĂguez-Gallego et al.The Unitat de Recerca BiomĂ©dica is part of the Campus of International Excellence Southern Catalonia and is currently being supported by the program of consolidated groups from the Universitat Rovira i Virgili and Grants from the Fondo de InvestigaciĂłn Sanitaria (FIS PI08/1032, PI08/1381, and PI11/2187 PI11/00130). Esther RodrĂguez-Gallego is the recipient of a Fellowship from the Generalitat de Catalunya (2012FI B 00389), Marta Riera-Borrull is the recipient of a Fellowship from the Universitat Rovira i Virgili (2010PFRURV-B2-58), and Anabel GarcĂa-Heredia is the recipient of a Fellowship from Insituto de Salud Carlos III (FI12/00133).Peer reviewe
Ubiquitous transgenic overexpression of C-C Chemokine Ligand 2: A model to Assess the Combined Effect of High Energy Intake and Continous Low-Grade Inflammation
10.1155/2013/953841Excessive energy management leads to low-grade, chronic inflammation, which is a significant factor predicting noncommunicable diseases. In turn, inflammation, oxidation, and metabolism are associated with the course of these diseases; mitochondrial dysfunction seems to be at the crossroads of mutual relationships. The migration of immune cells during inflammation is governed by the interaction between chemokines and chemokine receptors. Chemokines, especially C-C-chemokine ligand 2 (CCL2), have a variety of additional functions that are involved in the maintenance of normal metabolism. It is our hypothesis that a ubiquitous and continuous secretion of CCL2 may represent an animal model of low-grade chronic inflammation that, in the presence of an energy surplus, could help to ascertain the afore-mentioned relationships and/or to search for specific therapeutic approaches. Here, we present preliminary data on a mouse model created by using targeted gene knock-in technology to integrate an additional copy of the CCl2 gene in the Gt(ROSA)26Sor locus of the mouse genome via homologous recombination in embryonic stem cells. Short-term dietary manipulations were assessed and the findings include metabolic disturbances, premature death, and the manipulation of macrophage plasticity and autophagy. These results raise a number of mechanistic questions for future study