Please use this identifier to cite or link to this item: https://repositorio.uca.edu.ar/handle/123456789/8732
Título : Reduced necrosis and content of apoptotic M1 macrophages in advanced atherosclerotic plaques of mice with macrophage-specific loss of Trpc3
Autor : Solanki, Sumeet 
Dube, Prabhatchandra R. 
Birnbaumer, Lutz 
Vazquez, Guillermo 
Palabras clave : NECROSISAPOPTOSISARTERIOESCLEROSISMARCADORES BIOLOGICOS
Fecha de publicación : 2017
Editorial : Nature Research
Cita : Solanki S, Dube PR, Birnbaumer L, Vazquez G. Reduced Necrosis and Content of Apoptotic M1 Macrophages in Advanced Atherosclerotic Plaques of Mice With Macrophage-Specific Loss of Trpc3 [en línea]. Scientific Reports. 2017;7:42526. doi:10.1038/srep42526 Disponible en: https://repositorio.uca.edu.ar/handle/123456789/8732
Resumen : Abstract: In previous work we reported that ApoeKO mice transplanted with bone marrow cells deficient in the Transient Receptor Potential Canonical 3 (TRPC3) channel have reduced necrosis and number of apoptotic macrophages in advanced atherosclerotic plaques. Also, in vitro studies with polarized macrophages derived from mice with macrophage-specific loss of TRPC3 showed that M1, but not M2 macrophages, deficient in Trpc3 are less susceptible to ER stress-induced apoptosis than Trpc3 expressing cells. The questions remained (a) whether the plaque phenotype in transplanted mice resulted from a genuine effect of Trpc3 on macrophages, and (b) whether the reduced necrosis and macrophage apoptosis in plaques of these mice was a manifestation of the selective effect of TRPC3 on apoptosis of M1 macrophages previously observed in vitro. Here, we addressed these questions using Ldlr knockout (Ldlr-/-) mice with macrophage-specific loss of Trpc3 (MacTrpc3-/-/Ldlr-/- → Ldlr-/-). Compared to controls, we observed decreased plaque necrosis and number of apoptotic macrophages in MacTrpc3-/-/Ldlr-/- → Ldlr-/- mice. Immunohistochemical analysis revealed a reduction in apoptotic M1, but not apoptotic M2 macrophages. These findings confirm an effect of TRPC3 on plaque necrosis and support the notion that this is likely a reflection of the reduced susceptibility of Trpc3-deficient M1 macrophages to apoptosis.
URI : https://repositorio.uca.edu.ar/handle/123456789/8732
ISSN : 2045-2322
Disciplina: MUSICA
DOI: 10.1038/srep42526
Derechos: Acceso Abierto
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