Gustavo Monnerat

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RATIONALE Central questions such as cardiomyocyte subtype emergence during cardiogenesis or the availability of cardiomyocyte subtypes for cell replacement therapy require selective identification and purification of atrial and ventricular cardiomyocytes. However, current methodologies do not allow for a transgene-free selective isolation of atrial or(More)
Macrophage-dependent IL-1b production induces cardiac arrhythmias in diabetic mice Gustavo Monnerat1,*, Micaela L. Alarcón1,*, Luiz R. Vasconcellos2,3, Camila Hochman-Mendez1, Guilherme Brasil1, Rosana A. Bassani4, Oscar Casis5, Daniela Malan6, Leonardo H. Travassos2, Marisa Sepúlveda7, Juan Ignacio Burgos7, Martin Vila-Petroff7, Fabiano F. Dutra3, Marcelo(More)
In contrast to mature cardiomyocytes which have limited regenerative capacity, pluripotent stem cells represent a promising source for the generation of new cardiomyocytes. The tendency of pluripotent stem cells to form teratomas and the heterogeneity from various differentiation stages and cardiomyocyte cell sub-types, however, are major obstacles to(More)
Diabetes mellitus (DM) encompasses a multitude of secondary disorders, including heart disease. One of the most frequent and potentially life threatening disorders of DM-induced heart disease is ventricular tachycardia (VT). Here we show that toll-like receptor 2 (TLR2) and NLRP3 inflammasome activation in cardiac macrophages mediate the production of IL-1β(More)
BACKGROUND Cardiac arrhythmias are one of the main causes of death in ChCP and other dilated cardiomyopathies. Previous studies demonstrated that ventricular arrhythmias are associated with the presence of autoantibodies with beta-adrenergic activity, Ab-β. OBJECTIVES The aim of this study was to investigate whether Ab-β, present in chronic chagasic(More)
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