2020
DOI: 10.1016/j.bbadis.2019.165623
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Overexpression of Na+-HCO3– cotransporter contributes to the exacerbation of cardiac remodeling in mice with myocardial infarction by increasing intracellular calcium overload

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Cited by 9 publications
(11 citation statements)
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“…However, there was no evidence of ventricular mass enlargement, nor by echocardiographic imaging measurements, nor by morphometric analysis of cardiac tissue. Similar results have been previously reported in models of NBCe1 overexpression in transgenic mice ( 18 ). This could be explained in part by the stoichiometry of NBCe1 which results in less Na + per when it is compared with the electroneutral NBC isoform (NBCn1).…”
Section: Discussionsupporting
confidence: 91%
“…However, there was no evidence of ventricular mass enlargement, nor by echocardiographic imaging measurements, nor by morphometric analysis of cardiac tissue. Similar results have been previously reported in models of NBCe1 overexpression in transgenic mice ( 18 ). This could be explained in part by the stoichiometry of NBCe1 which results in less Na + per when it is compared with the electroneutral NBC isoform (NBCn1).…”
Section: Discussionsupporting
confidence: 91%
“…Inhibition or genetic ablation of NHE1 or NBCe1 has cardioprotective effects, including protection against ischaemia-reperfusion injury in isolated hearts (Wang et al 2003;Fantinelli et al 2014) and reduced apoptosis in response to cardiac hypertrophy (Garciarena et al 2009) or coronary artery ligation (Vairamani et al 2018). Conversely, transgenic overexpression of either NHE1 (Nakamura et al 2008) or NBCe1 (Chen et al 2020) in mice causes cardiac remodelling and disease, which has been attributed primarily to effects on Na + and Ca 2+ loading. It has been noted that functional coupling of the AE3 Cl − /HCO 3 − exchanger with NHE1 (Alvarez et al 2007b) and/or NBCe1 (Prasad et al 2013a) could facilitate pH neutral Na + loading.…”
Section: Discussionmentioning
confidence: 99%
“…En los ratones KO para NBCe1, se ha encontrado que existe una disminución de la apoptosis en los cardiomiocitos luego de isquemia-reperfusión y que la pérdida de NBCe1 no empeora la función cardíaca en condiciones basales o en respuesta a estimulación β-adrenérgica 183 . Asimismo, se ha reportado que sobreexpresar al NBCe1 en ratones transgénicos sometidos a ligación de la arteria coronaria izquierda exacerba el remodelado patológico en esos corazones, efecto que atribuyen al aumento de Ca 2+ intracelular 204 .…”
Section: Discusión De Objetivo Específicounclassified
“…Los datos obtenidos a través del estudio de los ratones que sobreexpresan el NBCe1 en sus corazones indican que no desarrollan hipertrofia cardíaca, hecho avalado por métodos tanto morfométricos como por el análisis de imágenes de cortes histológicos. Resultados similares se han reportado previamente en modelos de sobreexpresión de NBCe1 en ratones transgénicos 204 . Este hecho podría explicarse sobre la base de una disminución compensatoria de la actividad o expresión del NBCn1 y el NHE1.…”
Section: Discusión De Objetivo Específicounclassified
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