Title : Inositol 1,4,5-trisphosphate receptor - reactive oxygen signaling domain regulates excitation-contraction coupling in atrial myocytes.

Pub. Date : 2022 Feb

PMID : 34755642






4 Functional Relationships(s)
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1 Concomitantly, AngII induced an increase in ROS production that was sensitive to the NOX2 specific inhibitor gp91ds-tat (1 mumol/L). Reactive Oxygen Species cytochrome b-245, beta polypeptide Mus musculus
2 AngII induced IICR in Nox2-/- AMs could be restored by addition of exogenous ROS (tert-butyl hydroperoxide, tBHP: 5 mumol/L). Reactive Oxygen Species cytochrome b-245, beta polypeptide Mus musculus
3 Our data demonstrate that in AMs the InsP3R is under dual control of agonist induced InsP3 and ROS formation and suggest that InsP3 and NOX2-derived ROS co-regulate atrial IICR and ECC in a defined InsP3R/NOX2 signaling domain. Reactive Oxygen Species cytochrome b-245, beta polypeptide Mus musculus
4 Our data demonstrate that in AMs the InsP3R is under dual control of agonist induced InsP3 and ROS formation and suggest that InsP3 and NOX2-derived ROS co-regulate atrial IICR and ECC in a defined InsP3R/NOX2 signaling domain. Reactive Oxygen Species cytochrome b-245, beta polypeptide Mus musculus