Myocardial SERCA2 protects against cardiac damage and dysfunction caused by inhaled bromine. [Toxicology]
ASPET
MAY 21, 2024
Myocardial sarcoendoplasmic reticulum calcium ATPase 2 (SERCA2) activity is critical for heart function. We have demonstrated that inhaled halogen (chlorine or bromine) gases inactivate SERCA2, impair calcium homeostasis, increase proteolysis, and damage the myocardium ultimately leading to cardiac dysfunction. To further elucidate the mechanistic role of SERCA2 in halogen induced myocardial damage we utilized bromine exposed cardiac specific SERCA2 knockout (KO) mice (tamoxifen administered SER
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