Exercise and tachycardia increase NADPH oxidase and ryanodine receptor-2 activity: possible role in cardioprotection.

Sánchez, G., Escobar, M., Pedrozo, Z., Macho, P., Domenech, R., Härtel, S., … & Donoso, P. (2008). Exercise and tachycardia increase NADPH oxidase and ryanodine receptor-2 activity: possible role in cardioprotection. Cardiovascular research, 77(2), 380-386.