Effects of novel quercetin derivatives on sarco/endoplasmic reticulum Ca2+-ATPase activity.
OBJECTIVES: We examined effect of novel quercetin derivatives on sarcoplasmic reticulum (SR) Ca-ATPase activity isolated from skeletal muscles and their potential to prevent injury of SERCA induced by peroxynitrite that is elevated in multiple pathological processes.
METHODS: SR was isolated by ultracentrifugatio.....