Figure 7.
Effects of temperature on Ca2+ uptake and Ca2+ transients
A, cytosolic Ca2+ transients recorded at 22 and 30 °C in control rat cardiac myocytes. B, rates of 45Ca2+ uptake by endogenous SERCA2a (nmol Ca2+ per mg protein) in rat cardiac myocyte lysates. ▪, uptake at 22 °C; •, uptake at 30 °C.