Tocris Bioscience
Caffeine
2793/100
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Caffeine is a RyR2 agonist leading to calcium release from sarcoplasmic reticulum to the cytosol.
Cell culture
N/A
Control or saxagliptin-treated primary guinea pig cardiomyocytes were loaded with FURA-2AM (1 µM) and Pluronic F 127 (1%). Ca2+ transient decay tau evoked by caffeine (30 µM) is shown in the Image.
Caffeine acts as a ryanodine receptor agonist and releases Ca2+ from sarcoplasmic reticulum into the cytosol.
Works as expected
Caffeine can be used to measure SR calcium content.