ML-193 has no off-target effects at LTCCs, IP3Rs, RyRs, or TPCs.
A, representative Ca2+ responses of ventricular myocytes to KCl
(50 mm, a depolarizing agent), angiotensin II (Ang II, 100 nm,
activates IP3 production), and isoproterenol (Iso, 100 nm,
activates formation of second messengers cyclic ADP-ribose and NAADP) in the absence and presence of
ML-193 (30 μm). B, comparison of the
[Ca2+]i increases in response to the
mentioned compounds in the absence and presence of ML-193.