KN-92 (hydrochloride) Chemical Properties

storage temp. 

Inert atmosphere,Store in freezer, under -20°C

solubility 

≥24.65 mg/mL in DMSO; insoluble in H2O; ≥11.73 mg/mL in EtOH with gentle warming and ultrasonic

form 

solid

color 

White to off-white

KN-92 (hydrochloride) Usage And Synthesis

Uses

KN-92 hydrochloride is an inactive derivative of KN-93, without CaM kinase inhibitory activity. KN-92 hydrochloride is intended to be used as a control compound in studies designed to elucidate the antagonist activities of KN-93[1][2].

Biological Activity

kn-92 is an inactive analog of kn-93. kn-93 is the cam kinase ii inhibitor. [1]hearts were treated with the cam kinase inhibitor kn-93 or the inactive analog kn-92 (0.5 μm) for 10 min before clofilium exposure. early afterdepolarizations (eads) were largely inhibited by kn-93 contrasted to kn-92. there were little differences in parameters favoring eads such as monophasic action potential duration or heart rate in kn-92- or kn-93- treated hearts. cam kinase activity in situ increased 37% in hearts with eads compared to hearts without eads. this increase in cam kinase activity was prevented by pretreatment with kn-93. [1]in vitro, kn-93 potently suppressed rabbit myocardial cam kinase activity (calculated ki ≤ 2.58 μm), but the inactive analog kn-92 did not (ki > 100 μm). the actions of kn-93 and kn-92 on ica and other repolarizing k+currents did not illustrate preferential ead suppression by kn-93. [1]

References

1. kn-93, an inhibitor of multifunctional ca++/calmodulin-dependent protein kinase, decreases early afterdepolarizations in rabbit heart. j pharmacol exp ther. 1998 dec;287(3):996-1006.

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