VU0546110 is a selective inhibitor of the sperm-specific potassium channel SLO3, exhibiting an IC50 of 1.287 μM for SLO3 in HEK293 cells and a more modest IC50 of 59.80 μM for SLO1. This compound effectively blocks both heterologous SLO3 currents and endogenous K+ currents in human sperm, leading to the cessation of sperm hyperpolarization, acrosome reaction induction, and hyper-activated motility. VU0546110 is of particular interest in reproductive biology research due to its potential contraceptive applications.
VU0546110 is a selective inhibitor of the sperm-specific potassium channel SLO3, exhibiting an IC50 of 1.287 μM for SLO3 in HEK293 cells and a more modest IC50 of 59.80 μM for SLO1. This compound effectively blocks both heterologous SLO3 currents and endogenous K+ currents in human sperm, leading to the cessation of sperm hyperpolarization, acrosome reaction induction, and hyper-activated motility. VU0546110 is of particular interest in reproductive biology research due to its potential contraceptive applications.
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