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Does adjudin disrupt chloride ion (Cl⁻) ion transport function in human sperm and impede sperm capacitation and fertilizing ability in vitro?

In this study the results indicate that adjudin is a potent blocker of Cl⁻ channels: disrupting Cl⁻ ion transport function results in a decline in sperm capacitation and fertilizing ability in humans in vitro.

Although our previous studies have demonstrated that adjudin exerts its effect by disrupting sertoli-germ cell adhesion junctions, most notably apical ectoplasmic specialization by targeting testin and actin filament bundles that disrupts the actin-based cytoskeleton in sertoli cells, it remains unclear whether adjudin impedes Cl⁻ ion transport function in the human sperm.

Semen samples were …