γ-Hydroxybutyrate Blood/Plasma Partitioning: Effect of Physiologic pH on Transport by Monocarboxylate Transporters

The drug of abuse γ-hydroxybutyrate (GHB) displays nonlinear renal clearance, which has been attributed to saturable renal reabsorption by monocarboxylate transporters (MCTs) present in the kidney. MCT1 is also present in red blood cells (RBCs); however, the significance of this transporter on the blood/plasma partitioning of GHB is unknown. The purpose of this research was to characterize the transport of GHB across the RBC membrane and assess GHB blood/plasma partitioning in vivo in the presence and absence of a competitive MCT inhibitor, l-lactate.

Bridget L. Morse, Melanie A. Felmlee, Marilyn E. Morris
January 1, 2012
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