Development of Non-GAT1-Selective Inhibitors: Challenges and Achievements

Author(s)
Maria Damgaard, Anne Stæhr Haugaard, Stefanie Kickinger, Anas Al-Khawaja, Maria E. K. Lie, Gerhard Ecker, Rasmus Prætorius Clausen, Bente Frølund
Abstract

γ-Aminobutyric acid (GABA) neurotransmission is terminated by the GABA transporters (GATs) via uptake of GABA into neurons and surrounding glial cells. Four different transporters have been identified: GAT1, GAT2, GAT3, and the betaine/GABA transporter 1 (BGT1). The GAT1 subtype is the most explored transporter due to its high abundance in the brain and the existence of selective and potent GAT1 inhibitors. Consequently, less is known about the role and therapeutic potential of the non-GAT1 subtypes. Emerging pharmacological evidence suggests that some of these transporters pose interesting targets in several brain disorders. Pharmacological non-GAT1-selective tool compounds are important to further investigate the involvement of GATs in different pathological conditions. Extensive medicinal chemistry efforts have been put into the development of subtype-selective inhibitors, but truly selective and potent inhibitors of non-GAT1 subtypes are still limited. This review covers the advances within the medicinal chemistry area and the structural basis for obtaining non-GAT1-selective inhibitors.

Organisation(s)
External organisation(s)
University of Copenhagen
Publication date
08-2017
Austrian Fields of Science 2012
301207 Pharmaceutical chemistry
Portal url
https://ucris.univie.ac.at/portal/en/publications/development-of-nongat1selective-inhibitors-challenges-and-achievements(8e2f5ec8-36e7-4edd-84a5-c16435fc3f3e).html