Which of the following antiepileptic agents acts on the GABA ergic system to decrease the uptake of GABA into neurons and glial cells?: (A) Vigabatrin, (B) Progabide, (C) Gabapentin, (D) Tiagabine
Answer is D. Tiagabine is an inhibitor of GAT-1(GABA-transpoer). Ref: KD Tripathi 8th ed.