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. 2006 Sep 28;577(Pt 2):591–599. doi: 10.1113/jphysiol.2006.116830

Figure 1. Effect of TBOA on forward and reversed uptake currents mediated by GLAST transporters in Müller cells.

Figure 1

A, inward current evoked by glutamate uptake at −65 mV (comprising both transport-associated current and some current mediated by Cl− flux through the anion conductance of the transporter) is reversibly inhibited by 300 μm TBOA, and TBOA itself induces no current change. B, outward current evoked by raising [K+]o around a cell clamped with an electrode containing glutamate, to evoke reversed uptake, is also blocked by TBOA (and to a lesser extent by 300 μm glutamate).