TABLE 1.

Compounds that induced inward currents in PMAT-expressing oocytes

Data represent means ± S.D. for two to three independent experiments. Perfusion buffer: NaCl buffer; substrate concentration: 2.5 mM.

Compounds	Current
	pH 6.0	pH 7.5
	nA
Histamine	−110 ± 10.3	−30.5 ± 9.19
MPTP	−62.7 ± 8.26	−5.67 ± 3.53
Nicotine	−75.7 ± 14.3	−6.30 ± 1.24
Metformin	−38.0 ± 2.92	−2.02 ± 0.50
Amantadine	−21.2 ± 4.73	−7.26 ± 0.74
TEA+	−11.7 ± 1.00	−0.627 ± 1.79