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. Author manuscript; available in PMC: 2008 Dec 11.
Published in final edited form as: J Bioenerg Biomembr. 2005 Aug;37(4):237–247. doi: 10.1007/s10863-005-6634-0

Fig. 3.

Fig. 3

OAG-induced Sr2+ efflux from rat brain mitochondria and inhibition by La3+. (A): Mitochondria are loaded with three pulses of SrCl2 (400 nmol each, trace a). In trace b, subsequent to Sr2+ loading, OAG is added (100 μM) at 1000 s causing an immediate increase in Fura 6F ratio fluorescence. In both traces, alamethicin (40 μg/ml) is added at 1800 s. (B): Mitochondria are treated with 400 nmol SrCl2 at 350 and 750 s and 1 mM LaCl3 in between (500 s). OAG is added (100 μM) at 1000 s causing no further increase in Fura 6F ratio fluorescence.