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Journal of Neural Transmission
Schwartz, K., Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel
Nachman, R., Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel
Yossifoff, M., Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel
Sapir, R., Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel
Weizman, A., Geha Mental Health Center, Petah Tikva and Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
Rehavi, M., Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel, Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv 69978, Israel
We compared the effect of 5 days D-amphetamine (5 mg/kg/day i.p.) and cocaine (15 mg/kg/day i.p.) administration on the vesicular monoamine transporter 2 (VMAT2) density in rat brain. VMAT2 expression was assessed by [3H]dihydrotetrabenazine high affinity binding. Cocaine administration led to significant increases in VMAT2 density in both prefrontal cortex (+40%, p < 0.01) and striatum (+23%, p < 0.05), while amphetamine did not affect VMAT2 expression. The upregulation of VMAT2 may serve as compensatory mechanism aimed to enhance the vesicular monoamine storage capacity. © 2006 Springer-Verlag.
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Cocaine, but not amphetamine, short term treatment elevates the density of rat brain vesicular monoamine transporter 2
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Schwartz, K., Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel
Nachman, R., Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel
Yossifoff, M., Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel
Sapir, R., Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel
Weizman, A., Geha Mental Health Center, Petah Tikva and Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
Rehavi, M., Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel, Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv 69978, Israel
Cocaine, but not amphetamine, short term treatment elevates the density of rat brain vesicular monoamine transporter 2
We compared the effect of 5 days D-amphetamine (5 mg/kg/day i.p.) and cocaine (15 mg/kg/day i.p.) administration on the vesicular monoamine transporter 2 (VMAT2) density in rat brain. VMAT2 expression was assessed by [3H]dihydrotetrabenazine high affinity binding. Cocaine administration led to significant increases in VMAT2 density in both prefrontal cortex (+40%, p < 0.01) and striatum (+23%, p < 0.05), while amphetamine did not affect VMAT2 expression. The upregulation of VMAT2 may serve as compensatory mechanism aimed to enhance the vesicular monoamine storage capacity. © 2006 Springer-Verlag.
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