Summary
6-Hydroxydopamine increased behavioral response to L-DOPA in proportion to the decrease of dopamine (DA) and DA uptake in rat striatum. The increased response to apomorphine, however, only occurred after >80% DA loss. Thus, 6-hydroxydopamine may induce postsynaptic changes only following large lesions.
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Supported in part by USPHS grants No. MH-00058 and MH-20620. We thank Kathleen Hays, Suzanne Wuerthele and Dennis McKeag for technical assistance.
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Zigmond, M.J., Stricker, E.M. Supersensitivity after intraventricular 6-hydroxydopamine: Relation to dopamine depletion. Experientia 36, 436–438 (1980). https://doi.org/10.1007/BF01975133
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DOI: https://doi.org/10.1007/BF01975133