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  • 1
    Electronic Resource
    Electronic Resource
    Competitive and noncompetitive NMDA antagonists block sensitization to methamphetamine
    Amsterdam : Elsevier
    Pharmacology, Biochemistry and Behavior 48 (1994), S. 587-591 
    Details
    ISSN: 0091-3057
    Keywords: Behavioral sensitization ; D-CPP-ene Glutamate ; MK-801 ; Methamphetamine ; N-methyl-D-aspartate ; Tolerance
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0091-3057(94)90318-2
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Scopolamine prevents augmentation of stereotypy induced by chronic methamphetamine treatment (1995)
    Springer
    Psychopharmacology 121 (1995), S. 158-163 
    Details
    ISSN: 1432-2072
    Keywords: Methamphetamine ; Behavioral sensitization ; Scopolamine ; Acetylcholine ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Cholinergic neurotransmission has been implicated in various forms of neural plasticity such as kindling and learning. We have previously shown that blockade of muscarinic cholinergic receptors prevents the development of locomotor sensitization to methamphetamine. The present study was conducted to examine whether scopolamine, a muscarinic cholinergic antagonist, would also block augmentation of stereotypy induced by chronic methamphetamine (MA) treatment. Rats treated with MA (2.5 mg/kg, SC) for 10 days indicated significantly enhanced stereotyped behavior when tested with MA (2.5 mg/kg) after a 7-to 8- day withdrawal. Pretreatment with scopolamine (3 mg/kg) prior to MA administration prevented the augmentation of stereotypy. Rats treated with scopolamine alone showed no difference in MA-induced stereotypy compared to those treated with saline. Scopolamine methylbromide, a derivative of scopolamine that does not easily cross the blood-brain barrier, had no effect on the augmentation of stereotypy. These results suggest that stimulation of central muscarinic cholinergic receptors plays a role in the development of sensitization to the stereotypy stimulating effect of methamphetamine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02245625
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Competitive and noncompetitive N-methyl-D-aspartate antagonists protect dopaminergic and serotonergic neurotoxicity produced by methamphetamine in various brain regions (1993)
    Springer
    Journal of neural transmission 92 (1993), S. 97-106 
    Details
    ISSN: 1435-1463
    Keywords: Methamphetamine ; neurotoxicity ; N-methyl-D-aspartate ; dopamine ; serotonin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Protective effects of NMDA antagonists on dopaminergic and serotonergic neurotoxicity produced by methamphetamine (MA) were examined. Four injections of MA (7.5 mg/kg, s.c., at 2 h intervals) caused significant decrements (40–60% of control values) in levels of dopamine (DA) and its metabolites in the rat striatum and levels of serotonin (5-HT) and its metabolite in the medial prefrontal cortex, nucleus accumbens, striatum, anterior hypothalamus, amygdala and hippocampus. These decreases in DA, 5-HT and their metabolites were prevented by pretreatment with MK-801, a noncompetitive N-methyl-D-aspartate (NMDA) antagonist, or D-CPP-ene (SDZ EAA 494), a competitive NMDA antagonist. The results suggest that NMDA receptors play a role for MA-induced serotonergic damage in various brain regions as well as dopaminergic damage in the striatum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01244869
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    Paper (German National Licenses)
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