Neuropharmacological characterization of local ibogaine effects on dopamine release

被引:12
作者
Reid, MS [1 ]
Hsu, K [1 ]
Souza, KH [1 ]
Broderick, PA [1 ]
Berger, SP [1 ]
机构
[1] CUNY,SCH MED,DEPT PHARMACOL,NEW YORK,NY 10031
关键词
nucleus accumbens; striatum; dopamine; cocaine; reserpine; harmaline; kappaopiate receptor; dopamine transporter;
D O I
10.1007/BF01291787
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Local perfusion with ibogaine (10(-6)M-10(-3)M) via microdialysis probes in the nucleus accumbens or striatum of rats produced a biphasic dose-response effect on extracellular dopamine levels. Lower doses (10(-6)-M-10(-4)M) produced a decrease while higher doses (5 x 10(-4)M-10(-3)M) produced an increase in dopamine levels. Dihydroxyphenylacetic acid (DOPAC) levels were not effected. Naloxone (10(-6)M) and norbinaltorphimine (10(-6)M-10(-5)M) did not affect dopamine levels, but when co-administered with ibogaine (10(-4)M) blocked the decrease in dopamine levels produced by ibogaine. Ibogaine (10(-3)M) stimulation of dopamine levels in the striatum was calcium independent and not blocked by tetrodotoxin (10(-5)M). Pretreatment with cocaine (15 mg/kg), reserpine (5 mg/kg) or alpha-methyl-para-tyrosine (250 mg/kg) given intraperitoneally significantly reduced ibogaine (10(-3)M) stimulation of striatal dopamine levels. In striatal synaptosomes, both ibogaine and harmaline (10(-7)-10(-4)M) produced dose-dependent inhibition of [H-3]-dopamine uptake. These findings suggest that ibogaine has both inhibitory and stimulatory effects on dopamine release at the level of the nerve terminal. It is suggested that the inhibitory effect is mediated by kappa opiate receptors while the stimulatory effect is mediated by interaction with the dopamine uptake transporter.
引用
收藏
页码:967 / 985
页数:19
相关论文
共 43 条
[1]   FLOW DEPENDENT CHANGES IN THE EFFECTIVE SURFACE-AREA OF MICRODIALYSIS PROBES [J].
ALEXANDER, GM ;
GROTHUSEN, JR ;
SCHWARTZMAN, RJ .
LIFE SCIENCES, 1988, 43 (07) :595-601
[2]  
BOGDANSKI DF, 1969, J PHARMACOL EXP THER, V165, P181
[3]   IBOGAINE MODULATES COCAINE RESPONSES WHICH ARE ALTERED DUE TO ENVIRONMENTAL HABITUATION - IN-VIVO MICROVOLTAMMETRIC AND BEHAVIORAL-STUDIES [J].
BRODERICK, PA ;
PHELAN, FT ;
ENG, F ;
WECHSLER, RT .
PHARMACOLOGY BIOCHEMISTRY AND BEHAVIOR, 1994, 49 (03) :711-728
[4]   STRIATAL NEUROCHEMISTRY OF DYNORPHIN-(1-13) - INVIVO ELECTROCHEMICAL SEMIDIFFERENTIAL ANALYSES [J].
BRODERICK, PA .
NEUROPEPTIDES, 1987, 10 (04) :369-386
[5]   INHIBITORY EFFECTS OF IBOGAINE ON COCAINE SELF-ADMINISTRATION IN RATS [J].
CAPPENDIJK, SLT ;
DZOLJIC, MR .
EUROPEAN JOURNAL OF PHARMACOLOGY, 1993, 241 (2-3) :261-265
[6]   AMPHETAMINE, COCAINE, PHENCYCLIDINE AND NOMIFENSINE INCREASE EXTRACELLULAR DOPAMINE CONCENTRATIONS PREFERENTIALLY IN THE NUCLEUS ACCUMBENS OF FREELY MOVING RATS [J].
CARBONI, E ;
IMPERATO, A ;
PEREZZANI, L ;
DICHIARA, G .
NEUROSCIENCE, 1989, 28 (03) :653-661
[7]   THE EFFECTS OF THE KAPPA-AGONIST U-50,488 ON COCAINE-INDUCED CONDITIONED AND UNCONDITIONED BEHAVIORS AND FOS IMMUNOREACTIVITY [J].
CRAWFORD, CA ;
MCDOUGALL, SA ;
BOLANOS, CA ;
HALL, S ;
BERGER, SP .
PSYCHOPHARMACOLOGY, 1995, 120 (04) :392-399
[8]   MECHANISMS OF ACTION OF IBOGAINE AND HARMALINE CONGENERS BASED ON RADIOLIGAND BINDING-STUDIES [J].
DEECHER, DC ;
TEITLER, M ;
SODERLUND, DM ;
BORNMANN, WG ;
KUEHNE, ME ;
GLICK, SD .
BRAIN RESEARCH, 1992, 571 (02) :242-247
[9]   DOPAMINE UPTAKE INHIBITORY CAPACITIES OF BETA-CARBOLINE AND 3,4-DIHYDRO-BETA-CARBOLINE ANALOGS OF N-METHYL-4-PHENYL-1,2,3,6-TETRAHYDROPYRIDINE (MPTP) OXIDATION-PRODUCTS [J].
DRUCKER, G ;
RAIKOFF, K ;
NEAFSEY, EJ ;
COLLINS, MA .
BRAIN RESEARCH, 1990, 509 (01) :125-133
[10]  
FISCHER JF, 1979, J PHARMACOL EXP THER, V208, P203