Alcohol stimulates the release of dopamine and serotonin in the nucleus accumbens.

Alcohol stimulates the release of dopamine and serotonin in the nucleus accumbens.
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酒精刺激伏隔核中多巴胺和血清素的释放。

DOI:
10.1016/0741-8329(92)90004-t
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发表时间:
1992
期刊:
Alcohol (Fayetteville, N.Y.)
影响因子:
--
通讯作者:
Li,TK
Li,TK
中科院分区:
--
文献类型:
--
作者:
Yoshimoto,K;McBride,WJ;Lumeng,L;Li,TK

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采用微透析法结合小口径高效液相电化学检测法,研究了急性ip(0.5、1.0或2.0g/kg)和局部灌流(25、50或100 mM)乙醇对大鼠伏隔核(ACC)细胞外多巴胺(DA)、5-羟色胺(5-羟色胺)及其代谢产物浓度的影响。腹腔注射1.0和2.0g/kg乙醇可显著增加ACC细胞外多巴胺和5-羟色胺的含量(p<0.05),而0.5g/kg乙醇对此无明显影响。总体而言,ip乙醇对3种单胺代谢产物的胞外水平没有影响,但在2.0g/kg剂量后,高香草酸的水平略有增加。通过微透析探头局部灌流50和100 mM乙醇(而不是25 mM),可显著增加ACC细胞外DA的水平(为对照的170-200%)。只有100 mM浓度的乙醇改变了细胞外5-羟色胺、3,4-二羟基苯乙酸和5-羟基吲哚乙酸的水平(增加2倍)。在灌流液中加入100μ的5-HT3拮抗剂MICS205-930,可显著降低乙醇刺激的DA和5-HT的释放。总体而言,这些数据表明,乙醇可以刺激ACC中DA和5-HT的释放,乙醇在ACC中的作用可能部分是通过5-HT3受体介导的。
The effects of acute IP administration (0.5, 1.0 or 2.0 g/kg) and local perfusion (25, 50 or 100 mM) of ethanol on the extracellular concentrations of dopamine (DA), serotonin (5-HT) and their metabolites in the nucleus accumbens (ACC) of the rat were studied with in vivo microdialysis coupled with a small-bore HPLC electrochemical detection procedure. The IP administration of 1.0 and 2.0 g/kg ethanol significantly (p<0.05) increased the extracellular levels of DA and 5-HT in the ACC whereas the 0.5 g/kg dose caused no change. In general, the extracellular levels of the 3 monoamine metabolites were not altered by IP ethanol except for a slight increase in the levels of homovanillic acid following the 2.0 g/kg dose. Local perfusion of 50 and 100 mM ethanol (but not 25 mM) through the microdialysis probe markedly increased (170–200% of control) the extracellular levels of DA in the ACC. Only the 100 mM concentration of ethanol altered the extracellular levels of 5-HT (2-fold increase), 3,4-dihydroxyphenylacetic acid and 5-hydroxyindoleacetic acid. Addition of 100 μM ICS 205–930 (a 5-HT3antagonist) to the perfusate markedly reduced the 100 mM ethanol-stimulated release of DA and 5-HT. Overall, the data suggest that ethanol can stimulate the release of both DA and 5-HT in the ACC and that the action of ethanol within the ACC may be mediated in part by 5-HT3receptors.
5-HT3 受体的拮抗作用减弱了乙醇对细胞外多巴胺的作用。
DOI: 10.1016/0014-2999(90)90015-x
发表时间: 1990
影响因子: 5
作者:
Krystyna M. Wozniak;Agu Pert;Markku Linnoila
通讯作者: Markku Linnoila
DOI: 10.1016/0741-8329(87)90069-3
发表时间: 1987-09-01
期刊: ALCOHOL
影响因子: 2.3
作者:
CHU, NS;KEENAN, L
通讯作者: KEENAN, L
DOI: 10.1016/0741-8329(88)90068-7
发表时间: 1988
期刊: Alcohol (Fayetteville, N.Y.)
影响因子: --
作者:
Khatib,SA;Murphy,JM;McBride,WJ
通讯作者: McBride,WJ
乙醇对体内大鼠纹状体释放 5-羟色胺的影响。
DOI: 10.1016/0741-8329(85)90054-0
发表时间: 1985
期刊: Alcohol
影响因子: 2.3
作者:
R. Holman;B. Snape
通讯作者: B. Snape
DOI: 10.1016/0024-3205(80)90108-3
发表时间: 1980-01-01
期刊: LIFE SCIENCES
影响因子: 6.1
作者:
FADDA, F;ARGIOLAS, A;GESSA, GL
通讯作者: GESSA, GL