BIOCHEMICAL EFFECTS OF TREATMENT WITH ORAL-CONTRACEPTIVE STEROIDS ON DOPAMINERGIC SYSTEM OF RAT

被引:28
作者
ALGERI, S [1 ]
PONZIO, F [1 ]
DOLFINI, E [1 ]
JORI, A [1 ]
机构
[1] IST RICERCHE FARMACOL MARIO NEGRI, I-20157 MILANO, ITALY
关键词
D O I
10.1159/000122643
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
The effects of acute and chronic administration of a combination of lynestrenol-mestranol, a widely employed contraceptive medication, on the dopaminergic system of the rat forebrain and striatum were investigated to better understand the biochemical basis of the neurological side-effects of steroid contraceptive drugs (SCD). Acute and chronic treatment increased the disappearance rate of striatal dopamine (DA) after synthesis blockade with .alpha.-methyl-p-tyrosine (.alpha.-MpT). Moreover, the conversion of 3H-tyrosine (3H-T) into 3H-DA was increased in the forebrain and striatum after chronic administration of this steroid combination. In the same animals, utilization of tyrosine (T) is increased.
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页码:343 / 351
页数:9
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