Altered profiles of serum neuroactive steroids in premenopausal women treated for alcohol addiction

被引:36
作者
Hill, M
Popov, P
Havlíková, H
Kancheva, L
Vrbíková, J
Kancheva, R
Pouzar, V
Cerny, I
Stárka, L
机构
[1] Inst Endocrinol, CZ-11694 Prague, Czech Republic
[2] Charles Univ Prague, Gen Fac Hosp, Dept Addict Treatment, CZ-12808 Prague, Czech Republic
[3] Inst Organ Chem & Biochem, CZ-16610 Prague, Czech Republic
关键词
alcohol detoxification; pregnanolone isomers; neuroactive steroids; pregnenolone sulfated GC-MS; premenopausal women;
D O I
10.1016/j.steroids.2005.02.013
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Long-term alcohol consumption results in menstrual irregularities due to the inhibition of progesterone secretion. Some progesterone metabolites, including three pregnanolone isomers (PI), abate, while pregnenolone sulfate (PregS) and dehydroepiandrosterone sulfate (DHEAS) increase, alcohol tolerance. The rationale of this study was to evaluate how the neuroactive steroids reflect the impaired progesterone formation in premenopausal women treated for alcohol addiction, and whether detoxitication therapy could restore female reproductive functions and psychosomatic stability by reinstatement of the steroid biosynthesis. Accordingly, serum allopregnanolone (3 alpha-hydroxy-5 alpha-pregnan-20-one (P3 alpha 5 alpha)), pregnanolone (P3 alpha 5 beta), isopregnanolone (P3 beta 5 beta) and epipregnanolone (P3 beta 5 beta), progesterone, PregS, pregnenolone, 17 alpha-hydroxypregnenolone (Preg17), 17 alpha-hydroxy-progesterone (Prog 17). DHEA, DHEAS, cortisol and estradiol were measured in 20 women during the therapy (start, 3 days, 14 days, I month, 4 months), and in 17 controls, using GC-MS or RIA and evaluated by age-adjusted ANCOVA with status and phase of the menstrual cycle (PMC) as factors, and status-PMC interaction. The patients exhibited depressed progesterone, Prog 17, PI, and estradiol, a decreased progesterone/pregnenolone ratio, a decreased ratio of neuroinhibiting P3 alpha 5 alpha. to neuroactivating PregS, and an elevated PregS and PregS/pregnenolone ratio. The treatment mostly restored the indices. The reduction of neuroinhibiting pregnanolone isomers in the patients is primarily associated with the impairment in ovarian steroid biosynthesis. Nevertheless, changes in enzyme activities connected with the formation of PI and the influence of altered physiological requirements on the balance between endogenous neuroinhibiting and neuroactivating steroids are also likely. The reinstatement of serum estradiol, progesterone, and PI during the therapy demonstrates its favorable effect on both reproductive functions and the psychosomatic stability of the patients. (c) 2005 Elsevier Inc. All rights reserved.
引用
收藏
页码:515 / 524
页数:10
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