Estrogen effects on pilocarpine-induced temporal lobe epilepsy in rats

被引：12

作者：

Pereira, Melquiades, Jr. ^{[1
]}

Soares, Jose M., Jr. ^{[1
]}

Valente, Sandra G. ^{[2
]}

Oliveira, Patricia B. ^{[1
]}

Cavalheiro, Esper A. ^{[2
]}

Amado, Dbora ^{[2
]}

Baracat, Edmund C. ^{[1
,3
]}

机构：

[1] Univ Fed Sao Paulo, Escola Paulista Med, Dept Ginecol, BR-04021051 Sao Paulo, Brazil

[2] Univ Fed Sao Paulo, Escola Paulista Med, Disciplina Neurol Expt, BR-04021051 Sao Paulo, Brazil

[3] Univ Sao Paulo, Dept Obstet & Ginecol, Sao Paulo, Brazil

来源：

MATURITAS | 2009年 / 62卷 / 02期

基金：

巴西圣保罗研究基金会;

关键词：

Experimental models; Epilepsy; Pilocarpine; Menopause; Estrogen; SPONTANEOUS RECURRENT SEIZURES; SPINE DENSITY; FEMALE RATS; MODEL; ESTRADIOL; WOMEN; THERAPY; ACID; HORMONES;

D O I：

10.1016/j.maturitas.2008.10.014

中图分类号：

R592 [老年病学]; C [社会科学总论];

学科分类号：

03 ; 0303 ; 100203 ;

摘要：

Objetive: To evaluate the effects of conjugated equine estrogens (CEE) on the pilocarpine-induced epilepsy in rats. Study design: 40 female rats were divided into: GPC (positive control) presented "status epilepticus" (SE) induced by pilocarpine; GOC(ovariectomized control) only castrated; GNC (negative control) received only saline solution; GPE received pilocarpine, presented SE, castrated and received 50 mu g/kg CEE treatment; GPV received pilocarpine, castrated and received propylene glycol (vehicle). The animals were monitored by a video system. At the end of observation, the brains removed for later histologic analysis using Neo-Timm and Nissl methods. Results: The GPE presented a reduction in number of seizures compared to GPV. The Neo-Timm analysis showed that GPV had greater sprouting of mossy fibers, with a denser band in the area of the dentate gyrus hilum compared to GPE. On Nissl staining, GPE showed evident neuronal loss in the CA3 area. GPV presented loss in CA1 and dentate gyrus. Conclusion: Estrogen may have a protecting effect on the central nervous system. (C) 2008 Elsevier Ireland Ltd. All rights reserved.

引用

页码：190 / 196

页数：7

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