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Criado em : 10 Mar 2004
Alterado em : 02 Dec 2007

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Nota bibliográfica (sem autor) :

Pre-eclampsia with fetal growth restriction: placental and serum activin A and inhibin A levels. Gynecol Endocrinol. 2002 Oct;16(5):365-72.

Autores :

Florio P, Ciarmela P, Luisi S, Palumbo MA, Lambert-Messerlian G, Severi FM, Petraglia F.

Ano de publicação :

2002

URL(s) :

http://zerlina.ingentaselect.com/vl=104329/cl=73/n…

Résumé (français)  :

Abstract (English)  :

Activin A (beta A beta A) and inhibin A (alpha beta A) are dimeric glycoproteins secreted from early to term pregnancy in the maternal circulation. They circulate in higher amounts in women with gestational hypertension and/or pre-eclampsia, the most important gestational diseases also causing fetal growth restriction (FGR). Since no data are available in patients with pre-eclampsia and superimposed FGR, by using two-site immunoassays we evaluated serum activin A and inhibin A levels in serum samples collected from: healthy normotensive pregnant controls (n = 42); and women with pre-eclampsia with (n = 19) or without superimposed FGR (n = 21). In addition, by quantitative reverse transcriptase-polymerase chain reaction the changes of alpha- and beta A-subunit mRNA expression in placentas collected from healthy controls (n = 7) and pre-eclamptic pregnancies with (n = 6) or without (n = 6) superimposed FGR was also investigated. Activin A and inhibin A serum levels were significantly higher in pre-eclampsia, and the presence of FGR did not significantly modify these concentrations. Similarly, inhibin-subunit mRNA levels in placentas from pre-eclampsia were significantly higher than in controls, and FGR did not significantly affect this expression. The present data suggest that the increased placental expression of inhibin subunit mRNAs is part of the mechanism leading to increased serum activin A and inhibin A levels.

Sumário (português)  :

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Comentários :

Argument (français) :

Argument (English):

Argumento (português):

Argumento (español):

Palavras-chaves :

➡ fisiologia ; pre-eclampsia

Autor da esta ficha :

Cécile Loup — 10 Mar 2004