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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
13/06/2017 |
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Data da última atualização: |
13/06/2017 |
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Autoria: |
LIGGINS, G. C.; SCHELLENBERG, J. -C.; AMATO, F.; GODFREY, B.; SEAMARK, R. F. |
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Título: |
On the origin of dehydroepiandrosterone sulphate in the blood of fetal sheep. |
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Ano de publicação: |
1985 |
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Fonte/Imprenta: |
Journal of Endocrinology, v. 104, n. 2, p. 279-284, Feb. 1985. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Total sulphoconjugated and unconjugated dehydroepiandrosterone (DHA) and total oestrone were measured in plasma of intact sheep fetuses, fetuses hypophysectomized at 104-112 days and fetuses bilaterally adrenalectomized at 98-101 days. At 120-127 days, the mean concentrations of total DHA and oestrone in intact fetuses (n = 13) were 29.7 +/- 4.2 (S.E.M.) nmol/l and 14.3 +/- 2.8 nmol/l respectively. At term, the values for total DHA and oestrone in hypophysectomized fetuses (n = 13) of 18.0 +/- 1.9 nmol/l and 9.1 +/- 2.0 nmol/l were significantly (P less than 0.05) lower than the intact group whereas in the adrenalectomized fetuses (n = 8) total DHA (80.8 +/- 13.0 nmol/l) was higher (P less than 0.05) and total oestrone values were similar to the intact animals. Intrafetal infusion of cortisol at term (1 mg/h for 84 h) raised levels of total oestrone in intact (n = 6; 12.3 +/- 2.9 vs 31.6 +/- 8.5 nmol/l) and adrenalectomized (n = 4; 14.2 +/- 2.6 vs 190.6 +/- 53.0 nmol/l) fetuses and of total DHA in hypophysectomized fetuses (n = 7; 16.0 +/- 1.9 vs 31.6 +/- 8.5 nmol/l) while infusion of ACTH (1-24) (5 micrograms/h) was without significant effect in any group. It is concluded that the ovine fetal adrenal in late pregnancy makes no significant contribution either to the high circulating concentrations of DHA sulphate or to the substrates for placental oestrogen synthesis. |
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Palavras-Chave: |
Dehydroepiandrosterone Sulfate; Foetus. |
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Thesaurus Nal: |
Blood; cosyntropin; estrone; Ewes; Gestation period; hypophysectomy; Pregnancy; Sheep. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02163naa a2200289 a 4500
001 2070894
005 2017-06-13
008 1985 bl uuuu u00u1 u #d
100 1 $aLIGGINS, G. C.
245 $aOn the origin of dehydroepiandrosterone sulphate in the blood of fetal sheep.
260 $c1985
520 $aAbstract: Total sulphoconjugated and unconjugated dehydroepiandrosterone (DHA) and total oestrone were measured in plasma of intact sheep fetuses, fetuses hypophysectomized at 104-112 days and fetuses bilaterally adrenalectomized at 98-101 days. At 120-127 days, the mean concentrations of total DHA and oestrone in intact fetuses (n = 13) were 29.7 +/- 4.2 (S.E.M.) nmol/l and 14.3 +/- 2.8 nmol/l respectively. At term, the values for total DHA and oestrone in hypophysectomized fetuses (n = 13) of 18.0 +/- 1.9 nmol/l and 9.1 +/- 2.0 nmol/l were significantly (P less than 0.05) lower than the intact group whereas in the adrenalectomized fetuses (n = 8) total DHA (80.8 +/- 13.0 nmol/l) was higher (P less than 0.05) and total oestrone values were similar to the intact animals. Intrafetal infusion of cortisol at term (1 mg/h for 84 h) raised levels of total oestrone in intact (n = 6; 12.3 +/- 2.9 vs 31.6 +/- 8.5 nmol/l) and adrenalectomized (n = 4; 14.2 +/- 2.6 vs 190.6 +/- 53.0 nmol/l) fetuses and of total DHA in hypophysectomized fetuses (n = 7; 16.0 +/- 1.9 vs 31.6 +/- 8.5 nmol/l) while infusion of ACTH (1-24) (5 micrograms/h) was without significant effect in any group. It is concluded that the ovine fetal adrenal in late pregnancy makes no significant contribution either to the high circulating concentrations of DHA sulphate or to the substrates for placental oestrogen synthesis.
650 $aBlood
650 $acosyntropin
650 $aestrone
650 $aEwes
650 $aGestation period
650 $ahypophysectomy
650 $aPregnancy
650 $aSheep
653 $aDehydroepiandrosterone Sulfate
653 $aFoetus
700 1 $aSCHELLENBERG, J. -C.
700 1 $aAMATO, F.
700 1 $aGODFREY, B.
700 1 $aSEAMARK, R. F.
773 $tJournal of Endocrinology$gv. 104, n. 2, p. 279-284, Feb. 1985.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Meio-Norte. |
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Data corrente: |
31/01/2012 |
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Data da última atualização: |
03/06/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 3 |
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Autoria: |
ALVES, A. A.; SALES, R. de O.; NEIVA, J. N. M.; MEDEIROS, A. N.; BRAGA, A. P.; AZEVEDO, D. M. M. R.; SILVA, L. R. F. da. |
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Afiliação: |
ARNAUD AZEVÊDO ALVES, UFPI; RONALDO DE OLIVEIRA SALES, UFC; JOSÉ NEUMAN MIRANDA NEIVA, UFT; ARIOSVALDO NUNES MEDEIROS, UFPB; ALEXANDRE PAULA BRAGA, UFERSA; DANIELLE MARIA MACHADO R AZEVEDO, CPAMN; LÍLIA RAQUEL FÉ DA SILVA, UFPI. |
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Título: |
Metabolismo de compostos nitrogenados em ovinos alimentados com dietas contendo vagens de faveira. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Revista Brasileira de Saúde e Produção Animal, Salvador, v. 12, n. 4, p. 1051-1066, out./dez 2011. |
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Série: |
1519-9940 |
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Idioma: |
Português |
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Palavras-Chave: |
Balanço de nitrogênio; Retenção de nitrogênio. |
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Thesagro: |
Valor Nutritivo. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/53212/1/DanielleAzevedo.pdf
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Marc: |
LEADER 00742naa a2200229 a 4500
001 1913982
005 2022-06-03
008 2011 bl uuuu u00u1 u #d
100 1 $aALVES, A. A.
245 $aMetabolismo de compostos nitrogenados em ovinos alimentados com dietas contendo vagens de faveira.
260 $c2011
490 $a1519-9940
650 $aValor Nutritivo
653 $aBalanço de nitrogênio
653 $aRetenção de nitrogênio
700 1 $aSALES, R. de O.
700 1 $aNEIVA, J. N. M.
700 1 $aMEDEIROS, A. N.
700 1 $aBRAGA, A. P.
700 1 $aAZEVEDO, D. M. M. R.
700 1 $aSILVA, L. R. F. da
773 $tRevista Brasileira de Saúde e Produção Animal, Salvador$gv. 12, n. 4, p. 1051-1066, out./dez 2011.
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Embrapa Meio-Norte (CPAMN) |
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