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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
31/01/1996 |
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Data da última atualização: |
02/01/2024 |
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Autoria: |
PHILLIPS, D. J.; SMITH, P. R.; HEATH, D. A.; CONDELL, L. A.; McNATTY, K. P. |
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Título: |
Bioactive and immunoreactive FSH and immunoreactive inhibin concentrations in the ovine fetus. |
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Ano de publicação: |
1992 |
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Fonte/Imprenta: |
The Journal of Endocrinology, v. 134, n. 2, p. 287-295, Aug. 1992. |
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DOI: |
10.1677/joe.0.1340287 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The bioactive (B) and immunoreactive (I) pituitary contents/concentrations of FSH, together with the plasma concentrations of B-FSH, I-FSH and I-inhibin were determined in ovine fetuses at days 55, 75, 90 and 135 of gestation (day 145 = term). The pituitary contents and concentrations of B-FSH and I-FSH increased in both sexes with gestational age. The female fetuses had significantly (P < 0.01) higher pituitary contents/concentrations of B-FSH and I-FSH than the male fetuses at days 75 and 135. The pituitary B/I ratios of FSH were not significantly different with age or sex. The plasma concentrations of B-FSH remained relatively constant from days 75 to 135, with no significant differences between sexes or with age. In contrast, the plasma concentrations of I-FSH reached a peak at day 90 and then declined towards term in both sexes. At all gestational ages except day 55, the female fetuses had significantly (P < 0.05) higher plasma concentrations of I-FSH than the males. In both sexes, the plasma B/I ratios of FSH were lowest at day 90 and had increased again by day 135, with the male fetuses having significantly (P < 0.05) higher B/I ratios compared with the female group at days 75 and 135 but not at day 90. At all gestational ages, the plasma concentrations of I-inhibin declined throughout gestation in the female fetuses, whereas in the males they reached a nadir at day 75 and then increased towards term. The concentrations of I-inhibin were significantly (P < 0.01) higher in the male fetuses compared with the females MenosAbstract: The bioactive (B) and immunoreactive (I) pituitary contents/concentrations of FSH, together with the plasma concentrations of B-FSH, I-FSH and I-inhibin were determined in ovine fetuses at days 55, 75, 90 and 135 of gestation (day 145 = term). The pituitary contents and concentrations of B-FSH and I-FSH increased in both sexes with gestational age. The female fetuses had significantly (P < 0.01) higher pituitary contents/concentrations of B-FSH and I-FSH than the male fetuses at days 75 and 135. The pituitary B/I ratios of FSH were not significantly different with age or sex. The plasma concentrations of B-FSH remained relatively constant from days 75 to 135, with no significant differences between sexes or with age. In contrast, the plasma concentrations of I-FSH reached a peak at day 90 and then declined towards term in both sexes. At all gestational ages except day 55, the female fetuses had significantly (P < 0.05) higher plasma concentrations of I-FSH than the males. In both sexes, the plasma B/I ratios of FSH were lowest at day 90 and had increased again by day 135, with the male fetuses having significantly (P < 0.05) higher B/I ratios compared with the female group at days 75 and 135 but not at day 90. At all gestational ages, the plasma concentrations of I-inhibin declined throughout gestation in the female fetuses, whereas in the males they reached a nadir at day 75 and then increased towards term. The concentrations of I-inhibin were significantly (P < 0... Mostrar Tudo |
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Palavras-Chave: |
Inhibins blood; Sex characteristics. |
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Thesagro: |
Endocrinologia; Ovino; Reprodução. |
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Thesaurus Nal: |
Females; Follicle-stimulating hormone; Gestational age; Males; Metabolism; Reproduction; Sheep. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02486naa a2200325 a 4500
001 1523302
005 2024-01-02
008 1992 bl uuuu u00u1 u #d
024 7 $a10.1677/joe.0.1340287$2DOI
100 1 $aPHILLIPS, D. J.
245 $aBioactive and immunoreactive FSH and immunoreactive inhibin concentrations in the ovine fetus.$h[electronic resource]
260 $c1992
520 $aAbstract: The bioactive (B) and immunoreactive (I) pituitary contents/concentrations of FSH, together with the plasma concentrations of B-FSH, I-FSH and I-inhibin were determined in ovine fetuses at days 55, 75, 90 and 135 of gestation (day 145 = term). The pituitary contents and concentrations of B-FSH and I-FSH increased in both sexes with gestational age. The female fetuses had significantly (P < 0.01) higher pituitary contents/concentrations of B-FSH and I-FSH than the male fetuses at days 75 and 135. The pituitary B/I ratios of FSH were not significantly different with age or sex. The plasma concentrations of B-FSH remained relatively constant from days 75 to 135, with no significant differences between sexes or with age. In contrast, the plasma concentrations of I-FSH reached a peak at day 90 and then declined towards term in both sexes. At all gestational ages except day 55, the female fetuses had significantly (P < 0.05) higher plasma concentrations of I-FSH than the males. In both sexes, the plasma B/I ratios of FSH were lowest at day 90 and had increased again by day 135, with the male fetuses having significantly (P < 0.05) higher B/I ratios compared with the female group at days 75 and 135 but not at day 90. At all gestational ages, the plasma concentrations of I-inhibin declined throughout gestation in the female fetuses, whereas in the males they reached a nadir at day 75 and then increased towards term. The concentrations of I-inhibin were significantly (P < 0.01) higher in the male fetuses compared with the females
650 $aFemales
650 $aFollicle-stimulating hormone
650 $aGestational age
650 $aMales
650 $aMetabolism
650 $aReproduction
650 $aSheep
650 $aEndocrinologia
650 $aOvino
650 $aReprodução
653 $aInhibins blood
653 $aSex characteristics
700 1 $aSMITH, P. R.
700 1 $aHEATH, D. A.
700 1 $aCONDELL, L. A.
700 1 $aMcNATTY, K. P.
773 $tThe Journal of Endocrinology$gv. 134, n. 2, p. 287-295, Aug. 1992.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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