Hormonal control of in vitro vitellogenin synthesis in Rana esculenta liver: Effects of mammalian and amphibian growth hormone

Oliana Carnevali, Gilberto Mosgoni, Kazutoshi Yamamoto, Tetsuya Kobayashi, Sakae Kikuyama, Alberta M. Polzonetti-Magni

Research output: Contribution to journalArticle

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Abstract

Estradiol 17-β is known to induce hepatic synthesis and secretion of vitellogenin in all species studied and in Rana esculenta, previous experiments demonstrated the involvement of pituitary in these processes; indeed, in addition to estradiol 17-β, homologous pituitary homogenate directly stimulated male and female liver to produce vitellogenin in tissue cultures. Therefore, the effect of ovine growth hormone (o-GH) and Rana catesbeiana growth hormone (f-GH) on hepatic vitellogenin synthesis was investigated. In the present in vitro experiments, both o-GH and f-GH positively stimulated vitellogenin synthesis, in female and male liver, in a dose-related fashion. No significant differences were found in VTG levels induced by o-GH and f-GH. The GH stimulatory effects, found during the different phases of the reproductive cycle, displayed different trends related to season and sex.

Original languageEnglish
Pages (from-to)406-414
Number of pages9
JournalGeneral and Comparative Endocrinology
Volume88
Issue number3
DOIs
Publication statusPublished - 1992
Externally publishedYes

Fingerprint

Rana esculenta
Vitellogenins
hormonal regulation
vitellogenin
Amphibians
somatotropin
Growth Hormone
amphibians
Sheep
liver
synthesis
Liver
sheep
estradiol
Estradiol
Rana catesbeiana
Lithobates catesbeianus
tissue culture
secretion
In Vitro Techniques

ASJC Scopus subject areas

  • Endocrinology

Cite this

Hormonal control of in vitro vitellogenin synthesis in Rana esculenta liver : Effects of mammalian and amphibian growth hormone. / Carnevali, Oliana; Mosgoni, Gilberto; Yamamoto, Kazutoshi; Kobayashi, Tetsuya; Kikuyama, Sakae; Polzonetti-Magni, Alberta M.

In: General and Comparative Endocrinology, Vol. 88, No. 3, 1992, p. 406-414.

Research output: Contribution to journalArticle

Carnevali, Oliana ; Mosgoni, Gilberto ; Yamamoto, Kazutoshi ; Kobayashi, Tetsuya ; Kikuyama, Sakae ; Polzonetti-Magni, Alberta M. / Hormonal control of in vitro vitellogenin synthesis in Rana esculenta liver : Effects of mammalian and amphibian growth hormone. In: General and Comparative Endocrinology. 1992 ; Vol. 88, No. 3. pp. 406-414.
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