1971
DOI: 10.1083/jcb.50.3.598
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Interaction of Estrogen and Progesterone in Chick Oviduct Development

Abstract: Administration of estrogen (E) to immature chicks triggers the cytodifferentiation of tubular gland cells in the magnum portion of the oviduct epithelium ; these cells synthesize the major egg-white protein, ovalbumin . Electron microscopy and immunoprecipitation of ovalbumin from oviduct explants labeled with radioactive amino acids in tissue culture were used to follow and measure the degree of tubular gland cell cytodifferentiation . Ovalbumin is undetectable in the unstimulated chick oviduct and in oviduct… Show more

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Cited by 189 publications
(94 citation statements)
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“…The chick oviduct presents a useful model for studying the interactions between progesterone and oestrogen at the molecular level since considerable literature has accumulated, documenting the differential effects of these hormones on oviduct growth, cytodifferentiation and egg white protein synthesis. In the immature chick oviduct, progesterone antagonizes the oestrogen-induced tissue growth and differentiation of tubular gland cells [5,28]. The situation is appreciably different in oestrogenpretreated and then withdrawn chickens where subsequent treatments with oestrogen and/or progesterone are capable, each in their own specific way [9,30], of independently inducing ovalbumin synthesis, in preexisting tubular gland cells.…”
Section: Discussionmentioning
confidence: 99%
“…The chick oviduct presents a useful model for studying the interactions between progesterone and oestrogen at the molecular level since considerable literature has accumulated, documenting the differential effects of these hormones on oviduct growth, cytodifferentiation and egg white protein synthesis. In the immature chick oviduct, progesterone antagonizes the oestrogen-induced tissue growth and differentiation of tubular gland cells [5,28]. The situation is appreciably different in oestrogenpretreated and then withdrawn chickens where subsequent treatments with oestrogen and/or progesterone are capable, each in their own specific way [9,30], of independently inducing ovalbumin synthesis, in preexisting tubular gland cells.…”
Section: Discussionmentioning
confidence: 99%
“…Le contr61e hormonal de la diffErenciation du magnum des oiseaux est plus complexe que ne le laissaient prEvoir les schemas de Oka et Schimke (11) et Palmiter et Wrenn (12). Les r61es physiologiques des oestrog~nes notamment doivent ~tre reconsid6r6s.…”
Section: Discussionunclassified
“…I1 est connu que la progest6rone inhibe les divisions et stimule fortement les ph6no-m~nes s6cr6toires du magnum des oiseaux lorsqu'elle agit avec ou apr~s les cestrog~nes (10)(11)(12)8). Notre 6tude montre par ailleurs, l'importance fondamentale de la dose de benzoate d'0estradiol dans les traitements ~stro-progestatifs puisque avec 10 p,g/jour d'~estrog6ne, la progest6rone permet en 6 jours la mise en place d'un 6pith61ium comparable h celui d'une caille en ponte alors qu'en doublant la dose d'oestrog~ne, toutes les cellules de l'6pith61ium luminal deviennent s6cr6trices.…”
Section: Discussionunclassified
“…In chickens, ovalbumin (OVA), the major constituent of egg white, is synthesized in the oviduct under estrogenic induction (Kohler et al, 1969;Palmiter and Wrenn, 1971), and its 5'-flanking region contains a corresponding DNA recognition sequence (AGGTGA) that is recognized by the ERα and ERβ P-box (CEGCKA) (Glass, 1994). Thus, we deduced that ERs have a certain function in the expression of OVA mRNA, although the role that ERs play in the expression of OVA in POECs is unknown.…”
Section: Introductionmentioning
confidence: 99%