Literature DB >> 6208610

Induction of pituitary lactotrope differentiation by luteinizing hormone alpha subunit.

M Bégeot, F J Hemming, P M Dubois, Y Combarnous, M P Dubois, M L Aubert.   

Abstract

Addition of gonadotropin releasing hormone to cultures of fetal rat pituitary induced differentiation of lactotropes as revealed by immunocytochemistry. Antiserum to luteinizing hormone (LH) (recognizing native LH), but not antiserum to LH-beta (recognizing both native LH and its beta subunit), inhibited this induction. Further addition of highly purified LH-alpha subunit in culture medium also induced lactotrope differentiation. Thus, the alpha subunit may have a specific biological activity of its own with probable practical use in clinical investigations.

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Year:  1984        PMID： 6208610     DOI： 10.1126/science.6208610

Source DB:  PubMed          Journal:  Science        ISSN： 0036-8075            Impact factor:   47.728


  16 in total

1.  Calcitonin-like peptide containing gonadotrophs are juxtaposed to cup-shaped lactotrophs.

Authors:  B M Chronwall; S A Sands; Z Li; G V Shah
Journal:  Endocrine       Date:  1996-02       Impact factor: 3.633

Review 2.  Paracrinicity: the story of 30 years of cellular pituitary crosstalk.

Authors:  C Denef
Journal:  J Neuroendocrinol       Date:  2008-01       Impact factor: 3.627

3.  Selectivity of juxtaposition between cup-shaped lactotrophs and gonadotrophs from rat anterior pituitary in culture.

Authors:  W Allaerts; A Mignon; C Denef
Journal:  Cell Tissue Res       Date:  1991-02       Impact factor: 5.249

4.  Detailed morphogenetic analysis of the embryonic chicken pars tuberalis as glycoprotein alpha subunit positive region.

Authors:  Makiko Inoue; Sayaka Aizawa; Yuriko Higaki; Akira Kawashima; Kanako Koike; Hiroyasu Takagi; Takafumi Sakai; Ichiro Sakata
Journal:  J Mol Histol       Date:  2012-12-27       Impact factor: 2.611

5.  Somatotrophs and lactotrophs in the anterior pituitary of fetal and neonatal rats. Electron-microscopic immunocytochemical identification.

Authors:  F J Hemming; M P Dubois; P M Dubois
Journal:  Cell Tissue Res       Date:  1986       Impact factor: 5.249

6.  Independent differentiation of mammotropes and somatotropes in the chicken embryonic pituitary gland. Analysis by cell distribution and attempt to detect somatomammotropes.

Authors:  Jun Zheng; Kazuaki Nakamura; Yoko Maseki; Sofie M E Geelissen; Luc R Berghman; Takafumi Sakai
Journal:  Histochem Cell Biol       Date:  2005-10-08       Impact factor: 4.304

7.  Differential regulation of gonadotropins and glycoprotein hormone alpha-subunit by IGF-I in anterior pituitary cells from male rats.

Authors:  F Pazos; F Sánchez-Franco; J Balsa; J Escalada; L Cacicedo
Journal:  J Endocrinol Invest       Date:  2004 Jul-Aug       Impact factor: 4.256

8.  Gonadotropin-releasing hormone receptor gene expression in rat anterior pituitary.

Authors:  H C Mertani; C Testart; A Ouhtit; C Brisson; G Morel
Journal:  Endocrine       Date:  1996-04       Impact factor: 3.633

9.  Cultured fetal rat pituitaries kept in synthetic medium are able to initiate synthesis of trophic hormones.

Authors:  A Nemeskéri; B Halász
Journal:  Cell Tissue Res       Date:  1989-03       Impact factor: 5.249

10.  The alpha-subunit of glycoprotein hormones exists in the prolactin secretory granules of the bullfrog (Rana catesbeiana) pituitary gland.

Authors:  S Tanaka; F Mizutani; K Yamamoto; S Kikuyama; K Kurosumi
Journal:  Cell Tissue Res       Date:  1992-02       Impact factor: 5.249
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