Both prothoracicotropic hormone and an autocrine factor are involved in control of prothoracic gland ecdysteroidogenesis in Locusta migratoria and Schistocerca gregaria

In Bombyx mori, ecdysteroidogenesis by the prothoracic glands (PGs) is controlled by both prothoracicotropic hormone (PTTH) and a factor secreted by the glands themselves. This factor, which is active both in vitro and in vivo, has been named ‘autocrine factor’ (AF). To find out whether or not this...

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Bibliographic Details
Published in:Peptides (New York, N.Y. : 1980) N.Y. : 1980), 2007, Vol.28 (1), p.44-50
Main Authors: Vandersmissen, Tim, De Loof, Arnold, Gu, Shi-Hong
Format: Article
Language:English
Subjects:
Animals
Autocrine activation
Biological and medical sciences
Bombyx - growth & development
Bombyx - metabolism
Bombyx mori
Ecdysone
Ecdysteroids - metabolism
Endocrine Glands - metabolism
Fundamental and applied biological sciences. Psychology
Grasshoppers - growth & development
Grasshoppers - metabolism
Insect endocrinology
Insect Hormones - metabolism
Insect Hormones - physiology
Locusta migratoria
Locusta migratoria - growth & development
Locusta migratoria - metabolism
Metamorphosis
Prothoracic gland
PTTH
Schistocerca gregaria
Vertebrates: endocrinology
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Summary:In Bombyx mori, ecdysteroidogenesis by the prothoracic glands (PGs) is controlled by both prothoracicotropic hormone (PTTH) and a factor secreted by the glands themselves. This factor, which is active both in vitro and in vivo, has been named ‘autocrine factor’ (AF). To find out whether or not this dual control also exists in other species, in particular in hemimetabolous ones, we applied similar methods as were used to discover AF in Bombyx to the locusts Locusta migratoria and Schistocerca gregaria. Our results unequivocally show that locust PGs also secrete an as yet unidentified autocrine factor. Possible roles of AF are discussed.
ISSN:0196-9781
1873-5169
DOI:10.1016/j.peptides.2006.11.001