Publication: Expression of gonadotrophin-releasing
hormone binding sites in somatic tissues
of the gilthead seabream (Sparus aurata):
a quantitative autoradiographic study
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Date
2006
Authors
González-Martínez, D. ; Sarasquete, C. ; Pascual, E. ; Muñoz-Cueto, J.A.
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Publisher
Murcia : F. Hernández
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DOI
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info:eu-repo/semantics/article
Description
Abstract
In this study, we have analysed the
expression of gonadotrophin-releasing hormone (GnRH)
binding sites in somatic tissues (intestine, liver, gill,
skeletal muscle, ovary, heart, stomach, kidney and
spleen) of the gilthead seabream, Sparus aurata using 3-
[125I]iodototyrosyl5-mammalian GnRH and autoradiographic
techniques. The qualitative and
quantitative analysis showed the existence of a basal
expression of specific GnRH binding sites in intestine,
skeletal muscle, ovary, stomach and spleen.
Furthermore, our data suggest that the level of
expression of GnRH binding sites can be significantly
enhanced by GnRH treatment in intestine, gill, heart,
stomach, kidney and spleen. This study shows that
GnRH can exert direct effects in both reproductive and
non-reproductive somatic tissues of the gilthead
seabream.
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