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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
5
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pubmed:dateCreated |
2001-4-24
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pubmed:abstractText |
GnRH acts via GnRH receptors (GnRH-R) in the pituitary to cause the release of gonadotropins that regulate vertebrate reproduction. In the teleost fish, Haplochromis burtoni, reproduction is socially regulated through the hypothalamus-pituitary-gonadal axis, making the pituitary GnRH-R a likely site of action for this control. As a first step toward understanding the role of GnRH-R in the social control of reproduction, we cloned and sequenced candidate GnRH-R complementary DNAs from H. burtoni tissue. We isolated a complementary DNA that predicts a peptide encoding a G protein-coupled receptor that shows highest overall identity to other fish type I GnRH-R (goldfish IA and IB and African catfish). Functional testing of the expressed protein in vitro confirmed high affinity binding of multiple forms of GNRH: Localization of GnRH-R messenger RNA using RT-PCR revealed that it is widely distributed in the brain and retina as well as elsewhere in the body. Taken together, these data suggest that this H. burtoni GnRH receptor probably interacts in vivo with all three forms of GNRH:
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pubmed:grant |
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pubmed:commentsCorrections |
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
AIM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
May
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pubmed:issn |
0013-7227
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
142
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1737-43
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pubmed:dateRevised |
2011-4-21
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pubmed:meshHeading |
pubmed-meshheading:11316736-Amino Acid Sequence,
pubmed-meshheading:11316736-Animals,
pubmed-meshheading:11316736-Base Sequence,
pubmed-meshheading:11316736-DNA, Complementary,
pubmed-meshheading:11316736-Fishes,
pubmed-meshheading:11316736-Inositol Phosphates,
pubmed-meshheading:11316736-Male,
pubmed-meshheading:11316736-Molecular Sequence Data,
pubmed-meshheading:11316736-Phylogeny,
pubmed-meshheading:11316736-RNA, Messenger,
pubmed-meshheading:11316736-Receptors, LHRH
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pubmed:year |
2001
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pubmed:articleTitle |
Gonadotropin-releasing hormone receptor in the teleost Haplochromis burtoni: structure, location, and function.
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pubmed:affiliation |
Program in Neuroscience, Department of Psychology, Stanford University, Stanford, California 94305-2130, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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