First evidence for a direct inhibitory effect of kisspeptins on LH expression in the eel, Anguilla anguilla

Abascal, 2005, ProtTest: selection of best-fit models of protein evolution, Bioinformatics, 21, 2104, 10.1093/bioinformatics/bti263 Amano, 2006, Novel fish hypothalamic neuropeptides stimulate the release of gonadotrophins and growth hormone from the pituitary of sockeye salmon, J. Endocrinol., 188, 417, 10.1677/joe.1.06494 Aroua, 2007, Development of real-time RT-PCR assays for eel gonadotropins and their application to the comparison of in vivo and in vitro effects of sex steroids, Gen. Comp. Endocrinol., 153, 333, 10.1016/j.ygcen.2007.02.027 Biran, 2008, Molecular identification and functional characterization of the kisspeptin/kisspeptin receptor system in lower vertebrates, Biol. Reprod., 79, 776, 10.1095/biolreprod.107.066266 Ciccone, 2004, Gonadotrophin inhibitory hormone depresses gonadotrophin alpha and follicle-stimulating hormone beta subunit expression in the pituitary of the domestic chicken, J. Neuroendocrinol., 16, 999, 10.1111/j.1365-2826.2005.01260.x Clarke, 2009, Evidence that RF-amide related peptides are inhibitors of reproduction in mammals, Front. Neuroendocrinol., 30, 371, 10.1016/j.yfrne.2009.04.001 De Pinna, 1996, Teleostean monophyly, 147 de Roux, 2003, Hypogonadotropic hypogonadism due to loss of function of the KiSS1-derived peptide receptor GPR54, Proc. Natl. Acad. Sci. USA, 100, 10972, 10.1073/pnas.1834399100 Dufour, 2003, Reproductive endocrinology of the European eel, Anguilla anguilla, 373 Dufour, 2005, Dopaminergic inhibition of reproduction in teleost fishes: ecophysiological and evolutionary implications, Ann. NY Acad. Sci., 1040, 9, 10.1196/annals.1327.002 Dungan, 2006, Minireview: kisspeptin neurons as central processors in the regulation of gonadotropin-releasing hormone secretion, Endocrinology, 147, 1154, 10.1210/en.2005-1282 Elizur, 2009, The KiSS1/GPR54 system in fish, Peptides, 30, 164, 10.1016/j.peptides.2008.08.018 Filby, 2008, The kisspeptin/gonadotropin-releasing hormone pathway and molecular signaling of puberty in fish, Biol. Reprod., 78, 278, 10.1095/biolreprod.107.063420 Funes, 2003, The KiSS-1 receptor GPR54 is essential for the development of the murine reproductive system, Biochem. Biophys. Res. Commun., 312, 1357, 10.1016/j.bbrc.2003.11.066 Gong, 2002, Sequence and structure of encoding eel growth hormone gene, Shuichan Xuebao, 26, 295 Gutierrez-Pascual, 2007, Direct pituitary effects of kisspeptin: activation of gonadotrophs and somatotrophs and stimulation of luteinising hormone and growth hormone secretion, J. Neuroendocrinol., 19, 521, 10.1111/j.1365-2826.2007.01558.x Koda, 2002, A novel amphibian hypothalamic neuropeptide: isolation, localization, and biological activity, Endocrinology, 143, 411, 10.1210/endo.143.2.8630 Kotani, 2001, The metastasis suppressor gene KiSS-1 encodes kisspeptins, the natural ligands of the orphan G protein-coupled receptor GPR54, J. Biol. Chem., 276, 34631, 10.1074/jbc.M104847200 Lee, 1996, KiSS-1, a novel human malignant melanoma metastasis-suppressor gene, J. Natl. Cancer Inst., 88, 1731, 10.1093/jnci/88.23.1731 Lee, 1999, Discovery of a receptor related to the galanin receptors, FEBS Lett., 446, 103, 10.1016/S0014-5793(99)00009-5 Lee, 2009, Molecular evolution of multiple forms of kisspeptins and GPR54 receptors in vertebrates, Endocrinology, 150, 2837, 10.1210/en.2008-1679 Lehman, 2010, Minireview: Kisspeptin/Neurokinin B/Dynoprphin (KNDy) cells of arcuate nucleus: a central node in the control of gonadotropin-releasing hormone secretion, Endocrinology, 151, 3479, 10.1210/en.2010-0022 Leprince, 1998, Structure–activity relationships of a series of analogues of the octadecaneuropeptide ODN on calcium mobilization in rat astrocytes, J. Med. Chem., 41, 4433, 10.1021/jm980275d Li, 2009, Structural and functional multiplicity of the kisspeptin/GPR54 system in goldfish (Carassius auratus), J. Endocrinol., 201, 407, 10.1677/JOE-09-0016 Martinez-Chavez, 2008, GPR54 and rGnRH I gene expression during the onset of puberty in Nile tilapia, Gen. Comp. Endocrinol., 156, 224, 10.1016/j.ygcen.2008.01.019 Matsui, 2004, Peripheral administration of metastin induces marked gonadotropin release and ovulation in the rat, Biochem. Biophys. Res. Commun., 320, 383, 10.1016/j.bbrc.2004.05.185 Mechaly, 2009, Gene structure of the Kiss1 receptor-2 (Kiss1r-2) in the Atlantic halibut: insights into the evolution and regulation of Kiss1r genes, Mol. Cell. Endocrinol., 317, 78, 10.1016/j.mce.2009.11.005 Mechaly, 2009, Identification of two isoforms of the Kisspeptin-1 receptor (kiss1r) generated by alternative splicing in a modern teleost, the Senegalese sole (Solea senegalensis), Biol. Reprod., 80, 60, 10.1095/biolreprod.108.072173 Messager, 2005, Kisspeptin and its receptor: new gatekeepers of puberty, J. Neuroendocrinol., 17, 687, 10.1111/j.1365-2826.2005.01357.x Montero, 1994, Immunocytochemical localization of mammalian GnRH (gonadotropin-releasing hormone) and chicken GnRH-II in the brain of the European silver eel (Anguilla anguilla L.), J. Chem. Neuroanat., 7, 227, 10.1016/0891-0618(94)90015-9 Montero, 1996, Primary cultures of dispersed pituitary cells from estradiol-pretreated female silver eels (Anguilla anguilla L.): immunocytochemical characterization of gonadotropic cells and stimulation of gonadotropin release, Gen. Comp. Endocrinol., 104, 103, 10.1006/gcen.1996.0146 Muir, 2001, AXOR12, a novel human G protein-coupled receptor, activated by the peptide KiSS-1, J. Biol. Chem., 276, 28969, 10.1074/jbc.M102743200 Navarro, 2005, Characterization of the potent luteinizing hormone-releasing activity of KiSS-1 peptide, the natural ligand of GPR54, Endocrinology, 146, 156, 10.1210/en.2004-0836 Ohtaki, 2001, Metastasis suppressor gene KiSS-1 encodes peptide ligand of a G-protein-coupled receptor, Nature, 411, 613, 10.1038/35079135 Parhar, 2004, Laser-captured single digoxigenin-labeled neurons of gonadotropin-releasing hormone types reveal a novel G protein-coupled receptor (Gpr54) during maturation in cichlid fish, Endocrinology, 145, 3613, 10.1210/en.2004-0395 Pradet-Balade, 1998, Heterogeneity of eel thyrotropin beta mRNAs is due to a minisatellite in the 3′ untranslated region of the gene, Gene, 215, 251, 10.1016/S0378-1119(98)00306-0 Quérat, 1990, Cloning and sequence analysis of the cDNA for the pituitary glycoprotein hormone alpha-subunit of the European eel, Mol. Cell. Endocrinol., 71, 253, 10.1016/0303-7207(90)90030-C Quérat, 1990, Molecular cloning and sequence analysis of the cDNA for the putative beta subunit of the type-II gonadotrophin from the European eel, J. Mol. Endocrinol., 4, 257, 10.1677/jme.0.0040257 Richard, 2009, KiSS-1 and GPR54 at the pituitary level: overview and recent insights, Peptides, 30, 123, 10.1016/j.peptides.2008.09.015 Richard, 2008, KiSS-1 and GPR54 genes are co-expressed in rat gonadotrophs and differentially regulated in vivo by oestradiol and gonadotrophin-releasing hormone, J. Neuroendocrinol., 20, 381, 10.1111/j.1365-2826.2008.01653.x Roa, 2008, New frontiers in kisspeptin/GPR54 physiology as fundamental gatekeepers of reproductive function, Front. Neuroendocrinol., 29, 48, 10.1016/j.yfrne.2007.07.002 Salmon, 1993, Cloning and sequence of thyrotropin beta subunit of a teleost fish: the eel (Anguilla anguilla L.), C. R. Acad. Sci. III, 316, 749 Sawada, 2002, Novel fish hypothalamic neuropeptide, Eur. J. Biochem., 269, 6000, 10.1046/j.1432-1033.2002.03351.x Schmitz, 2005, Differential regulation of luteinizing hormone and follicle-stimulating hormone expression during ovarian development and under sexual steroid feedback in the European eel, Neuroendocrinology, 81, 107, 10.1159/000086404 Sébert, 2008, Melatonin activates brain dopaminergic systems in the eel with an inhibitory impact on reproductive function, J. Neuroendocrinol., 20, 917, 10.1111/j.1365-2826.2008.01744.x Seminara, 2003, The GPR54 gene as a regulator of puberty, N. Engl. J. Med., 349, 1614, 10.1056/NEJMoa035322 Smith, 2009, Sex steroid control of hypothalamic Kiss1 expression in sheep and rodents: comparative aspects, Peptides, 30, 94, 10.1016/j.peptides.2008.08.013 Smith, 2008, Kisspeptin is present in ovine hypophysial portal blood but does not increase during the preovulatory luteinizing hormone surge: evidence that gonadotropes are not direct targets of kisspeptin in vivo, Endocrinology, 149, 1951, 10.1210/en.2007-1425 Stamatakis, 2008, Efficient computation of the phylogenetic likelihood function on multi-gene alignments and multi-core architectures, Philos. Trans. R. Soc. Lond. B, 363, 3977, 10.1098/rstb.2008.0163 Stone, 2003, Ecology. Freshwater eels are slip-sliding away, Science, 302, 221, 10.1126/science.302.5643.221 Suzuki, 2008, Direct kisspeptin-10 stimulation on luteinizing hormone secretion from bovine and porcine anterior pituitary cells, Anim. Reprod. Sci., 103, 360, 10.1016/j.anireprosci.2007.05.016 Tamura, 2007, MEGA4: Molecular Evolutionary Genetics Analysis (MEGA) software version 4.0, Mol. Biol. Evol., 24, 1596, 10.1093/molbev/msm092 Thompson, 1994, CLUSTAL W: improving the sensitivity of progressive multiple sequence alignment through sequence weighting, position-specific gap penalties and weight matrix choice, Nucleic Acids Res., 22, 4673, 10.1093/nar/22.22.4673 Thompson, 2004, Central and peripheral administration of kisspeptin-10 stimulates the hypothalamic–pituitary–gonadal axis, J. Neuroendocrinol., 16, 850, 10.1111/j.1365-2826.2004.01240.x Tsutsui, 2010, Discovery and evolutionary history of gonadotrophin-inhibitory hormone and kisspeptin: new key neuropeptides controlling reproduction, J. Neuroendocrinol., 22, 716 Tsutsui, 2000, A novel avian hypothalamic peptide inhibiting gonadotropin release, Biochem. Biophys. Res. Commun., 275, 661, 10.1006/bbrc.2000.3350 Ukena, 2003, Novel neuropeptides related to frog growth hormone-releasing peptide: isolation, sequence, and functional analysis, Endocrinology, 144, 3879, 10.1210/en.2003-0359 Um, 2010, Molecular coevolution of kisspeptins and their receptors from fish to mammals, Ann. NY Acad. Sci., 1200, 67, 10.1111/j.1749-6632.2010.05508.x Weltzien, 2005, A quantitative real-time RT-PCR assay for European eel tyrosine hydroxylase, Gen. Comp. Endocrinol., 142, 134, 10.1016/j.ygcen.2004.12.019 Yang, 2009, Goldfish kisspeptin: molecular cloning, tissue distribution of transcript expression, and stimulatory effects on prolactin, growth hormone and luteinizing hormone secretion and gene expression via direct actions at the pituitary level, Gen. Comp. Endocrinol., 165, 60, 10.1016/j.ygcen.2009.06.001