Search Results - "Urano, Akihisa"
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Diversity of the hypothalamo-neurohypophysial system and its hormonal genes
Published in General and comparative endocrinology (01-01-2011)“…Research highlights ► Far and wide distributions of NSCs coordinate neural and endocrine events. ► Homotypic NSC clusters serve to maintain plasma hormone…”
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2
Molecular regulation of gonadotropin secretion by gonadotropin-releasing hormone in salmonid fishes
Published in Zoological science (01-04-2005)“…Gonadotropin-releasing hormone (GnRH) plays a central role in the control of reproductive function in vertebrates. In salmonids, salmon GnRH (sGnRH) secreted…”
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3
Neuromodulatory effects of gonadotropin-releasing hormone on retinotectal synaptic transmission in the optic tectum of rainbow trout
Published in The European journal of neuroscience (01-01-2007)“…Gonadotropin‐releasing hormone (GnRH) is a hypophysiotropic decapeptide that stimulates the release of gonadotropins from the pituitary. In addition, there are…”
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4
Periventricular efferent neurons in the optic tectum of rainbow trout
Published in Journal of comparative neurology (1911) (01-12-2006)“…The efferent connections and axonal and dendritic morphologies of periventricular neurons were examined in the optic tectum of rainbow trout to classify…”
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5
Effects of salmon GnRH and sex steroid hormones on expression of genes encoding growth hormone/prolactin/somatolactin family hormones and a pituitary-specific transcription factor in masu salmon pituitary cells in vitro
Published in General and comparative endocrinology (01-09-2005)“…Expression of genes encoding growth hormone (GH), prolactin (PRL), and somatolactin (SL) in growing and maturing salmon was stimulated by…”
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6
Determination of the exact copy numbers of particular mRNAs in a single cell by quantitative real-time RT-PCR
Published in Journal of experimental biology (01-06-2005)“…Gene expression is differently regulated in every cell even though the cells are included in the same tissue. For this reason, we need to measure the amount of…”
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7
Expression of GnRH genes is elevated in discrete brain loci of chum salmon before initiation of homing behavior and during spawning migration
Published in General and comparative endocrinology (15-09-2010)“…Abstract Our previous studies suggested the importance of gonadotropin-releasing hormones (GnRHs) for initiation of spawning migration of chum salmon, although…”
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Changes in the plasma levels of insulin-like growth factor-I from the onset of spawning migration through upstream migration in chum salmon
Published in General and comparative endocrinology (15-01-2010)“…Abstract An increase in activity of the pituitary–gonadal axis (PG-axis) and gonadal development are essential for the onset of spawning migration of chum…”
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9
Genetic Stock Identification of Chum Salmon in the Bering Sea and North Pacific Ocean Using Mitochondrial DNA Microarray
Published in Marine biotechnology (New York, N.Y.) (01-03-2007)“…A newly developed DNA microarray was applied to identify mitochondrial (mt) DNA haplotypes of more than 2200 chum salmon in the Bering Sea and North Pacific…”
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10
Expression of hormone genes and osmoregulation in homing chum salmon: A minireview
Published in General and comparative endocrinology (01-06-2007)“…Abstract Pacific salmon migrate from ocean through the natal river for spawning. Information on expression of genes encoding osmoregulatory hormones and…”
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11
Five different types of putative GnRH receptor gene are expressed in the brain of masu salmon (Oncorhynchus masou)
Published in Zoological science (01-09-2003)“…Recent studies have shown that there are multiple genes encoding gonadotropin-releasing hormone receptor (GnRH-R) in single species. In salmonids, however,…”
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12
Activity of the pituitary-gonadal axis is increased prior to the onset of spawning migration of chum salmon
Published in Journal of experimental biology (01-01-2009)“…The activity of the pituitary-gonadal axis (PG axis) in pre-migratory and homing chum salmon was examined because endocrine mechanisms underlying the onset of…”
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13
Effects of insulin-like growth factor I on GnRH-induced gonadotropin subunit gene expressions in masu salmon pituitary cells at different stages of sexual maturation
Published in General and comparative endocrinology (01-10-2006)“…Effects of insulin-like growth factor I (IGF-I) and salmon gonadotropin-releasing hormone (sGnRH) on expression of gonadotropin (GTH) subunit genes were…”
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14
Stimulatory effects of insulin-like growth factor 1 on expression of gonadotropin subunit genes and release of follicle-stimulating hormone and luteinizing hormone in masu salmon pituitary cells early in gametogenesis
Published in Zoological science (01-01-2008)“…Insulin-like growth factor-I (IGF-I) has been shown to be involved in pubertal activation of gonadotropin (GTH) secretion. The aim of this study was to…”
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15
Genetic Population Structure of Chum Salmon in the Pacific Rim Inferred from Mitochondrial DNA Sequence Variation
Published in Environmental biology of fishes (01-03-2004)“…We examined the genetic population structure of chum salmon, Oncorhynchus keta, in the Pacific Rim using mitochondrial (mt) DNA analysis. Nucleotide sequence…”
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16
Seasonal changes of responses to gonadotropin-releasing hormone analog in expression of growth hormone/prolactin/somatolactin genes in the pituitary of masu salmon
Published in General and comparative endocrinology (2003)“…Gonadotropin-releasing hormone (GnRH) is considered to stimulate secretion of growth hormone (GH), prolactin (PRL), and somatolactin (SL) at particular stages…”
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17
Nonrandom distribution of chum salmon stocks in the Bering Sea and the North Pacific Ocean estimated using mitochondrial DNA microarray
Published in Fisheries science (01-04-2009)“…More than 1,000 age-identified chum salmon Oncorhynchus keta collected at 23 stations in the Bering Sea and the North Pacific Ocean in June to July 2003 were…”
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18
Retinotectal transmission in the optic tectum of rainbow trout
Published in Journal of comparative neurology (1911) (04-04-2005)“…Retinotectal transmission has not yet been well characterized at the cellular level in the optic tectum. To address this issue, we used a teleost, the rainbow…”
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Distribution and function of gonadotropin-releasing hormone (GnRH) in the teleost brain
Published in Zoological science (01-02-1997)Get more information
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20
Long-term potentiation in the optic tectum of rainbow trout
Published in Neuroscience letters (11-11-2004)“…We examined synaptic plasticity in the optic tectum of rainbow trout by extracellular recordings. We found that the field-excitatory postsynaptic potential in…”
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