نتایج جستجو برای: carp pituitary extract cpe
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Pituitary hormones can act locally via autocrine/paracrine mechanisms to modulate pituitary functions, which represents an interesting aspect of pituitary regulation other than the traditional hypothalamic input and feedback signals from the periphery. Somatolactin, a member of the growth hormone (GH)/prolactin (PL) family, is a pleiotropic hormone with diverse functions, but its pituitary acti...
Wang X, Chu MM, Wong AO. Signaling mechanisms for 2-adrenergic inhibition of PACAP-induced growth hormone secretion and gene expression grass carp pituitary cells. Am J Physiol Endocrinol Metab 292: E1750 –E1762, 2007. First published February 20, 2007; doi:10.1152/ajpendo.00001.2007.—Pituitary adenylate cyclase-activating polypeptide (PACAP) is a potent growth hormone (GH)-releasing factor in ...
Jiang Q, Ko WK, Lerner EA, Chan KM, Wong AO. Grass carp somatolactin: I. Evidence for PACAP induction of somatolactinand gene expression via activation of pituitary PAC-I receptors. Am J Physiol Endocrinol Metab 295: E463–E476, 2008. First published June 3, 2008; doi:10.1152/ajpendo.90385.2008.—Somatolactin (SL), the latest member of the growth hormone/prolactin family, is a novel pituitary hor...
in this study, five carp pituitary glands were collected and dispersed enzymatically and mechanically.then, the cells were cultivated as monolayer in mem (minimum essential medium eagle). the culture mediawere collected after 72 h and frozen at -20°c. carp ovarian follicles also were separated mechanically andincubated in bss (basic salt solution) cortland medium in 24-well microplates for 48 h...
An Ussuri catfish Pseudobagrus ussuriensis skin (UCS) cell line was developed and subcultured for more than 60 passages. UCS cells consisted of mostly epithelial-like cells and multiplied well in TC199 medium supplemented with 10% fetal bovine serum at 25°C. Chromosome analysis revealed that most UCS cells had a normal diploid karyotype with 2n=52. UCS cells showed differential cytopathic effec...
A proposed mechanism for sorting secretory proteins into granules for release via the regulated secretory pathway in endocrine-neuroendocrine cells involves binding the proteins to a sorting receptor at the trans-Golgi network, followed by budding and granule formation. We have identified such a sorting receptor as membrane-associated carboxypeptidase E (CPE) in pituitary Golgi-enriched and sec...
The growth hormone secretagogue-receptor (GHS-R) is an endogenous receptor for the gut hormone ghrelin. Here we report the identification and characterization of GHS-R1a in grass carp, Ctenopharyngodon idellus. The full-length GHS-R1a cDNA contained a 1803-bp coding domain sequence which encoded a peptide of 360 amino acid residues. Comparison analysis revealed that the amino acid sequences of ...
In our previous study, NKB/NK3R system has been shown to act at the pituitary level to up-regulate SLα synthesis and secretion in grass carp. However, whether NK3R expression can serve as a regulatory target at the pituitary level and contribute to NKB interactions with other SLα regulators is still unclear. In current study, using grass carp pituitary cells as a model, we have a novel finding ...
Growth and reproduction are closely related. Growth hormone (GH)-transgenic common carp exhibit accelerated growth and delayed reproductive development, which provides an amenable model to study hormone cross talk between the growth and reproductive axes. We analyzed the energy status and reproductive development in GH-transgenic common carp by using multi-tissue RNA sequencing, real-time-PCR, ...
Pituitary adenylate cyclase-activating polypeptide (PACAP) is a potent growth hormone (GH)-releasing factor in lower vertebrates. However, its functional interactions with other GH regulators have not been fully characterized. In fish models, norepinephrine (NE) inhibits GH release at the pituitary cell level, but its effects on GH synthesis have yet to be determined. We examined adrenergic inh...
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