Three native somatostatin isoforms differentially affect membrane voltage-sensitive ion currents in goldfish somatotrophs

Journal of Neuroendocrinology

Volumn 23, Issue 1, 2011, Pages 82-93

  Yu, Y ^a   Ali, D W ^a   Chang, J P ^a  

^a UNIVERSITY OF ALBERTA   (Canada)

Author keywords

Basal GH secretion; Evoked action potential firing; Intracellular Ca 2+ concentrations; Patch clamp electrophysiological recordings; Voltage sensitive ion channels

Indexed keywords

AMPHOTERICIN B; BARIUM ION; CALCIUM CHANNEL; GROWTH HORMONE; POTASSIUM CHANNEL; SODIUM CHANNEL; SOMATOSTATIN 14; SOMATOSTATIN 28;

ANIMAL CELL; ARTICLE; BRAIN ELECTROPHYSIOLOGY; CALCIUM CELL LEVEL; EVOKED RESPONSE; FEMALE; GOLDFISH; GROWTH HORMONE RELEASE; GROWTH HORMONE SECRETING CELL; HORMONE RESPONSE; ION CURRENT; MALE; MEMBRANE POTENTIAL; NONHUMAN; PATCH CLAMP; PRIORITY JOURNAL;

ANIMALS; FEMALE; GOLDFISH; MALE; MEMBRANE POTENTIALS; PATCH-CLAMP TECHNIQUES; PROTEIN ISOFORMS; SOMATOSTATIN; SOMATOTROPHS;

EID: 78650083087     PISSN: 09538194     EISSN: 13652826     Source Type: Journal    
DOI: 10.1111/j.1365-2826.2010.02073.x     Document Type: Article

References (54)

1. Gahete MD, Duran-Prado M, Luque RM, Martinez-Fuentes AJ, Quintero A, Gutierrez-Pascual E, Cordoba-Chacon J, Malagon MM, Gracia-Navarro F, Castano JP. Understanding the multifactorial control of growth hormone release by somatotropes: lessons from comparative endocrinology. Ann NY Acad Sci 2009; 1163: 137-153.
2. Tostivint H, Lihrmann I, Vaudry H. New insight into the molecular evolution of the somatostatin family. Mol Cell Endocrinol 2008; 286: 5-17.
3. Canosa LF, Chang JP, Peter RE. Neuroendocrine control of growth hormone in fish. Gen Comp Endocrinol 2007; 151: 1-26.
4. Klein SE, Sheridan MA. Somatostatin signaling and the regulation of growth and metabolism in fish. Mol Cell Endocrinol 2008; 286: 148-154.
5. Lin X, Otto CJ, Peter RE. Expression of three distinct somatostatin messenger ribonucleic acids (mRNAs) in goldfish brain: characterization of the complementary deoxyribonucleic acids, distribution and seasonal variation of the mRNAs, and action of a somatostatin-14 variant. Endocrinology 1999; 140: 2089-2099.
6. Yunker WK, Smith S, Graves C, Davis PJ, Unniappan S, Rivier JE, Peter RE, Chang JP. Endogenous hypothalamic somatostatins differentially regulate growth hormone secretion from goldfish pituitary somatotropes in vitro. Endocrinology 2003; 144: 4031-4041.
7. Lin X, Janovick JA, Cardenas R, Conn PM, Peter RE. Molecular cloning and expression of a type-two somatostatin receptor in goldfish brain and pituitary. Mol Cell Endocrinol 2000; 166: 75-87.
8. Lin X, Nunn C, Hoyer D, Rivier J, Peter RE. Identification and characterization of a type five-like somatostatin receptor in goldfish pituitary. Mol Cell Endocrinol 2002; 189: 105-116.
9. Nunn C, Feuerbach D, Lin X, Peter R, Hoyer D. Pharmacological characterisation of the goldfish somatostatin sst5 receptor. Eur J Pharmacol 2002; 436: 173-186.
10. 2+ concentration and growth hormone (GH) release from purified rat somatotrophs. III. Mechanism of action of GH-releasing factor and somatostatin. Endocrinology 1991; 128: 592-603.
11. Van Goor F, Zivadinovic D, Stojilkovic SS. Differential expression of ionic channels in rat anterior pituitary cells. Mol Endocrinol 2001; 15: 1222-1236.
12. + channels through protein dephosphorylation. Nature 1991; 351: 570-573.
13. Meucci O, Landolfi E, Scorziello A, Grimaldi M, Ventra C, Florio T, Avallone A, Schettini G. Dopamine and somatostatin inhibition of prolactin secretion from MMQ pituitary cells: role of adenosine triphosphate-sensitive potassium channels. Endocrinology 1992; 131: 942-947.
14. + currents in GH3 cells through activation of multiple somatostatin receptors. Endocrinology 2005; 146: 4975-4984.
15. 2+ currents in GH3 cells through activation of somatostatin receptor 2. Am J Physiol Endocrinol Metab 2007; 292: E1863-E1870.
16. Fujii Y, Gonoi T, Yamada Y, Chihara K, Inagaki N, Seino S. Somatostatin receptor subtype SSTR2 mediates the inhibition of high-voltage-activated calcium channels by somatostatin and its analogue SMS 201-995. FEBS Lett 1994; 355: 117-120.
17. 2+ influx. Endocrinology 1991; 128: 583-591.
18. + currents in ovine pituitary somatotrophs. Clin Exp Pharmacol Physiol 1997; 24: 639-645.
19. Chen C, Zhang J, Vincent JD, Israel JM. Sodium and calcium currents in action potentials of rat somatotrophs: their possible functions in growth hormone secretion. Life Sci 1990; 46: 983-989.
20. + conductance in freshly dispersed rat somatotrophs. J Physiol 1991; 441: 615-637.
21. Chang JP, Van Goor F, Wong AO, Jobin RM, Neumann CM. Signal transduction pathways in GnRH- and dopamine D1-stimulated growth hormone secretion in the goldfish. Chin J Physiol 1994; 37: 111-127.
22. Van Goor F, Goldberg JI, Chang JP. Extracellular sodium dependence of GnRH-stimulated growth hormone release in goldfish pituitary cells. J Neuroendocrinol 1997; 9: 207-216.
23. Chang JP, Cook H, Freedman GL, Wiggs AJ, Somoza GM, de Leeuw R, Peter RE. Use of a pituitary cell dispersion method and primary culture system for the studies of gonadotropin-releasing hormone action in the goldfish, Carassius auratus. I. Initial morphological, static, and cell column perifusion studies. Gen Comp Endocrinol 1990; 77: 256-273.
24. Van Goor F, Goldberg JI, Jobin RM, Wong AOL, Chang JP. Morphological identification of live gonadotropin, growth hormone and prolactin cells in goldfish (Carassius auratus) pituitary-cell cultures. Cell Tissue Res 1994; 276: 253-261.
25. 2+ and PKC signaling to reduce gonadotropin-releasing hormone-stimulated GH secretion in goldfish pituitary cells. Gen Comp Endocrinol 2008; 159: 58-66.
26. Van Goor F, Goldberg JI, Chang JP. Electrical membrane properties and ionic currents in cultured goldfish gonadotrophs. Can J Physiol Pharmacol 1996; 74: 729-743.
27. Marchant TA, Fraser RA, Andrews PC, Peter RE. The influence of mammalian and teleost somatostatins on the secretion of growth hormone from goldfish (Carassius auratus L.) pituitary fragments in vitro. Regul Pept 1987; 17: 41-52.
28. 2+ in goldfish brain somatostatin-28 inhibitory action on growth hormone release in goldfish. Gen Comp Endocrinol 2010; 168: 71-81.
29. + currents by somatostatin on cultured ovine somatotrophs. Am J Physiol 1998; 275: E278-E284.
30. Chen C, Heyward P, Zhang J, Wu D, Clarke IJ. Voltage-dependent potassium currents in ovine somatotrophs and their function in growth hormone secretion. Neuroendocrinology 1994; 59: 1-9.
31. Jobin RM, Chang JP. Differences in extracellular calcium involvement mediating the secretion of gonadotropin and growth hormone stimulated by two closely related endogenous GnRH peptides in goldfish pituitary cells. Neuroendocrinology 1992; 55: 156-166.
32. Wong AO, Van Goor F, Chang JP. Entry of extracellular calcium mediates dopamine D1-stimulated growth hormone release from goldfish pituitary cells. Gen Comp Endocrinol 1994; 94: 316-328.
33. + channels in frequency regulation of spontaneous action potentials in rat pituitary GH3 cells. Neuroendocrinology 2003; 78: 260-269.
34. Duerson K, White RE, Jiang F, Schonbrunn A, Armstrong DL. Somatostatin stimulates BKCa channels in rat pituitary tumor cells through lipoxygenase metabolites of arachidonic acid. Neuropharmacology 1996; 35: 949-961.
35. + currents in murine brain and endocrine cells. J Physiol 1997; 502: 559-567.
36. Chung S, Kaczmarek LK. Modulation of the inactivation of voltage-dependent potassium channels by cAMP. J Neurosci 1995; 15: 3927-3935.
37. Chen C, Zhang J, Vincent JD, Israel JM. Two types of voltage-dependent calcium current in rat somatotrophs are reduced by somatostatin. J Physiol 1990; 425: 29-42.
38. 2+ currents by somatostatin in cultured ovine somatotrophs. J Physiol 1996; 491: 21-29.
39. Jian K, Barhoumi R, Ko ML, Ko GY. Inhibitory effect of somatostatin-14 on L-type voltage-gated calcium channels in cultured cone photoreceptors requires intracellular calcium. J Neurophysiol 2009; 102: 1801-1810.
40. 2+-channels in murine pancreatic beta-cells are inhibited by an exclusive coupling with somatostatin receptor subtype 1. Endocrinology 2009; 150: 741-748.
41. Tedford HW, Zamponi GW. Direct G protein modulation of Cav2 calcium channels. Pharmacol Rev 2006; 58: 837-862.
42. Murakami Y, Tanaka J, Koshimura K, Kato Y. Involvement of tetrodotoxin-sensitive sodium channels in rat growth hormone secretion induced by pituitary adenylate cyclase-activating polypeptide (PACAP). Regul Pept 1998; 73: 119-121.
43. 2+ in pituitary cells. Am J Physiol Cell Physiol 2002; 282: C864-C872.
44. + current and protein kinase C in the action of growth hormone (GH)-releasing hormone on primary cultured somatotropes from GH-green fluorescent protein transgenic mice. Endocrinology 2008; 149: 4726-4735.
45. + current in the primary cultured rat somatotroph. Endocrinology 1997; 138: 5096-5100.
46. 2+ oscillations by anterior pituitary cells: a comparative overview. Neuroendocrinology 1998; 68: 135-151.
47. 2+ signaling-secretion coupling. Trends Endocrinol Metab 2005; 16: 152-159.
48. Tsaneva-Atanasova K, Sherman A, van Goor F, Stojilkovic SS. Mechanism of spontaneous and receptor-controlled electrical activity in pituitary somatotrophs: experiments and theory. J Neurophysiol 2007; 98: 131-144.
49. Kwiecien R, Robert C, Cannon R, Vigues S, Arnoux A, Kordon C, Hammond C. Endogenous pacemaker activity of rat tumour somatotrophs. J Physiol 1998; 508: 883-905.
50. Yunker WK, Chang JP. Somatostatin actions on a protein kinase C-dependent growth hormone secretagogue cascade. Mol Cell Endocrinol 2001; 175: 193-204.
51. Kawauchi H, Sower SA. The dawn and evolution of hormones in the adenohypophysis. Gen Comp Endocrinol 2006; 148: 3-14.
52. Levavi-Sivan B, Bloch CL, Gutnick MJ, Fleidervish IA. Electrotonic coupling in the anterior pituitary of a teleost fish. Endocrinology 2005; 146: 1048-1052.
53. 2+ currents sensitive to dihydropyridines. J Biol Chem 1994; 269: 25158-25164.
54. i2-dependent activation of calcineurin and depriming of secretory granules. J Physiol 2001; 535: 519-532.