GnRH stimulates LH release directly via inositol phosphate and indirectly via cAMP in African catfish

American Journal of Physiology - Regulatory Integrative and Comparative Physiology

Volumn 278, Issue 6 47-6, 2000, Pages

  Rebers, Frank E M ^a   Bosma, Peter T ^b   Van Dijk, Wytske ^a   Goos, Henk J T ^a   Schulz, Rüdiger W ^a  

^a UTRECHT UNIVERSITY   (Netherlands)

^b JOSEPHINE NEFKENS INSTITUTE   (Netherlands)

Author keywords

Gonadotropin releasing hormone neurons; Hormone secretion; Luteinizing hormone; Pituitary gonadotrophs; Second messengers

Indexed keywords

CALCIUM; CYCLIC AMP; FORSKOLIN; GONADORELIN; GONADORELIN RECEPTOR; GONADOTROPIN; INOSITOL PHOSPHATE; LUTEINIZING HORMONE;

ANIMAL CELL; ANIMAL TISSUE; ARTICLE; CALCIUM CELL LEVEL; CALCIUM SIGNALING; CATFISH; CONCENTRATION RESPONSE; CONTROLLED STUDY; GONADOTROPIN SECRETING CELL; HORMONAL REGULATION; HYPOPHYSIS; HYPOPHYSIS CELL; LUTEINIZING HORMONE RELEASE; MALE; NERVE ENDING; NONHUMAN; PRIORITY JOURNAL; SECOND MESSENGER; SIGNAL TRANSDUCTION;

EID: 0033932146     PISSN: 03636119     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpregu.2000.278.6.r1572     Document Type: Article

References (40)

1. Andersen L, Mcgregor A, Cook JV, Chilvers E, and Eidne KA. Rapid desensitization of GnRH-stimulated intracellular signaling events in αT3-1 and HEK-293 cells expressing the GnRH receptor. Endocrinology 136: 5228-5231, 1995.
2. Bosma PT, Kolk SM, Rebers FEM, Lescroart O, Roelants I, Willems PHGM, and Schulz RW. Gonadotrophs but not somatotrophs carry gonadotropin-releasing hormone receptors: receptor localisation, intracellular calcium, and gonadotropin and GH release. J Endocrinol 152: 437-446, 1997.
3. Bosma PT, van Dijk W, van Haren SF, Kolk SM, Lescroart O, Schulz RW, Terlou M, and Goos Th HJ. GnRH receptors are restricted to gonadotropes in male African catfish. In: Proceedings of the Fifth International Symposium on the Reproductive Physiology of Fish, edited by Goetz FW and Thomas P. Austin, TX: Fish Symposium 95, 1995, p. 55-57.
4. Cassina P, Sellers J, and Neill JD. Effect of cAMP on GnRH-stimulated LH secretion from individual pituitary gonadotropes. Mol Cell Endocrinol 114: 127-135, 1995.
5. Chang JP, Garofalo R, and Neumann CM. Differences in the acute actions of sGnRH and cGnRH-II on gonadotropin release in goldfish pituitary cells. Gen Comp Endocrinol 100: 339-354, 1995.
6. Chang JP, Wong AOL, van der Kraak G, and Vangoor F. Relationship between cyclic AMP-stimulated and native gonadotropin-releasing hormone-stimulated gonadotropin release in the goldfish. Gen Comp Endocrinol 86: 359-377, 1992.
7. Conn PM, Morrell DV, Dufau ML, and Kevin J. Gonadotropin-releasing hormone action in cultured pituicytes: independence of luteinizing hormone release and adenosine 3′,5′-monophosphate production. Endocrinology 104: 448-453, 1979.
8. Cook H, Berkenbosch JW, Fernhout MJ, Yu KL, Peter RE, Chang JP, and Rivier JE. Demonstration of gonadotropinreleasing hormone receptors on gonadotrophs and somatotrophs of the goldfish: an electron microscope study. Regul Pept 36: 369-378, 1991.
9. Delahaye R, Manna PR, Berault A, Berreur-Bonnenfant J, Berreur P, and Counis R. Rat gonadotropin-releasing hormone receptor expressed in insect cells induces activation of adenylyl cyclase. Mol Cell Endocrinol 135: 119-127, 1997.
10. De Leeuw R, Goos HJ Th, Peute J, van Pelt AMM, Burzawa-Gérard E, and van Oordt PGWJ. Isolation of gonadotrops from the pituitary of the African catfish, Clarias lazera. Morphological and physiological characterization of the purified cells. Cell Tissue Res 236: 669-675, 1984.
11. De Leeuw R, Resink JW, Rooyakkers EJM, and Goos HJ Th. Pimozide modulates the luteinizing hormone-releasing hormone effect on gonadotropin release in the African catfish, Clarias lazera. Gen Comp Endocrinol 58: 120-127, 1985.
12. Goos HJT, Bosma PT, Bogerd J, Tensen CP, Li KW, Zandbergen MA, and Schulz RW. Gonadotropin-releasing hormones in the African catfish: molecular forms, localization, potency and receptors. Fish Physiol Biochem 17: 45-51, 1997.
13. Janovick JA and Conn PM. Gonadotropin-releasing hormone (GnRH)-receptor coupling to inositol phosphate and prolactin production in GH(3) cells stably transfected with rat GnRH receptor complementary deoxyribonucleic acid. Endocrinology 135: 2214-2219, 1994.
14. Jobin RM and 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 55: 156-166, 1992.
15. Jobin RM, Vangoor F, Neumann CM, and Chang JP. Interactions between signaling pathways in mediating GnRH-stimulated GTH release from goldfish pituitary cells: protein kinase C, but not cyclic AMP is an important mediator of GnRH-stimulated gonadotropin secretion in goldfish. Gen Comp Endocrinol 102: 327-341, 1996.
16. Kaiser UB, Conn PM, and Chin WW. Studies of gonadotropin-releasing hormone (GnRH) action using GnRH receptor-expressing pituitary cell lines. Endocr Rev 18: 46-70, 1997.
17. King JA, Steneveld AA, Curlewis JD, Rissman EF, and Millar RP. Identification of chicken GnRH II in brains of metatherian and early-evolved eutherian species of mammals. Regul Pept 54: 467-477, 1994.
18. Krsmanovic LZ, Stojilkovic SS, Mertz LM, Tomic M, and Catt KJ. Expression of gonadotropin-releasing hormone receptors and autocrine regulation of neuropeptide release in immortalized hypothalamic neurons. Proc Natl Acad Sci USA 90: 3908-3912, 1993.
19. Kuphal D, Janovick JA, Kaiser UB, Chin WW, and Conn PM. Stable transfection of GH3 cells with rat gonadotropin-releasing hormone receptor complementary deoxyribonucleic acid results in expression of a receptor coupled to cyclic adenosine 3′,5′-monophosphate-dependent prolactin release via a G-protein. Endocrinology 135: 315-320, 1994.
20. Lescroart O, Roelants I, Mikolajczyk T, Bosma PT, Schulz RW, Kuhn ER, and Ollevier F. A radioimmunoassay for African catfish growth hormone: validation and effects of substances modulating the release of growth hormone. Gen Comp Endocrinol 104: 147-155, 1996.
21. Levavi-Sivan B and Yaron Z. Involvement of cyclic adenosine monophosphate in the stimulation of gonadotropin secretion from the pituitary of the teleost fish, tilapia. Mol Cell Endocrinol 85: 175-182, 1992.
22. Levavi-Sivan B and Yaron Z. Intracellular mediation of GnRH action on GTH release in Tilapia. Fish Physiol Biochem 11: 51-59, 1993.
23. McArdle CA. Pituitary adenylate cyclase-activating polypeptide: a key player in reproduction? Endocrinology 135: 815-817, 1994.
24. 6 GnRH agonists on COS-1 cells transfected with the human GnRH receptor. In: Advances in Comparative Endocrinology, edited by Kawashima S and Kikuyama S. Bologna, Italy: Monduzzi Editore, 1997, p. 559-562.
25. Mollard P and Kah O. Spontaneous and gonadotropin-releasing hormone-stimulated cytosolic calcium rises in individual goldfish gonadotrophs. Cell Calcium 20: 415-424, 1996.
26. Norstedt C and Fredholm BB. A modification of a protein-binding method for rapid quantification of cAMP in cell-culture supernatants and body fluid. Anal Biochem 189: 231-234, 1990.
27. Powell JFF, Zohar Y, Elizur A, Park M, Fischer WH, Craig AG, Rivier JE, Lovejoy DA, and Sherwood NM. Three forms of gonadotropin-releasing hormone characterized from brains of one species. Proc Natl Acad Sci USA 91: 12081-12085, 1994.
28. Rawlings SR. PACAP, PACAP receptors, and intracellular signalling. Mol Cell Endocrinol 101: C5-C9, 1994.
29. Schulz RW, Bosma PT, Zandbergen MA, van der Sanden MCA, van Dijk W, Peute J, Bogerd J, and Goos HJ Th. Two gonadotropin-releasing hormones in the African catfish, Clarias gariepinus-localization, pituitary receptor binding, and gonadotropin release activity. Endocrinology 133: 1569-1577, 1993.
30. Schulz RW, Renes IB, Zandbergen MA, van Dijk W, Peute J, and Goos HJ Th. Pubertal development of male African catfish (Clarias gariepinus). Pituitary ultrastructure and responsiveness to gonadotropin-releasing hormone. Biol Reprod 53: 940-950, 1995.
31. Sealfon SC, Weinstein H, and Millar RP. Molecular mechanisms of ligand interaction with the gonadotropin-releasing hormone receptor. Endocr Rev 18: 180-205, 1997.
32. Stanislaus D, Arora V, Awara WM, and Conn PM. Biphasic action of cyclic adenosine 3′,5′-monophosphate gonadotropin-releasing hormone (GnRH) analog-stimulated hormone release from GH(3) cells stably transfected with GnRH receptor complementary deoxyribonucleic acid. Endocrinology 137: 1025-1031, 1996.
33. Stojilkovic SS and Catt KJ. Expression and signal transduction pathways of gonadotropin-releasing hormone receptors. Recent Prog Horm Res 50: 161-205, 1995.
34. i oscillations in pituitary gonadotrophs. J Biol Chem 268: 7713-7720, 1993.
35. Stojilkovic SS and Tomic M. GnRH-induced calcium and current oscillations in gonadotrophs. Trends Endocrinol Metab 7: 379-384, 1996.
36. Tensen C, Okuzawa K, Blomenrohr M, Rebers F, Leurs R, Bogerd J, Schulz R, and Goos H. Distinct efficacies for two endogenous ligands on a single cognate gonadoliberin receptor. Eur J Biochem 243: 134-140, 1997.
37. Van Asselt LAC, Goos HJ Th, Smit-van Dijk W, Braas J, Roozendaal M, and van Oordt PGWJ. The involvement of calcium and cyclic AMP in gonadotropin secretion in the African catfish, Clarias gariepinus (Abstract). Gen Comp Endocrinol 74: 297, 1989.
38. Van Asselt LAC, Goos HJ Th, van Dijk W, and Braas J. Role of calcium ions in action of gonadotropin-releasing hormone on gonadotropin secretion in the African catfish, Clarias gariepinus. Gen Comp Endocrinol 76: 46-52, 1989.
39. Wong AO, Vangoor F, Jobin RM, Neumann CM, and Chang JP. Interactions of cyclic adenosine 3′,5′-monophosphate, protein kinase-C, and calcium in dopamine- and gonadotropin-releasing hormone-stimulated growth hormone release in the goldfish. Endocrinology 135: 1593-1604, 1994.
40. Zandbergen MA, Kah O, Bogerd J, Peute J, and Goos HJ Th. Expression and distribution of two gonadotropin-releasing hormones in the catfish brain. Neuroendocrinology 62: 571-578, 1995.