Role of gonadotrophin releasing hormone baseline concentrations in the control of pituitary gonadotrophin and ovarian steroid secretion in the pseudopregnant rat

Human Reproduction

Volumn 11, Issue 1, 1996, Pages 13-18

  Schuiling, G A ^a   Valkhof, N ^a   Koiter, T R ^a  

^a UNIVERSITY OF GRONINGEN   (Netherlands)

Author keywords

GnRh baseline concentrations; GnRh responsiveness; Oestradiol; Ovulatory cycle; Pseudopregnancy

Indexed keywords

ESTRADIOL; ESTROGEN; FOLLITROPIN; GONADORELIN; GONADOTROPIN; LUTEINIZING HORMONE; PROGESTERONE;

ANIMAL EXPERIMENT; ARTICLE; CONTROLLED STUDY; DOSE RESPONSE; ESTROGEN BLOOD LEVEL; FEMALE; FOLLICULAR PHASE; FOLLITROPIN BLOOD LEVEL; GONADOTROPIN RELEASE; HORMONE BLOOD LEVEL; HYPOPHYSIS FUNCTION; INTRAVENOUS DRUG ADMINISTRATION; LUTEAL PHASE; LUTEINIZING HORMONE BLOOD LEVEL; NONHUMAN; OVARY FUNCTION; PROGESTERONE BLOOD LEVEL; PSEUDOPREGNANCY; RAT; STEROID RELEASE; SUBCUTANEOUS DRUG ADMINISTRATION;

ANIMALIA;

EID: 0030049371     PISSN: 02681161     EISSN: None     Source Type: Journal    
DOI: 10.1093/oxfordjournals.humrep.a019005     Document Type: Article

References (28)

1. Barkan, A.L., Reame, N.E., Kelch, R.P. and Marshall, J.C. (1985) Idiopathic hypogonadotrophic hypogonadism in men. dependence of the hormone responses to gonadotrophin-releasing hormone (GnRH) on the magnitude of the endogenous secretory defect. J. Clin. Endocrinol. Metab., 61, 1118-1125.
2. Bartosik, D. and Szarowski, D. (1973) Progravid phase of the rat reproductive cycle, day to day changes in peripheral plasma progestin concentrations. Endocrinology, 92, 949-952.
3. Berga, S.L. (1994) Neuroendocrine regulation in polycycstic ovary syndrome. In Schats, R. and Schoemaker, R. (eds), Ovarian Endocrinoparhies. Proceedings of the 8th Reinier de Graaf Symposium, Amsterdam, The Netherlands, pp. 157-168.
4. Clarke, I.J. (1991) Exactitude in the relationship between GnRH and LH secretion. In Crowley, W.E Jr and Conn, P.M. (eds), Symposium on Modes of Action of GnRH and GnRH Analogs, pp. 179-192.
5. Clarke, I.J. and Cummins, J.T. (1982) The temporal relationship between gonadotrophin releasing hormone (GnRH) and luteinizing hormone (LH) secretion in ovariectomized ewes. Endocrinology, 111, 1737-1739.
6. Greef. W.J. de, Koning, J. de, Tijssen, A.M.I, and Karels, B (1986) Levels of LH-releasing hormone in hypophysial stalk plasma during an oestrogenstimulated surge of LH in ovariectomized rats. J. Endocrinol., 112, 351-359.
7. Harwood, J.P., Clayton, R.N. and Catt K.J. (1980a) Ovarian gonadotrophin-releasing hormone concentrations. I. Properties and inhibition of luteal cell function. Endocrinology, 107, 407-413.
8. Harwood. J.P., Clayton, R.N., Chen. Th.T. and Catt K.J. (1980b) Ovarian gonadotrophin-releasing hormone levels. II. Regulation and effects on ovarian development. Endocrinology, 107, 414-421.
9. Jong. F.H. de. Baird. D.T. and Molen, H.J. van der (1974) Ovarian secretion rates of oestrogen, androgens and progesterone in normal women and in women with persistent ovarian follicles. Acta Endocrinol. (Copenh.). 77, 575-587.
10. Jurjens, H., Pratt. J.J. and Woldring, M.G. (1975) Radioimmunoassay of plasma oestradiol without extraction and chromatography. J. Clin. Endocrinol. Metab., 40, 19-25
11. Koiter, T.R., Pols-Valkhof, N. and Schuiling, G.A. (1979) LH-secretory responses caused by continuous infusion of LH-RH in pseudopregnant rats. Acta Endocrinol. (Copenh.), 92, 28-45.
12. Koiter, T.R., Schaaf-Verdonk. G.C.J. Van der. and Schuiling, G.A (1991) Effects of luteolysis during late pregnancy on pituitary responsiveness to gonadotrophin-releasing hormone in the rat. J. Endocrinol., 128. 411-418.
13. Lachelin, G.C.L. and Yen, S.S.M. (1978) Hypothalamic chronic anovulation. Am. J. Obstet. Cynecol., 130, 825-831.
14. Lincoln, D.W., Fraser, H.M., Lincoln, G.A., Martin, G.B. and McNeilly. A S. (1985) Hypothalamic Pulse Generators. Rec Progr. Horm Res, 41, 369-419.
15. McLachlan, R.I., Cohen, N.L., Vale, W.W., Rivier, J.E., Burger, H G et at., (1989) The importance of luteinizing hormone in the control of mhibm and progesterone secretion by the human corpus luteum. J. Clin. Endocrinol. Metab., 68, 1078-1085.
16. Mon. H., Ohkawa, T., Takada, S., Monta, T., Yago. N. et al. (1994) Effects of gonadotrophin-releasing hormone agonist on steroidogenesis in the rat ovary. Harm. Res., 41, 14-21
17. Phillips, D.J., Cummins, J.T. and Clarke, I.J. (1990) Effects of modifying gonadotrophin releasing hormone input before and after the oestrogenInduced LH surge in ovariectomized ewes with hypothalamo-pitutary disconnection. J. Endocrinology, 127, 223-233
18. Rothchild, I. (1965) Interrelations between progesterone and the ovary, pituitary and central nervous system in the control of ovulation and the regulation of progesterone secretion. Vitams Horm, 23, 209-327.
19. Sarkar, O.K., Chiappa. S.A., Sherwood, N.M., and Fink, G. (1976) Gonadotropin-releasing hormone surge in pro-oestrous rats. Nature. 264, 461-463.
20. Schuiling, G.A., Gugten, A.A. van der, Pols-Valkhof, N., and Koiter. T.R. (1985) Progesterone and the control of functional luteolysis, of secretion of prolactin and of pituitary LHRH responsiveness. A study with pseudopregnant rats kept in alternating and constant lighting conditions. Neuroendocrinology, 41, 52-59.
21. Schuling, G.A., Pols-Valkhof, N. and Koiter, T.R. (1987) Plasma gonadotrophin concentrations, pituitary gonadotrophin content and pituitary responsiveness to LHRH in rats treated with LHRH and oestradiol benzoate. J. Endocrinol., 115, 469-475.
22. Schuiling, G.A., Valkhof. N., Koiter, T.R. and Lappohn, R.E. (1990) Differential effect of estrogen on pituitary responsiveness to GnRH m women with different forms of hypothalamic amenorrhea. Acta Endocrinol., 122, 651-655.
23. Schuiling, G.A., Koiter, T.R. and Moes, H. (1991) Effect of in vivo pretreatment with oestradiol and either GnRH, GnRH agonistic analog or GnRH antagonistic analog on GnRH-stimulated secretion of LH in vitro. Experientia, 41, 716-718.
24. Smith, M.S., Freeman, M.E. and Neill, J.D. (1975) The control of progesterone secretion during the estrous cycle and early pseudopregnancy in the rat: prolactin, gonadotrophin and steroid levels associated with rescue of the corpus luteum of pseudopregnancy. Endocrinology, 96, 219-226.
25. Spratt, D.I., Catt, D.H., Merriam, G.R., Scully, R E., Rao, P.N. and Crowley. W.F. (1987) The spectrum of abnormal patterns of gonadotrophin releasing hormone (GnRH) secretion in men with idiopathic hypogonadotrophic hypogonadism, clinical and laboratory correlations. J. Clin Endocrinol. Metab., 64, 283-291.
26. Tukey, J.W. (1951) Quick and dirty methods in statistics, part II. Simple analysis for standard designs. Proceedings of 5th American Conventron: American Society for Quality Control, pp. 189-197.
27. Welschen, R., Osman, P., Dullaart, J., de Greef, J., Uilenbroek, J.Th.J. and de Jong, F.H. (1975) Levels of follicle stimulating hormone, luteinizing hormone, oestradiol-17β and progesterone and follicular growth in the pseudopregnant rat. J. Endocrino., 64, 37-17.
28. Wickings, E.J., Eidne, K.A., Dixson, A.F and Hillier, S.G. (1990) Gonadotropin-relieasing hormone analogs inhibit primate granulosa cell steroidoaenesis via a mechanism distinct from that in the rat. Biol. Repor. 43, 305-311.