Pituitary responsiveness to GnRH in lambs undernourished during fetal life

Animal Reproduction Science

Volumn 43, Issue 2-3, 1996, Pages 113-121

  Deligeorgis, S G ^a   Chadio, S ^a   Menegatos, J ^a  

^a AGRICULTURAL UNIVERSITY OF ATHENS   (Greece)

Author keywords

Lamb; LH; Pituitary activity; Undernourishment

Indexed keywords

EID: 0001079961     PISSN: 03784320     EISSN: None     Source Type: Journal    
DOI: 10.1016/0378-4320(96)01471-6     Document Type: Article

References (32)

1. Baron, G., Tertrin, C. and Jutisz, M.M., 1967. Dosage radioimmunologique de l'hormone luteinisante de mouton. C.R. Acad. Sci., Ser. D, 1: 2058-2061.
2. Borwick, S.C., Rhind, S.M. and McMillen, S.R., 1994. Hypothalamic and pituitary activity in prepubertal Scottish Blackface ewe lambs, undernourished before and after birth. Proc. 45th Annual Meeting of the European Association for Animal Production, 5-8 September 1994, Edinburgh, Abstract p. 278.
3. Brooks, A.N. and McNeily, A.S., 1992. Inhibitory effects of a luteinizing-hormone-releasing hormone agonist implant on ovine fetal gonadotrophin secretion and pituitary sensitivity to luteinizing-hormone-releasing hormone. J. Reprod. Fertil., 96: 785-792.
4. Cameron, J.L. and Nosbisch, C., 1991. Suppression of pulsatile luteinizing hormone and testosterone secretion during short-term food restriction in the adult male rhesus monkey (Macaca mulatta). Endocrinology, 128: 1532-1540.
5. Day, M.L., Imakawa, K., Zalensky, D.D., Kittock, R.J. and Kinder, J.E., 1986. Effects of restriction of dietary energy intake during the prepubertal period on secretion of luteinizing hormone and responsiveness of the pituitary to luteinizing hormone-releasing hormone in heifers. J.Anim. Sci., 62: 1641-1648.
6. Everitt, G.C., 1967. Prenatal development of uniparous animals, with particular reference to the influence of maternal nutrition in sheep. In: G.A. Lodge and G.E. Lamming (Editors), Growth and Development of Mammals. Butterworths, London, pp. 131-157.
7. Ford, J.T. and Klindt, J., 1989. Sexual differentiation and growth process. In: D.R. Campion, G.J. Housman and R.J. Marting (Editors), Animal Growth Regulation. Plenum, New York.
8. Foster, D.L., 1988. Puberty in the female sheep. In: E. Knobil and J. Neill (Editors), The Physiology of Reproduction. Raven, New York.
9. 131I-labelled human growth hormone of high specific radioactivity. Biochem. J., 89: 114-118.
10. Gunn, R.G., Sim, D.A. and Hunter, E.A., 1995. Effects of nutrition in utero and in early life on the subsequent lifetime reproductive performance of Scottish Blackface ewes in two management systems. Anim. Sci., 60: 223-230.
11. Horn, A.M. and Fink, G., 1985. Effects of 5-hydroxytrytamine uptake blockers on the release of LH and prolactin in several different experimental steroid models in the rat. J. Endocrinol., 104: 397-406.
12. Kalaisakis, P., 1982. Applied Animal Nutrition, 2nd edn. Agricultural University of Athens, Athens, 625 pp.
13. Kotsuji, F., Goto, K., Aso, T. and Tominaga, T., 1986. The influence of weight loss on reproductive function of female rat: Changes in estrous cycle and hypothalamo-pituitary-ovarian function during feed restriction and subsequent refeeding period. Acta Obstet. Gynaecol. Jpn., 38: 1713-1721.
14. Landefeld, T.D., Ebling, F.G.P., Suttie, J.M., Vannerson, L.A., Padmanabhan, V., Beitins, I.Z. and Foster, D.L., 1989. Metabolic interfaces between growth and reproduction. II. Characterization of changes in messenger ribonucleic acid concentrations of gonadotrophin subunits, growth hormone, and prolactin in nutritionally growth-limited lambs and the differential effects of increased nutrition. Endocrinology, 125: 351-356.
15. Levdiotis, M.L., Wintour, M., McKinley, M.J. and Oldfield, B.J., 1989. Hypothalamic-hypophyseal vascular connections in the fetal sheep. Neuroendocrinology, 49: 47-50.
16. Liggins, G.C. and Kennedy, P.C., 1968. Effects of electrocoagulation of the foetal lamb hypophysis on growth and development. J. Endocrinol., 40: 371-381.
17. Matwijiw, I., Shliveris, J.A. and Faiman, C., 1989. Hypothalamo-pituitary portal development in the ovine fetus. Biol. Reprod., 40: 1127-1130.
18. Mueller, P.L., Gluckman, D.P., Sklar, C.A., Kaplan, S.L., Rudolph, A.M. and Grumbach, M.M., 1978. The ontogeny of the pituitary response to LRF in the ovine fetus. Proc. 60th Annual Meeting of the Endocrine Society, Miami, FL, Abstract 196.
19. Mueller, P.L., Sklar, C.A., Gluckman, P.D., Kaplan, S.L. and Grumbach, M.M., 1981. Hormone ontogeny in the ovine fetus. IX. Luteinizing hormone and follicle-stimulating hormone response to luteinizing hormone-releasing factor in mid- and late gestation and in the neonate. Endocrinology, 108: 881-886.
20. 131I. Proc. Soc. Exp. Biol. Med., 128: 807-811.
21. Normand, M. and Fortier, C., 1970. Numerical versus analytical integration of hormonal disappearance data. Can. J. Physiol. Pharmacol., 48: 274-281.
22. Rhind, S.M., Martin, G.B., McMillen, S., Tsonis, C.G. and McNeilly, A.S., 1989. Effect of level of food intake of ewes on the secretion of LH and FSH and on the pituitary response to gonadotrophin-releasing hormone in ovariectomized ewes. J. Endocrinol., 121: 325-330.
23. Riggs, B.L. and Malven, P.V., 1974. Effects of intraventricular infusion of serotonin norepinephrine and dopamine on spontaneous LH release in castrated male sheep. Biol. Reprod., 11: 587-592.
24. SAS/STAT, 1990. Statistical Analysis Systems User's Guide, Version 6, 4th edn. SAS Institute Inc., Cary, NC.
25. Sisk, C.L. and Bronson, F.H., 1986. Effects of food restriction and restoration on gonadotropin and growth hormone secretion in immature male rats. Biol. Reprod., 35: 554.
26. Steiner, R.A., Cameron, J.L., McNeill, T.H., Clifton, D.K. and Bremner, W.J., 1983. Metabolic signals for the onset of puberty. In: R.L. Norman (Editor), Neuroendocrine Aspects of Reproduction. Academic Press, New York, p. 183.
27. Thomas, G.B., Mercer, J.E., Karalis, T., Rai, A., Cummins, J.T. and Clarke, I.J., 1990. Effect of restricted feeding on the concentrations of growth hormone (GH), gonadotrophins, and prolactin (PRL) in plasma, and on the amounts of messenger ribonucleic acid for GH, gonadotropin subunits, and PRL in the pituitary glands of adult ovariectomized ewes. Endocrinology, 126: 1361-1367.
28. Thomas, G.B., McNeilly, A.S. and Brooks, A.N., 1993. Development of gonadotrophs and thyrotrophs in the female fetal sheep pituitary: Immunocytochemical localisation studies. J. Neuroendocrinol., 5: 157-161.
29. Vitale, M.L., Parisi, M.N., Chiocchio, S.R. and Tramezzani, J.H., 1986. Serotonin induces gonadotrophin release through stimulation of LH-releasing hormone release from the median eminence. J. Endocrinol., 111: 309-315.
30. Weiner, R.I. and Ganong, W.F., 1978. Role of brain monoamines and histamine in regulation of anterior pituitary secretion. Physiol. Rev., 58: 906-976.
31. Wurtman, R.J., 1978. Effects of nutrients and circulating precursors on the synthesis of brain neurotransmitters. In: S. Garattini and R. Samanin (Editors), Central Mechanisms of Anorectic Drugs. Raven, New York, pp. 267-294.
32. Wurtman, R.J. and Fernstrom, J.D., 1975. Control of brain monoamine synthesis by diet and plasma amino acids. Am. J. Clin. Nutr., 28: 638-647.