Pulsatile Release of Somatotropin Related to Meal Feeding and Somatotropin Response to Secretagogues in Horses

Journal of Animal Science

Volumn 75, Issue 10, 1997, Pages 2770-2777

  Christensen, R A ^a   Malinowski, K ^a   Scanes, C G ^a,b   Hafs, H D ^a  

^a RUTGERS UNIVERSITY   (United States)

^b IOWA STATE UNIVERSITY   (United States)

Author keywords

Diurnal Activity; Feeding; Secretion; Somatotropin

Indexed keywords

EQUIDAE; EQUUS CABALLUS;

GROWTH HORMONE; GROWTH HORMONE RELEASING FACTOR; L 163255; PIPERIDINE DERIVATIVE; SPIRO COMPOUND;

AGING; ANIMAL; ANIMAL DISEASE; ARTICLE; BLOOD; CIRCADIAN RHYTHM; DOSE RESPONSE; EATING; FEMALE; HORSE; INTRAVENOUS DRUG ADMINISTRATION; MALE; METABOLISM; PHYSIOLOGY; PULSATILE FLOW; RADIOIMMUNOASSAY; SECRETION; TIME;

AGING; ANIMALS; CIRCADIAN RHYTHM; DOSE-RESPONSE RELATIONSHIP, DRUG; EATING; FEMALE; GROWTH HORMONE; GROWTH HORMONE-RELEASING HORMONE; HORSES; INJECTIONS, INTRAVENOUS; MALE; PIPERIDINES; PULSATILE FLOW; RADIOIMMUNOASSAY; SPIRO COMPOUNDS; TIME FACTORS;

EID: 0031253797     PISSN: 00218812     EISSN: None     Source Type: Journal    
DOI: 10.2527/1997.75102770x     Document Type: Article

References (30)

1. Abribat, T., N. Deslauriers, P. Brazeau, and P. Gaudreau. 1991. Alterations of pituitary growth hormone-releasing factor binding sites in aging rats. Endocrinology 128:633.
2. Bilezekjian, L. M., H. Seifert, and W. Vale. 1984. Chronic exposure of cultured rat anterior pituitary cells to GRF causes partial loss of responsiveness to GRF. Endocrinology 115:2032.
3. Cahill, C. M., and T. J. Hayden. 1989. Circadian variation in prolactin (PRL) and growth hormone (GH) throughout lactation in the mare. Endocrinology 123(Suppl.):84.
4. Ceda, G., G. Valenti, U. Butterina, and A. R. Hoffman. 1986. Diminished pituitary response to growth hormone-releasing factor in aging rats. Endocrinology 118:2109.
5. Chang, D. H., E. L. Rickes, L. McGuire, E. Frazier, H. Chen, K. Barakat, R. Nargund, A. Patchett, R. G. Smith, and G. J. Hickey. 1996. Growth hormone (GH) and insulin-like growth factor I responses after treatments with an orally active GH secretagogue L-163,255 in swine. Endocrinology 187:4851.
6. Christensen, R. A., K. Malinowski, A. M. Massenzio, H. D. Hafs, and C. G. Scanes. 1997. Acute effects of short-term feed deprivation and refeeding on circulating concentrations of metabolites, insulin-like growth factor-I, insulin-like growth factor binding proteins, somatotropin, and thyroid hormones in adult geldings. J. Anim. Sci. 75:1351.
7. Conley, L. K., J. A. Teik, R. Deghenghi, A. Guistina, V. Locatelli, and W. B. Wehrenberg. 1995. Mexarelin and GHRP-6: Analysis of the involvement of GHRH and somatostatin. Neuroendocrinology 61:440.
8. Davicco, M., V. Coxam, Y. Faulconnier, H. Dubroeucq, W. Martin-Rosset, and J. Barlet. 1993. Growth hormone (GH) secretory pattern and GH response to GH-releasing factor (GRF) or thyrotropin-releasing hormone (TRH) in newborn foals. J. Dev. Physiol. 19:143.
9. DePew, C. L., D. L. Thompson, Jr., J. M. Fernandez, L. S. Sticker, and D. W. Burleigh. 1994. Changes in concentrations of hormones, metabolites, and amino acids in plasma of adult horses relative to overnight feed deprivation followed by a pellet-hay meal fed at noon. J. Anim. Sci. 72:1530.
10. Enright, W. J., L. T. Chapin, W. M. Moseley, S. A. Zinn, and H. A. Tucker. 1986. Growth hormone-releasing factor stimulates milk production and sustains growth hormone release in Holstein cows. J. Dairy Sci. 69:344.
11. Enright, W. J., S. A. Zinn, L. T. Chapin, and H. A. Tucker. 1987. Growth hormone response of bull calves to growth hormone-releasing factor. Proc. Soc. Exp. Biol. Med. 184:483.
12. Finkelstein, J. N., H. P. Roffwang, and R. M. Boyer. 1972. Age-related change in twenty-four hour spontaneous secretion of growth hormone. J. Clin. Endocrinol. Metab. 35:665.
13. Fukuko, K., and C.-W. Tsai. 1984. Ultradian rhythm of growth hormone secretion and sleep in the adult male rat. J. Physiol. 353:305.
14. Harvey, S., C. G. Scanes, and J. G. Phillips. 1985. Growth hormone secretion in anaesthetized fowl. I. Refractoriness to repeated stimulation by human growth hormone-releasing factors (hGRF) or thyrotrophin releasing hormone (TRH). Gen. Comp. Endocrinol. 59.1.
15. Merriam, G. R., and K. W. Wachter. 1982. Algorithms for the study of episodic hormone secretion. Am. J. Physiol. 243:E310.
16. Moseley, W. M., G.L.R. Alaniz, W. H. Claflin, and L. F. Krabill. 1988. Food intake alters the serum growth hormone response to bovine growth hormone-releasing factor in meal-fed Holstein steers. J. Endocrinol. 117:253.
17. Richardson, S. B., and S. Twente. 1988. Evidence that diminished pituitary responsitivity to GHRF is secondary to intracellular GH pool depletion. Am. J. Physiol. 254:E358.
18. Sartin, J. L., F. F. Bartol, R. J. Kinppcunen, G. Dieberg, D. Buxton, and E. Soyoola. 1988. Modulation of growth hormone-releasing factor stimulated growth hormone secretion by plasma glucose and free fatty acid concentrations in sheep. Neuroendocrinology 48:627.
19. Smith, R. G., S. Pong, G. Hickey, T. Jacks, K. Cheng, R. Leonard, C. J. Cohen, J. P. Arena, C. H. Chang, J. Drisko, M. Wyvratt, M. Fisher, R. Nargund, and A. Patchett. 1996. Modulation of pulsatile GH release through a novel receptor in hypothalamus and pituitary gland. Recent Prog. Horm. Res. 51:261.
20. Sonntag, W. E., V. H. Hylka, and J. Meites. 1983. Impaired ability of old rats to secrete growth hormone in vivo but not in vitro in response to hpGRF (1-44). Endocrinology 113:2305.
21. Sonntag, W. E., R. N. Steger, L. J. Forman and J. Meites. 1980. Decreased pulsatile release of growth hormone in old male rats. Endocrinology 107:1875.
22. Stewart, R., and D. H. Coy. 1994. Growth hormone release in the horse: Responses to GRF analogues and detomidine. J. Endocrinol. 140(Suppl.):P122.
23. Stewart, F., J. A. Goode, and W. R. Allen. 1993. Growth hormone secretion in the horse: Unusual pattern at birth and pulsatile secretion through to maturity. J. Endocrinol. 138:81.
24. Sticker, L. S., D. L. Thompson, Jr., J. M. Fernandez, L. D. Bunting, and C. L. DePew. 1995. Dietary protein and(or) energy restriction in mares: Plasma growth hormone, IGF-I, prolactin, cortisol, and thyroid hormone responses to feeding, glucose, and epinephrine. J. Anim. Sci. 73:1424.
25. Takahashi, S., P. E. Gottschall, K. L. Quigley, R. G. Goya, and J. Meites. 1987. Growth hormone secretory patterns in young, middle-aged and old female rats. Neuroendocrinology 46:137.
26. Takahashi, Y., D. M. Kipnis, and W. H. Daughaday. 1968. Growth hormone during sleep. J. Clin. Invest. 47:2079.
27. Tannenbaum, G. S., J.-C. Painson, A.M.J. Lengyel, and P. Brazeau. 1989. Paradoxical enhancement of pituitary growth hormone (GH) responsiveness to GH-releasing factor in the face of high somatostatin tone. Endocrinology 124:1380.
28. Thompson, D. L., Jr., C. L. DePew, A. Ortiz, L. S. Sticker, and M. S. Rahmanian. 1994. Growth hormone and prolactin concentrations in plasma of horses: Sex differences and the effects of acute exercise and administration of growth hormone-releasing hormone. J. Anim. Sci. 72:2911.
29. Thompson, D. L., Jr., M. S. Rahmanian, C. L. DePew, D. W. Burleigh, C. J. DeSouza, and D. R. Colborn. 1992. Growth hormone in mares and stallions: Pulsatile secretion, response to growth hormone-releasing hormone, and effects of exercise, sexual stimulation, and pharmacological agents. J. Anim. Sci. 70:1201.
30. Trenkle, A. 1989. Influence of feeding on growth hormone secretion and response to growth hormone-releasing factor in sheep. J. Nutr. 119:61.