Age-related Changes in Plasma Leptin from Early Growing to Late Finishing Stages of Castrated Holstein Steers: Utilizing Multi-species Leptin RIA |
Vega, R.A.
(College of Agriculture, U.P. at Los Banos)
Lee, H.G. (Seoul National University) Kuwayama, H. (Animal Metabolism and Physiology Lab., Obihiro University of Agriculture and Veterinary Medicine) Matsunaga, N. (Animal Metabolism and Physiology Lab., Obihiro University of Agriculture and Veterinary Medicine) Hidari, H. (Animal Metabolism and Physiology Lab., Obihiro University of Agriculture and Veterinary Medicine) |
1 | Blache, D., R. L. Tellam, L. M. Chagas, M. A. Blackberry, P. E. Vercoe and G. B. Martin. 2000. Level of nutrition affects leptin concentrations in plasma and cerebrospinal fluid in sheep. Journal of Endocrinology 165:625-637. DOI PUBMED ScienceOn |
2 | Blum, W. F. and M. B. Ranke. 1991. Plasma IGFBP-3 levels as clinical indicators. In: Modern Concepts of Insulin-Like Growth Factor (Ed. Spencer EM). Elsevier, New York. pp. 381-393. |
3 | Bocquier, F., M. Bonnet, Y. Faulconnier, M. Guerre-Millo, P. Martin and Y. Chilliard. 1998. Effects of photoperiod and feeding level on perirenal adipose tissue metabolic activity and leptin synthesis in the ovariectomized ewe. Reproduction and Nutrition Development, 38:489-498. DOI ScienceOn |
4 | Cameron, N. D., J. C. Penman and E. McCullough. 2000. Serum leptin concentration in pigs selected for high or low daily food intake. Genetic Research, 75:209-213. DOI PUBMED ScienceOn |
5 | Ehrhardt, R. A., R. M. Slepetis, J. Siegel-Willott, M. E. Van Amburgh, A. W. Bell and Y. R. Boisclair. 2000. Development of a specific radioimmunoassay to measure physiological changes of circulating leptin in cattle and sheep. Journal of Endocrinology 166:519-528. DOI PUBMED ScienceOn |
6 | Kauter, K., M. Ball, P. Kearney, R. Tellam and J. R. McFarlane. 2000. Adrenaline, insulin and glucagons do not have acute effects on plasma leptin levels in sheep: development and characterization of an ovine leptin ELISA. Journal of Endocrinology 166:127-135. DOI PUBMED ScienceOn |
7 | Lee, H-G, R. A. Vega RA, L. T. Phung, N. Matsunaga, H. Kuwayama and H. Hidari. 2000a. The effect of growth hormone-releasing peptide-2 (KP102) administration on plasma insulin-like growth factor (IGF)-1 and IGF-binding proteins in Holsteins steers on different planes of nutrition. Domest. Anim. Endocrinol. 18(3):293-301. DOI ScienceOn |
8 | Lee, H. G., R. A. Vega RA, L. T. Phung, N. Matsunaga, H. Kuwayama and H. Hidari. 2000b. Changes in plasma insulinlike growth factor (IGF) -1, IGF binding protein (GFBP) -2 and IGFBP-3 during fasting in Holstein adult steers and calves. Animal Science Journal (Jpn), 71(2):178-188. |
9 | Purchas, R. W., K. L. MacMillan and H. D. Hafs. 1970. Pituitary and plasma Growth Hormone levels in bulls from birth to one year of age. J. Anim. Sci. 31:358-363. DOI PUBMED |
10 | Robert, C., M. Palin, N. Coulombe, C. Roberge, F. G. Silversides, B. F. Benkel, R. M. McKay and G. Pelletier. 1998. Backfat thickness in pigs is positively associated with leptin mRNA levels. Can. J. Anim. Sci. 78:473-482. DOI ScienceOn |
11 | Spurlock, M. E., A. M. A. Ranalletta, S. G. Cornelius, G. R. Frank, G. M. Willis, S. Ji, A. L. Grant and C. A. Bidwell. 1998. Leptin expression in adipose tissue is not increased by endotoxin but is reduced by growth hormone. Journal of Interferon and Cytokine Research, 18:1051-1058. DOI ScienceOn |
12 | Urbanski, H. and K-Y. F. Pau. 1998. A biphasic developmental pattern of circulating leptin in the male rhesus macaque (Macaca mulata). Endocrinology 139(5):2284-2286. DOI PUBMED ScienceOn |
13 | SAS. 1988. SAS/STAT User's Guide (Release 6.03 Ed). SAS Inst., Inc., Cary, NC. |
14 | Arslanian, S., C. Suprasongsin, S. C. Kalhan, A. L. Drash, R. Brna and J. E. Janosky. 1998. Plasma leptin in children: relationship to puberty, gender, body composition, insulin sensitivity and energy expenditure. Metabolism 47(3):309-312. DOI ScienceOn |
15 | Barb, C. R., X. Yan, M. J. Azain, R. R. Kraeling, G. B. Rampacek and T. G. Ramsay. 1998. Recombinant porcine leptin reduces feed intake and stimulates growth hormone secretion in swine. Domest. Anim. Endocrinol. 15(1):77-86. DOI ScienceOn |
16 | Mantzoros, C. S., J. S. Flier and A. D. Rogol. 1997. A longitudinal assessment of hormonal and physical alterations during normal puberty in boys. V. Rising leptin levels may signal the onset of puberty. J. Clin. Endocrinol. & Metab. 82:1066-1070. DOI ScienceOn |
17 | Blum, W. F., P. Englaro, S. Hanitsch, A. Juul, N. T. Hertel, J. Muller, N. E. Skakkebaek, M. L. Heiman, M. Birkett, A. M. Attanasio, W. Kiess and W. Rascher. 1997. Plasma leptin levels in healthy children and adolescents: dependence on body mass index, body fat mass, gender, pubertal stage and testosterone. J. Clin. Endocrinol. & Metab. 82:2904-2910. DOI ScienceOn |
18 | Blanchard, M. M., C. G. Goodyear, J. Charrier and B. Barenton. 1988. In vitro regulation of growth hormone (GH) release from ovine pituitary cells during fetal and neonatal development: effects of GH-Releasing Factor, Somatostatin and Insulin-like Growth Factor 1. Endocrinology 122(5):2114-2120. DOI PUBMED ScienceOn |
19 | Houseknecht, K. L., C. P. Portocarrero, S. Ji, R. Lemenager and M. E. Spurlock. 2000. Growth hormone regulates leptin gene expression in bovine adipose tissue: correlation with adipose tissue: correlation with IGF-1 expression. Journal of Endocrinology 164:51-57. DOI PUBMED ScienceOn |
20 | Ravussin, E., R. E. Pratley, M. Maffei, H. Wang, J. M. Friedman, P. H. Bennet and C. Bogardus. 1997. Relative low plasma leptin concentrations precede weight gain in Pima Indians. Nature Medicine 3(2):238-240. DOI PUBMED ScienceOn |
21 | Takahashi, M., T. Funahashi, I. Shimomura, K. Miyaoka and Y. Matsuzawa. 1996. Plasma leptin levels and body fat distribution. Hormone Metabolic Research, 28:751-752. DOI PUBMED ScienceOn |
22 | Daughaday, W. H., I. K. Mariz and S. L. Blethen. 1980. Inhibition of assessment of bound somatomedin to membrane receptor and immunobinding sites: A comparison of radioreceptor and radioimmunoassay of somatomedin in native and acid –ethanol extraction serum. J. Clin. Endocrinol. & Metab. 5:781-788. DOI |
23 | Delavaud, C., F. Bocquier, Y. Chilliard, D. H. Keisler, A. Gertler and G. Kann. 2000. Plasma leptin determination in ruminants: effect of nutritional status and body fatness on plasma leptin concentration assessed by a specific RIA in sheep. Journal of Endocrinology 165:519-526. DOI PUBMED ScienceOn |
24 | Dyer, C. J., J. M. Simmons, R. L. Matteri and D. H. Keisler. 1997. Leptin receptor mRNA is expressed in ewe anterior pituitary and adipose tissue and is deferentially expressed in hypothalamic regions of well-fed and feed-restricted ewes. Domest. Anim. Endocrinol. 14:119-128. DOI ScienceOn |
25 | Estienne, M. J., A. F. Harper, C. R. Barb and M. J. Azain. 2000. Concentration of leptin in serum and milk collected from lactating sows differing in body condition. Domest. Anim. Endocrinol. 19:275-280. DOI ScienceOn |
26 | McManus, C. J. and B. P. Fitzgerald. 2000. Effects of a single day of feed restriction on changes in serum leptin, gonadotropins, prolactin, and metabolites in aged and young mares. Domest. Anim. Endocrinol. 19:1-13. DOI ScienceOn |
27 | Agriculture, Forestry and Fisheries Research Council Secretariat. 1995. Japanese Feeding Standard for Beef Cattle. Agriculture Forestry and Fisheries Research Council Secretariat. Tokyo. 1995. |
28 | Morrison, C. D., J. A. Daniel, B. J. Holmberg, J. Djiane, N. Raver, A. Gertler and D. H. Keisler. 2001. Central infusion of leptin into well-fed and undernourished ewe lambs: effects of feed intake and serum concentration of growth hormone and luteinizing hormone. Journal of Endocrinology 168:317-324. DOI PUBMED ScienceOn |
29 | Licinio, J., C. Mantzoros, A. B. Begrao, G. Cizza, M. Wong, P. B. Bongiorno, G. P. Chrousos, B. Karp, C. Allen, J. S. Flier and P. W. Gold. 1997. Human leptin levels are pulsatile and inversely related to pituitary-adrenal function. Nature Medicine, 3(5):575-79. DOI PUBMED ScienceOn |