Serum leptin concentration during the terrestrial phase of the Southern elephant seal Mirounga leonina (Carnivora: Phocidae)

General and Comparative Endocrinology

Volumn 139, Issue 2, 2004, Pages 137-142

  Guilherme, C ^a   Bianchini, A ^a,b   Martinez, P E ^a,b   Robaldo, R B ^b   Colares, E P ^a,b  

^a Campus Carreiros   (Brazil)

^b Camp Carreiros Av Italia km 8 R   (Brazil)

Author keywords

Leptin; Mirounga leonina; Reproduction; Southern elephant seal

Indexed keywords

CHOLESTEROL; IODINE 125; LEPTIN; PROTEIN; TRIACYLGLYCEROL;

ANIMAL EXPERIMENT; ANTARCTICA; ARTICLE; CARNIVORA; CONCENTRATION (PARAMETERS); CONTROLLED STUDY; ENERGY; FEMALE; GENDER; HUNGER; LAND BIOME; MALE; MIROUNGA LEONINA; NONHUMAN; PHYSIOLOGY; PRIORITY JOURNAL; RADIOIMMUNOASSAY; REPRODUCTION; SEAL; SERUM; SEX DIFFERENCE; SPECTROPHOTOMETRY;

EID: 7044235390     PISSN: 00166480     EISSN: 10956840     Source Type: Journal    
DOI: 10.1016/j.ygcen.2004.09.003     Document Type: Article

References (59)

1. R.S. Ahima, D. Prabakaran, C. Mantzoros, D. Qu, B. Lowell, E. Maratos-Flier, and J.S. Flier Role of leptin in the neuroendocrine response to fasting Nature 382 1996 250 252
2. B. Ahren, S. Mansson, R. Gingerrich, and P.J. Havel Regulation of plasma leptin in mice: influence of age, high-fat diet and fasting Am. J. Physiol. 273 1997 R113 R120
3. D.G. Baskin, D.F. Lattemann, R.J. Seeley, S.C. Wooda, D. Porte Jr., and M.W. Schwartz Insulin and leptin: dual adiposity signals to the brain for the regulation of food intake and body weight Brain Res. 848 1999 114 123
4. W.N. Bonner Lactation strategies for pinnipeds: problems for a marine mammal group Symp. Zool. Soc. Lond. 51 1984 253 272
5. D.W. Brann, M.F. Wade, K.M. Dhandapani, V.B. Mahesh, and C.D. Bucvanan Leptin and reproduction Steroids 67 2002 95 104
6. M.M. Bryden Lactation and sucking in relation to early growth of the southern elephant seal Aust. J. Zool. 16 1968 739 748
7. J.L. Cameron, and C. Nosbisch Suppresiom of pulsatile luteinizing- hormone and testosterone secretion during short-term food restrition in the adult male Rhesus-monkey (Macaca mulata) Endocrinology 128 1991 1532 1540
8. M. Caprio, E. Fabbrini, A.M. Isidori, A. Aversa, and A. Fabbri Leptin in reproduction Trends Endocrinol. Metabol. 12 2001 65 72
9. M. Caprio, A.M. Isidori, A.R. Carta, C. Moretti, M.L. Dufau, and A. Fabri Expression of functional leptin receptors in podent Leydig cells Endocrinology 140 1999 4939 4947
10. J.F. Caro, M.K. Sinha, J.W. Kolaczynski, P.L. Zhang, and R.V. Considine Leptin: the tale of na obesity gene Diabetes 45 1996 1455 1462
11. V.D. Castracane, and M.C. Henson When did leptin become a reproductive hormone? Semin. Reprod. Med. 20 2002 89 92
12. F. Chehab, M. Lim, and R. Lu Correction of the sterility defect in homozygous obese female mice by treatment with the human recombinat leptin Nat. Genet. 12 1996 318 320
13. Colares, E.P., 1997. Aspectos da fisiologia reprodutiva de Calomys laucha OLFERS, 1818 (Mammalia:Rodentia). PhD thesis. University of São Paulo, São Paulo, SP, Brazil
14. B. Cook, and G.H. Beastall Measurement of steroid hormone concentrations in blood, urine and tissues B. Green R.E. Leake Steroid Hormones a Practical Approach 1987 IRL Press Oxford 1 65
15. D.P. Costa, B.J. Le Boeuf, A.C. Ortiz, and A.C. Huntley The energeties of lactation in the northern elephant seal. Mirounga augustirostris. J. Zool. Lond. 209 1986 21 33
16. I. Cusin, and F. Rohner-Jeanrenaud Loop system between neuropeptide Y and leptin: Alteration in rodent obesity syndromes M S-Medicine Sciences 14 1998 907 913
17. S. Dagago-Jack, C. Fanelli, D. Paramore, J. Brothers, and M. Landt Plasma leptin and insulin relationship in obese and nonobese humans Diabetes 45 1996 695 698
18. C.J. Deutsch, M.D. Haley, and B.J. LeBoeuf Reproductive effort of male northern elephant seals: estimates from mass loss Can. J. Zool. 68 1990 2580 2593
19. G.R. Dubuc, S.D. Phinney, J.S. Stern, and P.J. Havel Changes of serum leptin and endocrine and metabolic parametres after 7 days of energy restriction in men and women Metabolism 47 1998 429 434
20. M.A. Fedak, and S.S. Anderson The energects of lactation: accurate measurements from a large wild mammal, the grey seal (Halichoerus grypus) J. Zool. London 198 1982 473 479
21. P.D. Finn, Cunningham, K.-Y. Francis Pau, H.G. Spies, D.K. Clifton, and R.A. Steiner The Stimulatory Effect of Leptin on the Neuroendocrine Reproductive Axis of the Monkey Endocrinology 139 1998 4652 4662
22. D.L. Foster, and D.H. Olster Effects of restricted nutrition on puberty in the lamb: pattern of tonic luteinizing hormone (LH) secretion and competency of the Lh seuge system Endocrinology 116 1985 375 381
23. G.D. Hamilton, and F.H. Bronson Food restriction and reproductive development male and female mice and male rats J. Physiol. 250 1986 R370 R376
24. L. Hardii, P. Trayhurn, D. Abramovich, and P. Fowler Circulating leptin in women: a longitudinal study in the menstrual cycle and during pregnancy Clin. Endocrinol. 47 1997 101 106
25. L. Jin Leptin and leptin receptor expression in rat and mouse pituitary cells Endocrinology 141 2000 333 339
26. G.C. Kennedy, and J. Mitra Body-weight and food intake as initiating factors for puberty in the rat J. Physiol. 166 1963 408 418
27. R.M. Laws The elephant seal Mirounga leonina (Linn). II. General, social and reproductive behaviour Scient. Rep. Falkld Isl. Depend. Surv. 13 1956 1 86
28. R.M. Laws A new method for age determination in mammals Nature 169 1962 972 974
29. B.J. LeBoeuf, and R.M. Laws Elephant seals: an introduction to the genus B.J. Le Boeuf R.M. Laws Elephant Seals: Population Ecology, Behavior, and Physiology 1994 University of California Press Berkeley 414
30. M. Maffei, J. Hallas, E. Ravussine, R.E. Pratley, G.H. Lee, Y. Zhang, H. Fei, S. Kim, R. Lallone, S. Ranganathan, P.A. Kern, and J.M. Friedman Leptin levels in human and rodent-measurement of plasma leptin and Ob RNA in obese and weight reduced subjects Nat. Med. 1 1995 1155 1161
31. J.G. Mercer Regulation of appetite and body weight in seasonal mammals Comp. Biochem. Physiol. 119C 1998 295 303
32. A.O. Modig Effects of body size and harem size on male reproductive behaviour in the southern elephant seal Anim. Behav. 51 1996 1295 1306
33. K. Mounzih, R. Lu, and F.F. Chehab Leptin trearment rescues the sterility of genetically obese ob/ob males Endocrinology 138 1997 1190 1193
34. R.M. Nowak Walker's Mammals of the World 1999 The Johns Hopkins University Press London
35. O.T. Oftedal, W.D. Bowen, and D.J. Boness Energy transfer by lactating hooded seals and nutrient deposition in their pups during the four days from birth to weaning Physiol. Zool. 66 1993 412 436
36. O.A. Ormseth, M. Nicholson, M.A. Pelleymounter, and B.B. Boyer Leptin inhibits prehibernation hyperphagia an reduces body weight in arctic ground squirrels Am. J. Physiol. 271 1996 R1775 R1779
37. R.M. Ortiz, D.S. Houser, C.E. Wade, and C.L. Ortiz Hormonal changes associated with the transition between nursing and natural fasting in northern elephant seals (Mirounga angustirostris) Gen. Comp. Endocrinol. 130 2003 78 83
38. R.M. Ortiz, D.P. Noren, B. Litz, and C.L. Ortiz A new perspective on adiposity in a naturally obese mammal Am. J. Physiol. Endocrinol. Metab. 281 2001 E1347 E1351
39. R.M. Ortiz, C.E. Wade, and C.L. Ortiz Effects of prolonged fasting on plasma cortisol and TH in postweaned northern elephant seal pups Am. J. Physiol. Regul. Integr. Comp. Physiol. 280 2001 R790 R795
40. M.A. Pelleymounter, M.J. Cullen, M.B. Baker, R. Hecht, D. Winters, T. Boone, and F. Collins Effects of the obese gene product on body weight regulation in ob/ob mice Science 269 1995 540 543
41. P.R. Reidy, and J.M. Weber Leptin: an essential regulator of lipid metabolism Comp. Biochem. Physiol. A 125 2000 285 297
42. Reijnders, P., Brasseur, S., Van der Toorn, J., Van der Wolf, P., Boyd, I., Harwood, J., Lavigne, D., Lowry, L., 1993. An Action Plan for the Conservation of Seals, fur seals, see lions and Walrus. IUCN
43. D.S. Reynolds, and T.H. Kunz Changes in body composition during reproduction and postnatal growth in the little brown bat, Myotis lucifugus (Chiroptera: Vespertilionidae) Ecoscience 7 2000 10 17
44. M. Rosenbaum, and R.L. Leibel Leptin: a molecule integrating somatic energy expenditure and fertility Trends Endocrinol. Metab. 9 1998 117 123
45. K.K. Schillo Effects of dietary energy on control of luteinizing hormone secretion in cattle and sheep J. Anim. Sci. 70 1992 1271 1282
46. J.E. Schneider, D. Zhou, and R.M. Blum Leptin and metabolic control of reproduction Hormon. Behav. 37 2000 306 326
47. M.W. Schwartz, R.J. Seeley, L.A. Campfield, P. Burn, and D.G. Baskin Identification of targets of leptin action in rat hypothalamus J. Clin. Invest. 98 1996 1101 1106
48. F.J. Schweigert Effects of fasting and lactation on blood chemistry and urine composition in the Grey seal (Halichoerus gripus) Comp. Biochem. Physiol. 105A 1993 353 357
49. F.J. Schweigert Effects of energy mobilization during fasting and lactation on plasma metabolites in the gray seal (Halichoerus grypus) Comp. Biochem. Physiol. 105A 1993 347 352
50. I. Shimon, X. Yan, D.A. Magoffin, T.C. Friedman, and S. Melmed Intact leptin receptor is selectively expressed in human fetal pituitary and pituitary adenomas and signals human fetal pituitary growth hormone secretion J. Clin. Endocrinol. Metab. 83 1998 4059 4064
51. G.D. Smith, L.M. Jackson, and D.L. Foster Leptin regulation of reproductive function and fertility Theriogenology 57 2002 73 86
52. L. Spicer, and C. Francisco The adipose obese gene product, leptin: evidence of a direct inhibitory role in ovarian function Endocrinology 138 1997 3374 3379
53. R. Tedman, and B. Green Water and sodium fluxes and lactational energeties in suckling pups of Weddell seals (Leptonchotes weddelli) J. Zool. Lond. 212 1987 29 42
54. G.N. Wade, J.E. Schneider, and H.-Y. Li Control of fertility by metabolic cues Am. J. Physiol. 270 1996 E1 E19
55. G.L. Williams, M. Amstalden, M.R. Garcia, R.L. Stako, S.E. Nizielski, C.D. Morrison, and D.H. Keisler Leptin and its role in the central regulation of reproduction in cattle Domest. Anim. Endocrinol. 23 2002 339 349
56. G.A.J. Worthy, P.A. Morris, D.P. Costa, and B.J. LeBoeuf Molt energetics of the Northern elephant seal (Mirounga angustirostris) J. Zool. Lond. 227 1992 257 265
57. W.H. Yu, M. Kimura, A. Walezewska, S. Karanth, and S.M. McCann Role of leptin in hypothalamic-pituitary function Proc. Natl. Acad. Sci. USA 94 1997 1023 1028
58. P.L. Zamorano, V.B. Mahesh, L.M. De Sevilla, L.P. Chorich, G.W. Bhat, and D.W. Bran Expression and localization of the leptin receptor in the endocrine and neuroendocrine tissues of the rat Neuroendocrinology 65 1997 223 228
59. Y. Zhang, R. Proença, M. Maffei, M. Barone, L. Leopold, and J.M. Fridman Positional cloning of the mouse obese gene and its human homologue Nature 372 1994 425 432