« Previous
Domestic Animal Endocrinology
Volume 33, Issue 3
, Pages 358-365
, October 2007
In vitro evidence that leptin suppresses melatonin secretion during long days and stimulates its secretion during short days in seasonal breeding ewes
References
- . Regulation of the onset of the breeding season of the ewe, importance of long days and of an endogenous reproductive rhythm. J Endocrinol. 1989;122:269–278
- . Appetite regulation and seasonality: implication for obesity. Proc Nutr Soc. 2004;63:413–419
- . The regulation of body weight: lessons from the seasonal animal. Proc Nutr Soc. 2001;60:127–134
- . Short photoperiod reduces leptin gene expression in white and brown adipose tissue in Djungarian hamsters. FEBS Lett. 1996;399:290–294
- . Functional properties of leptin receptor isoforms: internalization and degradation of leptin and ligand-induced receptor downregulation. Diabetes. 1999;48:279–286
- . Identification of SOCS-3 as a potential mediator of central leptin resistance. Mol Cell. 1998;1:619–625
- . Leptin resistance—or why leptin fails to work in obesity. Exp Clin Endocrinol Diabetes. 2003;111:2–7
- . The pineal and its hormones in the control of reproduction in mammals. Endocrinol Rev. 1978;1:109–131
- . Melatonin: that ubiquitously acting pineal hormone. News Physiol Sci. 1991;6:223–227
- . Tissue distribution of leptin and leptin receptor mRNA in the bovine. J Dairy Sci. 2003;86:2369–2372
- Norms. Nutrient requirements for cattle and sheep in the traditional system. IZ Krakow, Poland; 1993 [in Polish].
- . The role of mezenchyme in the induction of the rat prostate gland by androgens in organ culture. J Endocrinol. 1986;82:171–178
- Divergent effects of leptin on luteinizing hormone and insulin secretion are dose dependent. Exp Biol Med. 2003;228:325–330
- Effects of leptin on basal and GHRH-stimulated GH secretion from the bovine adenohypophysis are dependent upon nutritional status. J Endocrinol. 2003;178:83–89
- . Direct radioimmunoassay for plasma melatonin. Clin Chem. 1983;29:386–397
- . Seasonal changes of melatonin secretion in relation to the reproductive cycle in sheep. J Anim Feed Sci. 1996;56:35–48
- . Modulation of leptin sensitivity by short photoperiod acclimation in the Djungarian hamster, Phodopus sungorus. J Comp Physiol B. 2000;170:37–43
- Leptin acts on metabolism in a photoperiod-dependent manner, but has no effect on reproductive function in the seasonally breeding Siberian hamster (Phodopus sungorus). Endocrinology. 2000;141:4128–4135
- . Sex, fat and the tilt of the Earth: effects of sex and season on the feeding response to centrally administered leptin in sheep. Endocrinology. 2000;142(6):2725–2728
- . Photoperiodic programming of body weight through the neuroendocrine hypothalamus. J Endocrinol. 2003;177:27–34
- . Daily rhythm in serum melatonin and leptin levels in the Syrian hamster (Mesocricetus aureatus). Comp Biochem Physiol A. 2002;132:393–4021
- . Daily rhythms of serum leptin in ewes: effects of feeding, pregnancy and lactation. Chronobiol Int. 2005;22(5):817–827
- . The suprachiasmatic nucleus generates the diurnal changes in plasma leptin levels. Endocrinology. 2001;142:2677–2685
- Effects of pinealectomy and exogenous melatonin on serum leptin levels in male rat. Eur J Pharmacol. 2001;428:145–148
- . Leptin receptor mRNA is expressed in ewe anterior pituitary and adipose tissues and is differentially expressed in hypothalamic regions of well-fed and feed-restricted ewes. Domest Anim Endocrinol. 1997;14:119–128
- . Seasonal and dose-dependent effects of intracerebroventricular leptin on luteinizing hormone secretion and appetite in sheep. J Endocrinol. 2002;175:393–404
- Photoperiodic regulation of leptin sensitivity in the Siberian hamster, Phodopus sungorus, is reflected in arcuate nucleus SOCS-3 (suppressor of cytokine signaling) gene expression. Endocrinology. 2004;145:1185–1193
PII: S0739-7240(06)00119-6
doi: 10.1016/j.domaniend.2006.06.004
© 2006 Elsevier Inc. All rights reserved.
« Previous
Domestic Animal Endocrinology
Volume 33, Issue 3
, Pages 358-365
, October 2007
