References
- Zhang Y, Proenca R, Maffei M, Barone M, Leopold L, Friedman J M. Positional cloning of the mouse obese gene and its human homologue. Nature 1994; 372: 425–432
- Haluzik M, Papezova M, Nedvidkova J, Kabrt J. Serum leptin levels in patients with anorexia nervosa before and after partial refeeding, relationships to serum lipids and biochemical nutritional parameters. Physiol Res 1999; 48: 197–202
- Pelleymounter M A, Cullen M J, Baker M B, Hecht R, Winters D, Boone T, Collins F. Effects of the obese gene product on body weight regulation in ob/ob mice. Science 1995; 269: 540–543
- Tartaglia L A, Dembski M, Weng X, Deng N, Culpepper J, Devos R, Richards G J, Campfield L A, Clark F T, Deeds J. Identification and expression cloning of a leptin receptor, OB‐R. Cell 1995; 83: 1263–1271
- Chehab F F, Lim M E, Lu R. Correction of the sterility defect in homozygous obese female mice by treatment with the human recombinant leptin. Nat Genet 1996; 12: 318–320
- Halaas J L, Boozer C, Blair‐West J, Fidahusein N, Denton D A, Friedman J M. Physiological response to long‐term peripheral and central leptin infusion in lean and obese mice. Proc Natl Acad Sci U S A 1997; 94: 8878–8883
- Campfield L A, Smith F J, Burn P. The OB protein (leptin) pathway—a link between adipose tissue mass and central neural networks. Horm Metab Res 1996; 28: 619–632
- Gavrilova O, Barr V, Marcus‐Samuels B, Reitman M. Hyperleptinemia of pregnancy associated with the appearance of a circulating form of the leptin receptor. J Biol Chem 1997; 272: 30546–30551
- Krizova J, Sulkova S, Bednarova V, Kotrlikova E, Haluzik M. Soluble leptin receptor levels in patients with chronic renal failure. Physiol Res 2003; 52: 347–351
- Hardie L, Trayhurn P, Abramovich D, Fowler P. Circulating leptin in women: a longitudinal study in the menstrual cycle and during pregnancy. Clin Endocrinol (Oxf) 1997; 47: 101–106
- Schubring C, Englaro P, Siebler T, Blum W F, Demirakca T, Kratzsch J, Kiess W. Longitudinal analysis of maternal serum leptin levels during pregnancy, at birth and up to six weeks after birth: relation to body mass index, skinfolds, sex steroids and umbilical cord blood leptin levels. Horm Res 1998; 50: 276–283
- Butte N F, Hopkinson J M, Nicolson M A. Leptin in human reproduction: serum leptin levels in pregnant and lactating women. J Clin Endocrinol Metab 1997; 82: 585–589
- Lammert A, Brockmann G, Renne U, Kiess W, Bottner A, Thiery J, Kratzsch J. Different isoforms of the soluble leptin receptor in non‐pregnant and pregnant mice. Biochem Biophys Res Commun 2002; 298: 798–804
- Masuzaki H, Ogawa Y, Sagawa N, Hosoda K, Matsumoto T, Mise H, Nishimura H, Yoshimasa Y, Tanaka I, Mori T, Nakao K. Nonadipose tissue production of leptin: leptin as a novel placenta‐derived hormone in humans. Nat Med 1997; 3: 1029–1033
- Challier J, Galtier M, Bintein T, Cortez A, Lepercq J, Hauguel‐de Mouzon S. Placental leptin receptor isoforms in normal and pathological pregnancies. Placenta 2003; 24: 92–99
- Kronfeld‐Schor N, Zhao J, Silvia B A, Bicer E, Mathews P T, Urban R, Zimmerman S, Kunz T H, Widmaier E P. Steroid‐dependent up‐regulation of adipose leptin secretion in vitro during pregnancy in mice. Biol Reprod 2000; 63: 274–280
- Casabiell X, Pineiro V, Vega F, De La Cruz L F, Dieguez C, Casanueva F F. Leptin, reproduction and sex steroids. Pituitary 2001; 4: 93–99
- Stock S M, Sande E M, Bremme K A. Leptin levels vary significantly during the menstrual cycle, pregnancy, and in vitro fertilization treatment: possible relation to estradiol. Fertil Steril 1999; 72: 657–662
- Lewandowski K, Horn R, O'Callaghan C J, Dunlop D, Medley G F, O'Hare P, Brabant G. Free leptin, bound leptin, and soluble leptin receptor in normal and diabetic pregnancies. J Clin Endocrinol Metab 1999; 84: 300–306
- Widjaja A, Hofmann R, Bruhn J, von zur Muhlen A, Brabant G. Free and bound leptin levels during human pregnancy. Gynecol Endocrinol 2000; 14: 264–269
- Nuamah M A, Sagawa N, Yura S, Mise H, Itoh H, Ogawa Y, Nakao K, Fujii S. Free‐to‐total leptin ratio in maternal plasma is constant throughout human pregnancy. Endocr J 2003; 50: 421–428