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Endocr Res. 2002 Aug;28(3):199-205.

Soluble leptin receptor levels in patients with anorexia nervosa.

Author information

1
3rd Department of Medicine, 1st Medical Faculty, Charles University, U Nemocnice 1, Prague 2, 128 08, Czech Republic. jsvob@email.cz

Abstract

OBJECTIVE:

To examine whether changes of serum soluble leptin receptor levels (S-LEPR) can modify leptin half-life and its tissue effects. The aim of our study was to measure S-LEPR levels in patients with anorexia nervosa (AN) before and 6 weeks after partial refeeding.

METHODS:

Anthropometric variables, serum leptin, S-LEPR, insulin, cortisol and TNF-alpha were measured in 15 AN patients before and after partial refeeding and 15 healthy control women.

RESULTS:

S-LEPR levels in AN patients were significantly higher than in healthy subjects (26.8 +/- 8.1 vs. 16.36+/-2.6U/mL, p < 0.01) and were not affected by partial refeeding (26.8 +/- 8.1 vs. 24.2 +/- 6.1 U/mL). In contrast, body mass index (BMI), body fat content, and serum leptin levels in AN patients increased significantly after partial refeeding. Except for the inverse relationship of S-LEPR levels to BMI and body fat content no clear relationship of this parameter to serum leptin, cortisol, insulin or TNF-alpha was found.

CONCLUSION:

S-LEPR levels are significantly increased in AN patients and this increase is unaffected by partial refeeding. The possibility of etiological role of increased S-LEPR levels in AN patients by affecting leptin central and/or peripherial effects should be further elucidated.

PMID:
12489569
DOI:
10.1081/erc-120015058
[Indexed for MEDLINE]

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