Serum leptin and C-reactive protein levels in the physiological spontaneous menstrual cycle in reproductive age women

Wunder, D M; Yared, M; Bersinger, N A; Widmer, D; Kretschmer, R; Birkhäuser, M H (2006). Serum leptin and C-reactive protein levels in the physiological spontaneous menstrual cycle in reproductive age women. European journal of endocrinology, 155(1), pp. 137-42. Bristol: BioScientifica Ltd. 10.1530/eje.1.02178

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OBJECTIVE: Only a few studies have investigated variations of different markers for inflammatory processes during the physiological menstrual cycle. The results are conflicting, particularly concerning the correlation between the marker leptin and steroid hormones. The aim of the study was to investigate the inflammatory markers C-reactive protein (CRP) and leptin in the serum of healthy, normally ovulating women and to correlate these with each other and with the hormones of the gonadal axis. A cycle-dependence of the markers studied would imply an exact timing of the blood sampling for clinical needs. DESIGN: Observational study investigating the two inflammatory markers CRP and leptin in relation to the hormonal pattern of the gonadal axis during the normal cycle. METHODS: Ovulatory cycles of 36 healthy, young, normo-androgenic women, having a normal body mass index were evaluated. Serum concentrations of leptin and CRP, as well as of follicle-stimulating hormone, luteinising hormone, 17beta-oestradiol, progesterone, prolactin (PRL) and free testosterone were measured every 1-2 days during one full cycle. RESULTS: Serum levels of leptin and CRP behaved differently during ovulatory cycles, with higher concentrations for leptin only during certain phases. Significant correlations were found in the follicular phase between leptin and PRL and leptin and free testosterone. CONCLUSIONS: Leptin levels change during the menstrual cycle. Leptin levels are more stable on cycle days 1-5 than later in the cycle. For precise cycle-independent measurements, these fluctuations have to be taken into account. There is no similar cyclic pattern for CRP.

Item Type:	Journal Article (Original Article)
Division/Institute:	04 Faculty of Medicine > Department of Gynaecology, Paediatrics and Endocrinology (DFKE) > Clinic of Gynaecology 04 Faculty of Medicine > Department of Haematology, Oncology, Infectious Diseases, Laboratory Medicine and Hospital Pharmacy (DOLS) > Institute of Clinical Chemistry
UniBE Contributor:	Wunder, Dorothea, Bersinger, Nick A., Kretschmer, Robert, Birkhäuser, Martin
ISSN:	0804-4643
ISBN:	16793960
Publisher:	BioScientifica Ltd.
Language:	English
Submitter:	Factscience Import
Date Deposited:	04 Oct 2013 14:46
Last Modified:	05 Dec 2022 14:14
Publisher DOI:	10.1530/eje.1.02178
PubMed ID:	16793960
Web of Science ID:	000239209900019
URI:	https://boris.unibe.ch/id/eprint/19137 (FactScience: 1526)