Tuesday 18 November 2014

The influence of combined oral contraceptives containing drospirenone on hypothalamic

New Exercise and Fitness Review

The influence of combined oral contraceptives containing drospirenone on hypothalamic


The influence of combined oral contraceptives containing drospirenone on hypothalamic-pituitary-adrenocortical axis activity and glucocorticoid receptor expression and function in women with polycystic ovary syndrome.

Hormones (Athens). 2014 Nov 5;


Authors: Macut D, Božic Antic I, Nestorov J, Topalovic V, Bjekic Macut J, Panidis D, Kastratovic Kotlica B, Papadakis E, Matic G, Vojnovic Milutinovic D


Abstract
OBJECTIVE: Most women with PCOS have increased adrenal androgen production, enhanced peripheral metabolism of cortisol and elevation in urinary excretion of its metabolites. Increased cortisol clearance in PCOS is followed by a compensatory overdrive of the hypothalamic-pituitary-adrenocortical (HPA) axis. We hypothesized that oral contraceptives containing ethinylestradiol and drospirenone (EE-DRSP) could modulate glucocorticoid receptor (GR) expression and function and thus affect HPA axis activity in PCOS patients.
DESIGN: We analyzed 12 women with PCOS (age 24.17±4.88 years; body mass index 22.05±3.97 kg/m2) treated for 12 months with EE-DRSP and 20 BMI matched controls. In all subjects testosterone, dehydroepiandrosterone sulfate (DHEAS), sex hormone binding globulin (SHBG), cortisol (basal and after dexamethasone), concentrations of GR protein, phospo-GR211 protein, number of GR per cell (Bmax) and its equilibrium dissociation constant (KD) were measured.
RESULTS: Before treatment, increased concentrations of testosterone and DHEAS (p



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The influence of combined oral contraceptives containing drospirenone on hypothalamic

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