Article (Scientific journals)
Effect of different contraceptive methods on the oxidative stress status in women aged 40-48 years from the ELAN study in the province of Liege, Belgium
Pincemail, Joël; Vanbelle, Sophie; Gaspard, Ulysse et al.
2007In Human Reproduction, 22 (8), p. 2335-2343
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Keywords :
oxidative stress; antioxidants; oral contraception; ELAN study
Abstract :
[en] Oxidative stress is associated with the development of several disorders including cardiovascular disease and cancer. Among conditions known to influence oxidative stress, the use of oral contraception (OC) in women has been a matter of ongoing discussion. METHODS: A total of 897 eligible and healthy volunteers were recruited from among the patients of 50 general practitioners participating in the ELAN study (Etude Liegeoise sur les ANtioxydants). A subsample consisting of 209 women aged 40-48 years was studied for a comprehensive oxidative stress status (OSS), including the analysis of antioxidants, trace elements and three markers of oxidative damage to lipids. Among 209 subsample, 49 (23%) were OC users (OCU), 119 (57%) non-contraception users (NCU) and 41 (20%) were intrauterine (hormonal and copper) devices users (IUD). RESULTS: After adjustment for smoking, systolic and diastolic blood pressure and BMI (or waist circumference), a marked and significant increase in lipid peroxides was observed among OCU women when compared with NCU and IUD users. A cut-off value of 660 mu M in lipid peroxides allowed the discrimination of OCU from the two other groups. In contrast, no difference was observed in the plasma concentration of both oxidized low-density lipoprotein (LDL) and their related antibodies. The increased level in lipid peroxides was strongly related to higher concentrations of copper (r < 0.84; P < 0.0001, cut-off value 1.2 mg/1). When compared with NCU and IUD users, plasma antioxidant defences were significantly altered in OCU women as shown by lower levels of beta-carotene (decrease of 39%; P < 0.01) andytocopherol (decrease by 22%; P < 0.01). In contrast, higher concentrations of selenium (increased by 11.8%; P < 0.01) were observed in OCU women. Blood concentrations of vitamin C, alpha-tocopherol and zinc were unaffected by OC use. CONCLUSIONS: The intake of OC significantly increases the lipid peroxidation in women aged 40-48 years. This may represent a potential cardiovascular risk factor for these women.
Disciplines :
Reproductive medicine (gynecology, andrology, obstetrics)
Author, co-author :
Pincemail, Joël ;  Centre Hospitalier Universitaire de Liège - CHU > Chirurgie cardio-vasculaire
Vanbelle, Sophie ;  Université de Liège - ULiège > Département des sciences de la santé publique > Informatique médicale et biostatistique
Gaspard, Ulysse ;  Université de Liège - ULiège > Services généraux (Faculté de médecine) > Relations académiques et scientifiques (Médecine)
Collette, Georges ;  Université de Liège - ULiège > Département des sciences cliniques > Médecine générale
Haleng, Jeanine ;  Centre Hospitalier Universitaire de Liège - CHU > Chimie médicale
Cheramy-Bien, J. P.
Charlier, Corinne  ;  Université de Liège - ULiège > Département de pharmacie > Chimie toxicologique
Chapelle, Jean-Paul ;  Université de Liège - ULiège > Département de pharmacie > Chimie médicale
Giet, Didier ;  Université de Liège - ULiège > IFRES
Albert, Adelin  ;  Université de Liège - ULiège > Département des sciences de la santé publique > Informatique médicale et biostatistique
Limet, Raymond ;  Université de Liège - ULiège > Département des sciences cliniques > Chirurgie cardio-vasculaire et thoracique
Defraigne, Jean-Olivier ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biochimie générale
Language :
English
Title :
Effect of different contraceptive methods on the oxidative stress status in women aged 40-48 years from the ELAN study in the province of Liege, Belgium
Publication date :
August 2007
Journal title :
Human Reproduction
ISSN :
0268-1161
eISSN :
1460-2350
Publisher :
Oxford Univ Press, Oxford, United Kingdom
Volume :
22
Issue :
8
Pages :
2335-2343
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 11 February 2009

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