Physical Activity, Hormone Replacement Therapy and Plasma   Lipoprotein-Lipid Levels in Postmenopausal Women

J. M. Hagberg; S. D. McCole; R. E. Ferrell; J. M. Zmuda; K. S. Rodgers; K. R. Wilund; G. E. Moore

doi:10.1055/s-2003-37198

International Journal of Sports Medicine, Inhaltsverzeichnis

Int J Sports Med 2003; 24(1): 22-29
DOI: 10.1055/s-2003-37198

Physiology & Biochemistry

Physical Activity, Hormone Replacement Therapy and Plasma Lipoprotein-Lipid Levels in Postmenopausal Women

J. M. Hagberg^1, ² , S. D. McCole^1, ⁴ , R. E. Ferrell³ , J. M. Zmuda¹ , K. S. Rodgers² , K. R. Wilund² , G. E. Moore¹

¹Division of Cardiology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
²Department of Kinesiology, University of Maryland, College Park, MD, USA
³Department of Human Genetics, University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA, USA
⁴Department of Human Kinetics, University of Wisconsin-Milwaukee, Milwaukee, Wl, USA

Abstract

We assessed the cross-sectional associations between hormone replacement therapy (HRT), habitual physical activity levels and plasma lipoprotein-lipid levels in postmenopausal women. Sedentary (n = 19), active nonathlete (n = 20) and endurance-trained (n = 21) postmenopausal women, with half of each group on and half not on HRT, underwent assessments of plasma lipids, V˙O₂max, body composition, diet and common genetic variants. The groups' physical characteristics were generally similar though body weight was higher in the active nonathletes, and body fat was lower and V˙O₂max higher in the athletes. HRT was associated with beneficial total cholesterol, LDL-C and HDL-C levels in sedentary and active nonathlete women. Plasma lipoprotein-lipid profiles were similar in women athletes on and not on HRT, with their profiles being only slightly better than sedentary and physically-active women on HRT. After controlling for HRT status, V˙O₂max was correlated with total cholesterol (r = -0.51, p = 0.0001), LDL-C (r = -0.52, p = 0.0001), HDL-C (r = 0.25, p = 0.055), HDL₂-C (r = 0.24, p = 0.08) and TG levels (r = -0.46, p = 0.0001). After controlling for HRT status, % body fat was correlated with total cholesterol (r = 0.43, p = 0.001), LDL-C (r = 0.38, p = 0.003), HDL-C (r = -0.29, p = 0.025), HDL₂-C (r = -0,26, p = 0.07) and TG levels (r = 0.40, p = 0.002). Dietary fat intake was similar among the groups. APO E genotype was only associated with plasma lipid profiles in athletes, as those with at least one APO E2 allele tended to have better lipid profiles than those with only APO E3 or E4 alleles. Thus, HRT, exercise training and body composition are associated with plasma lipid levels in postmenopausal women; common polymorphic variations at key lipid metabolism-related gene loci also may interact with exercise training to affect their plasma lipid profiles.

Key words

Cardiovascular disease risk - body composition - genetic markers - V˙O₂max

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References

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J. Hagberg, PhD

Department of Kinesiology · University of Maryland

College Park, MD 20742-2611 · USA ·

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