Circulating osteoprotegerin levels are associated with age, waist-to-hip ratio, serum total cholesterol, and low-density lipoprotein cholesterol levels in healthy Korean women

Eun Sook Oh, Eun Jung Rhee, Ki Won Oh, Won Young Lee, Ki Hyun Baek, Kun Ho Yoon, Moo Il Kang, Eun Joo Yun, Cheol Young Park, Moon Gi Choi, Hyung Joon Yoo, Sung Woo Park

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

Osteoprotegerin (OPG) is a recently identified cytokine that acts as a decoy receptor for the receptor activator of nuclear factor κB ligand. Osteoprotegerin has been shown to be an important inhibitor of osteoclastogenesis and arterial calcification in animal models. Recently, OPG has been proposed as a link molecule between osteoporosis and arterial calcification, but the relationship between circulating OPG levels and cardiovascular disease in human populations is unclear. Thus, the aim of this study was to investigate the relationship between circulating OPG levels and cardiovascular risk factors in healthy Korean women. The subjects were 286 women aged 37 to 73 (mean ± SD, 51.5 ± 6.9 years). We examined blood pressure, body mass index, and waist-to-hip ratio. Serum concentrations of OPG were determined by enzyme-linked immunosorbent assay. Fasting plasma glucose levels, serum lipid profiles, insulin levels, and serum follicle-stimulating hormone (FSH) levels were determined by standard methods and homeostasis model assessment of insulin resistance was calculated. We observed a significant association between serum OPG levels and age, waist-to-hip ratio, total cholesterol, low-density lipoprotein cholesterol, and FSH levels (P <. 05). Among the metabolic components, the older, obese, and hypercholsterolemic subjects had higher serum OPG levels (P <. 05). However, no significant relationship was found between serum OPG levels and blood pressure and fasting plasma glucose levels. We found that mean serum OPG levels were about 11% greater in postmenopausal women (mean ± SD, 1358.5 ± 380.0 pg/mL) than in premenopausal women (mean ± SD, 1228.8 ± 407.7 pg/mL, P <. 001). In multiple regression analysis with OPG as the dependent variable, serum FSH and low-density lipoprotein cholesterol levels were the significant predictor for serum OPG level (R2 = 0.051, P <. 05). In conclusion, our results show that circulating OPG levels are partly associated with cardiovascular risk factors and menopausal status in healthy Korean women. Out findings suggest that OPG may be an important paracrine factor of cardiovascular disease in the female population.

Original languageEnglish
Pages (from-to)49-54
Number of pages6
JournalMetabolism: Clinical and Experimental
Volume54
Issue number1
DOIs
StatePublished - Jan 2005

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