factors predicting bone mineral density (BMD) changes in young women over a One-Year study: Changes in body weight and bone metabolic markers during the menstrual cycle and their effects on BMD

Tadayuki Iida, Chiho Chikamur, Hiroaki Ishikawa, Satomi Aoirf, Hiromi Ikeda, Toshihide Haradae, Kazuhiro Katada, Fumiko Ishizaki, Hiroshi Yatsuya, Yuichiro Ono

研究成果: Article

4 引用 (Scopus)

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Currently, 26% of Japanese women in their twenties are under weight, and therefore at risk of developing various metabolic abnormalities due to an inadequate nutrient intake, which in turn affects the acquisition of a peak bone mineral density (BMD). In this study, we aimed to clarify the effects of menstrual cycle-related changes in body weight and bone metabolic marker levels on the BMD changes. The subjects were 42 women (19.6 ± 0.8 years). The levels of osteocalcin (OC), BAP, s-NTx, u-DPD, and E2 in the menstrual and ovulatory phases were measured. The associations between dependent variables (BMD changes/year in the lumbar spine, femur, femoral neck) and explanatory variables (body weight changes/year, the levels of OC, BAP, s-NTx, u-DPD) were evaluated using multiple regression analysis. Analysis of the correlations between the changes in bone metabolic markers and changes in BMD showed a correlation between the OC level in the menstrual phase and changes in the BMD of the entire femur, suggesting that a high OC level protects against BMD reduction, probably by promoting osteoblast activity, and that bone formation activity suppresses the decrease in BMD. These results suggest that, to predict BMD changes from bone metabolic markers in young women, it is necessary to measure OC levels in the menstrual phase.

元の言語English
ページ(範囲)307-315
ページ数9
ジャーナルActa Medica Okayama
66
発行部数4
出版物ステータスPublished - 25-10-2012

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)

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