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Hypercholesterolemia accelerates bone loss in postmenopausal women.

A Tarakida¹, K Iino, K Abe

¹Department of Obstetrics and Gynecology, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori, Japan.

Climacteric : the Journal of the International Menopause Society

|September 16, 2010

Summary

High cholesterol accelerates postmenopausal bone loss, independent of cytokines. This longitudinal study in Japanese women found hypercholesterolemia significantly increased bone loss over one year.

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Area of Science:

Endocrinology
Bone Metabolism
Lipid Metabolism

Background:

Postmenopausal bone loss is a significant health concern.
The role of lipid profiles and cytokines in bone loss requires further clarification.

Purpose of the Study:

To investigate the longitudinal effect of lipid profiles on postmenopausal bone loss.
To determine the involvement of cytokines in this process.

Main Methods:

A longitudinal study of 99 postmenopausal and 85 premenopausal Japanese women.
Osteo-sono-assessment index (OSI) measured annually over two years.
Analysis of serum lipids and cytokines, including total cholesterol, LDL, HDL, triglycerides, and inflammatory markers.

Main Results:

Postmenopausal women with serum total cholesterol ≥240 mg/dl showed significantly accelerated bone loss (annual OSI change).
Hypercholesterolemia was linked to increased bone loss, independent of baseline cholesterol levels.
No significant association was found between measured cytokines and bone resorption rates.

Conclusions:

Hypercholesterolemia accelerates postmenopausal bone loss.
This effect appears independent of cytokines typically associated with bone resorption.