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Understanding the Mechanisms of Senile Osteoporosis: New Facts for a Major Geriatric Syndrome

Authors

  • Gustavo Duque MD, PhD,

    1. From the *Aging Bone Research Program, Nepean Clinical School, University of Sydney, Penrith, New South Wales, AustraliaGeriatric Research Education and Clinical Center, Research Service, Miami Veterans Affairs Medical Center, Miami, FloridaDivision of Gerontology and Geriatric Medicine, Department of Medicine, Geriatrics Institute, Miller School of Medicine, University of Miami, Miami, Florida.
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  • and , Bruce R. Troen MD

    1. From the *Aging Bone Research Program, Nepean Clinical School, University of Sydney, Penrith, New South Wales, AustraliaGeriatric Research Education and Clinical Center, Research Service, Miami Veterans Affairs Medical Center, Miami, FloridaDivision of Gerontology and Geriatric Medicine, Department of Medicine, Geriatrics Institute, Miller School of Medicine, University of Miami, Miami, Florida.
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Errata

This article is corrected by:

  1. Errata: ERRATUM Volume 56, Issue 7, 1378, Article first published online: July 2008

Address correspondence to Bruce R. Troen, MD, Professor of Medicine, 11 GRC/Miami VAMC, 1201 NW 16th Street, Miami, FL 33125. E-mail: troen@miami.edu

Abstract

Knowledge of the underlying mechanisms of osteoporosis in older adults has significantly advanced in recent years. There is an acute loss of bone mineral density in the peri-menopausal period, followed by a more gradual and progressive decline, which is also seen in men. Markedly increased bone resorption leads to the initial fall in bone mineral density. With increasing age, there is also a significant reduction in bone formation. This is mostly due to a shift from osteoblastogenesis to predominant adipogenesis in the bone marrow. This study reviews new evidence on the pathophysiology of senile osteoporosis, with emphasis upon the mechanism of action of current osteoporosis treatments. New potential treatments are also considered, including therapeutic approaches to osteoporosis in elderly people that focus on the pathophysiology and potential reversal of the adipogenic shift in bone.

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