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Bone Remodeling in Post-menopausal Osteoporosis.
Umeå University, Faculty of Medicine, Odontology, Oral Cell Biology.
2006 (English)In: Journal of Dental Research, ISSN 0022-0345, Vol. 85, no 7, 584-595 p.Article in journal (Refereed) Published
Abstract [en]

Bone mass in the skeleton is dependent on the coordinated activities of bone-forming osteoblasts and bone-resorbing osteoclasts in discrete bone multi-cellular units. Remodeling of bone in these units is important not only for maintaining bone mass, but also to repair microdamage, to prevent accumulation of too much old bone, and for mineral homeostasis. The activities of osteoblasts and osteoclasts are controlled by a variety of hormones and cytokines, as well as by mechanical loading. Most importantly, sex hormones are very crucial for keeping bone mass in balance, and the lack of either estrogen or testosterone leads to decreased bone mass and increased risk for osteoporosis. The prevalence of osteoporotic fractures is increasing dramatically in the Western part of the world and is a major health problem in many countries. In the present review, the cellular and molecular mechanisms controlling bone remodeling and the influence of sex hormones on these processes are summarized. In a separate paper in this issue, the pathogenesis of post-menopausal osteoporosis will be compared with that of inflammation-induced bone remodeling, including the evidence for and against the hypothesis that concomitant post-menopausal osteoporotic disease influences the progression of periodontal disease.

Place, publisher, year, edition, pages
2006. Vol. 85, no 7, 584-595 p.
Identifiers
URN: urn:nbn:se:umu:diva-16047DOI: 10.1177/154405910608500703PubMedID: 16798857OAI: oai:DiVA.org:umu-16047DiVA: diva2:155720
Available from: 2007-11-27 Created: 2007-11-27 Last updated: 2009-09-29Bibliographically approved

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Lerner, Ulf

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