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Polymorphisms in the macrophage migration inhibitory factor gene and bone loss in postmenopausal women
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2010 (English)In: Bone, ISSN 8756-3282, E-ISSN 1873-2763, Vol. 47, no 2, 424-429 p.Article in journal (Refereed) Published
Abstract [en]

Osteoporosis is a severe condition in postmenopausal women and a common cause of fracture. Osteoporosis is a complex disease with a strong genetic impact, but susceptibility is determined by many genes with modest effects and environmental factors. Only a handful of genes consistently associated with osteoporosis have been identified so far. Inflammation affects bone metabolism by interfering with the interplay between bone resorption and formation, and many inflammatory mediators are involved in natural bone remodeling. The cytokine macrophage migration inhibitory factor (MIF) has been shown to affect bone density in rodents, and polymorphisms in the human MIF promoter are associated with inflammatory disorders such as rheumatoid arthritis. We investigated the association of polymorphisms in the MIF gene with bone mineral density (BMD) and bone loss in 1002 elderly women using MIF promoter polymorphisms MIF-CATT(5-8) and rs755622(G/C) located -794 and -173 bp upstream of the transcriptional start site. Bone loss was estimated both by the change in BMD over 5 years and by the levels of bone resorption markers in serum measured at four occasions during a 5-year period. The MIF-CATT(7)/rs755622(C) haplotype was associated with increased rate of bone loss during 5 years at the femoral neck (p<0.05) and total hip (p<0.05). In addition, the MIF-CATT(7)/rs755622(C) haplotype carriers had higher levels of the bone turnover marker serum C-terminal cross-linking telopeptide of type I collagen (S-CTX-I, p<0.01) during the 5 year follow-up period. There was no association between MIF-CATT(7)/rs755622(C) and baseline BMD at femoral neck, total hip or lumbar spine. We conclude that MIF promoter polymorphisms have modest effects on bone remodeling and are associated with the rate of bone loss in elderly women.

Place, publisher, year, edition, pages
2010. Vol. 47, no 2, 424-429 p.
Keyword [en]
Osteoporosis; Genetics; Inflammation; Bone remodeling; Osteoimmunology
National Category
Endocrinology and Diabetes
URN: urn:nbn:se:umu:diva-40520DOI: 10.1016/j.bone.2010.05.009ISI: 000280449300031PubMedID: 20471506OAI: diva2:400298
Available from: 2011-02-25 Created: 2011-02-25 Last updated: 2012-01-13Bibliographically approved

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Lerner, Ulf H
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Oral Cell Biology
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