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Current Diabetes Reviews


ISSN (Print): 1573-3998
ISSN (Online): 1875-6417

Bone Disease in Diabetes

Author(s): M Luisa Isidro and Belen Ruano

Volume 6, Issue 3, 2010

Page: [144 - 155] Pages: 12

DOI: 10.2174/157339910791162970

Price: $65


The relationship between diabetes and bone disease is complex. While low bone mineral density (BMD) is consistently observed in type 1 diabetes (T1DM), in type 2 diabetes (T2DM) bone mineral density is similar to or higher than in non diabetic subjects. Yet, for both types of diabetes bone appears to be more fragile for a given density. Recent meta-analyses and cohort studies confirm that T1DM and T2DM are associated with higher fracture risk. Many factors influence the probability of fractures.

Diabetes can affect bone through multiple pathways including obesity, changes in insulin levels, higher concentrations of advanced glycation end products in collagen, increased urinary excretion coupled with lower intestinal absorption of calcium, inappropriate homeostatic response of parathyroid hormone secretion, complex alterations of vitamin D regulation, reduced renal function, lower insulin-like growth factor-I, microangiopathy, and inflammation. Data on cellular mechanisms and experimental models are extensive, but the relevance of each one of these factors to the clinical situation is unclear.

In this article we review the pathophysiological mechanisms potentially involved in the altered BMD found in diabetic patients, show data on the increased risk of fractures, and speculate on the potential causes of the increased risk of fractures in this context. Finally, we comment on the prevention and treatment of osteoporosis in diabetes, although the lack of trials testing the use of pharmacotherapy on preventing fractures in this context is emphasized.

Keywords: Diabetes, Bone mineral density, Fracture, Osteoporosis, Osteopenia

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