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Urinary Pentosidine levels negatively associates with trabecular bone scores in patients with type 2 diabetes mellitus

Choi, YJ  | Ock, SY | Jin, Y | Lee, JS | Kim, SH | Chung, Y
Osteoporosis international, 29(4). : 907-915, 2018
Journal Title
Osteoporosis international
SUMMARY: Pentosidine levels were higher in diabetic patients with vertebral fractures. Trabecular bone scores were negatively associated with pentosidine levels in diabetic patients only. Our results provide further evidence that AGEs are associated with the pathogenesis of bone fragility in patients with T2DM.
INTRODUCTION: Type 2 diabetes mellitus (T2DM) is associated with fracture risk. Pentosidine, an advanced glycation end product (AGE), is associated with prevalent vertebral fractures (VFs) in patients with T2DM. Trabecular bone score (TBS) has been proposed as an index of bone microarchitecture associated with bone quality. This study evaluated the associations of urine pentosidine and TBS in T2DM and non-T2DM groups.
METHODS: A total of 112 T2DM patients and 62 non-T2DM subjects were enrolled. TBS was calculated using TBS insight(R) software (version 2.1). Pentosidine levels were measured using high-performance liquid chromatography method. We compared the BMD, TBS, and pentosidine levels between those with and without VFs with or without adjustment for age and sex. The association with TBS, lumbar spine BMD, and pentosidine levels were also evaluated in both T2DM and non-T2DM groups.
RESULTS: Pentosidine levels were significantly higher in T2DM patients with VFs. TBSs were significantly lower in patients with T2DM and VFs. In non-diabetic patients, there were no significant differences in TBS and pentosidine levels for those with and without VFs after adjustment for age and sex. Pentosidine levels were negatively associated with TBS only in patients with T2DM. In multivariate stepwise regression analysis, pentosidine levels were significantly associated with TBS in patients with T2DM.
CONCLUSIONS: TBS and pentosidine could be used as a method to assess bone quality to identify T2DM patients at risk of VFs. Our results also provide further evidence that AGEs are associated with the pathogenesis of bone fragility in patients with T2DM.


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Journal Papers > School of Medicine / Graduate School of Medicine > Endocrinology & Metabolism
Ajou Authors
정, 윤석  |  최, 용준
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