Diabetes Mellitus Impact on Biomarker Correlations in Osteoarthritis
Study on correlations between biomarkers and collagen crosslinks in osteoarthritis patients with and without diabetes mellitus, revealing complexities in the disease process.
Diabetes Mellitus Impact on Biomarker Correlations in Osteoarthritis
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Figure 4. Correlations between biomarkers and collagen crosslinks that differed between diabetes mellitus (DM) and non-DM groups. (a) Bone alkaline phosphatase (BAP) levels in serum were positively correlated to cartilage hydroxylysylpyridinoline (HP) in non-DM group, but negative in DM group. (b) Osteocalcin (OCN) levels in synovial fluid were not correlated to cartilage pentosidine in non-DM group, but were negatively correlated to cartilage pentosidine in DM group. (c) OCN levels in synovial fluid were not correlated to bone pentosidine in non-DM group, but were negatively correlated to bone pentosidine in DM group. Black filled circles represent DM group, and light gray filled circles represent non- DM group. Regression lines are indicated with dashed black line for DM group and solid gray line for non-DM group. Oren TW, Botolin S, Williams A, Bucknell A, King KB. Arthroplasty in veterans: Analysis of cartilage, bone, serum, and synovial fluid reveals differences and similarities in osteoarthritis with and without comorbid diabetes. J Rehabil Res Dev. 2011;48(10):1195–1210.DOI:10.1682/JRRD.2010.09.0186