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. 2013 Apr 22;2013:101805. doi: 10.1155/2013/101805

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Copyright © 2013 Jing Luo et al.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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The levels of OPG after treatment with 1,25(OH)₂D₃, MTX, and 1,25(OH)₂D₃ plus MTX in RA patients. The RA patients' PBMCs are treated with either anti-CD3/CD28, or 1,25(OH)₂D₃ and MTX at various concentrations, or the combination of 1,25(OH)₂D₃ and MTX (D2M2 group). There was no difference in OPG expression between the groups of 1,25(OH)₂D₃, MTX, and D2M2 and the group of anti-CD3/CD28 (P > 0.05).