Additional file 1.

Topographic analysis of the expression of transcriptional factors. The table shows the summary of immunohistochemical localization of Sox9, Runx2, Msx2, Osterix, Dlx5, and AP-1 in all 31 cases. The tabulated data represent the distribution of immunopositive areas in the ossification front, based on semiquantitative analysis conducted according to the method described by Kokubo et al. [22] and Song et al. [35].

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Uchida et al. Arthritis Research & Therapy 2011 13:R144   doi:10.1186/ar3458