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