Immunohistochemical (IHC) staining of permanent and deciduous PDL tissues (A–P).

<p>(<b>A</b>, <b>E</b>) IHC staining for IGF2BP1 in permanent and (<b>I</b>, <b>M</b>) deciduous PDL tissues. (<b>B</b>, <b>F</b>) IHC staining for IL6 in permanent and (<b>J</b>, <b>N</b>) deciduous PDL tissues. (<b>C</b>, <b>G</b>) IHC staining for LRRTM1 in permanent and (<b>K</b>, <b>O</b>) deciduous PDL tissues. (<b>D</b>, <b>H</b>) IHC staining for ADAMTSL3 in permanent PDL tissues and (<b>L</b>, <b>P</b>) deciduous PDL tissues. Abbreviations: pe-PDL, permanent PDL tissues; de-PDL, deciduous PDL tissues. Scale bars: 100 µm in <b>A–D</b> and <b>M–P</b>; 20 µm in <b>E–H</b> and <b>I–L</b>.</p

Main categories of genes expressed specifically in de-PDL and pe-PDL on the basis of their molecular functions.

<p>Numbers of involved genes are listed in the pie charts, F-statistic <i>p</i><0.05.</p

The relative gene expressions in the deciduous and permanent PDL tissues.

<p>SE; standard error.</p

Main categories of genes expressed specifically in deciduous PDL tissues (de-PDL) and permanent PDL tissues (pe-PDL) on the basis of their biological processes.

<p>Numbers of involved genes are listed in <i>x</i>-axis, F-statistic <i>p</i><0.05.</p

Up-regulated genes in deciduous PDL tissue (compared to permanent PDL tissue).

<p>Up-regulated genes in deciduous PDL tissue (compared to permanent PDL tissue).</p

Quantitative RT-PCR primers used in this study.

<p>Quantitative RT-PCR primers used in this study.</p

Up-regulated genes in permanent PDL tissue (compared to deciduous PDL tissue).

<p>Up-regulated genes in permanent PDL tissue (compared to deciduous PDL tissue).</p