Supplementary Figure 3 from The PTEN/Akt Pathway Dictates the Direct α&lt;sub&gt;V&lt;/sub&gt;β&lt;sub&gt;3&lt;/sub&gt;-Dependent Growth-Inhibitory Action of an Active Fragment of Tumstatin in Glioma Cells &lt;i&gt;In vitro&lt;/i&gt; and &lt;i&gt;In vivo&lt;/i&gt;