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. Author manuscript; available in PMC: 2009 Sep 9.
Published in final edited form as: Mol Ther. 2007 Oct 9;16(1):163–169. doi: 10.1038/sj.mt.6300323

Figure 4. Immunohistochemical analysis of the tumor samples.

Figure 4

(a) Immunohistochemical staining on tumor sections: epidermal growth factor receptor (upper), prostate apoptotic response 4 (middle), and apoptosis inducing factor (AIF) (bottom). Magnification = ×200. (b) Quantitative analysis of nuclear translocation of AIF in the tumors treated with different formulations. **indicates P < 0.01, *indicates P < 0.05. NP, nanoparticle; PBS, phosphate-buffered saline; siRNA, small interfering RNA.