Nuclear p27 Expression Confers a Favorable Outcome for Nasopharyngeal Carcinoma Patients

Figure 1

p27 protein is expressed in the cytoplasm and nuclei of malignant epithelial cells in NPC samples (original magnification: ×400). (a) and (b) p27 protein expression in cytoplasm of NPC tissues (negative nuclear expression); (c)-(d) p27 protein expression in the nucleus of NPC tissues (positive nuclear expression). (e) Negative control.

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