Fig. 2From: Low Levels of p27 in Association With Deregulated p53-pRb Protein Status Enhance Tumor Proliferation and Chromosomal Instability in Non-Small Cell Lung CarcinomasAdenocarcinoma (case 9) with moderate apoptotic index. Tdt-mediated dUTP nick end labeling assay (TUNEL) (DAB as chromogen, see “Materials and Methods”) and hematoxylin counterstain ×200. Arrow indicates an apoptotic nucleus.Back to article page