Abstract
Objective To compare the different expression patterns of survivin and caspase-3 between the larger part and the smaller part of the dissymmetric enlarged prostates in BPH patients, and to clarify the role of apoptosis in BPH etiology. Methods BPH tissues from 25 patients were embedded in paraffin. The specimens constituted of two prostate parts from each patient. One part was from the larger enlarged gland and the other was from the smaller enlarged counterpart. 50 paraf-fin blocks were cut into sections and stained with survivin and caspase-3 polyclonal antibodies against human. All the data was analyzed by SPSS13.0 software. Results Survivin immunoreactivity was localized in prostatic cell nuclei. Survivin expression in larger enlarged parts (22.08±16. 33)0% was significantly higher than the smaller parts (7. 645±5. 45)%(P 0. 05). Conclusions Survivin and caspase-3 expression patterns are different in the two parts of the dissymmetric enlarged prostates. These different patterns indicate apoptosis playing an important role in BPH development. Key words: Benign prostatic hyperplasia (BPH); Apoptosis; Survivin; Caspase-3
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