Prognostic significance of survivin and Caspase-3 immunohistochemical expression in patients with diffuse large B-cell lymphoma treated with rituximab and CHOP

Mitrović, Zdravko and Ilić, Ivana and Aurer, Igor and Bašić-Kinda, Sandra and Radman, Ivo and Dotlić, Snježana and Ajduković, Radmila and Labar, Boris (2011) Prognostic significance of survivin and Caspase-3 immunohistochemical expression in patients with diffuse large B-cell lymphoma treated with rituximab and CHOP. Pathology Oncology Research, 17 (2). pp. 243-247. ISSN 1219-4956

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Abstract

Survivin is an inhibitor of apoptosis whose expression may be associated with inferior outcome in patients with diffuse large B-cell lymphoma (DLBCL) treated without rituximab. Caspase-3 is the final caspase of the apoptotic cascade and its pattern of expression may also be related to patients' outcome. In this study we investigated immunohistochemical expression of survivin and caspase-3 (CPP32) in 57 patients with DLBCL treated with rituximab and CHOP (R-CHOP). According to previously published criteria, we separately analyzed correlation of different types of survivin expression with patients' outcome. Nuclear survivin was expressed in only 26% of cases, cytoplasmic survivin was expressed in 81% of cases while application of immunoreactivity scoring system yielded 58% of survivin positive cases. Caspase-3 was expressed in 77% of cases. There were no significant correlations between any type of survivin expression and response to treatment or survival of the patients. The expression of caspase-3 was also not associated with patients' outcome. We conclude that survivin and caspase-3 have no significant prognostic significance in patients with DLBCL treated with R-CHOP.

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