Abstract
Objective To evaluate the expression of bcl-2, p53, Ki-67 in malignant lymphoma (ML)and the relationship between the expression of bcl-2, Ki-67, p53 and prognosis for the patients who were given autologous hematopoietic stem cell transplantation (AHSCT). Methods The expression of bcl-2,Ki-67, p53 were measured by immunohistochemistry (IHC) on paraffin-embedded slices in 33 cases of ML who received AHSCT. Survival analysis was done by the Kaplan-Meier method and Log-Rank test.Multivariate analysis was carried out using COX proportional hazard model. Results For patients with ML who received AHSCT, the 3-year disease free survival (DFS) of bcl-2(+) group was 35.71%, while that bcl-2(-) group was 88.89 %. There was significant difference of DFS between the two groups. Meanwhile, for these patients, the 3-year DFS of Ki-67(+) and Ki-67(-) were 43.75 % and 85.71%, respectively (P ＜0.05).Multivariate analysis showed that the expression of bcl-2 and Ki-67 were the independent prognostic factors.Conclusion The expression of bcl-2 and Ki-67 were closely related with relapse after AHSCT in patients with ML. They were useful molecular makers for predicting the prognosis of patients with ML after AHSCT. Key words: Lymphoma; Hematopoietic stem cell transplantation; Prognosis; Immunohistochemistry
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