Immunophenotypes and Immune Markers Associated with Acute Promyelocytic Leukemia Prognosis

CD2+, CD34+, and CD56+ immunophenotypes are associated with poor prognoses of acute promyelocytic leukemia (APL). The present study aimed to explore the role of APL immunophenotypes and immune markers as prognostic predictors on clinical outcomes. A total of 132 patients with de novo APL were retros...

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Bibliographic Details
Published in:Disease markers 2014-01, Vol.2014 (2014), p.1-6
Main Authors: Xu, Fang, Yin, Chang-Xin, Wang, Chun-Li, Jiang, Xue-Jie, Jiang, Ling, Wang, Zhi-Xiang, Yi, Zheng-Shan, Huang, Kai-Kai, Meng, Fan-Yi
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Antigens, CD - blood
Antigens, CD - immunology
Biological markers
Biomarkers, Tumor - blood
Biomarkers, Tumor - immunology
Female
Histology
HLA-DR Antigens - blood
HLA-DR Antigens - immunology
Humans
Identification and classification
Leukemia, Promyelocytic, Acute - blood
Leukemia, Promyelocytic, Acute - diagnosis
Leukemia, Promyelocytic, Acute - immunology
Lymphocytes
Male
Medical research
Medicine, Experimental
Middle Aged
Phenotype
Prognosis
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Summary:CD2+, CD34+, and CD56+ immunophenotypes are associated with poor prognoses of acute promyelocytic leukemia (APL). The present study aimed to explore the role of APL immunophenotypes and immune markers as prognostic predictors on clinical outcomes. A total of 132 patients with de novo APL were retrospectively analyzed. Immunophenotypes were determined by flow cytometry. Clinical features, complete remission (CR), relapse, and five-year overall survival (OS) rate were assessed and subjected to multivariate analyses. The CD13+CD33+HLA-DR-CD34− immunophenotype was commonly observed in patients with APL. Positive rates for other APL immune markers including cMPO, CD117, CD64, and CD9 were 68.7%, 26%, 78.4%, and 96.6%, respectively. When compared with patients with CD2− APL, patients with CD2+ APL had a significantly higher incidence of early death (50% versus 15.7%; P=0.016), lower CR rate (50% versus 91.1%; P=0.042), and lower five-year OS rate (41.7% versus 74.2%; P=0.018). White blood cell (WBC) count before treatment was found to be the only independent risk factor of early death, CR failure, and five-year mortality rate. Flow cytometric immunophenotype analysis can facilitate prompt APL diagnosis. Multivariate analysis has demonstrated that WBC count before treatment is the only known independent risk factor that predicts prognosis for APL in this study population.
ISSN:0278-0240
1875-8630
DOI:10.1155/2014/421906