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Immunophenotypic Subtyping of Leukemic Cells from Iranian Patients with Acute Lymphoblastic Leukaemia: Association to Disease Outcome | ||
Iranian Journal of Immunology | ||
مقاله 2، دوره 4، شماره 1، خرداد 2007، صفحه 15-25 اصل مقاله (230.69 K) | ||
نوع مقاله: Original Article | ||
نویسندگان | ||
Hossein Asgarian Omran1؛ Mahdi Shabani1؛ Tahereh Shahrestani1؛ Abdolfattah Sarafnejad1؛ Jalal Khoshnoodi1؛ Parvaneh Vossough2؛ Mohammad Faranoush2؛ Ramzan A. Sharifian3؛ Mahmood Jeddi-Tehrani4، 5؛ Hodjatallah Rabbani4، 6؛ Fazel Shokri* 1، 5، 7 | ||
1Dept. of Immunology, Medical Sciences / University of Tehran | ||
2Clinic of Hematology, Iran University of Medical Sciences | ||
3Clinic of Hematology and Oncology, Medical Sciences / University of Tehran | ||
4Cancer Center Karolinska, Karolinska Inst, Stockholm, Sweden | ||
5Monoclonal Antibody Research Center, Avesina Research Inst, Tehran | ||
6Dept. of Immunology, Reproductive Biotechnology Research Center, Avesina Research Inst | ||
7National Cell Bank of Iran, Pasteur Inst of Iran, Tehran, Iran | ||
چکیده | ||
Background: Immunophenotypic characterization of the leukemic cells has been widely used as a tool for diagnosis, classification, stratification and prognosis of leukaemia. Objective: To investigate the immunophenotypic subtype profiles of Iranian patients with acute lymphoblastic leukemia (ALL) and its association to disease outcome. Methods: In this study, a total of 60 Iranian patients with ALL were immunophenotyped by flow cytometry using a panel of monoclonal antibodies specific for CD2, CD3, CD5, CD10, CD13, CD14, CD19, CD20, CD33, CD34, CD45, HLA-DR and TdT molecules. Results: The samples were initially categorized into T-ALL (n=9), B-ALL (n=50) and mixed lineage (n=1) based on the expression patterns of CD3 and CD19 molecules. B-ALL patients could further be classified into four subtypes, including Pro-B (n=7, 11.7%), Pre-B I (n=28, 46.7%), Pre-B II (n=13, 21.7%) and immature/mature B cells (n=2, 3.3%) on the basis of expression of CD10, CD19, CD20, HLA-DR and TdT. Clinical manifestations and laboratory findings of the patients did not reveal association with immunophenotypic sub-types of ALL, with the exception of mediastinal mass and WBC count at the time of diag-nosis which were found to be significantly higher in patients with T-ALL compared with B-ALL (p=0.001 and 0.014), respectively. Conclusion: Our results indicate that overall the immunophenotypic profile of Iranian ALL patients is similar to previous reports and it might be used for monitoring of minimal residual disease and prognosis. | ||
کلیدواژهها | ||
Immunophenotyping؛ ALL؛ Pro-B؛ Pre-B؛ Flow cytometry | ||
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