Distribution of ABO Blood Groups in Iraqi Samples of Leukemia and Lymphomas | ||
| Iraqi Journal of Cancer and Medical Genetics | ||
| Article 1, Volume 5, Issue 1, June 2012, Pages 16-21 | ||
| Authors | ||
| Ekhlass N. Ali; ; Ali H. Ad | ||
| Abstract | ||
| The records of Hematological Diseases Unit at Baghdad Teaching Hospitals and National Center for Research and Treatment of Hematological Diseases (Al-Mustansiryiah University) were inspected for leukemia and lymphoma patients who were diagnosed and treated during the period 2008-2010, and their ABO blood groups were also obtained. The patients were distributed as 281 ALL, 128 CLL, 192 AML, 208 CML, 114 HDL (Hodgkin’s lymphoma) and 197 NHL (non-Hodgkin’s lymphoma). In addition, 595 blood donors were also included and considered as controls. Testing the goodness of fit for ABO blood group allele and phenotype frequencies showed a good agreement with Hardy-Weinberg equilibrium (HWE) in controls and in ALL, CLL and HDL patients. In contrast, a significant corrected deviation was observed in CML (Pc = 0.04) and NHL (Pc = 2.3 x 10-6) patients. A further group of patients (CLL) also showed a significant deviation from HWE, but the difference was significant before correction (P = 0.05; Pc = 0.20). A further analysis of ABO blood group alleles revealed that their estimated numbers and frequencies varied between patients and controls, but a significant difference was recorded in CLL, CML and NHL patients. The allele I*A was significantly decreased in CLL (32.0 vs. 41.5%) and CML (28.8 vs. 41.5%) patients as compared with controls, but a corrected significant level was only observed in CML patients (Pc = 0.003). In NHL patients, the allele I*B was significantly decreased and the difference remain significant after correction (25.9 vs. 34.1; Pc = 0.03). These findings suggest a role of blood group phenotypes and alleles in the etiology of hematological malignancies. | ||
| Keywords | ||
| ABO Blood Groups; Acute lymphoblastic leukemia; Chronic lymphocytic leukemia; Acute myeloid leukemia; Chronic myeloid leukemia; Hodgkin; non | ||
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