MDR1 gene polymorphisms and acute myeloid leukemia AML susceptibility in A Moroccan adult population: A case-control study and meta-analysis - 13/07/19
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Abstract |
Introduction |
The multidrug resistance 1 (MDR1) gene plays an important function in carcinogens detoxification and drugs metabolism. Many authors reported that MDR1 gene influences individual susceptibility to cancers. We carried out the present case-control study to investigate the impact of MDR1 gene in the predisposition to acute myeloid leukemia (AML) in a sample of Moroccan population. In addition, we performed a meta-analysis study to discuss our results and to better highlight the influence of MDR1 gene on the susceptibility of AML.
Methods |
The study included 187 AML patients and 206 controls. Genomic DNA was extracted from white blood cell by salting method. Polymorphisms of G2677 T and C3435 T were genotyped by Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP), using Mbo I and Ban I restriction enzymes. Statistical analysis was performed using the software SPSS (version 19.0; SPPS Inc., Chicago, IL, USA) and MedCalcv.11.6.1.0 software.
Results |
No statistically significant differences in genotype and allelic distribution were found in G2677 T and C3435 T polymorphisms between AML cases and controls in the Moroccan population. On the other hand, we found that the age of onset of AML in patients with homozygous mutant genotype was statistically lower than in patients with either the heterozygous or wild type genotype for both polymorphisms (P = 0.006; P = 0.03). Meta-analysis showed a significant association of C3435 T, G2677 T polymorphisms on the susceptibility of AML when considering the recessive and the allelic models.
Conclusion |
Our findings showed that the G2677 T and C3435 T polymorphisms of the MDR1 gene were associated with the age at onset of AML in our population. In addition, the meta-analysis showed that these polymorphisms could play a role in susceptibility to AML.
El texto completo de este artículo está disponible en PDF.Keywords : Acute myeloid leukemia, Susceptibility, MDR1, Polymorphisms, Meta-analysis
Esquema
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