Abstract
ABSTRACT Background and Aim: Acute lymphoblastic leukemia is the most common cancer in children and juveniles and is also seen in adults with lower frequency. Autophagy is a programmed catabolic process of the cell for destruction of damaged organs and proteins which is carried out by lysozymes. Disruption of autophagy leads to abnormalities in cellular processes associated with cancer. Materials and Methods: In this study, we compared the expression of Beclin 1 and Atg 10 genes between 50 patients with B-ALL and 18 healthy subjects as our control group, by using RNA extraction and cDNA synthesis, and RT-PCR method. Data were analyzed by statistical tests. Results: The majority of B-ALL patients showed a significant reduction in the Beclin1 and Atg 10 genes compared to control group (P <0.05) and the mean expression of the genes (2 -∆Ct ± SD) were 0.10 ± 0.49 and 1.01 ± 0.27 for ALL patients and control group and 0.15±0.44 and 1.07±0.85 for Atg10 and Beclin1 respectively. There was no significant correlation between expression levels of Beclin1and Atg10 in these patients (r =-0.013, P =0.926). Conclusion: Considering the reduced expression levels in the essential genes of autophagy in ALL patients in our study and also other studies in this field, disruption of autophagy may be involved in leukomogensis
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