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Iranian Journal of Blood and Cancer، جلد ۷، شماره ۱، صفحات ۱۱-۱۷
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عنوان انگلیسی Dysregulation of the WNT Signaling Pathway Through Methylation of Wnt Inhibitory Factor 1 and Dickkopf-1 Genes among AML Patients at the Time of Diagnosis
چکیده انگلیسی مقاله Background: In acute myeloblastic leukemia, a large number of tumor suppressor genes are silenced through DNA methylation such as CDKN2B & p73. Wnt inhibitory factor 1 (WIF1) and Dickkopf-3 (DKK-1) are negative regulators of Wnt signaling pathway. In the present study, we evaluated the methylation status of WIF1 and DKK-1 genes in acute myeloblastic leukemia patients. Patients and Methods: Blood samples were taken from 120 AML patients and 25 healthy control subjects. DNA was isolated, treated with sodium bisulphite, and examined using methylation-specific polymerase chain reaction (MSP) with primers specific for methylated and unmethylated sequences of the WIF1 and DKK-1 genes. Results: The frequency of aberrant hypermethylation of WIF1 and DKK-1 genes in acute myeloblastic leukemia patients were determined to be 35% (42/120) and 28.3% (34/120), respectively. In addition, for all subjects in control group, methylation of WIF1 and DKK-1 genes were negative. Patients with M0 subtype of FAB-AML had the highest incidence of hypermethylation of WIF1 (P = 0.003) and DKK-1 (P = 0.005) genes. Conclusion: The present study showed that, like many solid tumors, WIF1 and DKK-1 genes methylation also occurs in acute myeloblastic leukemia. The study of other antagonists of Wnt signaling pathways are recommended. Key words: AML, Wnt inhibitory factor 1, dickkopf, DNA methylation.
کلیدواژه‌های انگلیسی مقاله AML, Wnt inhibitory factor 1, dickkopf, DNA methylation.
نویسندگان مقاله قاسمی a | ghasemi a
school of allied medical sciences, tehran university of medical sciences, tehran, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

قوطاسلو a | ghotaslou a
school of allied medical sciences, tehran university of medical sciences, tehran, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

محمدی m | mohammadi m
school of allied medical sciences, tehran university of medical sciences, tehran, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

غفاری k | ghaffari k
school of allied medical sciences, tehran university of medical sciences, tehran, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

عباسیان s | abbasian s
school of allied medical sciences, tehran university of medical sciences, tehran, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

نشانی اینترنتی http://www.ijbc.ir/browse.php?a_code=A-10-9-16&slc_lang=en&sid=en
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