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Med Oncol. 2014 Jan;31(1):770. doi: 10.1007/s12032-013-0770-x. Epub 2013 Nov 19.

Intact expression status of RASSF1A in acute myeloid leukemia.

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Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran.


As a typical tumor suppressor gene, transcriptional silencing of ras-association domain family 1, isoform A (RASSF1A) is caused by biallelic methylation or the condition that one allele is methylated and then the other allele lost by allelic loss, as second hit. RASSF1A is inactivated epigenetically and thus down-regulated in many solid tumors. In summary, for the first time, we analyzed the expression status of RASSF1A in a cohort of 56 de novo acute myeloid leukemia (AML) patients using quantitative real-time polymerase chain reaction. Results of our study indicate that patients with AML exhibited no differences in the RASSF1A gene expression comparing to normal controls. In conclusion, expression status of RASSF1A remained intact in our target samples, indicating that RASSF1A expression variation does not participate in the pathogenesis and the progression of AML.

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