Abstract:
:The correlation between the expression levels of p65 and TNF-α in patients with acute myelocytic leukemia (AML) and AML cell lines were investigated. The bone marrow samples of 30 AML patients and 10 non-leukemia controls were studied. The mRNA expression levels of p65 and TNF-α were detected by reverse transcription-quantitative polymerase chain reaction (RT-qPCR), and Pearson's Correlation test was used to demonstrate the correlation between TNF-α and p65 expression levels in AML specimens. Receiver operating characteristic (ROC) curves were plotted to determine whether TNF-α and p65 expression levels could be used to differentiate AML samples from non-leukemia samples. MG132 and anti-TNF-α antibody were used to inhibit the expression of p65 and TNF-α in the AML cell line, HL-60. The expression of p65 and TNF-α were detected by RT-qPCR and western blot analysis. The mRNA expression levels of p65 and TNF-α were significantly increased in AML patients compared with non-leukemia control bone marrow samples by RT-qPCR, and the two molecules expression pattern's exhibited sufficient predictive power to distinguish AML patients from non-leukemia control samples. Pearson's correlation analysis demonstrated that TNF-α expression was strongly correlated with p65 expression in AML bone marrow samples. In HL-60 cells, inhibition of TNF-α reduced the expression of p65; in addition, inhibition of p65 reduced the expression of TNF-α as assessed by RT-qPCR and western blot analysis. p65 and TNF-α were highly expressed in AML patients, and these 2 molecules were strongly correlated. The present study indicates that p65 and TNF-α have potential as molecular markers to distinguish AML patients from non-leukemia control samples, and that these 2 molecules may be useful prognostic factor for patients with AML.
journal_name
Oncol Lettjournal_title
Oncology lettersauthors
Dong QM,Ling C,Zhu JF,Chen X,Tang Y,Zhao LIdoi
10.3892/ol.2015.3720subject
Has Abstractpub_date
2015-11-01 00:00:00pages
3305-3309issue
5eissn
1792-1074issn
1792-1082pii
OL-0-0-3720journal_volume
10pub_type
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