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Aberrant Expression of HOXA5 and HOXA9 in AML
1Department of Medical Oncology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
Asian Pacific Journal of Cancer Prevention : APJCP
|May 20, 2015
Summary
High expression of HOXA5 and HOXA9 genes in acute myeloid leukemia (AML) patients is linked to lower remission rates. These HOX genes may serve as important prognostic biomarkers in AML.
Area of Science:
- Hematology
- Molecular Biology
- Oncology
Background:
- Aberrant HOX gene expression is a hallmark of various cancers.
- HOXA5 and HOXA9 alterations are implicated in hematological malignancies.
Purpose of the Study:
- To investigate HOXA5 and HOXA9 gene expression in acute myeloid leukemia (AML).
- To determine the clinical significance and prognostic value of HOXA5 and HOXA9 in AML patients.
Main Methods:
- Real-time quantitative PCR (RQ-PCR) was used to examine HOXA5 and HOXA9 expression.
- Bone marrow samples from 75 newly diagnosed AML patients and 22 healthy controls were analyzed.
- Statistical analyses, including Spearmann correlation, were performed.
Main Results:
- Higher expression of HOXA5 and HOXA9 was associated with significantly lower complete remission rates (52.6%) compared to low expression (88.9%).
- HOXA5 and HOXA9 expression levels showed a strong positive correlation (r=0.657, P<0.001).
- A significant correlation was observed between HOXA9 expression and patient age (P=0.009).
Conclusions:
- Increased expression of HOXA5 and HOXA9 suggests a negative prognostic impact in AML.
- HOXA5 and HOXA9 may serve as potential biomarkers for predicting treatment outcomes in AML.
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