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HOXA9 gene expression in acute myeloid leukemia
De-Peng Li1, Zhen-Yu Li, Wei Sang
1Department of Hematology, The Affiliated Hospital of Xuzhou Medical College, No.99 West Huaihai Road, Xuzhou, 221002, China.
Cell Biochemistry and Biophysics
|April 12, 2013
Summary
Homeobox gene A9 (HOXA9) expression was detected in a significant portion of acute myeloid leukemia (AML) patients. HOXA9 gene expression is associated with a poorer prognosis and lower remission rates in AML.
Area of Science:
- Molecular Biology
- Genetics
- Hematology
Background:
- Homeobox genes are crucial transcription factors in vertebrate development.
- The HOXA9 gene, located on chromosome 7, plays a role in gene regulation, morphogenesis, and differentiation.
Purpose of the Study:
- To investigate the expression of the HOXA9 gene in acute myeloid leukemia (AML).
- To determine if HOXA9 expression correlates with treatment outcomes in AML patients.
Main Methods:
- Semi-quantitative reverse transcriptase-polymerase chain reaction (RT-PCR) was employed.
- HOXA9 mRNA levels were measured in a human erythroleukemia (HEL) cell line, bone marrow samples from 54 AML patients, and 20 healthy individuals.
Main Results:
- HOXA9 mRNA expression was absent in healthy individuals.
- Positive HOXA9 expression was observed in the HEL cell line and in 40.74% of AML patients.
- AML patients with HOXA9 expression had a significantly lower complete remission rate (45.45%) compared to those without expression (71.86%).
Conclusions:
- The HOXA9 gene is potentially implicated in the pathogenesis of acute myeloid leukemia.
- HOXA9 expression may serve as a negative prognostic biomarker for AML patients.
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