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Molecular Cancer
Published in: Molecular Cancer 1/2007

Open Access 01-12-2007 | Research

Gene expression profiling of cancer stem cell in human lung adenocarcinoma A549 cells

Authors: Dong-Cheol Seo, Ji-Min Sung, Hee-Jung Cho, Hee Yi, Kun-Ho Seo, In-Soo Choi, Dong-Ku Kim, Jin-Suk Kim, Abd El-Aty AM, Ho-Chul Shin

Published in: Molecular Cancer | Issue 1/2007

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Abstract

Background

The studies on cancer-stem-cells (CSCs) have attracted so much attention in recent years as possible therapeutic implications. This study was carried out to investigate the gene expression profile of CSCs in human lung adenocarcinoma A549 cells.

Results

We isolated CSCs from A549 cell line of which side population (SP) phenotype revealed several stem cell properties. After staining the cell line with Hoechst 33342 dye, the SP and non-side population (non-SP) cells were sorted using flow cytometric analysis. The mRNA expression profiles were measured using an Affymetrix GeneChip® oligonucleotide array. Among the sixty one differentially expressed genes, the twelve genes inclusive three poor prognostic genes; Aldo-keto reductase family 1, member C1/C2 (AKR1C1/C2), Transmembrane 4 L six family member 1 nuclear receptor (TM4SF1), and Nuclear receptor subfamily 0, group B, member 1 (NR0B1) were significantly up-regulated in SP compared to non-SP cells.

Conclusion

This is the first report indicating the differences of gene expression pattern between SP and non-SP cells in A549 cells. We suggest that the up-regulations of the genes AKR1C1/C2, TM4SF1 and NR0B1 in SP of human adenocarcinoma A549 cells could be a target of poor prognosis in anti-cancer therapy.
Appendix
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Metadata
Title
Gene expression profiling of cancer stem cell in human lung adenocarcinoma A549 cells
Authors
Dong-Cheol Seo
Ji-Min Sung
Hee-Jung Cho
Hee Yi
Kun-Ho Seo
In-Soo Choi
Dong-Ku Kim
Jin-Suk Kim
Abd El-Aty AM
Ho-Chul Shin
Publication date
01-12-2007
Publisher
BioMed Central
Published in
Molecular Cancer / Issue 1/2007
Electronic ISSN: 1476-4598
DOI
https://doi.org/10.1186/1476-4598-6-75

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