Monitoring the gene expression profiles of doxorubicin-resistant acute myelocytic leukemia cells by DNA microarray analysis

Ju Han Song, Cheol Hee Choi, Hye Jung Yeom, Seung Yong Hwang, Tae Sung Kim

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Acquired drug-resistance phenotype is a key factor in the relapse of patients suffering hematological malignancies. In order to investigate the genes involved in drug resistance, a human leukemia cell line that is resistant to doxorubicin, an anthracycline anticancer agent (AML-2/DX100), was selected and its gene expression profile was analyzed using a cDNA microarray. A number of genes were differentially expressed in the AML-2/DX100 cells, compared with the wild type (AML-2/WT). Pro-apoptotic genes such as TNFSF7 and p21 (Cip1/Waf1) were significantly down-regulated, whereas the IKBKB, PCNA, stathmin 1, MCM5, MMP-2 and MRP1 genes, which are involved in anti-apoptotic or cell cycle progression, were over-expressed. The AML-2/DX100 cells were also resistant to other anticancer drugs, including daunorubicin and camptothecin, and the expression levels of the differentially regulated genes such as STMN1, MMP-2 and CTSG, were constantly maintained. This suggests that the deregulated genes obtained from the DNA microarray analysis in a cell line model of drug resistance might contribute to the acquired drug resistance after chronic exposure.

Original languageEnglish
Pages (from-to)193-202
Number of pages10
JournalLife Sciences
Volume79
Issue number2
DOIs
Publication statusPublished - 2006 Jun 6

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Tissue Array Analysis
Microarrays
Oligonucleotide Array Sequence Analysis
Transcriptome
Acute Myeloid Leukemia
Gene expression
Doxorubicin
Genes
Drug Resistance
Monitoring
DNA
Pharmaceutical Preparations
Cells
Matrix Metalloproteinases
I-kappa B Kinase
Stathmin
Cell Line
Camptothecin
Daunorubicin
Anthracyclines

Keywords

  • DNA microarray
  • Doxorubicin
  • Leukemia
  • Resistance

ASJC Scopus subject areas

  • Pharmacology

Cite this

Monitoring the gene expression profiles of doxorubicin-resistant acute myelocytic leukemia cells by DNA microarray analysis. / Song, Ju Han; Choi, Cheol Hee; Yeom, Hye Jung; Hwang, Seung Yong; Kim, Tae Sung.

In: Life Sciences, Vol. 79, No. 2, 06.06.2006, p. 193-202.

Research output: Contribution to journalArticle

Song, Ju Han ; Choi, Cheol Hee ; Yeom, Hye Jung ; Hwang, Seung Yong ; Kim, Tae Sung. / Monitoring the gene expression profiles of doxorubicin-resistant acute myelocytic leukemia cells by DNA microarray analysis. In: Life Sciences. 2006 ; Vol. 79, No. 2. pp. 193-202.
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