cDNA microarrays detect activation of a myogenic transcription program by the PAX3-FKHR fusion oncogene

Javed Khan, Michael L. Bittner, Lao H. Saal, Ulrike Teichmann, David O. Azorsa, Gerald C. Gooden, William J. Pavan, Jeffrey M. Trent, Paul S. Meltzer

Research output: Contribution to journalArticle

Abstract

Alveolar rhabdomyosarcoma is an aggressive pediatric cancer of striated muscle characterized in 60% of cases by a t(2;13)(q35;q14). This results in the fusion of PAX3, a developmental transcription factor required for limb myogenesis, with FKHR, a member of the forkhead family of transcription factors. The resultant PAX3-FKHR gene possesses transforming properties; however, the effects of this chimeric oncogene on gene expression are largely unknown. To investigate the actions of these transcription factors, both Pax3 and PAX3-FKHR were introduced into NIH 3T3 cells, and the resultant gene expression changes were analyzed with a murine cDNA microarray containing 2,225 elements. We found that PAX3-FKHR but not PAX3 activated a myogenic transcription program including the induction of transcription factors MyoD, Myogenin, Six1, and Slug as well as a battery of genes involved in several aspects of muscle function. Notable among this group were the growth factor gene Igf2 and its binding protein Igfbp5. Relevance of this model was suggested by verification that three of these genes (IGFBP5, HSIX1, and Slug) were also expressed in alveolar rhabdomyosarcoma cell lines. This study utilizes cDNA microarrays to elucidate the pattern of gene expression induced by an oncogenic transcription factor and demonstrates the profound myogenic properties of PAX3-FKHR in NIH 3T3 cells.

Original languageEnglish (US)
Pages (from-to)13264-13269
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume96
Issue number23
DOIs
StatePublished - Nov 9 1999
Externally publishedYes

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Oncogene Fusion
Oligonucleotide Array Sequence Analysis
Transcription Factors
Alveolar Rhabdomyosarcoma
NIH 3T3 Cells
Gastropoda
Oncogenes
Gene Expression
Muscle Neoplasms
Myogenin
Genes
Forkhead Transcription Factors
Alveolar Epithelial Cells
Striated Muscle
Muscle Development
Intercellular Signaling Peptides and Proteins
Carrier Proteins
Extremities
Pediatrics
Cell Line

ASJC Scopus subject areas

  • Genetics
  • General

Cite this

cDNA microarrays detect activation of a myogenic transcription program by the PAX3-FKHR fusion oncogene. / Khan, Javed; Bittner, Michael L.; Saal, Lao H.; Teichmann, Ulrike; Azorsa, David O.; Gooden, Gerald C.; Pavan, William J.; Trent, Jeffrey M.; Meltzer, Paul S.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 96, No. 23, 09.11.1999, p. 13264-13269.

Research output: Contribution to journalArticle

Khan, J, Bittner, ML, Saal, LH, Teichmann, U, Azorsa, DO, Gooden, GC, Pavan, WJ, Trent, JM & Meltzer, PS 1999, 'cDNA microarrays detect activation of a myogenic transcription program by the PAX3-FKHR fusion oncogene', Proceedings of the National Academy of Sciences of the United States of America, vol. 96, no. 23, pp. 13264-13269. https://doi.org/10.1073/pnas.96.23.13264
Khan, Javed ; Bittner, Michael L. ; Saal, Lao H. ; Teichmann, Ulrike ; Azorsa, David O. ; Gooden, Gerald C. ; Pavan, William J. ; Trent, Jeffrey M. ; Meltzer, Paul S. / cDNA microarrays detect activation of a myogenic transcription program by the PAX3-FKHR fusion oncogene. In: Proceedings of the National Academy of Sciences of the United States of America. 1999 ; Vol. 96, No. 23. pp. 13264-13269.
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