Evidence that instability within the FRA3B region extends four megabases

Nicole A. Becker, Erik C. Thorland, Stacy R. Denison, Leslie A. Phillips, David I. Smith

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

FRA3B is the most frequently expressed common fragile site localized within human chromosomal band 3p14.2, which is frequently deleted in many different cancers, including cervical cancer. Previous reports indicate aphidicolin-induced FRA3B instability occurs over ∼500 kb which is spanned by the 1.5 Mb fragile histidine triad (FHIT) gene. Recently an HPV16 cervical tumor integration, 2 Mb centromeric to the published FRA3B region, has been identified. FISH-based analysis with a BAC spanning the integration has demonstrated this integration occurs within the FRA3B region of instability. These data suggest that the unstable FRA3B region is much larger than previously reported. FISH-based analysis of aphidicolin-induced metaphase chromosomes allowed for a complete characterization of instability associated with FRA3B. This analysis indicates that fragility extends for 4 Mb. Within this region are a total of five genes, including FHIT. FRA3B gene expression analysis on a panel of cervical tumor-derived cell lines revealed that three of the five genes within FRA3B were aberrantly regulated. A similar analysis of genes outside of FRA3B indicated that the surrounding genes were not aberrantly expressed. These data provide additional support that regions of instability associated with CFSs and the genes contained within them, may play an important role in cancer development.

Original languageEnglish (US)
Pages (from-to)8713-8722
Number of pages10
JournalOncogene
Volume21
Issue number57
DOIs
StatePublished - Dec 12 2002

Fingerprint

Aphidicolin
Genes
Histidine
Neoplasms
Metaphase
Tumor Cell Line
Uterine Cervical Neoplasms
Chromosomes
Gene Expression

Keywords

  • Cervical cancer
  • Common fragile sites
  • FRA3B
  • Human papillomavirus
  • Viral integration

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research
  • Genetics

Cite this

Becker, N. A., Thorland, E. C., Denison, S. R., Phillips, L. A., & Smith, D. I. (2002). Evidence that instability within the FRA3B region extends four megabases. Oncogene, 21(57), 8713-8722. https://doi.org/10.1038/sj.onc.1205950

Evidence that instability within the FRA3B region extends four megabases. / Becker, Nicole A.; Thorland, Erik C.; Denison, Stacy R.; Phillips, Leslie A.; Smith, David I.

In: Oncogene, Vol. 21, No. 57, 12.12.2002, p. 8713-8722.

Research output: Contribution to journalArticle

Becker, NA, Thorland, EC, Denison, SR, Phillips, LA & Smith, DI 2002, 'Evidence that instability within the FRA3B region extends four megabases', Oncogene, vol. 21, no. 57, pp. 8713-8722. https://doi.org/10.1038/sj.onc.1205950
Becker NA, Thorland EC, Denison SR, Phillips LA, Smith DI. Evidence that instability within the FRA3B region extends four megabases. Oncogene. 2002 Dec 12;21(57):8713-8722. https://doi.org/10.1038/sj.onc.1205950
Becker, Nicole A. ; Thorland, Erik C. ; Denison, Stacy R. ; Phillips, Leslie A. ; Smith, David I. / Evidence that instability within the FRA3B region extends four megabases. In: Oncogene. 2002 ; Vol. 21, No. 57. pp. 8713-8722.
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