Adenosine Transporter ENT4 Is a Direct Target of EWS/WT1 Translocation Product and Is Highly Expressed in Desmoplastic Small Round Cell Tumor
2008

ENT4 as a Target of EWS/WT1 in Desmoplastic Small Round Cell Tumor

Sample size: 4 publication 10 minutes Evidence: moderate

Author Information

Author(s): Li Hongjie, Smolen Gromoslaw A., Beers Lisa F., Xia Li, Gerald William, Wang Joanne, Haber Daniel A., Lee Sean Bong

Primary Institution: National Institute of Diabetes & Digestive & Kidney Diseases, National Institutes of Health

Hypothesis

Is ENT4 a direct target of the EWS/WT1 translocation product in desmoplastic small round cell tumor?

Conclusion

ENT4 is highly expressed in desmoplastic small round cell tumors and is activated by both isoforms of EWS/WT1, suggesting it may be a potential therapeutic target.

Supporting Evidence

  • ENT4 is transcriptionally activated by both isoforms of EWS/WT1.
  • ENT4 is highly expressed in primary tumors of desmoplastic small round cell tumors.
  • Treatment with adenosine analogs increased cytotoxic response in DSRCT cells.

Takeaway

This study found that a gene called ENT4 is very active in a type of cancer called desmoplastic small round cell tumor, which could help doctors find new ways to treat it.

Methodology

The study used promoter-reporter assays, chromatin immunoprecipitation, and quantitative RT-PCR to analyze ENT4 expression and regulation.

Limitations

The study primarily focused on a limited number of tumor samples and cell lines.

Participant Demographics

The study involved tumor samples from patients with desmoplastic small round cell tumors.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0002353

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