DT-diaphorase activity in NSCLC and SCLC cell lines: a role for fos/jun regulation
1999
Role of fos/jun in lung cancer cell lines
publication
Author Information
Author(s): Kepa J K, Ross D
Primary Institution: University of Colorado Health Sciences Center
Hypothesis
The study investigates the differential expression of NAD(P)H:quinone reductase (NQO1) in non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC) cell lines.
Conclusion
The study found that AP-1 activity may play a role in the differential expression of hNQO1 in NSCLC compared to SCLC.
Supporting Evidence
- The largest hNQO1 construct exhibited robust levels of reporter activity in NSCLC cell lines.
- Expression in NSCLC was over 12 to 77-fold higher than the minimal promoter construct.
- There was little difference in promoter activity in SCLC cell lines.
- Robust promoter activity in NSCLC lines was mediated by a segment of the proximal promoter containing an AP-1 binding site.
Takeaway
The researchers looked at how a specific gene behaves in different types of lung cancer cells and found that one part of the gene is more active in some cancer cells than in others.
Methodology
Transient transfection assays were conducted using a deletion panel of hNQO1 promoter constructs in NSCLC and SCLC cell lines.
Digital Object Identifier (DOI)
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