Study of Gene Expression in Normal and HPV-Immortalized Keratinocytes
Author Information
Author(s): Lara Termini, Enrique Boccardo, Gustavo H Esteves, Roberto Hirata Jr, Waleska K Martins, Anna Estela L Colo, E Jordão Neves, Luisa Lina Villa, Luiz F L Reis
Primary Institution: Ludwig Institute for Cancer Research, São Paulo, Brazil
Hypothesis
The study aims to characterize the global transcription profile of normal and HPV-immortalized keratinocytes and their response to TNF treatment.
Conclusion
The study identifies multiple genes that are differentially regulated by TNF in HPV16 and HPV18 immortalized keratinocytes, contributing to the understanding of HPV-induced TNF resistance.
Supporting Evidence
- TNF has a potent cytostatic effect on normal and HPV16 immortalized keratinocytes.
- HPV18-immortalized keratinocytes are resistant to TNF-induced growth arrest.
- Differential expression of genes like KLK7 and SOD2 correlates with TNF sensitivity.
- NF-κB activation levels differ between TNF-sensitive and TNF-resistant cells.
Takeaway
This study looks at how normal skin cells and cells infected with HPV respond differently to a treatment that usually stops cell growth. It finds important genes that help explain these differences.
Methodology
The study used microarray analysis to determine transcriptional changes in keratinocytes after TNF treatment for 3 and 60 hours.
Limitations
The study used a reduced number of samples and differences in cell culture conditions may affect results.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<10-10
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website