HER/PTEN/Akt Pathway in Penile Squamous Cell Carcinomas
Author Information
Author(s): Stankiewicz Elzbieta, Prowse David M., Ng Mansum, Cuzick Jack, Mesher David, Hiscock Frances, Lu Yong-Jie, Watkin Nicholas, Corbishley Catherine, Lam Wayne, Berney Daniel M.
Primary Institution: Queen Mary University of London
Hypothesis
HPV negative tumours may show different activations of the HER/PTEN/Akt pathway than HPV positive tumours.
Conclusion
The study suggests that penile cancer patients could benefit from therapies targeting HER receptors, particularly in HPV-negative cases.
Supporting Evidence
- pEGFR expression was detected significantly less frequently in HPV-positive than HPV-negative tumours.
- HER3 expression was significantly more common in HPV-positive cases.
- HER4 and PTEN protein expression were not related to HPV.
- All three proteins positively correlated with tumour grade.
Takeaway
This study looked at how certain proteins are involved in penile cancer and found that different types of cancer might need different treatments.
Methodology
148 PSCCs were analyzed using immunohistochemistry and fluorescent in situ hybridization to assess protein expression and gene status.
Potential Biases
Potential bias due to retrospective study design and reliance on archival samples.
Limitations
The study used archival material and lacked written consent for some samples.
Participant Demographics
The study included archival samples of penile squamous cell carcinomas, primarily from male patients.
Statistical Information
P-Value
p=0.0143 for pEGFR expression comparison
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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