4.6 Article

Detection of viral gene expression in risk-stratified biopsies reveals no active HPV in cutaneous squamous cell carcinoma

期刊

EXPERIMENTAL DERMATOLOGY
卷 30, 期 11, 页码 1711-1716

出版社

WILEY
DOI: 10.1111/exd.14385

关键词

SCC; HPV; high‐ risk SCC; immunosuppression

资金

  1. Skin Cancer Foundation Paul Silverberg Memorial Award
  2. NIH [K08-AR066545, T32AR071307]
  3. National Institute of Arthritis and Musculoskeletal And Skin Diseases

向作者/读者索取更多资源

RNA sequencing showed no HPV transcriptional activity in high-risk cuSCC samples, despite 64% of samples testing positive for HPV DNA, indicating that HPV transcription does not play a significant role in differentiating high-risk cuSCCs from low-risk cuSCCs or normal skin.
Background Human papillomavirus (HPV) infection is known to promote the development of mucosal squamous cell carcinoma (mSCC), including pathologically high-grade lesions, but its role in cutaneous squamous cell carcinoma (cuSCC) remains unclear, particularly in lesions that are considered high risk. Objective We aimed to determine whether enhanced HPV transcriptional activity can be detected in high-risk cuSCC samples compared with low-grade SCC samples or normal skin. Methods We performed RNA sequencing of cuSCC across 23 risk-stratified skin lesions. A subset of samples was tested for the presence of HPV DNA. High-quality, non-human reads from each sample group were used for viral analysis using Microbiome Coverage Profiler. Results None of the samples analysed had detectable expression of HPV RNA, while 64% of samples tested positive for HPV DNA. All samples were found to have expression of human endogenous retrovirus, and multiple samples showed expression of other viruses. Conclusions Viral and prophage gene expression can be monitored in cuSCC or normal skin biopsies, yet no sample in our study showed evidence of active HPV gene expression despite evidence of HPV genome presence. This suggests HPV transcription does not play a role in differentiating high-risk cuSCCs from low-risk cuSCCs or normal skin.

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