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Updated: Jun 8, 2026

RNAscope for In situ Detection of Transcriptionally Active Human Papillomavirus in Head and Neck Squamous Cell Carcinoma
Published on: March 11, 2014
HPV-58 molecular variants exhibit different transcriptional activity
Tainá Raiol1, Regina Maria Santos de Amorim, Pedro Galante
1Department of Cellular Biology, Institute of Biology, University of Brasilia, ICC Sul, Brasília, Brazil.
Abstract:
Early promoter activity of HPV-58 molecular variants isolated from high-grade cervical lesions in Brazil was compared. Luciferase reporter assays were conducted in C33 cells transfected with the complete long control region of 3 molecular variants of HPV-58 as well as HPV-58, -18 or -16 prototypes. The HPV-58 prototype and Bsb-329 and Bsb-367 variants showed a promoter activity similar to that of HPV-16, but lower than that of Bsb-295 and HPV-18. The introduction of the Bsb-295 7788 mutation into the HPV-58 prototype resulted in the enhancement of transcription closer to Bsb-295 and HPV-18. These results could impact the expression of E6 and E7 viral oncogenes.
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